'use strict';

exports.BattleScripts = {
	nextTurn: function () {
		this.turn++;
		if (this.turn % 12 === 1) {
			//this.clearWeather();
			this.setWeather('hail');
		}
		else if (this.turn % 12 === 4) {
			//this.clearWeather();
			this.setWeather('sunnyday');
		}
		else if (this.turn % 12 === 7) {
			//this.clearWeather();
			this.setWeather('sandstorm');
		}
		else if (this.turn % 12 === 10) {
			//this.clearWeather();
			this.setWeather('raindance');
		}
		let allStale = true;
		let oneStale = false;
		for (let i = 0; i < this.sides.length; i++) {
			for (let j = 0; j < this.sides[i].active.length; j++) {
				let pokemon = this.sides[i].active[j];
				if (!pokemon) continue;
				pokemon.moveThisTurn = '';
				pokemon.usedItemThisTurn = false;
				pokemon.newlySwitched = false;
				pokemon.disabledMoves = {};
				this.runEvent('DisableMove', pokemon);
				if (!pokemon.ateBerry) pokemon.disableMove('belch');
				if (pokemon.lastAttackedBy) {
					if (pokemon.lastAttackedBy.pokemon.isActive) {
						pokemon.lastAttackedBy.thisTurn = false;
					} else {
						pokemon.lastAttackedBy = null;
					}
				}

				pokemon.trapped = pokemon.maybeTrapped = false;
				this.runEvent('TrapPokemon', pokemon);
				if (pokemon.runImmunity('trapped')) {
					this.runEvent('MaybeTrapPokemon', pokemon);
				}
				// Disable the faculty to cancel switches if a foe may have a trapping ability
				for (let i = 0; i < this.sides.length; ++i) {
					let side = this.sides[i];
					if (side === pokemon.side) continue;
					for (let j = 0; j < side.active.length; ++j) {
						let source = side.active[j];
						if (!source || source.fainted) continue;
						let template = (source.illusion || source).template;
						if (!template.abilities) continue;
						for (let k in template.abilities) {
							let ability = template.abilities[k];
							if (ability === source.ability) {
								// pokemon event was already run above so we don't need
								// to run it again.
								continue;
							}
							if (k === 'H' && template.unreleasedHidden) {
								// unreleased hidden ability
								continue;
							}
							if (pokemon.runImmunity('trapped')) {
								this.singleEvent('FoeMaybeTrapPokemon',
									this.getAbility(ability), {}, pokemon, source);
							}
						}
					}
				}

