package utils

import (
	"encoding/json"
	"strconv"
)

// MapUtils Map工具类
type MapUtils struct{}

var Map = &MapUtils{}

// ConvertToObject Map转对象
func (m *MapUtils) ConvertToObject(data map[string]interface{}, obj interface{}) error {
	jsonData, err := json.Marshal(data)
	if err != nil {
		return err
	}
	return json.Unmarshal(jsonData, obj)
}

// GetString 从map获取字符串
func (m *MapUtils) GetString(data map[string]interface{}, key string) string {
	if val, ok := data[key]; ok && val != nil {
		return val.(string)
	}
	return ""
}

// GetInt64 从map获取int64
func (m *MapUtils) GetInt64(data map[string]interface{}, key string) int64 {
	if val, ok := data[key]; ok && val != nil {
		switch v := val.(type) {
		case string:
			if i, err := strconv.ParseInt(v, 10, 64); err == nil {
				return i
			}
		case float64:
			return int64(v)
		case int:
			return int64(v)
		case int64:
			return v
		}
	}
	return 0
}