package com.thebrokenrail.sorcerycraft.spell.api;

import net.minecraft.entity.Entity;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Identifier;
import net.minecraft.util.hit.BlockHitResult;
import net.minecraft.world.World;

public abstract class Spell {
    private final Identifier id;
    private final int level;

    public Spell(Identifier id, int level) {
        this.id = id;
        this.level = level;
    }

    /**
     * Get the ID of this Spell
     * @return The Spell ID
     */
    public Identifier getID() {
        return id;
    }

    /**
     * Get the level of this Spell
     * @return The Spell Level
     */
    public int getLevel() {
        return level;
    }

    /**
     * Execute this Spell on an Entity
     * @param world World
     * @param source A SpellEntity
     * @param attacker The Entity that cast this Spell
     * @param target The Target
     */
    public void execute(World world, Entity source, Entity attacker, Entity target) {
        // NOOP
    }

    /**
     * Cast this Spell on a block
     * @param world World
     * @param source A SpellEntity
     * @param attacker The Entity that cast this Spell
     * @param hitResult The block's HitResult
     */
    public void execute(World world, Entity source, Entity attacker, BlockHitResult hitResult) {
        // NOOP
    }

    /**
     * Get the amount of levels required to make this Spell in a Casting Table
     * @return The XP cost
     */
    public abstract int getXPCost();

    /**
     * Get the item(s) required to make ExampleSpell in a Casting Table, or ItemStack.EMPTY if an item is not required
     * @return The item cost
     */
    public abstract ItemStack getItemCost();

    /**
     * Get the maximum level of this Spell
     * @return The Max Level
     */
    public abstract int getMaxLevel();
}