package budget

import (
	"encoding/json"
	"errors"
	"math"
	"reflect"
	"strings"
	"time"
	"zhiyuan/models/budget"
	"zhiyuan/models/final"
	"zhiyuan/pkg/db"
	"zhiyuan/pkg/logger"
	"zhiyuan/services/admin"

	"github.com/Knetic/govaluate"
)

func argParse(args []interface{}, parse func(interface{})) {
	for _, arg := range args {
		if array, ok := arg.([]interface{}); ok {
			argParse(array, parse)
		} else {
			parse(arg)
		}
	}
}

func (context *Context) Functions() map[string]govaluate.ExpressionFunction {
	return map[string]govaluate.ExpressionFunction{
		"JsonEncode":         context.funcJsonEncode,
		"JsonDecode":         context.funcJsonDecode,
		"use":                context.funcUse,
		"sum":                context.funcSum,
		"len":                context.funcLen,
		"name":               context.funcName,
		"show":               context.funcShow,
		"id":                 context.funcId,
		"index":              context.funcIndex,
		"SubIndex":           context.funcSubIndex,
		"count":              context.funcCount,
		"instances":          context.funcInstances,
		"round":              context.funcRound,
		"ceil":               context.funcCeil,
		"current":            context.funcCurrent,
		"quote":              context.funcQuote,
		"parent":             context.funcParent,
		"filter":             context.funcFilter,
		"sub":                context.funcSub,
		"row":                context.funcRow,
		"group":              context.funcGroup,
		"module":             context.funcModule,
		"table":              context.funcTable,
		"eval":               context.funcEval,
		"IsNull":             context.funcIsNull,
		"StringIndex":        context.funcStringIndex,
		"Index":              context.funcCompoundIndex,
		"Array":              context.funcArray,
		"InArray":            context.funcInArray,
		"ArrayFilter":        context.funcArrayFilter,
		"ArrayDedup":         context.funcArrayDedup,
		"ArrayIndex":         context.funcCompoundIndex,
		"ArrayMap":           context.funcArrayMap,
		"ArraySplice":        context.funcArraySplice,
		"ArrayMerge":         context.funcArrayMerge,
		"Map":                context.funcMap,
		"MapKeys":            context.funcMapKeys,
		"MapValues":          context.funcMapValues,
		"MapIndex":           context.funcCompoundIndex,
		"MapMap":             context.funcCompoundMap,
		"MapMerge":           context.funcMapMerge,
		"SetProp":            context.funcSetProp,
		"Control":            context.funcControl,
		"Input":              context.funcControlInput,
		"Number":             context.funcControlNumber,
		"Checkbox":           context.funcControlCheckbox,
		"Select":             context.funcControlSelect,
		"Text":               context.funcControlText,
		"SelectMat":          context.funcControlSelectMat,
		"SelectItem":         context.funcControlSelectItem,
		"Button":             context.funcControlButton,
		"Group":              context.funcControlGroup,
		"Popover":            context.funcControlPopover,
		"GetMatTypeForName":  context.funcGetMatTypeForName,
		"MatName":            context.funcMatName,
		"MatType":            context.funcMatType,
		"MatPrice":           context.funcMatPrice,
		"MatControlPrice":    context.funcMatControlPrice,
		"MatSalesPrice":      context.funcMatSalesPrice,
		"MatPurchasePrice":   context.funcMatPurchasePrice,
		"MatSupplier":        context.funcMatSupplier,
		"GetMatTopType":      context.funcGetMatTopType,
		"MatTypeName":        context.funcMatTypeName,
		"MatTypeUnit":        context.funcMatTypeUnit,
		"DataType":           context.funcDataType,
		"debug":              context.funcDebug,
		"CheckAuth":          context.funcCheckAuth,
		"customer":           context.funcCustomer,
		"phone":              context.funcPhone,
		"address":            context.funcAddress,
		"admin":              context.funcAdmin,
		"GetItemTypeForName": context.funcGetItemTypeForName,
		"ItemTypeName":       context.funcItemTypeName,
		"GetItemForType":     context.funcGetItemForType,
		"GetSupplierForName": context.funcGetSupplierForName,
		"SupplierName":       context.funcSupplierName,
		"now":                context.funcNow,
	}
}

func (context *Context) funcJsonEncode(args ...interface{}) (interface{}, error) {
	if len(args) < 1 {
		return nil, errors.New("not enough arguments in call to call")
	}
	str, err := json.Marshal(args[0])
	if err != nil {
		return nil, err
	}
	return string(str), nil
}

func (context *Context) funcJsonDecode(args ...interface{}) (interface{}, error) {
	if len(args) < 1 {
		return nil, errors.New("not enough arguments in call to call")
	}
	var dest interface{}

	decoder := json.NewDecoder(strings.NewReader(string(db.ToString(args[0]))))
	decoder.UseNumber()
	err := decoder.Decode(&dest)

	return dest, err
}

func (context *Context) funcUse(args ...interface{}) (interface{}, error) {
	return "", nil
}

func (context *Context) funcSum(args ...interface{}) (interface{}, error) {
	var result float64
	argParse(args, func(arg interface{}) {
		ret, _ := db.ToFloat64(arg)
		result += ret
	})
	/*for _, arg := range args {
		ret, _ := db.ToFloat64(arg)
		result += ret
	}*/

	return result, nil
}

func (context *Context) funcLen(args ...interface{}) (interface{}, error) {
	return float64(len(args)), nil
}

func (context *Context) funcName(args ...interface{}) (interface{}, error) {
	names := make([]interface{}, 0)
	for _, arg := range args {
		if instance, ok := arg.(*InstanceData); ok {
			nameResult, err := context.LoadNameResult(instance)
			if err != nil {
				return nil, err
			}
			if nameResult == nil {
				names = append(names, nil)
			} else {
				names = append(names, filterValue(nameResult.Result))
			}
		} else {
			names = append(names, nil)
		}
	}
	if len(names) == 0 {
		nameResult, err := context.LoadNameResult(context.Current)
		if err != nil {
			return nil, err
		}
		if nameResult == nil {
			return nil, nil
		}
		return filterValue(nameResult.Result), nil
	}
	if len(names) == 1 {
		return names[0], nil
	}

