package com.github.maxopoly.tcgdex;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;

import org.json.JSONArray;
import org.json.JSONObject;

/**
 * Describes a single attack of a pokemon, for example 'Confuse Ray'
 *
 */
public class Attack {

	static List<Attack> parse(JSONArray array) {
		if (array == null) {
			return Collections.emptyList();
		}
		List<Attack> result = new ArrayList<>();
		for (int i = 0; i < array.length(); i++) {
			result.add(new Attack(array.getJSONObject(i)));
		}
		return result;
	}

	private final List<Types> cost;
	private final String name;
	private final String effect;
	private final String damage;

	Attack(List<Types> cost, String name, String effect, String damage) {
		super();
		this.cost = cost;
		this.name = name;
		this.effect = effect;
		this.damage = damage;
	}

	Attack(JSONObject json) {
		this(Types.parse(json.getJSONArray("cost")), json.getString("name"), json.optString("effect"),
				json.optString("damage"));
	}

	public boolean equals(Object o) {
		if (!(o instanceof Attack)) {
			return false;
		}
		Attack other = (Attack) o;
		return Objects.deepEquals(new Object[] { this.cost, this.name, this.effect, this.damage },
				new Object[] { other.cost, other.name, other.effect, other.damage });
	}
	
	public int hashCode() {
		return Objects.hash(this.cost, this.name, this.effect, this.damage);
	}

	/**
	 * @return Cost of the attack in the same order as listed on the card
	 */
	public List<Types> getCost() {
		return cost;
	}

	/**
	 * @return Name of the attack
	 */
	public String getName() {
		return name;
	}

	/**
	 * @return Effect/Description of the attack, may be null for attacks without text
	 */
	public String getEffect() {
		return effect;
	}

	/**
	 * @return Damage the attack deals. May just be a number like '30', but can also
	 *         be a multiplier like 'x20'
	 */
	public String getDamage() {
		return damage;
	}

}