package helper

import (
	"errors"
)

func MergeStringMap(x, y map[string]string) map[string]string {

	n := make(map[string]string)
	for i, v := range x {
		for j, w := range y {
			if i == j {
				n[i] = w

			} else {
				if _, ok := n[i]; !ok {
					n[i] = v
				}
				if _, ok := n[j]; !ok {
					n[j] = w
				}
			}
		}
	}

	return n

}

/**
 * 转换为map string数组
 * 2021/1/5
 * gz
 */
func ToMapStringArray(x interface{}) ([]map[string]string, error) {
	list, ok := x.([]interface{})
	if !ok {
		return []map[string]string{}, errors.New("type error")
	}

	if len(list) < 1 {
		return []map[string]string{}, nil
	}
	var ret []map[string]string = make([]map[string]string, len(list))
	var tmp map[string]interface{}
	var map_tmp map[string]string
	var err error

	for key, item := range list {
		if tmp, ok = item.(map[string]interface{}); ok {
			map_tmp = make(map[string]string)
			for k, v := range tmp {
				map_tmp[k] = ToStr(v)
			}
			ret[key] = map_tmp
		} else {
			err = errors.New("data type error")
			break
		}
	}

	return ret, err
}