	return names, nil
}

func (context *Context) funcShow(args ...interface{}) (interface{}, error) {
	shows := make([]interface{}, 0)
	for _, arg := range args {
		if instance, ok := arg.(*InstanceData); ok {
			context.LoadShowResult(instance)
			shows = append(shows, instance.GetShowResultBool())
		} else {
			shows = append(shows, nil)
		}
	}
	if len(shows) == 0 {
		context.LoadShowResult(context.Current)
		shows = append(shows, context.Current.GetShowResultBool())
	}
	if len(shows) == 1 {
		return shows[0], nil
	}

	return shows, nil
}

func (context *Context) funcId(args ...interface{}) (interface{}, error) {
	ids := make([]interface{}, 0)
	for _, arg := range args {
		if instance, ok := arg.(*InstanceData); ok {
			ids = append(ids, filterValue(instance.GetID()))
		} else {
			ids = append(ids, nil)
		}
	}
	if len(ids) == 0 {
		return filterValue(context.Current.GetID()), nil
	}
	if len(ids) == 1 {
		return ids[0], nil
	}

	return ids, nil
}

func (context *Context) funcIndex(args ...interface{}) (interface{}, error) {
	indexs := make([]interface{}, 0)
	for _, arg := range args {
		if instance, ok := arg.(*InstanceData); ok {
			indexs = append(indexs, filterValue(instance.Index))
		} else {
			indexs = append(indexs, 0)
		}
	}
	if len(indexs) == 0 {
		return filterValue(context.Current.Index), nil
	}
	if len(indexs) == 1 {
		return indexs[0], nil
	}

	return indexs, nil
}

func getSubIndex(instance *InstanceData) int {
	parent := instance.Parent
	if parent == nil {
		return 0
	}
	for n, i := range parent.GetSub() {
		if i.GetID() == instance.GetID() && i.Index == instance.Index {
			return n
		}
	}
	return 0
}

func (context *Context) funcSubIndex(args ...interface{}) (interface{}, error) {
	indexs := make([]interface{}, 0)
	for _, arg := range args {
		if instance, ok := arg.(*InstanceData); ok {
			indexs = append(indexs, filterValue(getSubIndex(instance)))
		} else {
			indexs = append(indexs, 0)
		}
	}
	if len(indexs) == 0 {
		return filterValue(getSubIndex(context.Current)), nil
	}
	if len(indexs) == 1 {
		return indexs[0], nil
	}

	return indexs, nil
}

func (context *Context) funcCount(args ...interface{}) (interface{}, error) {

	counts := make([]interface{}, 0)
	for _, arg := range args {
		if instance, ok := arg.(*InstanceData); ok {
			if instance.Object == nil {
				counts = append(counts, 1)
			} else {
				counts = append(counts, filterValue(len(instance.Object.Instances)))
			}
		} else {
			counts = append(counts, 0)
		}
	}
	if len(counts) == 0 {
		if context.Current.Object == nil {
			return filterValue(1), nil
		} else {
			return filterValue(len(context.Current.Object.Instances)), nil
		}
	}
	if len(counts) == 1 {
		return counts[0], nil
	}

	return counts, nil
}

func (context *Context) funcInstances(args ...interface{}) (interface{}, error) {
	names := make([]string, 0)
	instances := make([]*InstanceData, 0)
	argParse(args, func(arg interface{}) {
		if instance, ok := arg.(*InstanceData); ok {
			instances = append(instances, instance)
		} else {
			names = append(names, db.ToString(arg))
		}
	})
	/*for _, arg := range args {
		if ss, ok := arg.([]interface{}); ok {
			for _, s := range ss {
				if instance, ok := s.(Instance); ok {
					instances = append(instances, instance)
				} else if instance, ok := s.(*Instance); ok {
					instances = append(instances, *instance)
				} else {
					names = append(names, db.ToString(s))
				}
			}
		} else if instance, ok := arg.(Instance); ok {
			instances = append(instances, instance)
		} else if instance, ok := arg.(*Instance); ok {
			instances = append(instances, *instance)
		} else {
			names = append(names, db.ToString(arg))
		}
	}*/
	if len(instances) == 0 {
		instances = append(instances, context.Current)
	}

	resultss := make([]interface{}, 0)
	for _, instance := range instances {
		results := make([]interface{}, 0)
		if instance.Object == nil {
			if len(names) == 0 {
				results = append(results, instance)
			} else {
				for _, name := range names {
					if instance.NameResult != nil && db.ToString(instance.NameResult.Result) == name {
						results = append(results, instance)
					}
				}
			}
		} else {
			for i, _ := range instance.Object.Instances {
				if len(names) == 0 {
					err := context.LoadInstance(&instance.Object.Instances[i])
					if err != nil {
						return nil, err
					}
					results = append(results, &instance.Object.Instances[i])
				} else {
					_, err := context.LoadNameResult(&instance.Object.Instances[i])
					if err != nil {
						return nil, err
					}
					for _, name := range names {
						if instance.Object.Instances[i].NameResult != nil && db.ToString(instance.Object.Instances[i].NameResult.Result) == name {
							err = context.LoadInstance(&instance.Object.Instances[i])
							if err != nil {
								return nil, err
							}
							results = append(results, &instance.Object.Instances[i])
						}
					}
				}
			}
		}
		if len(results) == 0 {
			resultss = append(resultss, nil)
		} else if len(results) == 1 {
			resultss = append(resultss, results[0])
		} else {
			resultss = append(resultss, results)
		}
	}

	if len(resultss) == 0 {
		return nil, nil
	}
	if len(resultss) == 1 {
		return resultss[0], nil
	}

	return resultss, nil
}

func (context *Context) funcRound(args ...interface{}) (interface{}, error) {

	if len(args) < 1 {
		return nil, errors.New("not enough arguments in call to call")
	}

	p, _ := db.ToInt64(args[0])
	precision := math.Pow10(int(p))

	numbers := make([]interface{}, 0)
	for _, arg := range args[1:] {
		number, _ := db.ToFloat64(arg)
		numbers = append(numbers, filterValue(float64(math.Round(number*precision)/precision)))
	}
	if len(numbers) == 0 {
		return nil, nil
	}
	if len(numbers) == 1 {
		return numbers[0], nil
	}

	return numbers, nil
}

func (context *Context) funcCeil(args ...interface{}) (interface{}, error) {

	if len(args) < 1 {
		return nil, errors.New("not enough arguments in call to call")
	}

	p, _ := db.ToInt64(args[0])
	precision := math.Pow10(int(p))
	precision2 := math.Pow10(int(p + 2))

