extends CharacterBody3D
class_name Character

@onready var collision: CollisionShape3D = (%Collision)
@onready var pushbox: Hitbox = (%Pushbox as Hitbox)
@onready var status: Status = (%Status as Status)
@onready var view: View = (%View as View)
@onready var buff: Buff = (%Buff as Buff)
@onready var skill: Skill = (%Skill as Skill)
@onready var battle: Battle = (%Battle as Battle)
@onready var effect: Effect = (%Effect as Effect)
@onready var move: Move = (%Move as Move)


func init(id: int, cfg: CharacterCfg, team: Enum.ETeam, owner_id: int):
    status.id = id
    status.owner_id = owner_id
    status.team = team
    status.cfg = cfg

    view.init(cfg.sprite_frames)
    skill.init()
    effect.init(cfg.type)
    effect.cast_self_particle()
    set_body_scale(cfg)


func init_after():
    var cfg: CharacterCfg = status.cfg as CharacterCfg
    set_status("hp_max", cfg.hp_max)
    set_status("shield_max", cfg.shield.shield_max)
    set_status("stun_max", cfg.stun.stun_max)
    set_status("mp_max", cfg.mp.mp_max)
    set_status("mp_sub_max", cfg.mp.mp_sub_max)
    set_status("hp", cfg.hp_max)
    set_shield(cfg.shield.shield_max)
    add_mp_sub(0, true)


func set_body_scale(cfg: CharacterCfg) -> void:
    if not cfg:
        cfg = status.cfg
    if not cfg:
        return
    var height: float        = Setting.pixel_size * cfg.sprite_height
    var width: float         = Setting.pixel_size * cfg.sprite_width
    var body_scale: Vector3  = Vector3(width, height, width)
    var half_height: float   = height / 2
    var center_height: float = Setting.pixel_size * 26
    collision.position = Vector3(0, half_height, 0)
    collision.scale = body_scale
    pushbox.position = Vector3(0, half_height, 0)
    pushbox.scale = body_scale
    status.basic_offset = Vector3(0, center_height, randf()*0.001)
    status.ui_offset = Vector3(0, height*1.25, 0)
    status.ui_center_offset = Vector3(0, center_height, 0)
    status.radius = width
    status.height = height
    effect.set_body_scale(body_scale)


func set_material(material: ShaderMaterial, material_sub: ShaderMaterial):
    view.material_override = material
    view.material_override.next_pass = material_sub


func is_on_stair()->bool:
    if velocity.x > 0:
        if raycast_stair(Vector3.RIGHT): return true
    elif velocity.x < 0:
        if raycast_stair(Vector3.LEFT): return true
    if velocity.z > 0:
        if raycast_stair(Vector3.BACK): return true
    elif velocity.z < 0:
        if raycast_stair(Vector3.FORWARD): return true
    return false


func raycast_stair(dir: Vector3)->bool:
    var width: float  = Setting.pixel_size * status.cfg.sprite_width
    var from: Vector3 = position + (Vector3.UP * Setting.pixel_size * 6) + (dir * width * 0.4)
    var to: Vector3   = from + dir * width * 0.2
    var up: Vector3   = to + Vector3.UP * Setting.pixel_size * 4
    return Util.raycast_wall(from, to) and Util.raycast_wall(up, to)


#==getter==
func id()->int: return status.id


func cfg()->CharacterCfg: return status.cfg


func team()->Enum.ETeam: return status.team


func pos2D()->Vector2: return Vector2(position.x, position.z)


func pos()->Vector3: return position


func radius()->float: return status.radius


func height()->float: return status.height


func view_pos()->Vector3: return position + view.position


func ui_pos()->Vector3: return position + status.ui_offset


func ui_pos_center()->Vector3: return position + status.ui_center_offset


func target()->int: return status.target


func is_right()->bool: return status.is_right


#==interface==
func get_status(status_name: String) -> Variant: return status.get_status(status_name)


func set_status(status_name: String, value): status.set_status(status_name, value)


func set_shield(value: float):
    status.set_shield(value)


func set_pos(pos: Vector3):
    position = pos
    SignalManager.character_pos_changed.emit(id(), pos())


func move_to(dir: Vector2): set_status("move_dir", dir.normalized())


func move_stop():
    set_status("move_dir", Vector2.ZERO)
    move.stop()


func add_buff(buff_name: String, duration: float, ignore_pause: bool = false): buff.add_buff(buff_name, duration, ignore_pause)


func remove_buff(buff_name: String): buff.remove_buff(buff_name)


func has_buff(buff_name: String)->bool: return buff.has_buff(buff_name)


func set_hit_move(hit_back_dir: Vector2, hit_back_speed: float, hit_up_speed: float):
    status.hit_back_dir = hit_back_dir
    status.hit_back_speed = hit_back_speed
    status.hit_up_speed = hit_up_speed


func set_pause_time(pause_time: float):
    status.pause_time=pause_time
    add_buff("pause", pause_time)


func cancel_skill():
    skill.cancel_skill()


func set_view_trigger(trigger_name: String):
    status.set("trigger_%s" % trigger_name, true)


func show_hit_text(value: String):
    SignalManager.character_hit_text.emit(id(), value)


func show_hit_damage(value: float):
    SignalManager.character_hit_damage.emit(id(), value)


func add_mp_sub(value: float, from_battle: bool):
    battle.add_mp_sub(value, from_battle)


func cost_mp(value: int):
    battle.cost_mp(value)


func set_target(target: int):
    set_status("target", target)


func set_is_lock(value: bool):
    set_status("is_lock", value)


func cast_particle(resource: Resource, is_attach: bool, offset: Vector3 = Vector3.ZERO, scale: Vector3 = Vector3.ONE):
    effect.cast_particle(resource, is_attach, offset, scale)


func get_character_owner() -> Character:
    var owner: Character = Global.character_mgr.get_character(status.owner_id) as Character
    if owner: return owner
    return self


func attack1() -> bool:
    return battle.character_attack1()


func attack2() -> bool:
    return battle.character_attack2()