package services

import (
	pkg "goiot-pkg/models"
	"reflect"
)

// 把结构体转换为Int
func InterfaceToInt(data interface{}) int {
	if p, ok := data.(float64); ok {
		return int(p)
	}
	return 0
}

// 把结构体转换为Bool
func InterfaceToBool(data interface{}) bool {
	if p, ok := data.(bool); ok {
		return p
	}
	return false
}

// 把结构体转换为Float32
func InterfaceToFloat32(data interface{}) float32 {
	if p, ok := data.(float64); ok {
		return float32(p)
	}
	return 0.
}

// 把结构体转换为IntDic
func InterfaceToIntDic(data interface{}) pkg.IntDic {
	value := reflect.ValueOf(data)
	if value.Kind() != reflect.Slice {
		return nil
	}
	var intDic = make(pkg.IntDic, 0)
	for i := 0; i < value.Len(); i++ {
		em := reflect.ValueOf(data).Index(i).Elem()
		if em.Kind() != reflect.Map {
			continue
		}
		intP := pkg.IntP{}
		for _, key := range em.MapKeys() {
			if p, ok := em.MapIndex(key).Interface().(string); ok {
				intP.Key = p
			} else if p, ok := em.MapIndex(key).Interface().(float64); ok {
				intP.Value = int(p)
			}
		}
		intDic = append(intDic, intP)
	}
	return intDic
}

// 把结构体转换为BoolDic
func InterfaceToBoolDic(data interface{}) pkg.BoolDic {
	value := reflect.ValueOf(data)
	if value.Kind() != reflect.Slice {
		return nil
	}
	var boolDic = make(pkg.BoolDic, 0)
	for i := 0; i < value.Len(); i++ {
		em := reflect.ValueOf(data).Index(i).Elem()
		if em.Kind() != reflect.Map {
			continue
		}
		boolP := pkg.BoolP{}
		for _, key := range em.MapKeys() {
			if p, ok := em.MapIndex(key).Interface().(string); ok {
				boolP.Key = p
			} else if p, ok := em.MapIndex(key).Interface().(bool); ok {
				boolP.Value = p
			}
		}
		boolDic = append(boolDic, boolP)
	}
	return boolDic
}

// 把结构体转换为StringDic
func InterfaceToStringDic(data interface{}) pkg.StringDic {
	value := reflect.ValueOf(data)
	if value.Kind() != reflect.Slice {
		return nil
	}
	var stringDic = make(pkg.StringDic, 0)
	for i := 0; i < value.Len(); i++ {
		em := reflect.ValueOf(data).Index(i).Elem()
		if em.Kind() != reflect.Map {
			continue
		}
		stringP := pkg.StringP{}
		for _, key := range em.MapKeys() {
			if p, ok := em.MapIndex(key).Interface().(string); ok {
				stringP.Key = p
			} else if p, ok := em.MapIndex(key).Interface().(string); ok {
				stringP.Value = p
			}
		}
		stringDic = append(stringDic, stringP)
	}
	return stringDic
}