	numbers := make([]interface{}, 0)
	for _, arg := range args[1:] {
		number, _ := db.ToFloat64(arg)
		numbers = append(numbers, filterValue(float64(math.Ceil(math.Round(number*precision2)/100)/precision)))
	}
	if len(numbers) == 0 {
		return nil, nil
	}
	if len(numbers) == 1 {
		return numbers[0], nil
	}

	return numbers, nil
}

func (context *Context) funcCurrent(args ...interface{}) (interface{}, error) {
	return context.Current, nil
}

func (context *Context) funcQuote(args ...interface{}) (interface{}, error) {
	return context.Order.Form, nil
}

func (context *Context) funcParent(args ...interface{}) (interface{}, error) {
	parents := make([]interface{}, 0)
	for _, arg := range args {
		if instance, ok := arg.(*InstanceData); ok {
			parents = append(parents, instance.Parent)
		} else {
			parents = append(parents, nil)
		}
	}
	if len(parents) == 0 {
		return context.Current.Parent, nil
	}
	if len(parents) == 1 {
		return parents[0], nil
	}

	return parents, nil
}

func (context *Context) funcFilter(args ...interface{}) (interface{}, error) {
	expressions := make([]string, 0)
	instances := make([]*InstanceData, 0)
	argParse(args, func(arg interface{}) {
		if instance, ok := arg.(*InstanceData); ok {
			instances = append(instances, instance)
		} else {
			expressions = append(expressions, db.ToString(arg))
		}
	})
	/*for _, arg := range args {
		if ss, ok := arg.([]interface{}); ok {
			for _, s := range ss {
				if instance, ok := s.(Instance); ok {
					instances = append(instances, instance)
				} else if instance, ok := s.(*Instance); ok {
					instances = append(instances, *instance)
				} else {
					expressions = append(expressions, db.ToString(s))
				}
			}
		} else if instance, ok := arg.(Instance); ok {
			instances = append(instances, instance)
		} else if instance, ok := arg.(*Instance); ok {
			instances = append(instances, *instance)
		} else {
			expressions = append(expressions, db.ToString(arg))
		}
	}*/

	results := make([]interface{}, 0)
	for _, instance := range instances {
		ok := true
		for _, expression := range expressions {
			result, err := context.ParseValueinInstance(expression, instance)
			if err != nil {
				ok = false
			} else {
				ok = db.ToBool(result)
			}
			if !ok {
				break
			}
		}
		if ok {
			results = append(results, instance)
		}
	}

	if len(results) == 0 {
		return nil, nil
	}
	if len(results) == 1 {
		return results[0], nil
	}

	return results, nil
}

func (context *Context) findInstance(names []string, instance *InstanceData, typ int) ([]interface{}, error) {
	instances := make([]interface{}, 0)
	//logger.Sugar.Infof("instance.GetID(): %v %v", instance.GetID(), instance.Type())

	if typ == Base || instance.Type == typ {
		if len(names) == 0 {
			err := context.LoadInstance(instance)
			if err != nil {
				return nil, err
			}
			instances = append(instances, instance)
		} else {
			_, err := context.LoadNameResult(instance)
			if err != nil {
				return nil, err
			}
			for _, name := range names {
				nameResult := instance.NameResult
				if nameResult != nil && db.ToString(nameResult.Result) == name {
					err = context.LoadInstance(instance)
					if err != nil {
						return nil, err
					}
					instances = append(instances, instance)
					break
				}
			}
		}
	} else {
		err := context.LoadInstance(instance)
		if err != nil {
			return nil, err
		}
		for _, sub := range instance.GetSub() {
			ss, err := context.findInstance(names, sub, typ)
			if err != nil {
				return nil, err
			}
			instances = append(instances, ss...)
		}
	}
	return instances, nil
}

func (context *Context) findInstances(typ int, dinstance *InstanceData, args ...interface{}) (interface{}, error) {
	names := make([]string, 0)
	instances := make([]*InstanceData, 0)
	argParse(args, func(arg interface{}) {
		if arg != nil {
			if instance, ok := arg.(*InstanceData); ok {
				instances = append(instances, instance)
			} else {
				names = append(names, db.ToString(arg))
			}
		}
	})
	/*for _, arg := range args {
		if ss, ok := arg.([]interface{}); ok {
			for _, s := range ss {
				if instance, ok := s.(Instance); ok {
					instances = append(instances, instance)
				} else if instance, ok := s.(*Instance); ok {
					instances = append(instances, *instance)
				} else {
					names = append(names, db.ToString(s))
				}
			}
		} else if instance, ok := arg.(Instance); ok {
			instances = append(instances, instance)
		} else if instance, ok := arg.(*Instance); ok {
			instances = append(instances, *instance)
		} else {
			names = append(names, db.ToString(arg))
		}
	}*/

	if len(instances) == 0 {
		instances = append(instances, dinstance)
	}
	//logger.Sugar.Infof("instances: %v %v %v", instances, typ, names)

	subss := make([]interface{}, 0)
	for _, instance := range instances {
		var subs []interface{}
		if typ == Base {
			subs = make([]interface{}, 0)
			err := context.LoadInstance(instance)
			if err != nil {
				return nil, err
			}
			for _, sub := range instance.GetSub() {
				ss, err := context.findInstance(names, sub, typ)
				if err != nil {
					return nil, err
				}
				subs = append(subs, ss...)
			}
		} else {
			ss, err := context.findInstance(names, instance, typ)
			if err != nil {
				return nil, err
			}
			subs = ss
		}
		/*if len(subs) == 0 {
			subss = append(subss, nil)
		} else if len(subs) == 1 {
			subss = append(subss, subs[0])
		} else {
			subss = append(subss, subs)
		}*/
		subss = append(subss, subs...)
	}