				if (pokemon.fainted) continue;
				if (pokemon.isStale < 2) {
					if (pokemon.isStaleCon >= 2) {
						if (pokemon.hp >= pokemon.isStaleHP - pokemon.maxhp / 100) {
							pokemon.isStale++;
							if (this.firstStaleWarned && pokemon.isStale < 2) {
								switch (pokemon.isStaleSource) {
								case 'struggle':
									this.add('html', '<div class="broadcast-red">' + this.escapeHTML(pokemon.name) + ' isn\'t losing HP from Struggle. If this continues, it will be classified as being in an endless loop.</div>');
									break;
								case 'drag':
									this.add('html', '<div class="broadcast-red">' + this.escapeHTML(pokemon.name) + ' isn\'t losing PP or HP from being forced to switch. If this continues, it will be classified as being in an endless loop.</div>');
									break;
								case 'switch':
									this.add('html', '<div class="broadcast-red">' + this.escapeHTML(pokemon.name) + ' isn\'t losing PP or HP from repeatedly switching. If this continues, it will be classified as being in an endless loop.</div>');
									break;
								}
							}
						}
						pokemon.isStaleCon = 0;
						pokemon.isStalePPTurns = 0;
						pokemon.isStaleHP = pokemon.hp;
					}
					if (pokemon.isStalePPTurns >= 5) {
						if (pokemon.hp >= pokemon.isStaleHP - pokemon.maxhp / 100) {
							pokemon.isStale++;
							pokemon.isStaleSource = 'ppstall';
							if (this.firstStaleWarned && pokemon.isStale < 2) {
								this.add('html', '<div class="broadcast-red">' + this.escapeHTML(pokemon.name) + ' isn\'t losing PP or HP. If it keeps on not losing PP or HP, it will be classified as being in an endless loop.</div>');
							}
						}
						pokemon.isStaleCon = 0;
						pokemon.isStalePPTurns = 0;
						pokemon.isStaleHP = pokemon.hp;
					}
				}
				if (pokemon.getMoves().length === 0) {
					pokemon.isStaleCon++;
					pokemon.isStaleSource = 'struggle';
				}
				if (pokemon.isStale < 2) {
					allStale = false;
				} else if (pokemon.isStale && !pokemon.staleWarned) {
					oneStale = pokemon;
				}
				if (!pokemon.isStalePPTurns) {
					pokemon.isStaleHP = pokemon.hp;
					if (pokemon.activeTurns) pokemon.isStaleCon = 0;
				}
				if (pokemon.activeTurns) {
					pokemon.isStalePPTurns++;
				}
				pokemon.activeTurns++;
			}
			this.sides[i].faintedLastTurn = this.sides[i].faintedThisTurn;
			this.sides[i].faintedThisTurn = false;
		}
		let banlistTable = this.getFormat().banlistTable;
		if (banlistTable && 'Rule:endlessbattleclause' in banlistTable) {
			if (oneStale) {
				let activationWarning = '<br />If all active Pok&eacute;mon go in an endless loop, Endless Battle Clause will activate.';
				if (allStale) activationWarning = '';
				let loopReason = '';
				switch (oneStale.isStaleSource) {
				case 'struggle':
					loopReason = ": it isn't losing HP from Struggle";
					break;
				case 'drag':
					loopReason = ": it isn't losing PP or HP from being forced to switch";
					break;
				case 'switch':
					loopReason = ": it isn't losing PP or HP from repeatedly switching";
					break;
				case 'getleppa':
					loopReason = ": it got a Leppa Berry it didn't start with";
					break;
				case 'useleppa':
					loopReason = ": it used a Leppa Berry it didn't start with";
					break;
				case 'ppstall':
					loopReason = ": it isn't losing PP or HP";
					break;
				case 'ppoverflow':
					loopReason = ": its PP overflowed";
					break;
				}
				this.add('html', '<div class="broadcast-red">' + this.escapeHTML(oneStale.name) + ' is in an endless loop' + loopReason + '.' + activationWarning + '</div>');
				oneStale.staleWarned = true;
				this.firstStaleWarned = true;
			}
			if (allStale) {
				this.add('message', "All active Pok\u00e9mon are in an endless loop. Endless Battle Clause activated!");
				let leppaPokemon = null;
				for (let i = 0; i < this.sides.length; i++) {
					for (let j = 0; j < this.sides[i].pokemon.length; j++) {
						let pokemon = this.sides[i].pokemon[j];
						if (toId(pokemon.set.item) === 'leppaberry') {
							if (leppaPokemon) {
								leppaPokemon = null; // both sides have Leppa
								this.add('-message', "Both sides started with a Leppa Berry.");
							} else {
								leppaPokemon = pokemon;
							}
							break;
						}
					}
				}
				if (leppaPokemon) {
					this.add('-message', "" + leppaPokemon.side.name + "'s " + leppaPokemon.name + " started with a Leppa Berry and loses.");
					this.win(leppaPokemon.side.foe);
					return;
				}
				this.win();
				return;
			}
		} else {
			if (allStale && !this.staleWarned) {
				this.staleWarned = true;
				this.add('html', '<div class="broadcast-red">If this format had Endless Battle Clause, it would have activated.</div>');
			} else if (oneStale) {
				this.add('html', '<div class="broadcast-red">' + this.escapeHTML(oneStale.name) + ' is in an endless loop.</div>');
				oneStale.staleWarned = true;
			}
		}

		if (this.gameType === 'triples' && this.sides.map('pokemonLeft').count(1) === this.sides.length) {
			// If both sides have one Pokemon left in triples and they are not adjacent, they are both moved to the center.
			let center = false;
			for (let i = 0; i < this.sides.length; i++) {
				for (let j = 0; j < this.sides[i].active.length; j++) {
					if (!this.sides[i].active[j] || this.sides[i].active[j].fainted) continue;
					if (this.sides[i].active[j].position === 1) break;
					this.swapPosition(this.sides[i].active[j], 1, '[silent]');
					center = true;
					break;
				}
			}
			if (center) this.add('-center');
		}

		this.add('turn', this.turn);

		this.makeRequest('move');
	}
}