class_name WeaponSword
extends WeaponBase

const WEAPON_SWORD_PROJECTILE = preload("res://scenes/weapons/weapon_sword_projectile.tscn")

@onready var targeting_range: Area2D = $TargetingRange
@onready var targeting_range_shape: CollisionShape2D = $TargetingRange/CollisionShape2D

signal projectile_hit(projectile: WeaponSwordProjectile, enemy: EnemyBase)

var _player: Player


func _ready() -> void:
	targeting_range_shape.shape.radius = attack_range
	projectile_hit.connect(_on_projectile_hit)
	_player = get_tree().get_first_node_in_group(GlobalConst.GROUP_PLAYER)


func do_attack() -> void:
	var target: EnemyBase = find_target_in_radius()
	if not target:
		return

	var projectile = WEAPON_SWORD_PROJECTILE.instantiate()
	projectile.target = target
	projectile.on_hit_sig = projectile_hit
	add_child(projectile)


func _do_active() -> void:
	var radius = targeting_range_shape.shape.radius
	var count = 15
	for i in count:
		var angle = TAU * float(i) / float(count)
		var target_pos = Vector2(cos(angle), sin(angle)) * radius
		var new_target := Marker2D.new()
		new_target.global_position = global_position + target_pos
		var projectile = WEAPON_SWORD_PROJECTILE.instantiate()
		projectile.damage_mult = 3.0
		projectile.target = new_target
		projectile.on_hit_sig = projectile_hit
		add_child(projectile)


func deal_damage(enemy: EnemyBase, damage_mult: float):
	var weapon_crit = get_calculated("attack_crit_chance")
	var player_crit = _player.player_stats.get_final("crit_chance", _player.modifiers)
	var damage = get_calculated("attack_damage")
	var is_crit = randf() >= 1 - weapon_crit + player_crit
	if is_crit:
		damage *= _player.player_stats.get_final("crit_multiplier", _player.modifiers)
	enemy.take_damage(damage * damage_mult, is_crit)


func _on_projectile_hit(projectile: WeaponSwordProjectile, enemy: EnemyBase, damage_mult: float):
	deal_damage(enemy, damage_mult)