class_name Player extends CharacterBody2D

@onready var right_cast: RayCast2D = $RightCast
@onready var left_cast: RayCast2D = $LeftCast
@onready var right_spawn: Node2D = $RightSpawn
@onready var left_spawn: Node2D = $LeftSpawn
@onready var jump_buffer_timer: Timer = $JumpBufferTimer
@onready var player_graphic: AnimatedSprite2D = $PlayerGraphic

const SPEED = 300.0
const JUMP_VELOCITY = -400.0
@export var acceleration:int = 5
var upJump:bool = false

var direction
enum FaceDirection{LEFT, RIGHT}
var facing:FaceDirection = FaceDirection.RIGHT
enum State{IDLE, RUN,JUMP,FALLING}
var current_state:State = State.IDLE

var pushTarget
var pushEnabled := false

func _physics_process(delta: float) -> void:
	# Add the gravity.
	handle_input()
	handle_movement(delta)
	handle_states()
	handle_animation()
	move_and_slide()
	handle_collisions()

func handle_states() -> void:
	match current_state:
		State.IDLE when velocity.x !=0:
			current_state = State.RUN
		State.RUN:
			if velocity.x == 0:
				current_state = State.IDLE
			#player steps off ledge
			if not is_on_floor() && velocity.y > 0:
				current_state = State.FALLING
		State.FALLING when is_on_floor():
			if velocity.x == 0:
				current_state = State.IDLE
			else:
				current_state = State.RUN
		State.JUMP when velocity.y >0:
			current_state = State.FALLING
			
			
func handle_animation() -> void:
	match current_state:
		State.IDLE:
			player_graphic.play("idle")
		State.RUN:
			player_graphic.play("run")
		State.FALLING:
			player_graphic.play("fall")
		State.JUMP:
			if upJump:
				player_graphic.play("jump")
			
func handle_movement(delta:float) -> void:
	if direction == 0:
		#not moving
		velocity.x = move_toward(velocity.x,0, acceleration)
	else:
		velocity.x = move_toward(velocity.x, SPEED * direction, acceleration)
	
	if not is_on_floor():
		velocity += get_gravity() * delta
	if is_on_floor() && jump_buffer_timer.time_left >0:
		velocity.y = JUMP_VELOCITY
		jump_buffer_timer.stop()
		current_state = State.JUMP
		upJump = true
		
func handle_input():
	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
		#velocity.y = JUMP_VELOCITY
		jump_buffer_timer.start()
	direction = Input.get_axis("ui_left", "ui_right")
	if direction < 0:
		facing = FaceDirection.LEFT
		player_graphic.flip_h = true
	if direction > 0:
		facing = FaceDirection.RIGHT
		player_graphic.flip_h = false
		
	if Input.is_action_just_pressed("shove") && pushEnabled:
		var shoveDirection:int
		match facing:
			FaceDirection.RIGHT:
				shoveDirection = 1
			FaceDirection.LEFT:
				shoveDirection = -1
		pushTarget.apply_central_impulse(Vector2(shoveDirection,0)*700)
	if Input.is_action_just_pressed("shoot"):
		print("Ima shoot")
		match facing:
			FaceDirection.RIGHT:
				print("shoot to right")
				%SceneManager.makeBullet(right_spawn.global_transform, 700)
			FaceDirection.LEFT:
				%SceneManager.makeBullet(left_spawn.global_transform, -700)

func handle_collisions():
	for i in get_slide_collision_count():
		var c = get_slide_collision(i)
		if c.get_collider() is RigidBody2D:
			c.get_collider().apply_central_impulse(-c.get_normal() * 100)
			
	if right_cast.is_colliding() && facing==FaceDirection.RIGHT:
		print("RC is colliding")
		var collider = right_cast.get_collider()
		if collider is Node && collider is RigidBody2D && collider.is_in_group("pushables"):
			pushTarget = collider
			pushEnabled = true
	if left_cast.is_colliding() && facing==FaceDirection.LEFT:
		var collider = left_cast.get_collider()
		if collider is Node && collider is RigidBody2D && collider.is_in_group("pushables"):
			pushTarget = collider
			pushEnabled = true
			
	if not right_cast.is_colliding() && not left_cast.is_colliding():
		pushEnabled = false


func _on_animation_finished() -> void:
	match current_state:
		State.JUMP:
			upJump = false