class_name PlayerState
extends RefCounted

signal changed

var data: Dictionary = {}
var _game_config


func setup(player_data: Dictionary, game_config = null) -> void:
	data = player_data
	_game_config = game_config
	changed.emit()


func set_data(player_data: Dictionary) -> void:
	data = player_data
	changed.emit()


func player_data() -> Dictionary:
	return data


func token() -> String:
	return str(data.get("token", ""))


func int_value(key: String, fallback: int = 0) -> int:
	return int(data.get(key, fallback))


func set_value(key: String, value: Variant) -> void:
	data[key] = value
	changed.emit()


func add_exp(add_exp: int) -> void:
	if add_exp <= 0:
		return
	var level := int(data.get("level", 1))
	var next_exp := int(data.get("exp", 0)) + add_exp
	var max_level := _max_player_level()
	while level < max_level:
		var exp_max := _player_exp_max(level)
		if next_exp < exp_max:
			break
		next_exp -= exp_max
		level += 1
		data["get_level_gift"] = 0
	if level >= max_level:
		next_exp = mini(next_exp, _player_exp_max(level))
	data["level"] = level
	data["exp"] = maxi(next_exp, 0)
	changed.emit()


func replace_land(land_data: Dictionary) -> void:
	if land_data.is_empty():
		return
	var land_list = data.get("landList", [])
	if not land_list is Array:
		data["landList"] = [land_data.duplicate(true)]
		changed.emit()
		return

	var target_position := int(land_data.get("position", -1))
	var replaced := false
	for index in range(land_list.size()):
		if land_list[index] is Dictionary and int(land_list[index].get("position", -1)) == target_position:
			land_list[index] = land_data.duplicate(true)
			replaced = true
			break
	if not replaced:
		land_list.append(land_data.duplicate(true))
	data["landList"] = land_list
	changed.emit()


func _player_exp_max(level: int) -> int:
	if _game_config != null and _game_config.has_method("get_player_exp_max"):
		return maxi(int(_game_config.get_player_exp_max(level)), 1)
	return maxi(level, 1)


func _max_player_level() -> int:
	if _game_config != null and _game_config.has_method("get_max_player_level"):
		return maxi(int(_game_config.get_max_player_level()), 1)
	return 60