	//logger.Sugar.Infof("instancesend: %v", instances)
	if len(subss) == 0 {
		return nil, nil
	}
	if len(subss) == 1 {
		return subss[0], nil
	}

	return subss, nil
}

func (context *Context) funcSub(args ...interface{}) (interface{}, error) {
	return context.findInstances(Base, context.Current, args...)
}

func (context *Context) funcRow(args ...interface{}) (interface{}, error) {
	return context.findInstances(Row, context.Order.Form, args...)
}

func (context *Context) funcGroup(args ...interface{}) (interface{}, error) {
	return context.findInstances(Group, context.Order.Form, args...)
}

func (context *Context) funcModule(args ...interface{}) (interface{}, error) {
	return context.findInstances(Module, context.Order.Form, args...)
}

func (context *Context) funcTable(args ...interface{}) (interface{}, error) {
	return context.findInstances(Table, context.Order.Form, args...)
}

func (context *Context) funcEval(args ...interface{}) (interface{}, error) {
	expressions := make([]string, 0)
	instances := make([]*InstanceData, 0)
	var globalProp map[string]interface{}
	argParse(args, func(arg interface{}) {
		if mp, ok := arg.(map[string]interface{}); ok {
			globalProp = mp
		} else if instance, ok := arg.(*InstanceData); ok {
			instances = append(instances, instance)
		} else {
			expressions = append(expressions, db.ToString(arg))
		}
	})
	/*for _, arg := range args {
		if ss, ok := arg.([]interface{}); ok {
			for _, s := range ss {
				if instance, ok := s.(Instance); ok {
					instances = append(instances, instance)
				} else if instance, ok := s.(*Instance); ok {
					instances = append(instances, *instance)
				} else {
					expressions = append(expressions, db.ToString(s))
				}
			}
		} else if mp, ok := arg.(map[string]interface{}); ok {
			globalProp = mp
		} else if instance, ok := arg.(Instance); ok {
			instances = append(instances, instance)
		} else if instance, ok := arg.(*Instance); ok {
			instances = append(instances, *instance)
		} else {
			expressions = append(expressions, db.ToString(arg))
		}
	}*/

	if len(instances) == 0 {
		instances = append(instances, context.Current)
	}

	resultss := make([]interface{}, 0)
	for _, instance := range instances {
		results := make([]interface{}, 0)
		for _, expression := range expressions {
			if globalProp == nil {
				result, err := context.ParseValueinInstance(expression, instance)
				if err != nil {
					results = append(results, nil)
				} else {
					results = append(results, filterValue(result))
				}
			} else {
				result, err := context.ParseValueInInstanceAndGlobalProp(expression, instance, globalProp)
				if err != nil {
					results = append(results, nil)
				} else {
					results = append(results, filterValue(result))
				}
			}
		}
		if len(results) == 0 {
			resultss = append(resultss, nil)
		} else if len(results) == 1 {
			resultss = append(resultss, results[0])
		} else {
			resultss = append(resultss, results)
		}
	}

	if len(resultss) == 0 {
		return nil, nil
	}
	if len(resultss) == 1 {
		return resultss[0], nil
	}

	return resultss, nil
}

func (context *Context) funcIsNull(args ...interface{}) (interface{}, error) {
	iss := make([]interface{}, 0)
	for _, arg := range args {
		iss = append(iss, arg == nil)
	}
	if len(iss) == 0 {
		return true, nil
	}
	if len(iss) == 1 {
		return iss[0], nil
	}

	return iss, nil
}

func (context *Context) funcArray(args ...interface{}) (interface{}, error) {
	if len(args) == 0 {
		return []interface{}{}, nil
	}
	return []interface{}{args}, nil
}

func (context *Context) funcInArray(args ...interface{}) (interface{}, error) {
	if len(args) < 2 {
		return nil, errors.New("not enough arguments in call to call")
	}

	index := db.ToString(args[0])

	if array, ok := args[1].([]interface{}); ok {
		for _, item := range array {
			if index == db.ToString(item) {
				return true, nil
			}
		}
	} else {
		return index == db.ToString(args[1]), nil
	}

	return false, nil
}

func (context *Context) funcStringIndex(args ...interface{}) (interface{}, error) {
	if len(args) < 2 {
		return nil, errors.New("not enough arguments in call to call")
	}

	s := db.ToString(args[0])
	sub := db.ToString(args[1])

	return filterValue(strings.Index(s, sub)), nil
}

func (context *Context) funcCompoundIndex(args ...interface{}) (interface{}, error) {
	if len(args) < 1 {
		return nil, errors.New("not enough arguments in call to call")
	}

	indexs := args[:len(args)-1]
	object := args[len(args)-1]
	values := make([]interface{}, 0)

	if array, ok := object.([]interface{}); ok {
		for _, index := range indexs {
			key, _ := db.ToInt64(index)
			if key < int64(len(array)) {
				values = append(values, filterValue(array[key]))
			} else {
				values = append(values, nil)
			}
		}
	}

	if mp, ok := object.(map[string]interface{}); ok {
		for _, index := range indexs {
			key := db.ToString(index)
			values = append(values, filterValue(mp[key]))
		}
	}

	if str, ok := object.(string); ok {
		for _, index := range indexs {
			key, _ := db.ToInt64(index)
			if key < int64(len(str)) {
				values = append(values, filterValue(string(str[key])))
			} else {
				values = append(values, nil)
			}
		}
	}

	if len(values) == 0 {
		return object, nil
	}
	if len(values) == 1 {
		return values[0], nil
	}

	return values, nil

	/*
		indexs := make([]interface{}, 0)
		objects := make([]interface{}, 0)
		for _, arg := range args {
			if array, ok := arg.([]interface{}); ok {
				objects = append(objects, array)
			} else if mp, ok := arg.(map[string]interface{}); ok {
				objects = append(objects, mp)
			} else {
				indexs = append(indexs, arg)
			}
		}

		resultss := make([]interface{}, 0)
		for _, object := range objects {
			results := make([]interface{}, 0)
			if array, ok := object.([]interface{}); ok {
				for _, index := range indexs {
					key, _ := db.ToInt64(index)
					if key < int64(len(array)) {
						results = append(values, array[key])
					} else {
						results = append(values, nil)
					}
				}
			} else if mp, ok := object.(map[string]interface{}); ok {
				for _, index := range indexs {
					key := db.ToString(index)
					results = append(values, mp[key])
				}
			}
			if len(results) == 0 {
				resultss = append(resultss, nil)
			} else if len(results) == 1 {
				resultss = append(resultss, results[0])
			} else {
				resultss = append(resultss, results)
			}
		}

		if len(resultss) == 0 {
			return nil, nil
		}
		if len(resultss) == 1 {
			return resultss[0], nil
		}

		return resultss, nil*/
}

func (context *Context) funcArrayMap(args ...interface{}) (interface{}, error) {

	expressions := make([]string, 0)
	objects := make([]interface{}, 0)
	for _, arg := range args {
		if array, ok := arg.([]interface{}); ok {
			objects = append(objects, array)
		} else if expression, ok := arg.(string); ok {
			expressions = append(expressions, expression)
		} else {
			objects = append(objects, []interface{}{arg})
		}
	}

