package util

import (
	"bytes"
	"io"
	"time"

	"github.com/pkg/errors"
	"kpt.xdmy/pkg/log"
)

func Bool() {

}

func Zero(b bool) int {
	if b {
		return 1
	}
	return 0
}
func ZeroStr(b bool, s string) string {
	if b {
		return s
	}
	return ""
}

func ParseDate(d string) (res time.Time, err error) {
	if len(d) == 8 {
		d = d[:4] + "-" + d[4:6] + "-" + d[6:]
	}
	res, err = time.ParseInLocation("2006-01-02", d, time.Local)
	if err != nil {
		err = errors.Wrapf(err, "util ParseDate %s", d)
		log.Print(err.Error())
	}
	return
}

func ParseDateAndTime(d, t string) (res time.Time, e error) {
	if d == "00000000" {
		return time.Now(), nil
	}
	if len(d) == 8 {
		d = d[:4] + "-" + d[4:6] + "-" + d[6:]
	}
	if len(t) == 6 {
		t = t[:2] + ":" + t[2:4] + ":" + t[4:]
	}
	if t != "" {
		d = d + " " + t
	}
	if res, e = time.ParseInLocation("2006-01-02 15:04:05", d, time.Local); e != nil {
		e = errors.Wrapf(e, "util ParseDateAndTime %s %s", d, t)
	}
	return
}

func Unmarshal(p interface{}, res interface{}) (e error) {
	b := []byte{}
	switch p.(type) {
	case string:
		b = []byte(p.(string))
	case []byte:
		b = p.([]byte)
	default:
		if b, e = json.Marshal(p); e != nil {
			return errors.Wrapf(e, "util Unmarshal")
		}
	}
	e = json.Unmarshal(b, res)
	// defer func(e error) {
	// 	if e != nil {
	// 		log.Error("json UnMarshal ", e)
	// 	}
	// }(e)
	return errors.Wrapf(e, "util Unmarshal")
}
func UnmarshalNoflag(p interface{}, res interface{}) (err error) {
	b := make([]byte, 0)
	switch p.(type) {
	case string:
		b = []byte(p.(string))
	case []byte:
		b = p.([]byte)
	default:
		b, err = json.Marshal(p)
		if err != nil {
			return
		}
	}
	err = json.Unmarshal(b, res)
	return
}

func Marshal(p interface{}) (b []byte, err error) {
	// json.MarshalIndent(p, "", "  ")

	if b, err = json.Marshal(p); err != nil {
		log.Error("json Marshal error:", err, p)
	}
	return
}

func JsonMarshal(p interface{}) (r io.Reader, err error) {
	if p == nil {
		return
	}
	var b []byte
	switch p.(type) {
	case string:
		b = []byte(p.(string))
	case []byte:
		b = p.([]byte)
	default:
		b, err = json.Marshal(p)
		if err != nil {
			err = log.Error("failed to marshal", err, p)
			return
		}
	}
	r = bytes.NewBuffer(b)
	return

}

func NewMap(name string, value interface{}) map[string]interface{} {
	return map[string]interface{}{
		name: value,
	}
}