extends CanvasLayer

signal exit(success: bool)


var c03_dialog = preload("uid://b66v5hsf3tdox")

var mahjongs = {
	"三条": preload("uid://b2ectbek7vksi"),
	"三筒": preload("uid://b2pypf81rgqkw"),
	"九筒": preload("uid://dis6qtf1hvop2"),
	"二筒": preload("uid://doxc87cp3e8i4"),
	"伍万": preload("uid://bo4hrg3sqpoou"),
	"一条": preload("uid://dduhqah1p81tb"),
	"一筒": preload("uid://dwyk0e1c2eg37")
}

var answer_of_in_hand_mahjongs = {
	preload("uid://bo4hrg3sqpoou"): "伍万",
	preload("uid://b2ectbek7vksi"): "三条"
}

@onready var box_init_btn = %"0"
@onready var box_mahjongs_btn: Array[TextureButton] = [%"1", %"2", %"3", %"4", %"5", %"6", %"7", %"8", %"9", %"10", %"11"]
@onready var hand_mahjongs_btn: Array[TextureButton] = [%"12", %"13"]

var freezing = true
var success = false

func _ready() -> void:
	layer = GlobalConfig.CANVAS_LAYER_LITTLE_GAME
	_toggle_activation_for_all(false)
	if not SceneManager.has_prop("prop_麻将2"):
		%"12".visible = false
		SceneManager.pop_center_notification("input_麻将游戏_麻将不足")
		await Util.wait(3.0)
		exit.emit(false)
		return
	box_init_btn.pressed.connect(_start_game)
	box_init_btn.mouse_entered.connect(_toggle_activation.bind(box_init_btn, true))
	box_init_btn.mouse_exited.connect(_toggle_activation.bind(box_init_btn, false))
	for b in box_mahjongs_btn:
		b.mouse_entered.connect(_toggel_hover.bind(b, true))
		b.mouse_exited.connect(_toggel_hover.bind(b, false))
		b.pressed.connect(_on_btn_pressed.bind(b))
	for b in hand_mahjongs_btn:
		b.mouse_entered.connect(_toggel_hover.bind(b, true))
		b.mouse_exited.connect(_toggel_hover.bind(b, false))
		b.pressed.connect(_on_btn_pressed.bind(b))
	

func _start_game() -> void:
	$SfxStart.play()
	SceneManager.pop_center_notification("input_麻将游戏_操作规则")
	box_init_btn.queue_free()
	freezing = false


func _toggel_hover(btn: TextureButton, hovering: bool) -> void:
	if freezing:
		return
	if activated_btn and btn == activated_btn:
		return
	_toggle_activation(btn, hovering)


var activated_btn: TextureButton

func _on_btn_pressed(btn: TextureButton) -> void:
	if freezing:
		return
	if btn != activated_btn:
		if activated_btn:
			_exchange_texture(btn, activated_btn)
			_toggle_activation(btn, false)
			_toggle_activation(activated_btn, false)
			activated_btn = null
		else:
			$SfxSelect.play()
			_toggle_activation(btn, true)
			activated_btn = btn
	else:
		$SfxSelect.play()
		_toggle_activation(btn, false)
		activated_btn = null
	_check_if_success()


func _exchange_texture(btn1: TextureButton, btn2: TextureButton) -> void:
	if btn1 and btn2:
		$SfxSwitch.play()		
		var texture = btn1.texture_normal
		btn1.texture_normal = btn2.texture_normal
		btn2.texture_normal = texture


func _toggle_activation(btn: TextureButton, hightlight: bool) -> void:
	if null == btn:
		return
	btn.get_node("光束").enabled = hightlight


func _toggle_activation_for_all(activated: bool) -> void:
	if box_init_btn:
		_toggle_activation(box_init_btn, activated)
	for b in box_mahjongs_btn:
		_toggle_activation(b, activated)
	for b in hand_mahjongs_btn:
		_toggle_activation(b, activated)


func _check_if_success() -> void:
	success = true
	for hb in hand_mahjongs_btn:
		if not hb.texture_normal in answer_of_in_hand_mahjongs:
			success = false
			break
	if success:
		var animation_player = $AnimationPlayer as AnimationPlayer
		$SfxSuccess.play()
		freezing = true
		SceneManager.disable_prop_item("prop_麻将")
		SceneManager.disable_prop_item("prop_麻将2")
		# 下一阶段
		EventManager.set_stage_if_greater("c03_mahjong_game", 1)
		DialogueManager.show_dialogue_balloon(c03_dialog, "c03_s04_整理麻将游戏0")
		animation_player.play("take_to_the_desk")
		await DialogueManager.dialogue_ended
		if animation_player.is_playing():
			await animation_player.animation_finished
		DialogueManager.show_dialogue_balloon(c03_dialog, "c03_s04_整理麻将游戏1", [GlobalConfig.DIALOG_IGNORE_INPUT])
		SceneManager.black_transition(0.7, 7.0)
		ArchiveManager.runtime_set("c03_mahjong_game_black_transition_time", 7.0)
		await Util.wait(1.0)
		exit.emit(true)