package common

import (
	"time"

	"mongo.games.com/goserver/core/module"
)

/*
 时钟
*/

func init() {
	module.RegisteModule(ClockMgrSingleton, time.Millisecond*500, 0)
}

var ClockMgrSingleton = &ClockMgr{
	LastHour:  -1,
	LastDay:   -1,
	Notifying: false,
}

const (
	ClockEventSecond int = iota
	ClockEventMinute
	ClockEventHour
	ClockEventDay
	ClockEventWeek
	ClockEventMonth
	ClockEventShutdown
	ClockEventMax
)

type ClockSinker interface {
	InterestClockEvent() int
	OnSecTimer()
	OnMiniTimer()
	OnHourTimer()
	OnDayTimer()
	OnWeekTimer()
	OnMonthTimer()
	OnShutdown()
}

type BaseClockSinker struct {
}

func (s *BaseClockSinker) InterestClockEvent() int { return (1 << ClockEventMax) - 1 }
func (s *BaseClockSinker) OnSecTimer()             {}
func (s *BaseClockSinker) OnMiniTimer()            {}
func (s *BaseClockSinker) OnHourTimer()            {}
func (s *BaseClockSinker) OnDayTimer()             {}
func (s *BaseClockSinker) OnWeekTimer()            {}
func (s *BaseClockSinker) OnMonthTimer()           {}
func (s *BaseClockSinker) OnShutdown()             {}

type ClockMgr struct {
	sinkers      [ClockEventMax][]ClockSinker
	LastTickTime time.Time
	LastMonth    time.Month
	LastWeek     int
	LastDay      int
	LastHour     int
	LastMini     int
	LastSec      int
	Notifying    bool
	LastFiveMin  int
}

func (this *ClockMgr) RegisterSinker(sinker ClockSinker) {
	interest := sinker.InterestClockEvent()
	for i := 0; i < ClockEventMax; i++ {
		if (1<<i)&interest != 0 {
			found := false
			ss := this.sinkers[i]
			for _, s := range ss {
				if s == sinker {
					found = true
					break
				}
			}
			if !found {
				this.sinkers[i] = append(this.sinkers[i], sinker)
			}
		}
	}
}

func (this *ClockMgr) ModuleName() string {
	return "ClockMgr"
}

func (this *ClockMgr) Init() {
	tNow := time.Now().Local()
	this.LastTickTime = tNow
	_, this.LastMonth, this.LastDay = tNow.Date()
	this.LastHour, this.LastMini, this.LastSec = tNow.Hour(), tNow.Minute(), tNow.Second()
	_, this.LastWeek = tNow.ISOWeek()
	this.LastFiveMin = -1
}

func (this *ClockMgr) Update() {
	tNow := time.Now().Local()
	this.LastTickTime = tNow
	sec := tNow.Second()
	if sec != this.LastSec {
		this.LastSec = sec
		this.fireSecondEvent()

		minute := tNow.Minute()
		if minute != this.LastMini {
			this.LastMini = minute
			this.fireMinuteEvent()

			hour := tNow.Hour()
			if hour != this.LastHour {
				this.LastHour = hour
				this.fireHourEvent()

				day := tNow.Day()
				if day != this.LastDay {
					this.LastDay = day
					this.fireDayEvent()

					week := GetWeekStartTs(tNow.Unix())
					if week != int64(this.LastWeek) {
						this.LastWeek = int(week)
						this.fireWeekEvent()
					}

					month := tNow.Month()
					if month != this.LastMonth {
						this.LastMonth = month
						this.fireMonthEvent()
					}
				}
			}
		}
	}
}

func (this *ClockMgr) Shutdown() {
	this.fireShutdownEvent()
	module.UnregisteModule(this)
}

func (this *ClockMgr) fireSecondEvent() {
	for _, s := range this.sinkers[ClockEventSecond] {
		s.OnSecTimer()
	}
}

func (this *ClockMgr) fireMinuteEvent() {
	for _, s := range this.sinkers[ClockEventMinute] {
		s.OnMiniTimer()
	}
}

func (this *ClockMgr) fireHourEvent() {
	for _, s := range this.sinkers[ClockEventHour] {
		s.OnHourTimer()
	}
}

func (this *ClockMgr) fireDayEvent() {
	for _, s := range this.sinkers[ClockEventDay] {
		s.OnDayTimer()
	}
}

func (this *ClockMgr) fireWeekEvent() {
	for _, s := range this.sinkers[ClockEventWeek] {
		s.OnWeekTimer()
	}
}

func (this *ClockMgr) fireMonthEvent() {
	for _, s := range this.sinkers[ClockEventMonth] {
		s.OnMonthTimer()
	}
}

func (this *ClockMgr) fireShutdownEvent() {
	for _, s := range this.sinkers[ClockEventShutdown] {
		s.OnShutdown()
	}
}

func (this *ClockMgr) GetLast() (int, int, int, int, int, int) {
	return this.LastSec, this.LastMini, this.LastHour, this.LastDay, this.LastWeek, int(this.LastMonth)
}

type ClockFunc struct {
	event            int
	OnSecTimerFunc   func()
	OnMiniTimerFunc  func()
	OnHourTimerFunc  func()
	OnDayTimerFunc   func()
	OnWeekTimerFunc  func()
	OnMonthTimerFunc func()
	OnShutdownFunc   func()
}

func (s *ClockFunc) InterestClockEvent() int { return s.event }

func (s *ClockFunc) OnSecTimer() {
	if s.OnSecTimerFunc != nil {
		s.OnSecTimerFunc()
	}
}

func (s *ClockFunc) OnMiniTimer() {
	if s.OnMiniTimerFunc != nil {
		s.OnMiniTimerFunc()
	}
}

func (s *ClockFunc) OnHourTimer() {
	if s.OnHourTimerFunc != nil {
		s.OnHourTimerFunc()
	}
}

func (s *ClockFunc) OnDayTimer() {
	if s.OnDayTimerFunc != nil {
		s.OnDayTimerFunc()
	}
}

func (s *ClockFunc) OnWeekTimer() {
	if s.OnWeekTimerFunc != nil {
		s.OnWeekTimerFunc()
	}
}

func (s *ClockFunc) OnMonthTimer() {
	if s.OnMonthTimerFunc != nil {
		s.OnMonthTimerFunc()
	}
}

func (s *ClockFunc) OnShutdown() {
	if s.OnShutdownFunc != nil {
		s.OnShutdownFunc()
	}
}

// RegisterClockFunc 注册时钟事件
func RegisterClockFunc(fs *ClockFunc) {
	if fs == nil {
		return
	}
	if fs.OnSecTimerFunc != nil {
		fs.event = fs.event | ClockEventSecond
	}
	if fs.OnMiniTimerFunc != nil {
		fs.event = fs.event | ClockEventMinute
	}
	if fs.OnHourTimerFunc != nil {
		fs.event = fs.event | ClockEventHour
	}
	if fs.OnDayTimerFunc != nil {
		fs.event = fs.event | ClockEventDay
	}
	if fs.OnWeekTimerFunc != nil {
		fs.event = fs.event | ClockEventWeek
	}
	if fs.OnMonthTimerFunc != nil {
		fs.event = fs.event | ClockEventMonth
	}
	if fs.OnShutdownFunc != nil {
		fs.event = fs.event | ClockEventShutdown
	}

	ClockMgrSingleton.RegisterSinker(fs)
}