import { Player } from "./player.js";

const WAITING = 0;
const PRE_GAME = 1;
const PLAYING = 2;

export class Game {
    constructor() {
        this.us = null;
        this.players = {};
        this.state = WAITING;
    }

    isWaiting() {
        return this.state === WAITING;
    }

    isPregame() {
        return this.state === PRE_GAME;
    }

    isPlaying() {
        return this.state === PLAYING;
    }

    incrementState() {
        this.state += 1;

        const event = new CustomEvent("gameStateUpdate", {
            detail: { newState: this.state },
        });
        document.dispatchEvent(event);
    }

    currentPlayer() {
        return Object.values(this.players).filter((p) => p.isPlaying)[0];
    }

    addPlayer(id, is_us, pubkey) {
        let is_new = this.players[id] === undefined;

        if (this.isWaiting()) {
            this.players[id] = new Player(id, is_us, pubkey);
            if (is_us) {
                this.us = this.players[id];
            }
        }

        if (is_new) {
            const event = new CustomEvent("addPlayer");
            document.dispatchEvent(event);
        }

        return is_new;
    }

    removePlayer(id) {
        if (this.players[id] !== undefined) {
            const event = new CustomEvent("removePlayer");
            document.dispatchEvent(event);
            delete this.players[id];
        }
    }

    keepAlive(id) {
        if (id !== this.us.id) {
            this.players[id].resetTimeout(this);
        }
    }

    setReady(id, ready) {
        this.players[id].ready = ready;

        const event = new CustomEvent("updatePlayer");
        document.dispatchEvent(event);

        if (this._allPlayersReady()) {
            this.incrementState();
        }
    }

    _allPlayersReady() {
        for (let player of Object.values(this.players)) {
            if (!player.ready) {
                return false;
            }
        }
        return true;
    }
}