class_name Data extends Node

enum Element{
	NORMAL,
	FIRE,
	ICE,
	POISON,
	STONE,
	HEALING
}

enum Difficulty{
	EASY,
	NORMAL,
	HARD,
	GAMER
}

enum Location{
	MAINMENU,
	CREDITS,
	TAVERN,
	ARENA,
	DEAD
}

enum Rarity{
	COMMON,
	RARE,
	LEGENDARY,
	GODLIKE
}

@onready var musicPlayer: MusicPlayer = $/root/Root/MusicPlayer
@onready var opponentBook: Spellbook = load("res://Resources/Spellbooks/wizardSpellbook.tres")

@export var spellbook: Spellbook
@export var difficulty: Difficulty = Difficulty.NORMAL
@export var animations: Dictionary = {}
@export var player: Combatant
@export var opponent: Combatant
@export var loc: Location = Location.MAINMENU
@export var playing: bool = false
@export var lockedSpells: Array[Spell]
@export var unlockedSpells: Array[Spell]
@export var commonChance: int = 70
@export var rareChance: int = 24
@export var legendaryChance: int = 5
@export var godlikeChance: int = 1
@export var locations: Dictionary = {
	Location.MAINMENU: "res://Scenes/UI/mainMenu.tscn",
	Location.CREDITS: "",
	Location.TAVERN: "res://Scenes/tavern.tscn",
	Location.ARENA: "res://Scenes/arena.tscn"
}

func getSpellbook():
	var spells: Array[Spell] = lockedSpells.duplicate()
	spells.append_array(unlockedSpells)
	var spellCount: int
	var rarityChance: Dictionary
	var rar: Rarity
	var chosenSpells: Array[Spell] = []
	match (difficulty):
		Difficulty.EASY:
			spellCount = 4
			rarityChance = {
				Rarity.COMMON: 85,
				Rarity.RARE: 10,
				Rarity.LEGENDARY: 5,
				Rarity.GODLIKE: 0
			}
		Difficulty.NORMAL:
			spellCount = 5
			rarityChance = {
				Rarity.COMMON: 65,
				Rarity.RARE: 20,
				Rarity.LEGENDARY: 14,
				Rarity.GODLIKE: 1
			}
		Difficulty.HARD:
			spellCount = 6
			rarityChance = {
				Rarity.COMMON: 50,
				Rarity.RARE: 27,
				Rarity.LEGENDARY: 22,
				Rarity.GODLIKE: 1
			}
		Difficulty.GAMER:
			spellCount = 6
			rarityChance = {
				Rarity.COMMON: 40,
				Rarity.RARE: 30,
				Rarity.LEGENDARY: 20,
				Rarity.GODLIKE: 10
			}
	for i in range(spellCount):
		var num: int = randi_range(0, 99)
		if (num < rarityChance[Rarity.COMMON]):
			rar = Rarity.COMMON
		elif (num < rarityChance[Rarity.COMMON] + rarityChance[Rarity.RARE]):
			rar = Rarity.RARE
		elif (num < rarityChance[Rarity.COMMON] + rarityChance[Rarity.RARE] + rarityChance[Rarity.LEGENDARY]):
			rar = Rarity.LEGENDARY
		else:
			rar = Rarity.GODLIKE
		var options: Array[Spell] = lockedSpells.filter(func(spel): return spel.rarity == rar)
		var count: int = 1
		while (options.size() == 0):
			rar = (int(rar) + 1) as Rarity
			if (int(rar) >= 4): rar = 0
			count += 1
			if (count >= 4): return null
			options = lockedSpells.filter(func(spel): return spel.rarity == rar)
		var spell: Spell = options[randi_range(0, options.size() - 1)]
		chosenSpells.append(spell)
		spells.erase(spell)
	opponentBook.spells = chosenSpells

func getNewSpell() -> Spell:
	var num: int = randi_range(0, 99)
	var rar: Rarity
	if (num < commonChance):
		rar = Rarity.COMMON
	elif (num < rareChance + commonChance):
		rar = Rarity.RARE
	elif (num < legendaryChance + rareChance + commonChance):
		rar = Rarity.LEGENDARY
	else:
		rar = Rarity.GODLIKE
	var options: Array[Spell] = lockedSpells.filter(func(spel): return spel.rarity == rar)
	var count: int = 1
	while (options.size() == 0):
		rar = (int(rar) + 1) as Rarity
		if (int(rar) >= 4): rar = 0
		count += 1
		if (count >= 4): return null
		options = lockedSpells.filter(func(spel): return spel.rarity == rar)
	var spell: Spell = options[randi_range(0, options.size() - 1)]
	lockedSpells.erase(spell)
	unlockedSpells.append(spell)
	return spell