class_name Player extends CharacterBody2D

const SPEED =200.0
const JUMP_VELOCITY = -500.0
var direction
enum FaceDirection{LEFT, RIGHT}
var facing:FaceDirection = FaceDirection.RIGHT
enum player_state{IDLE,RUNNING}
var current_player_state:player_state = player_state.IDLE

@onready var player_graphic: AnimatedSprite2D = $"player graphic"

@onready var rightspawn: Marker2D = $rightspawn
@onready var leftspawn: Marker2D = $leftspawn

@onready var right_cast: RayCast2D = $RightCast
@onready var left_cast: RayCast2D = $LeftCast
var pushTarget
var pushEnabled:bool=false

func _ready() -> void:
	print(right_cast)
	
func _physics_process(delta: float) -> void:
	handle_input()
	handle_movement(delta)
	handle_state()
	handle_animation()
	move_and_slide()
	handle_collisions()
			
func handle_input()->void:
	if Input.is_action_just_pressed("chuck"):
		print("chuck grenade")
		%SceneManager.makeGrenade(rightspawn.global_transform, 1)
		
	if Input.is_action_just_pressed("ui_accept"):
		velocity.y = JUMP_VELOCITY
	if Input.is_action_just_pressed("magic push") and pushEnabled:
		print("I want to shove")
		var shoveDirection:int
		match facing:
			FaceDirection.RIGHT:
				shoveDirection = 1
			FaceDirection.LEFT:
				shoveDirection = -1
		pushTarget.apply_central_impulse(Vector2(shoveDirection,0)*700)

	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions.
	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

func handle_movement(delta)->void:
	if not is_on_floor():
		velocity += get_gravity() * delta

	# Handle jump.
	if direction:
		velocity.x = direction * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)
		 
func handle_collisions()->void:
	if right_cast.is_colliding() && facing==FaceDirection.RIGHT:
		var collider = right_cast.get_collider()
		if collider is Node && collider is RigidBody2D:
			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:
			pushTarget = collider
			pushEnabled = true
	for i in get_slide_collision_count():
		var c = get_slide_collision(i)
		if c.get_collider() is RigidBody2D:
			#deliver the impact
			c.get_collider().apply_central_impulse(-c.get_normal() * 100)
			
func handle_state()->void:
	match current_player_state:
		player_state.IDLE when velocity.x !=0:
			print("runnnnnn")
			current_player_state = player_state.RUNNING
		player_state.RUNNING when velocity.x ==0:
			current_player_state = player_state.IDLE
			
func handle_animation()->void:
	match current_player_state:
		player_state.IDLE:
			player_graphic.play("idle")
		player_state.RUNNING:
			player_graphic.play("run")