'use strict';

const assert = require('../../assert');
const common = require('../../common');

let battle;

describe('Explosion', () => {
	afterEach(() => {
		battle.destroy();
	});

	it('should not halve defense in current gens', () => {
		battle = common.createBattle([[
			{ species: "Metagross", nature: "Adamant", moves: ['explosion'] },
		], [
			{ species: "Hippowdon", nature: "Impish", evs: { hp: 252, def: 252 }, moves: ['splash'] },
		]]);
		battle.makeChoices('move explosion', 'move splash');
		const hippo = battle.p2.active[0];
		const damage = hippo.maxhp - hippo.hp;
		assert.bounded(damage, [164, 193]);
	});

	it('should halve defense in old gens', () => {
		battle = common.gen(4).createBattle([[
			{ species: "Metagross", nature: "Adamant", moves: ['explosion'] },
		], [
			{ species: "Hippowdon", nature: "Impish", evs: { hp: 252, def: 252 }, moves: ['splash'] },
		]]);
		battle.makeChoices('move explosion', 'move splash');
		const hippo = battle.p2.active[0];
		const damage = hippo.maxhp - hippo.hp;
		assert.bounded(damage, [327, 385]);
	});

	it(`[Gen 1] Explosion should build rage, even if it misses`, () => {
		// Explosion hits
		battle = common.gen(1).createBattle([[
			{ species: 'golem', moves: ['explosion'] },
		], [
			{ species: 'aerodactyl', moves: ['rage'] },
		]]);
		battle.makeChoices();
		assert(battle.log.some(line => line.startsWith('|-boost|')));

		// Explosion misses
		battle = common.gen(1).createBattle([[
			{ species: 'golem', moves: ['explosion'] },
		], [
			{ species: 'aerodactyl', moves: ['rage'] },
		]]);
		// Modding accuracy so Explosion always misses
		battle.onEvent('Accuracy', battle.format, (accuracy, target, pokemon, move) => {
			return move.id === 'rage';
		});
		battle.makeChoices('move explosion', 'move rage');
		assert(battle.log.some(line => line.startsWith('|-boost|')));

		// Explosion misses against a Ghost-type
		battle = common.gen(1).createBattle([[
			{ species: 'golem', moves: ['explosion'] },
		], [
			{ species: 'gastly', moves: ['rage'] },
		]]);
		battle.makeChoices();
		assert(battle.log.some(line => line.startsWith('|-boost|')));
	});

	it(`[Gen 1] Explosion should faint the user when the target is semi-invulnerable`, () => {
		// Explosion hits
		battle = common.gen(1).createBattle([[
			{ species: 'golem', moves: ['explosion'] },
		], [
			{ species: 'aerodactyl', moves: ['fly'] },
		]]);
		battle.makeChoices();
		assert.fainted(battle.p1.active[0]);
	});
});
