// Copyright 2019 getensh.com. All rights reserved.
// Use of this source code is governed by getensh.com.

package main

import (
	"context"
	"flag"
	"fmt"
	"log"
	"os"
	"os/signal"
	"property-task/impl/v1/bill"
	"property-task/impl/v1/reminder"
	"property-task/pb"
	"syscall"
	"time"

	"git.getensh.com/common/gopkgs/database"
	"git.getensh.com/common/gopkgs/tasker"
	"github.com/robfig/cron"
	"property-task/parser"
)

var (
	configFile = flag.String("config", "conf/common.yaml", "config file location")
	version    = flag.Bool("version", false, "print the version")
	GitCommit  = "library-import"
	Version    = "library-import"
	Test       = flag.Int("test", 0, "test")
)

func showVersion() {
	fmt.Println("Version:  ", Version)
	fmt.Println("GitCommit:", GitCommit)
}

func TaskInit() {
	cronTask := cron.New()
	// 添加定时生成账单，每天凌晨1点
	_ = cronTask.AddFunc("0 0 1 * * ?", func() {
		bill.GenerateBill()
	})

	// 添加催缴缓存任务，每天凌晨5点
	_ = cronTask.AddFunc("0 0 5 * * ?", func() {
		reminder.GenerateReminder()
	})

	// 添加催缴消息任务， 每天9点
	_ = cronTask.AddFunc("0 30 9 * * ?", func() {
		reminder.SendUrgeMsg()
	})
	cronTask.Start()
}

func prepare(filename string) {
	// 加载配置
	err := parser.LoadConfig(filename)
	if err != nil {
		fmt.Printf("get conf failed, err: %+v\n\n", err)
		os.Exit(1)
	}

	// 注册处理函数
	// parser.Register(parser.MysqlHandler, parser.RedisHandler, parser.LoggerHandler)
	parser.Register(
		//parser.MysqlHandler,
		parser.LoggerHandler,
		parser.RedisHandler,
		parser.EtcdHandler,
	)
	// 执行注册的处理函数
	parser.Handle()
}

func run() {
	conns := pb.SetupClients()
	for _, conn := range conns {
		defer conn.Close()
	}

	switch *Test {
	case 1:
		bill.GenerateBill()
		return
	case 2:
		reminder.GenerateReminder()
		return
	case 3:
		reminder.SendUrgeMsg()
		return
	}
	// 初始化定时任务
	TaskInit()
	// 建立rpc客户端

	// 优雅关闭服务器
	sigChan := make(chan os.Signal, 1)
	// 捕获信号
	signal.Notify(sigChan, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
	sigValue := <-sigChan
	log.Printf("Got a signal:%v", sigValue)

	// 让tasker安全退出
	tasker.SignalNotify(sigValue)

	// 不管什么行为，都等待5秒退出
	log.Println("Start to shutdown server...")
	_, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()
	log.Println("Shutdown server finished.")
}

func main() {
	defer func() {
		database.Close()
	}()

	flag.Parse()

	if *version {
		showVersion()
		os.Exit(1)
	}

	prepare(*configFile)

	run()

	return
}