extends CharacterBody2D
@onready var animated_sprite_2d = $AnimatedSprite2D
@onready var camera_2d = $Camera2D
@onready var color_rect = $Camera2D/ColorRect
@onready var pipe_timer = $pipe_timer
@onready var pipe_timer_half = $pipe_timer_half
@onready var coin_amt = $CanvasLayer/Control/CoinAmt
@onready var collision_shape_2d = $CollisionShape2D
@onready var pipedetector_ground = $pipedetector_ground
@onready var pipe_sound = $PipeSound
@onready var jump_sound = $JumpSound
@onready var shrink_sound = $shrinkSound
@onready var die_player = $diePlayer
@onready var music = %Music
@onready var timer_fire = $timer_fire


const SPEED = 130.0
const JUMPt_velocity = -360.0
var on_pipe = false
var right_pipe = false
var left_pipe = false
var pipe = null
var pipe_target = null

var coins = 0
# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
var on_pause = false
var is_big = false
var is_flower = false

# touch controls
var touch_anchor = Vector2.ZERO
var jump = false
var crawl = false
var fire = false
var toucht_velocity = Vector2.ZERO
var t_velocity = 0
var can_fire = 0

@export var fireball_prefab : PackedScene

func _unhandled_input(event):
	if event is InputEventScreenTouch or event is InputEventScreenDrag:
		if event.is_pressed():
			if event.position.x < get_viewport_rect().size.x / 2:
				touch_anchor = event.position
			else:
				if event.position.y > get_viewport_rect().size.y / 2:
					if not jump:
						jump = true
				elif not fire:
					fire = true
		elif event.position.x < get_viewport_rect().size.x / 2:
			toucht_velocity = event.position - touch_anchor
			if abs(toucht_velocity.x) > 30:
				t_velocity = 1 if toucht_velocity.x > 0 else -1
			else:
				t_velocity = 0
				
			if toucht_velocity.y > 30:
				crawl = true
		if event is InputEventScreenTouch and event.is_released():
			if event.position.x < get_viewport_rect().size.x / 2:
				toucht_velocity = Vector2.ZERO
				t_velocity = 0
				crawl = false

func _ready():
	color_rect.visible = false
	pipedetector_ground.position.y = 0
	collision_shape_2d.shape.height = 15

func _process(delta):
	# set camera 
	if position.y <= 32:
		camera_2d.limit_bottom = 32
		camera_2d.limit_top = -1000000
	else:
		camera_2d.limit_bottom = 272
		camera_2d.limit_top = 32
	
	# check pipe
	if on_pipe and (Input.is_action_just_pressed("crawl") or crawl) and is_on_floor() or right_pipe and (Input.is_action_pressed("move_right") or t_velocity > 0):
		pipe_sound.play()
		crawl = false
		t_velocity = 0
		color_rect.visible = true
		pipe_timer.start()
		pipe_timer_half.start()
		pipe_target = pipe.get_target()

func _physics_process(delta):
	# Add the gravity.
	if not is_on_floor() and not on_pause:
		velocity.y += gravity * delta

	# Handle jump.
	if not on_pause and (Input.is_action_pressed("jump") or jump) and is_on_floor():
		jump_sound.play()
		jump = false
		velocity.y = JUMPt_velocity

	# check fireball
	if is_flower and (Input.is_action_just_pressed("flower") or fire) and can_fire < 2:
		can_fire += 1
		fire = false
		var instance = fireball_prefab.instantiate()
		get_parent().add_child(instance)
		instance.position.x = position.x -8 if animated_sprite_2d.flip_h else position.x + 8
		instance.position.y = position.y
		instance.linear_velocity.x = -200 if animated_sprite_2d.flip_h else 200
		instance.linear_velocity.y = 50
		instance.angular_velocity = 0
		timer_fire.start()
		

	# get input
	var direction = Input.get_axis("move_left", "move_right") + t_velocity
	
	if on_pause:
		direction = 0
	
	# face direction
	if direction < 0:
		animated_sprite_2d.flip_h = true
	elif direction > 0:
		animated_sprite_2d.flip_h = false
		
	# play animation
	if is_on_floor():
		if direction != 0:
			if is_flower:
				animated_sprite_2d.play("run_flower")
			elif is_big:
				animated_sprite_2d.play("run_big")
			else:
				animated_sprite_2d.play("run")
		else:
			if is_flower:
				animated_sprite_2d.play("idle_flower")
			elif is_big:
				animated_sprite_2d.play("idle_big")
			else:
				animated_sprite_2d.play("idle")
	else:
		if is_flower:
			animated_sprite_2d.play("jump_flower")
		elif is_big:
			animated_sprite_2d.play("jump_big")
		else:
			animated_sprite_2d.play("jump")
	
	if direction:
		velocity.x = direction * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)

	if not on_pause:
		move_and_slide()

func grow():
	if not is_big:
		is_big = true
		collision_shape_2d.shape.height = 31
		pipedetector_ground.position.y += 8
	
func flower():
	if not is_big:
		collision_shape_2d.shape.height = 31
		pipedetector_ground.position.y += 8
	is_big = true
	is_flower = true
	
func shrink():
	if is_flower:
		is_flower = false
		shrink_sound.play()
	elif is_big:
		is_big = false
		collision_shape_2d.shape.height = 15
		pipedetector_ground.position.y -= 8
		shrink_sound.play()
	else:
		player_die()
		
func player_die():
	die_player.play("die")
	on_pause = true
	music.stop()

func reload_scene():
	get_tree().reload_current_scene()

func increase_coins():
	coins += 1
	coin_amt.text = str(coins)

func _on_pipedetector_area_entered(area):
	on_pipe = true
	pipe = area
	
func _on_pipedetector_area_exited(area):
	on_pipe = false

func _on_pipedetector_right_area_entered(area):
	right_pipe = true
	pipe = area

func _on_pipedetector_right_area_exited(area):
	right_pipe = false


func _on_pipe_timer_timeout():
	on_pause = false
	color_rect.visible = false
	pipe_sound.play()


func _on_pipe_timer_half_timeout():
	position = pipe_target


func _on_timer_fire_timeout():
	can_fire = 0