@tool
extends Node

signal stage_updated(event_name: StringName, stage: int)


func _ready() -> void:
	if Engine.is_editor_hint():
		return
	# 0demo 1release
	set_stage("release_stage", GlobalConfig.RELEASE_STAGE)


func get_chapter_stage() -> int:
	return get_stage("current_chapter_stage")


func get_stage(event_name: StringName) -> int:
	if not ArchiveManager.archive or ArchiveManager.archive.event_stage == null:
		printerr("[EventManager] Archive or event_stage is null.")
		return 0
	var val = ArchiveManager.archive.event_stage.get(event_name, 0)
	return val


# default 为 0，首次更新为 1
func set_stage(event_name: StringName, stage := 1) -> void:
	if not ArchiveManager.archive or ArchiveManager.archive.event_stage == null:
		printerr("[EventManager] Archive or event_stage is null.")
		return
	ArchiveManager.archive.event_stage[event_name] = stage
	# print before emit
	print("[EventManager] Stage updated: %s, stage: %s" % [event_name, stage])
	stage_updated.emit(event_name, stage)
	# 如果是 handnote_ 事件，玩家进行记笔记动作
	if (
		SceneManager.is_node_ready()
		and SceneManager.get_player()
		and SceneManager.get_player().character.begins_with("吕萍")
	):
		if event_name == &"current_chapter_stage":
			# 章节更新
			pass
		elif event_name.begins_with("handnote_"):
			# 笔记条目更新
			# 0 初始化隐藏，1 开始显示，2 划掉，3 结束隐藏
			if stage == 1:
				SceneManager.lock_player(3.0, 16, true)
				SceneManager.pop_notification("ui_notify_note_update")


# 仅在设置的 stage > 当前 stage 时更新，相等或小于时不更新
func set_stage_if_greater(event_name: StringName, stage := 1) -> bool:
	var current_stage = get_stage(event_name)
	if stage > current_stage:
		set_stage(event_name, stage)
		return true
	return false


# stage 最大 99999
func next_staged(event_name: StringName, stage_max := 99999) -> void:
	var current_stage = get_stage(event_name)
	if current_stage < stage_max:
		set_stage(event_name, current_stage + 1)


##### 其他事件 #####


func prop_interacted(e_name, prop_key, interacted_times) -> void:
	print("Event: %s interacted with %s. total times: %s" % [e_name, prop_key, interacted_times])


##### TOOL 方法

# event_name -> {stages:PackedStringArray, update_time:int}
var _debug_event_stage_dict := {}


# return: stages
func get_event_stage_map_array(event_name: StringName) -> PackedStringArray:
	if not Engine.is_editor_hint():
		return PackedStringArray()
	var current_dict = _debug_event_stage_dict.get(event_name)
	var time_msec = Time.get_ticks_msec()
	# 3秒更新
	if current_dict and time_msec - current_dict["update_time"] < 3000:
		return current_dict["stages"]
	# 文件: res://asset/dialogue/event_stage.dialogue
	var event_stage_resource = load("uid://dohpsb4jttuv1") as DialogueResource
	for title in event_stage_resource.get_titles():
		var lines = await Util.get_lines(event_stage_resource, title)
		for line in lines:
			var line_text = line.text.strip_edges()
			var e_name = line.character
			if line_text.begins_with("#"):
				continue
			#c03_invite_xchan_supper: 0:未开始 1:已偷听，需邀请 2:已完成邀请
			var parts = line_text.split(" ")
			var stages = PackedStringArray()
			for id in range(0, len(parts)):
				var tuple = parts[id].split(":")
				if len(tuple) == 2:
					var event_stage = int(tuple[0])
					if stages.size() < event_stage + 1:
						stages.resize(event_stage + 1)
					stages[event_stage] = tuple[1]
			for id in len(stages):
				if stages[id] == "":
					stages[id] = str(id)
			_debug_event_stage_dict[e_name] = {
				"stages": stages,
				"update_time": time_msec,
			}
	if _debug_event_stage_dict.has(event_name):
		prints("reload", event_name, "stages:", _debug_event_stage_dict[event_name]["stages"])
		return _debug_event_stage_dict[event_name]["stages"]
	return PackedStringArray()


# map stage_id->name, 必定保持相同长度的数组
func map_event_stages(
	event_name: StringName, stages: Array, including_id := true
) -> PackedStringArray:
	var result = PackedStringArray()
	result.resize(stages.size())
	var dict = await get_event_stage_map_array(event_name)
	for id in range(stages.size()):
		var stage = stages[id]
		if dict.size() > stage:
			if including_id:
				result[id] = str(stage) + ":" + dict[stage]
		else:
			result[id] = str(stage)
	return result