	resultsss := make([]interface{}, 0)
	for _, object := range objects {
		resultss := make([]interface{}, 0)
		if array, ok := object.([]interface{}); ok {
			for k, v := range array {
				results := make([]interface{}, 0)
				globalProp := map[string]interface{}{
					"key":   float64(k),
					"value": v,
				}
				for _, expression := range expressions {
					result, err := context.ParseValueinGlobalProp(expression, globalProp)
					if err != nil {
						results = append(results, nil)
					} else {
						results = append(results, filterValue(result))
					}
				}
				if len(results) == 0 {
					resultss = append(resultss, nil)
				} else if len(results) == 1 {
					resultss = append(resultss, results[0])
				} else {
					resultss = append(resultss, results)
				}
			}
		} else if mp, ok := object.(map[string]interface{}); ok {
			for k, v := range mp {
				results := make([]interface{}, 0)
				globalProp := map[string]interface{}{
					"key":   k,
					"value": v,
				}
				for _, expression := range expressions {
					result, err := context.ParseValueinGlobalProp(expression, globalProp)
					if err != nil {
						results = append(results, nil)
					} else {
						results = append(results, filterValue(result))
					}
				}
				if len(results) == 0 {
					resultss = append(resultss, nil)
				} else if len(results) == 1 {
					resultss = append(resultss, results[0])
				} else {
					resultss = append(resultss, results)
				}
			}
		}
		if len(resultss) == 0 {
			resultsss = append(resultsss, nil)
		} else if len(resultss) == 1 {
			resultsss = append(resultsss, resultss[0])
		} else {
			resultsss = append(resultsss, resultss)
		}
	}

	if len(resultsss) == 0 {
		return nil, nil
	}
	if len(resultsss) == 1 {
		return resultsss[0], nil
	}

	return resultsss, nil
}

func (context *Context) funcCompoundMap(args ...interface{}) (interface{}, error) {

	expressions := make([]string, 0)
	objects := make([]interface{}, 0)
	for _, arg := range args {
		if array, ok := arg.([]interface{}); ok {
			objects = append(objects, array)
		} else if mp, ok := arg.(map[string]interface{}); ok {
			objects = append(objects, mp)
		} else {
			expressions = append(expressions, db.ToString(arg))
		}
	}

	resultsss := make([]interface{}, 0)
	for _, object := range objects {
		resultss := make([]interface{}, 0)
		if array, ok := object.([]interface{}); ok {
			for k, v := range array {
				results := make([]interface{}, 0)
				globalProp := map[string]interface{}{
					"key":   float64(k),
					"value": v,
				}
				for _, expression := range expressions {
					result, err := context.ParseValueinGlobalProp(expression, globalProp)
					if err != nil {
						results = append(results, nil)
					} else {
						results = append(results, filterValue(result))
					}
				}
				if len(results) == 0 {
					resultss = append(resultss, nil)
				} else if len(results) == 1 {
					resultss = append(resultss, results[0])
				} else {
					resultss = append(resultss, results)
				}
			}
		} else if mp, ok := object.(map[string]interface{}); ok {
			for k, v := range mp {
				results := make([]interface{}, 0)
				globalProp := map[string]interface{}{
					"key":   k,
					"value": v,
				}
				for _, expression := range expressions {
					result, err := context.ParseValueinGlobalProp(expression, globalProp)
					if err != nil {
						results = append(results, nil)
					} else {
						results = append(results, filterValue(result))
					}
				}
				if len(results) == 0 {
					resultss = append(resultss, nil)
				} else if len(results) == 1 {
					resultss = append(resultss, results[0])
				} else {
					resultss = append(resultss, results)
				}
			}
		}
		if len(resultss) == 0 {
			resultsss = append(resultsss, nil)
		} else if len(resultss) == 1 {
			resultsss = append(resultsss, resultss[0])
		} else {
			resultsss = append(resultsss, resultss)
		}
	}

	if len(resultsss) == 0 {
		return nil, nil
	}
	if len(resultsss) == 1 {
		return resultsss[0], nil
	}

	return resultsss, nil
}

func (context *Context) funcArrayFilter(args ...interface{}) (interface{}, error) {
	array := make([]interface{}, 0)
	for _, arg := range args {
		if db.ToBool(arg) {
			array = append(array, filterValue(arg))
		}
	}

	return array, nil
}

func (context *Context) funcArrayDedup(args ...interface{}) (interface{}, error) {
	tmp := make(map[string]int)
	array := make([]interface{}, 0)
	for _, arg := range args {
		s := db.ToString(arg)
		if _, ok := tmp[s]; !ok {
			array = append(array, filterValue(arg))
			tmp[s] = 1
		}
	}

	return array, nil
}

func (context *Context) funcArraySplice(args ...interface{}) (interface{}, error) {
	if len(args) < 2 {
		return nil, errors.New("not enough arguments in call to call")
	}

	index, _ := db.ToInt64(args[0])

	array := []interface{}{}
	if a, ok := args[1].([]interface{}); ok {
		array = a
	} else {
		array = append(array, args[1])
	}

	n := int64(len(array)) - index

	if len(args) > 2 {
		n, _ = db.ToInt64(args[2])
	}

	if index < int64(len(array)) && index >= 0 {
		before := array[:index]
		after := []interface{}{}
		if n <= 0 {
			after = append(after, array[index:]...)
		} else if index+n < int64(len(array)) {
			after = append(after, array[index+n:]...)
		}
		array = before
		for n := 3; n < len(args); n++ {
			array = append(array, args[n])
		}
		array = append(array, after...)
	}

	return array, nil
}

func (context *Context) funcArrayMerge(args ...interface{}) (interface{}, error) {
	array := make([]interface{}, 0)
	for _, arg := range args {
		if s, ok := arg.([]interface{}); ok {
			array = append(array, s...)
		} else {
			array = append(array, arg)
		}
	}

	return array, nil
}

func (context *Context) funcMap(args ...interface{}) (interface{}, error) {
	m := make(map[string]interface{})
	for i := 0; i < len(args)-1; i += 2 {
		m[db.ToString(args[i])] = filterValue(args[i+1])
	}
	return m, nil
}

func (context *Context) funcMapKeys(args ...interface{}) (interface{}, error) {
	if len(args) < 1 {
		return nil, errors.New("not enough arguments in call to call")
	}

	keys := make([]interface{}, 0)

	if mp, ok := args[0].(map[string]interface{}); ok {
		for key, _ := range mp {
			keys = append(keys, key)
		}
	}

	return keys, nil
}

func (context *Context) funcMapValues(args ...interface{}) (interface{}, error) {
	if len(args) < 1 {
		return nil, errors.New("not enough arguments in call to call")
	}

