extends Node3D
class_name Combo

@onready var character: Character = (get_owner() as Character)
@onready var status: Status = (%Status as Status)
@onready var skill: Skill = (%Skill as Skill)
@onready var move: Move = (%Move as Move)
@onready var core: Core = (%Core as Core)
@onready var battle: Battle = (%Battle as Battle)


class InputData:
	var action: String
	var alive_time: float
	var is_switch: bool

var input_list: Array[InputData] = [] #指令缓存


func _ready():
	# test
	add_basic_skill()
	add_weapon(load("res://config/weapon/long.tres") as WeaponCfg)
	add_weapon(load("res://config/weapon/short.tres") as WeaponCfg)
	add_weapon(load("res://config/weapon/fist.tres") as WeaponCfg)

	core.set_active_core(0, load("res://config/core/hero01_remote01.tres") as CoreCfg)
	core.set_active_core(1, load("res://config/core/monster03_slash01.tres") as CoreCfg)
	core.set_active_core(2, load("res://config/core/monster03_slash02.tres") as CoreCfg)
	core.set_active_core(3, load("res://config/core/monster03_slash03.tres") as CoreCfg)

	core.set_active_core(4, load("res://config/core/hero01_remote01.tres") as CoreCfg)
	core.set_active_core(5, load("res://config/core/monster03_slash01.tres") as CoreCfg)
	core.set_active_core(6, load("res://config/core/monster03_slash02.tres") as CoreCfg)
	core.set_active_core(7, load("res://config/core/monster03_slash03.tres") as CoreCfg)


func _process(delta):
	update_input_alive(delta)
	update_charging()
	update_break()
	update_move()


func update_charging() -> void:
	if not status.is_charging:
		return
	var release_key: String = "%s_release" % status.skill_action_key
	for i in range(0, len(input_list)):
		var input: InputData = input_list[i]
		if not input.action == release_key:
			continue
		refresh_input(i)
		battle.on_skill_release(status.skill_cfg.get_res_name())
		break


func update_input_alive(delta):
	var input_list_new: Array[InputData] = []
	for input in input_list:
		input.alive_time -= delta
		if input.alive_time > 0:
			input_list_new.append(input)
	input_list = input_list_new


func update_break():
	for break_level_name in Enum.EBreakLevel:
		var break_level = Enum.EBreakLevel[break_level_name]
		if break_level <= status.break_level:
			var is_break: bool = false
			match break_level:
				Enum.EBreakLevel.None: is_break = update_break_none()
				Enum.EBreakLevel.Cancel: is_break = update_break_cancel()
				Enum.EBreakLevel.Jump: is_break = update_break_jump()
				Enum.EBreakLevel.Break: is_break = update_break_break()
				Enum.EBreakLevel.Walk: is_break = update_break_walk()
			if is_break:
				break


func update_break_none() -> bool:
	return update_break_by_level(Enum.EBreakLevel.None)


func update_break_cancel() -> bool:
	return update_break_by_level(Enum.EBreakLevel.Cancel)


func update_break_jump() -> bool:
	for i in range(0, len(input_list)):
		var input: InputData = input_list[i]
		if (input.action == "jump") and not status.is_jumped:
			refresh_input(i)
			skill.cancel_skill()
			move.jump()
			return true
	return false


func update_break_break() -> bool:
	return update_break_by_level(Enum.EBreakLevel.Break)


func update_break_walk() -> bool:
	if status.is_skill_running and status.input_dir.length() > 0:
		refresh_input(len(input_list))
		skill.cancel_skill()
		return true
	return false


func update_break_by_level(break_level: Enum.EBreakLevel) -> bool:
	for i in range(0, len(input_list)):
		var input: InputData = input_list[i]
		if input.is_switch:
			if core.cast_skill_by_action( input.action, status.input_dir):
				refresh_input(i)
				return true
		else:
			if input.action in skill.skill_map:
				for skill_cfg: SkillCfg in skill.skill_map[input.action]:
					#释放技能扣除mp检查
					var skill_cfg_with_cost: SkillCfg = skill.cast_skill_mp_cost_check(skill_cfg)
					if not skill_cfg_with_cost:
						continue
					#施放技能条件检查
					if not skill.cast_skill_check(skill_cfg_with_cost, break_level):
						continue
					#施放技能扣除mp
					if not skill.cast_skill_mp_cost(skill_cfg_with_cost):
						continue
					skill.cast_skill(skill_cfg_with_cost, status.input_dir, input.action)
					refresh_input(i)
					return true
	return false


func refresh_input(index: int):
	if index >= len(input_list)-1:
		input_list = []
	else:
		input_list = input_list.slice(index+1)


func update_move():
	status.move_dir = status.input_dir
	if status.is_skill_running:
		pass
	else:
		if not status.is_on_floor or status.is_jumping:
			status.stance = Enum.EStance.AirIdle
		else:
			status.stance = Enum.EStance.GroundIdle
		status.break_level = Enum.EBreakLevel.Walk


func add_input_action(action: String, is_switch: bool) -> void:
	if is_switch:
		var action_index: int = core.get_action_index(action)
		if action_index < 0:
			return
		if action_index >= 4:
			core.cast_skill_sub(action_index, status.input_dir, status.target)
			return

	var new_input = InputData.new()
	new_input.action = action
	new_input.alive_time = Setting.input_alive_time
	new_input.is_switch = is_switch
	input_list.append(new_input)


func add_weapon(weapon: WeaponCfg):
	status.weapon_list.append(weapon)
	for skill_player_weapon: SkillWeaponCfg in Util.get_skill_player_weapon_by_weapon(weapon):
		skill.add_skill(skill_player_weapon.action, skill_player_weapon)
	status.emit_status("weapon_list")
	status.set_status("weapon_index", 0)


func add_basic_skill():
	for skill_player_weapon: SkillWeaponCfg in Util.get_all_skill_player_basic():
		skill.add_skill(skill_player_weapon.action, skill_player_weapon)


func weapon_index_change(dir: int) -> void:
	if not status.weapon_list:
		return
	if status.weapon_index_change_dir:
		return
	if abs(dir) != 1:
		return
	status.set_status("weapon_index_change_dir", dir)
	character.add_buff("weapon_index_change", Setting.weapon_anime_duration)
	return