extends CharacterBody2D

const SPEED = 300.0
const JUMP_VELOCITY = -500.0
@export var runMaxSpeed: float = 200.0
@export var runAccelerationTime: float = 0.3
@export var runDeceleration: float = 30


@export var jumpCount: int = 2
var jumps = jumpCount
@export var jumpControlTime: float = 0.2
@export var jumpShortHopSpeed: float = 200
@export var jumpLongHopSpeed: float = 300
var jumping: bool = false
var jumpTimer: float = 0.0
var facing = true

var previous_velocity: Vector2

const GENDERS = ["female", "male"]
var hair = [load("res://spritesheets/maincharacter/Hair/hair-1.png"), 
	load("res://spritesheets/maincharacter/Hair/hair-2.png")]
var hips = [load("res://spritesheets/maincharacter/Hipses/hips-1.png"),
	load("res://spritesheets/maincharacter/Hipses/hips-2.png")]
var tits = [load("res://spritesheets/maincharacter/Titses/tits-1.png"),
	load("res://spritesheets/maincharacter/Titses/tits-2.png")]

var current_gender="female"

var jumping_up = false
var jumping_down = false
var transforming = false

signal gender_changed(new_gender: String)

func _ready():
	gender_changed.emit(current_gender)

	
func _input(event: InputEvent):
	if event.is_action_pressed("gend"):
		cycle_gender()
		previous_velocity = velocity
		

func _physics_process(delta: float) -> void:
	# inputs and motion!
	var pressDirection = Input.get_axis("ui_left", "ui_right")
	
	var runAcceleration = runMaxSpeed / runAccelerationTime
	if pressDirection != 0:
		# we're trying to walk left or right
		if velocity.x * pressDirection < runMaxSpeed:
			velocity.x += pressDirection * runAcceleration * delta
		if velocity.x * pressDirection > runMaxSpeed:
			velocity.x -= pressDirection * runDeceleration * delta
	else:
		# we're not walking and so we should decelerate
		if velocity.x > 0:
			velocity.x -= runDeceleration
			if velocity.x < 0: velocity.x = 0
		if velocity.x < 0: 
			velocity.x += runDeceleration 
			if velocity.x > 0: velocity.x = 0
	
	if is_on_floor(): jumps = jumpCount
	
	var jumpAccel = (jumpLongHopSpeed - jumpShortHopSpeed) / jumpControlTime
	if Input.is_action_pressed("jump") and not jumping and jumps > 0:
		jumping = true
		velocity.y = -jumpShortHopSpeed
		jumps -= 1
	if jumping and Input.is_action_pressed("jump") and jumpTimer < jumpControlTime:
		jumpTimer += delta
		velocity.y -= jumpAccel * delta
	if jumping and not Input.is_action_pressed("jump"):
		jumping = false
		jumpTimer = 0

			
	# Add the gravity.
	if not is_on_floor():
		velocity += get_gravity() * delta

	if transforming:
		if not $AnimationPlayer.is_playing():
			transforming = false
			velocity = previous_velocity
		else:
			velocity.x = 0
			velocity.y = 0
	if not transforming:
		move_and_slide()
	
	var oldfacing = facing
	if velocity.x > 0:
		facing = true	
	if velocity.x < 0:
		facing = false
	if not oldfacing == facing:
		scale.x = -1
	if is_on_floor() and not transforming:
		if abs(velocity.x) > 0.1:
			$AnimationPlayer.play("run")
		else:
			$AnimationPlayer.play("idle")
	
	if velocity.y > 0.1 and not jumping_down:
		jumping_down = true
		jumping_up = false
		$AnimationPlayer.play("jumpDown")
	if velocity.y < -0.1 and not jumping_up:
		jumping_up = true
		jumping_down = false
		$AnimationPlayer.play("jumpUp")
	
	if abs(velocity.y) < 0.1:
		jumping_up = false
		jumping_down = false 
	

func cycle_gender():
	var index = GENDERS.find(current_gender)
	index = (index + 1) % GENDERS.size()
	current_gender = GENDERS[index]
	
	$hair_layer.texture = hair[index]
	$hips_layer.texture = hips[index]
	$tits_layer.texture = tits[index]
	
	gender_changed.emit(current_gender)	
	
	$AnimationPlayer.play("transformation")
	transforming = true