// Package util -----------------------------
// @file      : copierOptions.go
// @author    : JJXu
// @contact   : wavingbear@163.com
// @time      : 2023/8/18 12:00
// -------------------------------------------
package utils

import (
	"errors"
	"github.com/jinzhu/copier"
	"time"
)

var CopierProtoOptions = copier.Option{
	IgnoreEmpty: true,
	DeepCopy:    true,
	Converters: []copier.TypeConverter{
		{
			SrcType: time.Time{},
			DstType: copier.String,
			Fn: func(src interface{}) (interface{}, error) {
				s, ok := src.(time.Time)
				if !ok {
					return nil, errors.New("src type :time.Time not matching")
				}
				return s.Format("2006-01-02 15:04:05"), nil
			},
		},
		{
			SrcType: copier.String,
			DstType: time.Time{},
			Fn: func(src interface{}) (interface{}, error) {
				s, ok := src.(string)
				if !ok {
					return nil, errors.New("src type :time.Time not matching")
				}
				tt, err := StringToTime(s, "2006-01-02 15:04:05")
				return *tt, err
			},
		},
	},
}

func StringToTime(strTime string, timeFormat string) (*time.Time, error) {
	timeObj, err := time.ParseInLocation(timeFormat, strTime, LocShanghai())
	return &timeObj, err
}
func LocShanghai() *time.Location {
	var shanghai, err = time.LoadLocation("Asia/Shanghai")
	if err != nil {
		shanghai = time.FixedZone("CST", 8*3600)
	}
	return shanghai
}