const KEY = "dune";

export default class Combat2d20 extends Combat {

	get combatantsTurnDone() {
		return this.getFlag(KEY, "combatantsTurnDone") ?? [];
	}


	get combatantsTurnsDoneThisRound() {
		const combatantsTurnDone = this.combatantsTurnDone;
		return combatantsTurnDone[this.round] ?? {};
	}

	async rollInitiative() {
		return this;
	}

	async setTurn(newTurn) {
		this.turn = newTurn;

		// Update the document, passing data through a hook first
		const updateData = {round: this.round, turn: newTurn};
		const updateOptions = {advanceTime: CONFIG.time.turnTime, direction: 1};
		Hooks.callAll("combatTurn", this, updateData, updateOptions);
		return this.update(updateData, updateOptions);
	}


	setupTurns() {
		// Determine the turn order and the current turn
		const turns = this.combatants.contents;

		// Sort alphabetically by name first
		turns.sort((a, b) => {
			if (a.name < b.name) {
				return -1;
			}
			if (a.name > b.name) {
				return 1;
			}
			return 0;
		});

		// Then make sure the player characters are first
		turns.sort(
			(a, b) => Number(b.hasPlayerOwner) - Number(a.hasPlayerOwner)
		);

		if (this.turn !== null) this.turn =
			Math.clamp(this.turn, 0, turns.length - 1);

		// Update state tracking
		let c = turns[this.turn];
		this.current = {
			round: this.round,
			turn: this.turn,
			combatantId: c ? c.id : null,
			tokenId: c ? c.tokenId : null,
		};

		// One-time initialization of the previous state
		if (!this.previous) this.previous = this.current;

		// Return the array of prepared turns
		return this.turns = turns;
	}


	async toggleTurnDone(combatantId) {
		if (!game.user.isGM) return;
		if (!this.started) return;

		const combatantsTurnsDoneThisRound = this.combatantsTurnsDoneThisRound;

		const turnDone = !(combatantsTurnsDoneThisRound[combatantId] ?? false);
		combatantsTurnsDoneThisRound[combatantId] = turnDone;

		const combatantsTurnDone = this.combatantsTurnDone;
		combatantsTurnDone[this.round] = combatantsTurnsDoneThisRound;

		this.setFlag(KEY, "combatantsTurnDone", combatantsTurnDone);


	}

}