extends CharacterBody2D

const SPEED = 300.0

var is_attacking = false
var last_action = 0
var cooldown_start = false

var zoomed_in = false

var starting_position = self.position

signal death

@onready var ai_controller = $AIController2D

@onready var animated_sprite = $AnimatedSprite2D

@onready var overworld = %Overworld

@onready var camera = $Camera
@onready var exp_label = $Camera/ExpPanel/ExpLabel
@onready var hp_label = $Camera/HPPanel/HPLabel

@onready var attack_timer = $AttackTimer
@onready var weapon = $Weapon
@onready var weapon_player = $Weapon/AnimationPlayer

@export var health = 100
@export var experience = 0


func _ready():
	exp_label.text = "Experience\n"+str(experience)
	hp_label.text = "Health\n"+str(health)
	
func add_exp(exp_amount):
	experience += exp_amount
	ai_controller.reward = experience
	exp_label.text = "Experience\n"+str(experience)
	
func change_hp(dmg):
	health += dmg
	ai_controller.reward += dmg/10
	if health <= 0:
		health = 0
		add_exp(-1)
		death.emit()
	hp_label.text = "Health\n"+str(health)
		
func move_left():
	last_action = 1
	velocity.x = -SPEED
func move_right():
	last_action = 3
	velocity.x = SPEED
func move_up():
	last_action = 2
	velocity.y = -SPEED
func move_down():
	last_action = 0
	velocity.y = SPEED

func _physics_process(_delta):
	velocity.x = move_toward(velocity.x, 0, SPEED)
	velocity.y = move_toward(velocity.y, 0, SPEED)
	
	# Get the input direction and handle the movement/deceleration.
	if not is_attacking:
		# Handle and movement
		## X Axis
		if Input.is_action_pressed("move_right") or ai_controller.move == 3:
			move_right()
		if Input.is_action_pressed("move_left") or ai_controller.move == 1:
			move_left()

		## Y Axis
		if Input.is_action_pressed("move_up") or ai_controller.move == 2:
			move_up()
		if Input.is_action_pressed("move_down") or ai_controller.move == 0:
			move_down()
		
		# Handle animations
		if velocity.x > 0:
			animated_sprite.play("move_right")
		elif velocity.x < 0:
			animated_sprite.play("move_left")
		elif velocity.y > 0 :
			animated_sprite.play("move_down")
		elif velocity.y < 0:
			animated_sprite.play("move_up")
			
		# Stop movement or change direction (left/right or up/down)
		if Input.is_action_just_released("move_right"):
			if Input.is_action_pressed("move_left"):
				move_left()
			else:
				last_action = 3
				velocity.x = move_toward(velocity.x, 0, SPEED)
				animated_sprite.play("idle_right")
		if Input.is_action_just_released("move_left"):
			if Input.is_action_pressed("move_right"):
				move_right()
			else:
				last_action = 1
				velocity.x = move_toward(velocity.x, 0, SPEED)
				animated_sprite.play("idle_left")
				
		if Input.is_action_just_released("move_up"):
			if Input.is_action_pressed("move_down"):
				move_down()
			else:
				last_action = 2
				velocity.y = move_toward(velocity.y, 0, SPEED)
				animated_sprite.play("idle_up")
		if Input.is_action_just_released("move_down"):
			if Input.is_action_pressed("move_up"):
				move_up()
			else:
				last_action = 0
				velocity.y = move_toward(velocity.y, 0, SPEED)
				animated_sprite.play("idle_down")
				
		# Handle attacking and magic
		if Input.is_action_just_pressed("attack") or ai_controller.move == 4:

			is_attacking = true
			if last_action == 1:
				weapon.position = Vector2i(-54,14)
				weapon.rotation_degrees = 90*last_action
				animated_sprite.play("attack_left")
				weapon_player.play("attack")
			elif last_action == 2:
				weapon.position = Vector2i(8,-44)
				animated_sprite.play("attack_up") 
				weapon.rotation_degrees = 90*last_action
				weapon_player.play("attack")
			elif last_action == 3:
				weapon.rotation_degrees = 90*last_action
				weapon.position = Vector2i(54,14)
				animated_sprite.play("attack_right") 
				weapon_player.play("attack")
			else:
				weapon.position = Vector2i(-12,52)
				animated_sprite.play("attack_down")
				weapon.rotation_degrees = 90*last_action
				weapon_player.play("attack")
#
		## TODO: Fix magic
		#elif Input.is_action_just_pressed("cast_magic"):
			#is_attacking = true
			#velocity.x = move_toward(velocity.x, 0, SPEED)
			#velocity.y = move_toward(velocity.y, 0, SPEED)
			#if last_action == 1:
				#animated_sprite.play("attack_right")
			#elif last_action == 2:
				#animated_sprite.play("attack_left") 
			#elif last_action == 3:
				#animated_sprite.play("attack_up") 
			#else:
				#animated_sprite.play("attack_down")
		
		move_and_slide()
		
	else:
		attack_cooldown()        

func attack_cooldown():
	if cooldown_start == false:
		attack_timer.start()
		cooldown_start = true

# TODO: Find more elegant way to go back
func _on_button_pressed():
	if not zoomed_in:
		camera.visible = true
		camera.make_current()
		zoomed_in = true
	else:
		camera.visible = false
		overworld.make_current()
		zoomed_in = false
	

func _on_attack_timer_timeout():
	is_attacking = false
	cooldown_start = false
	weapon_player.play("RESET")