package utils

import (
	"fmt"
	"math/rand"
	"time"
)

var GetUuid = getUuid{}

type getUuid struct {
}

func (*getUuid) GetTalentId() string {
	now := time.Now()
	nowStr := time.Time.String(now)
	str1 := nowStr[11:13] + nowStr[14:16]
	str2 := fmt.Sprintf("%04v", rand.New(rand.NewSource(time.Now().UnixNano())).Int31n(10000))
	tid := "2" + str1 + str2
	return tid
}

func (*getUuid) GetTaskId(ProjectId string, EnterpriseId string, TalentId string) string {
	str1 := ProjectId[len(ProjectId)-2:] + EnterpriseId[len(EnterpriseId)-1:] + TalentId[len(TalentId)-2:]
	str2 := fmt.Sprintf("%05v", rand.New(rand.NewSource(time.Now().UnixNano())).Int31n(100000))
	tid := str1 + str2
	return tid
}

func (*getUuid) GetTeamId(ProjectId string, SelectionId string, TalentId string) string {
	str0 := ProjectId + SelectionId
	str1 := str0[len(str0)-3:] + TalentId[len(TalentId)-2:]
	str2 := fmt.Sprintf("%05v", rand.New(rand.NewSource(time.Now().UnixNano())).Int31n(100000))
	tid := str1 + str2
	return tid
}

func (*getUuid) GetRandomString(l int) string {
	str := "0123456789"
	bytes := []byte(str)
	var result []byte
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for i := 0; i < l; i++ {
		result = append(result, bytes[r.Intn(len(bytes))])
	}
	return string(result)
}