	values := make([]interface{}, 0)

	if mp, ok := args[0].(map[string]interface{}); ok {
		for _, value := range mp {
			values = append(values, filterValue(value))
		}
	}

	return values, nil
}

func (context *Context) funcMapMerge(args ...interface{}) (interface{}, error) {
	mp := make(map[string]interface{})
	for _, arg := range args {
		if m, ok := arg.(map[string]interface{}); ok {
			for k, v := range m {
				mp[k] = filterValue(v)
			}
		}
	}

	return mp, nil
}

func (context *Context) funcSetProp(args ...interface{}) (interface{}, error) {
	if len(args) < 2 {
		return nil, errors.New("not enough arguments in call to call")
	}

	name := db.ToString(args[0])

	prop, err := context.GetProp(name)
	if prop == nil {
		return nil, err
	}

	prop.Result = args[1]

	context.ModifyAfter(prop.Key)

	return prop.Result, nil
}

func (context *Context) funcControl(args ...interface{}) (interface{}, error) {
	if len(args) < 1 {
		return nil, errors.New("not enough arguments in call to call")
	}

	var control Control

	control.PraseForArgs(args...)

	return control, nil
}

func (context *Context) funcControlInput(args ...interface{}) (interface{}, error) {
	var control Control

	control.PraseForArgs(append([]interface{}{"input"}, args...)...)

	return control, nil
}

func (context *Context) funcControlNumber(args ...interface{}) (interface{}, error) {
	var control Control

	control.PraseForArgs(append([]interface{}{"number"}, args...)...)

	return control, nil
}

func (context *Context) funcControlCheckbox(args ...interface{}) (interface{}, error) {

	var value interface{}
	if len(args) > 0 {
		value = args[0]
	}

	var param map[string]interface{}
	if len(args) > 2 {
		if p, ok := args[2].(map[string]interface{}); ok {
			param = p
		} else {
			param = make(map[string]interface{})
		}
	} else {
		param = make(map[string]interface{})
	}

	if len(args) > 1 {
		param["label"] = args[1]
	}

	if len(args) > 3 {
		args = args[3:]
	} else {
		args = make([]interface{}, 0)
	}

	var control Control

	control.PraseForArgs(append([]interface{}{"checkbox", value, param}, args...)...)

	return control, nil
}

func (context *Context) funcControlText(args ...interface{}) (interface{}, error) {
	var control Control

	var value interface{}
	if len(args) > 1 {
		value = args[1]
	}

	var param map[string]interface{}
	if len(args) > 2 {
		if p, ok := args[2].(map[string]interface{}); ok {
			param = p
		} else {
			param = make(map[string]interface{})
		}
	} else {
		param = make(map[string]interface{})
	}

	if len(args) > 0 {
		param["label"] = args[0]
	}

	var event map[string]string
	if len(args) > 3 {
		if e, ok := args[3].(map[string]string); ok {
			event = e
		} else {
			event = make(map[string]string)
			if e, ok := args[3].(map[string]interface{}); ok {
				for key, val := range e {
					event[key] = db.ToString(val)
				}
			}
		}
	} else {
		event = make(map[string]string)
	}

	last := false
	if len(args) > 4 {
		if p, ok := args[4].(bool); ok {
			last = p
		}
	}

	control.PraseForArgs("text", value, param, event, last)

	return control, nil
}

func (context *Context) funcControlSelect(args ...interface{}) (interface{}, error) {

	var value interface{}
	if len(args) > 1 {
		value = args[1]
	}

	var param map[string]interface{}
	if len(args) > 2 {
		if p, ok := args[2].(map[string]interface{}); ok {
			param = p
		} else {
			param = make(map[string]interface{})
		}
	} else {
		param = make(map[string]interface{})
	}

	if len(args) > 0 {
		if p, ok := args[0].([]interface{}); ok {
			param["options"] = p
		} else {
			param["options"] = make([]interface{}, 0)
		}
	}

	if len(args) > 3 {
		args = args[3:]
	} else {
		args = make([]interface{}, 0)
	}

	var control Control

	control.PraseForArgs(append([]interface{}{"select", value, param}, args...)...)

	return control, nil
}

func (context *Context) funcControlGroup(args ...interface{}) (interface{}, error) {

	controls := make([]Control, 0)
	values := make([]interface{}, 0)

	for _, arg := range args {
		var control Control
		if c, ok := arg.(Control); ok {
			control = c
		} else if c, ok := arg.(*Control); ok {
			control = *c
		} else if c, ok := arg.(map[string]interface{}); ok {
			control.PraseForMap(c)
		}
		controls = append(controls, control)
		values = append(values, control.Value)
	}

	var control Control
	control.Type = "group"
	control.Value = values
	control.Param = map[string]interface{}{
		"controls": controls,
	}
	control.Event = make(map[string]string)
	control.Last = true

	return control, nil
}

func (context *Context) funcControlPopover(args ...interface{}) (interface{}, error) {

	var param map[string]interface{}
	if len(args) > 1 {
		if p, ok := args[1].(map[string]interface{}); ok {
			param = p
		} else {
			param = make(map[string]interface{})
		}
	} else {
		param = make(map[string]interface{})
	}

	if len(args) > 0 {
		param["label"] = args[0]
	}

	if len(args) > 2 {
		args = args[2:]
	} else {
		args = make([]interface{}, 0)
	}

	controls := make([]Control, 0)
	values := make([]interface{}, 0)
	last := true

	for _, arg := range args {
		if control, ok := arg.(Control); ok {
			controls = append(controls, control)
			values = append(values, control.Value)
		} else if control, ok := arg.(*Control); ok {
			controls = append(controls, *control)
			values = append(values, control.Value)
		} else if c, ok := arg.(map[string]interface{}); ok {
			var control Control
			control.PraseForMap(c)
			controls = append(controls, control)
			values = append(values, control.Value)
		} else if c, ok := arg.(bool); ok {
			last = c
		}
	}

	param["controls"] = controls

	var control Control
	control.Type = "popover"
	control.Value = values
	control.Param = param
	control.Event = make(map[string]string)
	control.Last = last

	return control, nil
}

func (context *Context) funcControlSelectMat(args ...interface{}) (interface{}, error) {
	var control Control

	var value interface{}
	if len(args) > 1 {
		value = args[1]
	}

	var param map[string]interface{}
	if len(args) > 2 {
		if p, ok := args[2].(map[string]interface{}); ok {
			param = p
		} else {
			param = make(map[string]interface{})
		}
	} else {
		param = make(map[string]interface{})
	}

	if len(args) > 0 {
		if s, ok := args[0].([]interface{}); ok {
			param["type"] = s
		} else {
			id, _ := db.ToInt64(args[0])
			param["type"] = []interface{}{id}
		}
	}

	if len(args) > 3 {
		args = args[3:]
	} else {
		args = make([]interface{}, 0)
	}

	control.PraseForArgs(append([]interface{}{"selectmat", value, param}, args...)...)

