extends CharacterBody3D


const SPEED = 5.0
const MOUSE_SENSE = 0.5

@onready var animation_tree : AnimationTree = $Player_HUD/Sword_UI/Sword_Sprite/AnimationPlayer/AnimationTree
@export var health = 100
var can_swing = true 
var dead = false 

signal blocking
signal attacking

func _ready():
	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
	$Player_HUD/Sword_UI/Sword_Sprite/AnimationPlayer.animation_finished.connect(done_swinging)
	$Player_HUD/Deathscreen/Panel/Button.button_up.connect(restart)
	add_to_group("Player")
	$Player_HUD/Sword_UI/Player_Health.value = health
	
func _input(event):
	if dead:
		return 
	if event is InputEventMouseMotion:
		rotation_degrees.y -= event.relative.x * MOUSE_SENSE
		rotation_degrees.x -= event.relative.y * MOUSE_SENSE
	if Input.is_action_just_pressed("Swing"):
		swing()
	
	if Input.is_action_just_pressed("Restart"):
		restart()

func _physics_process(delta: float) -> void:
	update_animation_parameters()
	if not is_on_floor():
		velocity += get_gravity() * delta
	$Player_HUD/Sword_UI/Player_Health.value = health
	
	if velocity.x or velocity.y != 0:
		$Player_Camera/AnimationPlayer.play("Viewbob")
	
	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions
	var input_dir := Input.get_vector("move_left", "move_right", "move_forwards", "move_backwards")
	var direction := (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
	if direction:
		velocity.x = direction.x * SPEED
		velocity.z = direction.z * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)
		velocity.z = move_toward(velocity.z, 0, SPEED)
	move_and_slide()
	

func swing():
	if !can_swing:
		return
	can_swing = false 
	emit_signal("attacking")
	$Swing_Sound.play()
	if $Player_Hitscan.is_colliding() and $Player_Hitscan.get_collider().has_method("kill"):
		$Player_Hitscan.get_collider().kill()
		

func done_swinging():
	can_swing = true 

func restart():
	get_tree().reload_current_scene()
	
func kill():
	$Player_HUD/Sword_UI/Hurt.visible = true
	$Player_HUD/Sword_UI/Hurt/Hurt_Flash_Timer.start()
	
	if health == 0: 
		dead = true 
		$Player_HUD/Deathscreen.show()
		Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
		$Player_Hurtbox.disabled = true 
	else:
		return

func _on_hurt_flash_timer_timeout() -> void:
	$Player_HUD/Sword_UI/Hurt.visible = false

func block():
	emit_signal("blocking")
	$Player_HUD/Sword_UI/AnimationPlayer/Parrying_Timer.start()

func update_animation_parameters():
	if Input.is_action_just_pressed("Block"):
		animation_tree["parameters/conditions/Blocking"] = true 
		animation_tree["parameters/conditions/Idle"] = false
		animation_tree["parameters/conditions/Swinging"] = false
	else:
		animation_tree["parameters/conditions/Idle"] = true
		animation_tree["parameters/conditions/Blocking"] = false 
		animation_tree["parameters/conditions/Swinging"] = false
	if Input.is_action_just_pressed("Swing"):
		animation_tree["parameters/conditions/Swinging"] = true
		animation_tree["parameters/conditions/Blocking"] = false
		animation_tree["parameters/conditions/Idle"] = false
	else:
		animation_tree["parameters/conditions/Idle"] = true
		animation_tree["parameters/conditions/Blocking"] = false 
		animation_tree["parameters/conditions/Swinging"] = false