package crontab

import (
	"encoding/json"
	"fmt"
	"sync"
	"tools/entity"
	"tools/logic/cutil"
	"tools/logic/orm"

	"github.com/robfig/cron/v3"
	"github.com/spf13/cast"
)

type Crontab struct {
	sync.Mutex
	TaskId int64  `json:"task_id"`
	Cron   string `json:"cron"`
	Url    string `json:"url"`
	Name   string `json:"name"`
	Desc   string `json:"desc"`
	Author string `json:"author"`
	Status int32  `json:"status"`
}

var taskKey = "h:gm:crontab:list"

var commander *cron.Cron
var taskIdPool map[cron.EntryID]*Crontab

//func init() {
//	orm.RegisterSupervisor[*Crontab]()
//	taskIdPool = make(map[cron.EntryID]*Crontab)
//	var nyc, _ = time.LoadLocation("Local")
//	loc := cron.WithLocation(nyc)
//	commander = cron.New(loc)
//}

func Start() {
	load()
	tasks := orm.GetAll[*Crontab]()
	start(tasks)
}

func ReStart() {
	commander.Stop()
	for id, _ := range taskIdPool {
		commander.Remove(id)
		delete(taskIdPool, id)
	}
	Start()
}

func add(task *Crontab) {
	orm.Register[*Crontab](task)
	ReStart()
}

func (task *Crontab) Working() {
	if task.Status == 1 {
		host := entity.GetConf().CronHost
		response, err := cutil.Get(host + task.Url)
		if err != nil {
			return
		}
		fmt.Println(response)
	}
}

func (task *Crontab) Id() int64 {
	return task.TaskId
}
func (task *Crontab) Commit() {
	redis := entity.GetRedis()
	redis.HSet(taskKey, cast.ToString(task.TaskId), task.ToString())
}

func (task *Crontab) delete() {
	task.Status = 0
	err := orm.Delete[*Crontab](task.TaskId, func(t *Crontab) {
		redis := entity.GetRedis()
		redis.HDel(taskKey, cast.ToString(t.TaskId))
	})
	if err != nil {
		return
	}
}

func (task *Crontab) open() {
	task.Status = 1
}
func (task *Crontab) Stop() {
	task.Status = 0
}
func (task *Crontab) ToString() string {
	js, err := json.Marshal(task)
	if err != nil {
		return ""
	}
	return string(js)
}

func load() {
	redis := entity.GetRedis()
	list := redis.HGetAll(taskKey)
	values := list.Val()
	for _, val := range values {
		task := &Crontab{}
		err := json.Unmarshal([]byte(val), task)
		if err != nil {
			panic("marshal crontab task error")
		}
		orm.Register[*Crontab](task)
	}
}
func start(tasks map[int64]*Crontab) map[cron.EntryID]*Crontab {

	for _, task := range tasks {
		fmt.Println("启动任务：" + task.Cron + " 名称:" + task.Name)
		id, err := commander.AddFunc(task.Cron, task.Working)
		if err != nil {
			fmt.Println("启动任务失败" + task.Cron + " 名称:" + task.Name)
			commander.Stop()
			return nil
		}
		taskIdPool[id] = task
	}
	commander.Start()
	return taskIdPool
}