	return control, nil
}

func (context *Context) funcControlSelectItem(args ...interface{}) (interface{}, error) {
	var control Control

	var value interface{}
	if len(args) > 1 {
		value = args[1]
	}

	var param map[string]interface{}
	if len(args) > 2 {
		if p, ok := args[2].(map[string]interface{}); ok {
			param = p
		} else {
			param = make(map[string]interface{})
		}
	} else {
		param = make(map[string]interface{})
	}

	if len(args) > 0 {
		if s, ok := args[0].([]interface{}); ok {
			param["type"] = s
		} else {
			id, _ := db.ToInt64(args[0])
			param["type"] = []interface{}{id}
		}
	}

	if len(args) > 3 {
		args = args[3:]
	} else {
		args = make([]interface{}, 0)
	}

	control.PraseForArgs(append([]interface{}{"selectitem", value, param}, args...)...)

	return control, nil
}

func (context *Context) funcControlButton(args ...interface{}) (interface{}, error) {

	var param map[string]interface{}
	if len(args) > 2 {
		if p, ok := args[2].(map[string]interface{}); ok {
			param = p
		} else {
			param = make(map[string]interface{})
		}
	} else {
		param = make(map[string]interface{})
	}

	var event map[string]string
	if len(args) > 3 {
		if e, ok := args[3].(map[string]string); ok {
			event = e
		} else {
			event = make(map[string]string)
			if event, ok := args[3].(map[string]interface{}); ok {
				for key, val := range event {
					event[key] = db.ToString(val)
				}
			}
		}
	} else {
		event = make(map[string]string)
	}

	if len(args) > 0 {
		param["label"] = args[0]
	}

	if len(args) > 1 {
		event["click"] = db.ToString(args[1])
	}

	if len(args) > 4 {
		args = args[4:]
	} else {
		args = make([]interface{}, 0)
	}

	var control Control

	control.PraseForArgs(append([]interface{}{"button", nil, param, event}, args...)...)

	return control, nil
}

func (context *Context) funcGetMatTypeForName(args ...interface{}) (interface{}, error) {

	context.MatTypeInit()

	pids := make([]interface{}, 0)
	for _, arg := range args {
		typs := strings.Split(db.ToString(arg), "/")
		pid := int64(0)
		for _, name := range typs {
			if name == "" {
				continue
			}
			if nameCache, ok := context.MatTypePidNameCache[pid]; ok {
				if typ, ok := nameCache[name]; ok {
					pid = typ.ID
				}
			}
		}
		if pid == 0 {
			pids = append(pids, nil)
		} else {
			pids = append(pids, filterValue(pid))
		}
	}

	if len(pids) == 0 {
		return nil, nil
	}
	if len(pids) == 1 {
		return pids[0], nil
	}

	return pids, nil
}

func (context *Context) funcMatName(args ...interface{}) (interface{}, error) {

	names := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		mat := context.GetMat(id)

		if mat != nil {
			name := mat.Brand + " " + mat.Series + " " + mat.Model + " " + mat.Specs + " " + mat.Color
			names = append(names, name)
		} else {
			names = append(names, nil)
		}
	}
	if len(names) == 0 {
		return nil, nil
	}
	if len(names) == 1 {
		return names[0], nil
	}

	return names, nil
}

func (context *Context) funcMatType(args ...interface{}) (interface{}, error) {

	types := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		mat := context.GetMat(id)

		if mat != nil {
			types = append(types, filterValue(mat.TypeId))
		} else {
			types = append(types, nil)
		}
	}
	if len(types) == 0 {
		return nil, nil
	}
	if len(types) == 1 {
		return types[0], nil
	}

	return types, nil
}

func (context *Context) funcMatPrice(args ...interface{}) (interface{}, error) {

	prices := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		mat := context.GetMat(id)

		if mat != nil {
			prices = append(prices, filterValue(mat.Price))
		} else {
			prices = append(prices, nil)
		}
	}
	if len(prices) == 0 {
		return nil, nil
	}
	if len(prices) == 1 {
		return prices[0], nil
	}

	return prices, nil
}

func (context *Context) funcMatControlPrice(args ...interface{}) (interface{}, error) {

	prices := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		mat := context.GetMat(id)

		if mat != nil {
			prices = append(prices, filterValue(final.ControlPrice(mat.ControlPrice, mat.Price)))
		} else {
			prices = append(prices, nil)
		}
	}
	if len(prices) == 0 {
		return nil, nil
	}
	if len(prices) == 1 {
		return prices[0], nil
	}

	return prices, nil
}

func (context *Context) funcMatSalesPrice(args ...interface{}) (interface{}, error) {

	prices := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		mat := context.GetMat(id)

		if mat != nil {
			prices = append(prices, filterValue(final.SalesPrice(mat.SalesPrice, mat.Price)))
		} else {
			prices = append(prices, nil)
		}
	}
	if len(prices) == 0 {
		return nil, nil
	}
	if len(prices) == 1 {
		return prices[0], nil
	}

	return prices, nil
}

func (context *Context) funcMatPurchasePrice(args ...interface{}) (interface{}, error) {

	prices := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		mat := context.GetMat(id)

		if mat != nil {
			prices = append(prices, filterValue(final.PurchasePrice(mat.PurchasePrice, mat.Price)))
		} else {
			prices = append(prices, nil)
		}
	}
	if len(prices) == 0 {
		return nil, nil
	}
	if len(prices) == 1 {
		return prices[0], nil
	}

	return prices, nil
}

func (context *Context) funcMatSupplier(args ...interface{}) (interface{}, error) {

	suppliers := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		mat := context.GetMat(id)

		if mat != nil {
			suppliers = append(suppliers, filterValue(mat.SupplierId))
		} else {
			suppliers = append(suppliers, nil)
		}
	}
	if len(suppliers) == 0 {
		return nil, nil
	}
	if len(suppliers) == 1 {
		return suppliers[0], nil
	}

	return suppliers, nil
}

func (context *Context) funcGetMatTopType(args ...interface{}) (interface{}, error) {

