class_name Player extends Entity

@export var GRAVITY = 30
@export var JUMP_FORCE = 500

@onready var animated_sprite = $AnimatedSprite2D
@onready var attack_timer = $AttackTimer
@onready var collider = $CollisionShape2D
@onready var punch_hitbox = $PunchHitbox
@onready var death_timer = $DeathTimer
@onready var player_hurt_sfx = $PlayerHurtSfx
@onready var player_death_sfx = $PlayerDeathSfx
@onready var hurt_timer = $HurtTimer
@onready var health_bar = $HealthBar
@onready var punch_vfx = $PunchHitbox/AnimatedSprite2D

var jumping = false
var facing_right = true
var right_punch = false
var hurting = false
var is_dying = false
var is_death_sfx = false

const ATTACK_DAMAGE = 20 
const INITIAL_HEALTH = 50
const SPEED_MULTIPLIER = 300
const ATTACK_KNOCKBACK = 5000

func _init() -> void: 
	super._init(INITIAL_HEALTH, SPEED_MULTIPLIER, ATTACK_DAMAGE)

func _ready():
	animated_sprite.play("idle")
	punch_hitbox.body_entered.connect(punch_connect)
	punch_hitbox.visible = false

func _physics_process(delta):
	if is_on_floor():
		# allow the player to jump
		if jumping:
			jumping = false
			
		if Input.is_action_just_pressed("jump"):
			velocity.y = -JUMP_FORCE
			jumping = true
			animated_sprite.play("jump")
	else:
		# apply gravity
		velocity.y += GRAVITY
		if velocity.y > 1000:
			velocity.y = 1000
	
	if is_dying and !player_death_sfx.playing:
		player_death_sfx.play()	
	elif hurting and !player_hurt_sfx.playing and death_timer.is_stopped():
		player_hurt_sfx.play()

	# perform horizontal movement
	var horizontal_direction = Input.get_axis("move_left", "move_right")
	velocity.x = speed * horizontal_direction
	move_and_slide()
	
	# ensure the player faces the correct direction
	if horizontal_direction > 0 && !facing_right:
		animated_sprite.flip_h = false
		punch_hitbox.rotate(PI)
	elif horizontal_direction < 0 && facing_right:
		animated_sprite.flip_h = true
		punch_hitbox.rotate(PI)
	
	if horizontal_direction != 0:
		facing_right = horizontal_direction > 0
	
	super._physics_process(delta)
	
	punch_hitbox.visible = true if !attack_timer.is_stopped() else false
	
func punch_connect(node: Node):
	if node is Entity and node != self and !attack_timer.is_stopped():
		node.health -= damage
		node.take_knockback(ATTACK_KNOCKBACK)
		if node.has_method("hurt_anim"):
			node.call("hurt_anim")
			
func hurt_anim():
	hurting = true
	hurt_timer.start()

func _process(delta: float) -> void:
	if health <= 0:
		is_dying = true
		death_timer.start()
		health = 99999
		
	if is_dying:
		
		animated_sprite.play("death")
		punch_hitbox.visible = false
		speed = 0
		
		# Reset to start on death
		if death_timer.is_stopped():
			get_tree().change_scene_to_file("res://MainMenu.tscn")
	
	if attack_timer.is_stopped() and Input.is_action_just_pressed("attack"):
		attack_timer.start()
		punch_vfx.play("default")
		
		if is_on_floor():
			animated_sprite.play("Right" if right_punch else "Left")
			right_punch = !right_punch
		else:
			animated_sprite.play("slam")
			
	elif attack_timer.is_stopped() and !hurting and !is_dying and !jumping:
		var horizontal_direction = Input.get_axis("move_left", "move_right")
		if is_on_floor() && horizontal_direction != 0:
			animated_sprite.play("walk")
		else:
			animated_sprite.play("idle")
		
	if !hurt_timer.is_stopped():
		animated_sprite.play("hurt")
	else:
		hurting = false
		
	var health_percentage = health * 100 / INITIAL_HEALTH
	if is_dying:
		health_bar.play("0")
	elif health_percentage > 80:
		health_bar.play("100")
	elif health_percentage > 60:
		health_bar.play("80")
	elif health_percentage > 40:
		health_bar.play("40")
	elif health_percentage > 20:
		health_bar.play("20")