extends Node

@onready var data: Data = get_node("/root/Root/Data")
@onready var castIndicator: CastIndicator = get_node("/root/Root/Arena/CastIndicator")
@export var avatar: Combatant
var casting = false
var spell: Spell
var spellIndex: int
var timer: float = 0
var anim: AnimationBase

# Called when the node enters the scene tree for the first time.
func _ready():
	data.spellbook.initCooldowns()
	for spel: Spell in data.spellbook.spells:
		if (spel == null): continue
		if !data.animations.has(spel.animation):
			data.animations[spel.animation] = load(spel.animation)

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	if !casting:
		for i in range(data.spellbook.spells.size()):
			if Input.is_action_just_pressed("Spell" + str(i)) && data.spellbook.cooldowns[i] == 0:
				casting = true
				spell = data.spellbook.spells[i]
				spellIndex = i
				castIndicator.show()
				castIndicator.setDirs(spell.castCombo[0], spell.castCombo[1])
				anim = data.animations[spell.animation].instantiate()
				anim.setProgress(0, spell.castCombo.size())
				get_node("/root").add_child(anim)
					
				timer = 0
	else:
		timer += delta
		if (Input.is_action_just_pressed(spell.castCombo[spell.castProgress])):
			spell.castProgress += 1
			anim.setProgress(spell.castProgress)
			
			if spell.castProgress == spell.castCombo.size() - 1:
				castIndicator.setDirs(spell.castCombo[spell.castProgress])
			elif spell.castProgress < spell.castCombo.size() - 1:
				castIndicator.setDirs(spell.castCombo[spell.castProgress], spell.castCombo[spell.castProgress + 1])
			
			if spell.castProgress == spell.castCombo.size():
				casting = false
				spell.castProgress = 0
				avatar.renderer.play("attack1")
				data.spellbook.cooldowns[spellIndex] = spell.cooldown
				castIndicator.hide()
				data.opponent.alterHealth(-spell.damage, false)
		elif (timer >= spell.timeout || Input.is_action_just_pressed("up") || Input.is_action_just_pressed("down") || Input.is_action_just_pressed("left") || Input.is_action_just_pressed("right")):
			avatar.alterHealth(-spell.backfireStrength, true)
			casting = false
			anim.castFailed()
			spell.castProgress = 0
			data.spellbook.cooldowns[spellIndex] = spell.cooldown * (float(spell.castProgress) / float(spell.castCombo.size()))
			castIndicator.hide()
		
	for i in range(data.spellbook.cooldowns.size()):
		data.spellbook.cooldowns[i] -= delta
		if data.spellbook.cooldowns[i] < 0: data.spellbook.cooldowns[i] = 0