	context.MatTypeInit()

	types := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		for {
			if typ, ok := context.MatTypeCache[id]; ok {
				if typ.Pid != 0 {
					id = typ.Pid
				} else {
					break
				}
			} else {
				break
			}
		}

		types = append(types, filterValue(id))
	}
	if len(types) == 0 {
		return nil, nil
	}
	if len(types) == 1 {
		return types[0], nil
	}

	return types, nil
}

func (context *Context) funcMatTypeName(args ...interface{}) (interface{}, error) {

	context.MatTypeInit()

	names := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		if typ, ok := context.MatTypeCache[id]; ok {
			names = append(names, typ.Name)
		} else {
			names = append(names, nil)
		}
	}
	if len(names) == 0 {
		return nil, nil
	}
	if len(names) == 1 {
		return names[0], nil
	}

	return names, nil
}

func (context *Context) funcMatTypeUnit(args ...interface{}) (interface{}, error) {

	context.MatTypeInit()

	types := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		if typ, ok := context.MatTypeCache[id]; ok {
			types = append(types, typ.Unit)
		} else {
			types = append(types, "")
		}

	}
	if len(types) == 0 {
		return nil, nil
	}
	if len(types) == 1 {
		return types[0], nil
	}

	return types, nil
}

func (context *Context) funcDataType(args ...interface{}) (interface{}, error) {

	types := make([]interface{}, 0)
	for _, arg := range args {
		typ := reflect.TypeOf(arg)
		if typ == nil {
			types = append(types, nil)
		} else {
			types = append(types, typ.String())
		}
	}
	if len(types) == 0 {
		return nil, nil
	}
	if len(types) == 1 {
		return types[0], nil
	}

	return types, nil
}

func (context *Context) funcDebug(args ...interface{}) (interface{}, error) {
	logger.Sugar.Infof("Debug %v: %v arg", context.Calls[len(context.Calls)-1].Expression, len(args))
	for n, arg := range args {
		typ := reflect.TypeOf(arg)
		typs := ""
		if typ == nil {
		} else {
			typs = typ.String()
		}
		logger.Sugar.Infof("arg[%v]: %+v %v", n, arg, typs)
	}
	if len(args) == 1 {
		return args[0], nil
	}
	return args, nil
}

func (context *Context) funcCheckAuth(args ...interface{}) (interface{}, error) {
	auths := make([]string, 0)
	argParse(args, func(arg interface{}) {
		auths = append(auths, db.ToString(arg))
	})
	return admin.CheckAuth(auths, context.C.GetInt("adminID")), nil
}

func (context *Context) funcCustomer(args ...interface{}) (interface{}, error) {

	customer := context.Customer()

	if customer != nil {
		return customer.Username, nil
	}

	return "", nil
}

func (context *Context) funcPhone(args ...interface{}) (interface{}, error) {

	customer := context.Customer()

	if customer != nil {
		return customer.Phone, nil
	}

	return "", nil
}

func (context *Context) funcAddress(args ...interface{}) (interface{}, error) {

	customer := context.Customer()

	if customer != nil {
		return customer.Address + " " + customer.Village + " " + customer.RoomNo, nil
	}

	return "", nil
}

func (context *Context) funcAdmin(args ...interface{}) (interface{}, error) {

	admin := context.Admin()

	if admin != nil {
		return admin.Username, nil
	}

	return "", nil
}

func (context *Context) funcGetItemTypeForName(args ...interface{}) (interface{}, error) {

	context.ItemTypeInit()

	pids := make([]interface{}, 0)
	for _, arg := range args {
		typs := strings.Split(db.ToString(arg), "/")
		pid := int64(0)
		for _, name := range typs {
			if name == "" {
				continue
			}
			if nameCache, ok := context.ItemTypePidNameCache[pid]; ok {
				if typ, ok := nameCache[name]; ok {
					pid = typ.ID
				}
			}
		}
		if pid == 0 {
			pids = append(pids, nil)
		} else {
			pids = append(pids, filterValue(pid))
		}
	}

	if len(pids) == 0 {
		return nil, nil
	}
	if len(pids) == 1 {
		return pids[0], nil
	}

	return pids, nil
}

func (context *Context) funcItemTypeName(args ...interface{}) (interface{}, error) {

	context.ItemTypeInit()

	names := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)

		if typ, ok := context.ItemTypeCache[id]; ok {
			names = append(names, typ.Name)
		} else {
			names = append(names, nil)
		}
	}
	if len(names) == 0 {
		return nil, nil
	}
	if len(names) == 1 {
		return names[0], nil
	}

	return names, nil
}

func (context *Context) funcGetItemForType(args ...interface{}) (interface{}, error) {

	ids := make([]interface{}, 0)
	for _, arg := range args {
		typid, _ := db.ToInt64(arg)
		tids := budget.AllItemTypes([]int64{typid})
		items, _ := budget.GetItemModels(map[string]interface{}{
			"typeId in":  tids,
			"deleted_at": 0,
		})
		for _, item := range items {
			if _, ok := context.Order.Models[Item][item.ID]; !ok {
				context.Order.Models[Item][item.ID] = item
			}
			ids = append(ids, filterValue(item.ID))
		}
	}

	if len(ids) == 1 {
		return ids[0], nil
	}

	return ids, nil
}

func (context *Context) funcGetSupplierForName(args ...interface{}) (interface{}, error) {

	context.SupplierInit()

	ids := make([]interface{}, 0)
	for _, arg := range args {
		name := db.ToString(arg)
		if supplier, ok := context.SupplierNameCache[name]; ok {
			ids = append(ids, filterValue(supplier.ID))
		} else {
			ids = append(ids, nil)
		}
	}

	if len(ids) == 0 {
		return nil, nil
	}
	if len(ids) == 1 {
		return ids[0], nil
	}

	return ids, nil
}

func (context *Context) funcSupplierName(args ...interface{}) (interface{}, error) {

	context.SupplierInit()

	names := make([]interface{}, 0)
	for _, arg := range args {
		id, _ := db.ToInt64(arg)
		if supplier, ok := context.SupplierCache[id]; ok {
			names = append(names, supplier.Name)
		} else {
			names = append(names, nil)
		}
	}

	if len(names) == 0 {
		return nil, nil
	}
	if len(names) == 1 {
		return names[0], nil
	}

	return names, nil
}

func (context *Context) funcNow(args ...interface{}) (interface{}, error) {

	return float64(time.Now().Unix()), nil
}