package main

import "net/http"

type levelUpAchievement struct {
	GetName    func() string
	GetText    func() string
	GetKeyName func() string
	// Processes the message, returns true if the achievement was triggered
	ProcessMessage func(ustat *UserLevelUpStats, m *Message) bool
}

func (achieve *levelUpAchievement) DoesUserHave(ustat *UserLevelUpStats) bool {
	//val, ok := ustat.Achievements[achieve.GetKeyName()]
	//if ustat.Achievements
	return false
}

type levelUpAchieveStatProcessor struct {
	Achievements []levelUpAchievement
}

func (p *levelUpAchieveStatProcessor) GetName() string {
	return "LevelUp Achievements"
}

func (p *levelUpAchieveStatProcessor) GetStatKeys() []string {
	return []string{
		"levelupachievement-*",
	}
}

// UserLevelUpStats is just a struct for caching user data...
// This processor needs to crunch a lot of numbers, this should make
// it quicker/easier
type UserLevelUpStats struct {
	Name         string
	Xp           int
	ChannelStats map[string]int
	OtherStats   map[string]int
	Achievements map[string]bool
	CurrentMsg   *Message
	CurrentCh    *Channel
}

func (p *levelUpAchieveStatProcessor) ProcessMessage(m *Message) {
	var u *User
	var err error
	if u, err = getUserInfo(m.User); err != nil {
		return
	}

	userStat := UserLevelUpStats{Name: u.Name, CurrentMsg: m}
	userStat.Xp, _ = getUserStat(u.ID, "levelup-xp")
	userStat.ChannelStats = getAllLevelUpChannelXp(u.ID)
	userStat.OtherStats = getAllNonLevelUpStats(u.ID)
	userStat.Achievements = getAllUserAchievements(u.ID)
	chnl, err := getChannelInfo(m.Channel)
	if err == nil {
		userStat.CurrentCh = chnl
	}

	for _, achieve := range p.Achievements {
		if !achieve.DoesUserHave(&userStat) {
			// User doesn't already have this achieve, let it process the message
			achieve.ProcessMessage(&userStat, m)
		}
	}
}
func (p *levelUpAchieveStatProcessor) ProcessAdminMessage(m *Message) {}
func (p *levelUpAchieveStatProcessor) ProcessBotMessage(m *Message)   {}

func (p *levelUpAchieveStatProcessor) ProcessUserMessage(m *Message)      {}
func (p *levelUpAchieveStatProcessor) ProcessAdminUserMessage(m *Message) {}
func (p *levelUpAchieveStatProcessor) ProcessBotUserMessage(m *Message)   {}

func (p *levelUpAchieveStatProcessor) ProcessChannelMessage(m *Message) {
}
func (p *levelUpAchieveStatProcessor) ProcessAdminChannelMessage(m *Message) {}
func (p *levelUpAchieveStatProcessor) ProcessBotChannelMessage(m *Message)   {}

/*
 * Web Site Module
 */
type levelUpAchieveWebModule struct{}

func (wm *levelUpAchieveWebModule) GetName() string {
	return "LevelUp Achievement Web Module"
}
func (wm *levelUpAchieveWebModule) GetRoutes() map[string]func(http.ResponseWriter, *http.Request) {
	ret := make(map[string]func(http.ResponseWriter, *http.Request))
	ret["/levelup/achieve"] = wm.handleLevelUpAchieveGeneral
	ret["/levelup/achieve/admin"] = wm.handleLevelUpAchieveAdmin
	return ret
}
func (wm *levelUpAchieveWebModule) Register() {
	for k, v := range wm.GetRoutes() {
		r.HandleFunc(k, v)
	}
}
func (wm *levelUpAchieveWebModule) GetMenuEntries() []menuItem {
	var ret []menuItem
	//ret = append(ret, menuItem{Text: "Achieve GET!", Link: "/levelup/achieve"})
	return ret
}
func (wm *levelUpAchieveWebModule) GetBottomMenuEntries() []menuItem {
	var ret []menuItem
	return ret
}

func (wm *levelUpAchieveWebModule) handleLevelUpAchieveAdmin(w http.ResponseWriter, req *http.Request) {
	// TODO: Test for admin login
	initRequest(w, req)
}

func (wm *levelUpAchieveWebModule) handleLevelUpAchieveGeneral(w http.ResponseWriter, req *http.Request) {
	initRequest(w, req)
	//setMenuItemActive("Achieve GET!")
}

