package main

import (
	"log"

	"muhq.space/muhqs-game/go/activities"
	"muhq.space/muhqs-game/go/game"
	"muhq.space/muhqs-game/go/ui"
)

const (
	START_BUTTON_WIDTH  = 175
	START_BUTTON_HEIGHT = 50

	DECK_LIST_WIDTH  = 350
	DECK_LIST_HEIGHT = 500
)

type startMenu struct {
	ui.Collection
	app *app

	deckInput *ui.TextInput

	draft  *activities.Draft
	sealed *activities.Sealed

	playerName string
	startDeck  string
	remote     string
	mapPath    string
}

func NewStartMenu(app *app) *startMenu {
	m := &startMenu{app: app}

	return m
}

func (m *startMenu) build() {
	deckInput := ui.NewTextInput(
		(m.Width-DECK_LIST_WIDTH)/2,
		(m.Height-DECK_LIST_HEIGHT)/2,
		DECK_LIST_WIDTH,
		DECK_LIST_HEIGHT,
		"deck",
		true,
	)
	deckInput.Bg(ui.Gray)

	if m.startDeck != "" {
		deckInput.AddInput([]rune(m.startDeck))
	}

	m.deckInput = deckInput
	m.AddWidget(deckInput)

	m.AddWidget(ui.NewFixedTextBox(
		(m.Width-START_BUTTON_WIDTH)/2-START_BUTTON_WIDTH,
		deckInput.Y-START_BUTTON_HEIGHT,
		START_BUTTON_WIDTH,
		START_BUTTON_HEIGHT,
		"map:",
	).Centering(true))

	mapInput := ui.NewTextInput(
		(m.Width-START_BUTTON_WIDTH)/2,
		deckInput.Y-START_BUTTON_HEIGHT,
		START_BUTTON_WIDTH,
		START_BUTTON_HEIGHT,
		"map",
		false,
	)

	if m.mapPath != "" {
		mapInput.AddInput([]rune(m.mapPath))
	}

	m.AddWidget(mapInput)

	m.AddWidget(ui.NewFixedTextBox(
		(m.Width-START_BUTTON_WIDTH)/2-START_BUTTON_WIDTH,
		mapInput.Y-START_BUTTON_HEIGHT,
		START_BUTTON_WIDTH,
		START_BUTTON_HEIGHT,
		"name:",
	).Centering(true))

	playerInput := ui.NewTextInput(
		(m.Width-START_BUTTON_WIDTH)/2,
		mapInput.Y-START_BUTTON_HEIGHT,
		START_BUTTON_WIDTH,
		START_BUTTON_HEIGHT,
		"player name",
		false,
	)

	if m.playerName != "" {
		playerInput.AddInput([]rune(m.playerName))
	}

	m.AddWidget(playerInput)

	m.AddWidget(ui.NewSimpleButton(
		(m.Width-START_BUTTON_WIDTH)/2+START_BUTTON_WIDTH/2,
		deckInput.Y+deckInput.Height,
		START_BUTTON_WIDTH,
		START_BUTTON_HEIGHT,
		"Sealed",
		func(*ui.SimpleButton) {
			sealed := activities.NewSealed(m.Width, m.Height)
			activities.PushActivity(sealed)
		}))

	m.AddWidget(ui.NewSimpleButton(
		(m.Width-START_BUTTON_WIDTH)/2-START_BUTTON_WIDTH/2,
		deckInput.Y+deckInput.Height,
		START_BUTTON_WIDTH,
		START_BUTTON_HEIGHT,
		"Draft",
		func(*ui.SimpleButton) {
			m.draft = activities.NewLocalDraft(m.Width, m.Height, playerInput.Text())
			activities.PushActivity(m.draft)
		}))

	m.AddWidget(ui.NewSimpleButton(
		(m.Width-START_BUTTON_WIDTH)/2,
		deckInput.Y+deckInput.Height+START_BUTTON_HEIGHT+20,
		START_BUTTON_WIDTH,
		START_BUTTON_HEIGHT,
		"Start",
		func(*ui.SimpleButton) {
			m.playerName = playerInput.Text()
			m.mapPath = mapInput.Text()
			m.startDeck = deckInput.Text()
			m.startGame()
		}))
	m.AddWidget(ui.NewSimpleButton(
		(m.Width-START_BUTTON_WIDTH)/2,
		deckInput.Y+deckInput.Height+2*START_BUTTON_HEIGHT+40,
		START_BUTTON_WIDTH,
		START_BUTTON_HEIGHT,
		"Challenges",
		func(*ui.SimpleButton) {
			activities.PushActivity(newChallengesMenu(m.app, playerInput.Text()))
		}))
}

func (m *startMenu) Update() error {
	if m.Widgets() == nil {
		m.build()
	}

	// Get the drafted deck
	if m.draft != nil {
		m.deckInput.SetInput(m.draft.GetDeckList())
		m.draft = nil
	}

	// Get the sealed deck
	if m.sealed != nil {
		m.deckInput.SetInput(m.sealed.Deck.ToList())
		m.sealed = nil
	}

	if err := ui.Update(); err != nil {
		return err
	}

	return m.Collection.Update()
}

func (m *startMenu) Layout(width, height int) (int, int) {
	return m.Width, m.Height
}

func (m *startMenu) startGame() {
	var state game.State
	if m.remote != "" {
		log.Fatal("Remote games are currently not implemented")
	} else {
		state = game.NewLocalState()
	}

	g := newGame(m.app, state).loadMap(m.mapPath).addActivePlayer(m.playerName, m.startDeck)

	if m.mapPath == "the-kraken" {
		g.gameState.AddNewAiPlayer("kraken")
	}

	activities.PushActivity(g.Start())
}