/*
 * Achieve Stat Processor Initialization
 * It's down here because it's so long what with all
 * of it's achievements and such.
 */
func (p *levelUpAchieveStatProcessor) Initialize() {
	// TODO: Set up achievements
	p.Achievements = append(p.Achievements,
		// Early Bird Achievement
		levelUpAchievement{
			GetName: func() string {
				return "Early Bird"
			},
			GetText: func() string {
				return "You seem to enjoy chatting before 7 AM"
			},
			GetKeyName: func() string {
				return "levelup-achieve-earlybird"
			},
			ProcessMessage: func(u *UserLevelUpStats, m *Message) bool {
				// TODO: What condition makes this happen?
				if m.Time.Hour() > 3 && m.Time.Hour() < 7 {
					numMsgs := 0
					numMsgs = numMsgs + u.OtherStats["message-hour-04"]
					numMsgs = numMsgs + u.OtherStats["message-hour-05"]
					numMsgs = numMsgs + u.OtherStats["message-hour-06"]
					/*
						if chnl.Name == "random" {
							addUserStat(m.User, "levelup-xp", 1)
						} else if chnl.Name == "general" {
							addUserStat(m.User, "levelup-xp", 2)
						} else {
							addUserStat(m.User, "levelup-xp", 3)
							addUserStat(m.User, "levelup-xp-"+chnl.Name, 1)
						}
					*/
				}
				return false
			},
		},
	)

	p.Achievements = append(p.Achievements,
		// Night Owl Achievement
		levelUpAchievement{
			GetName: func() string {
				return "Night Owl"
			},
			GetText: func() string {
				return "You seem to enjoy chatting after 12 AM"
			},
			GetKeyName: func() string {
				return "levelup-achieve-nightowl"
			},
			ProcessMessage: func(u *UserLevelUpStats, m *Message) bool {
				// TODO: What condition makes this happen?
				return false
			},
		},
	)

	p.Achievements = append(p.Achievements,
		// Around the Clock Achievement
		levelUpAchievement{
			GetName: func() string {
				return "Around the Clock"
			},
			GetText: func() string {
				return "You have sent at least one message in every hour of the day"
			},
			GetKeyName: func() string {
				return "levelup-achieve-aroundtheclock"
			},
			ProcessMessage: func(u *UserLevelUpStats, m *Message) bool {
				// TODO: What condition makes this happen?
				return false
			},
		},
	)

	p.Achievements = append(p.Achievements,
		// Beginner Achievement
		levelUpAchievement{
			GetName: func() string {
				return "Beginner"
			},
			GetText: func() string {
				return "Get on the XP Chart"
			},
			GetKeyName: func() string {
				return "levelup-achieve-beginner"
			},
			ProcessMessage: func(u *UserLevelUpStats, m *Message) bool {
				// TODO: What condition makes this happen?
				return false
			},
		},
	)

	p.Achievements = append(p.Achievements,
		// Experienced Achievement
		levelUpAchievement{
			GetName: func() string {
				return "Experienced"
			},
			GetText: func() string {
				return "Reach level 5"
			},
			GetKeyName: func() string {
				return "levelup-achieve-experienced"
			},
			ProcessMessage: func(u *UserLevelUpStats, m *Message) bool {
				// TODO: What condition makes this happen?
				return false
			},
		},
	)

	p.Achievements = append(p.Achievements,
		// Super Advanced! Achievement
		levelUpAchievement{
			GetName: func() string {
				return "Super Advanced!"
			},
			GetText: func() string {
				return "Reach level 10"
			},
			GetKeyName: func() string {
				return "levelup-achieve-superadvanced"
			},
			ProcessMessage: func(u *UserLevelUpStats, m *Message) bool {
				// TODO: What condition makes this happen?
				return false
			},
		},
	)
}