Mirroar/hivemind

import localRelations from 'relations.local';
import settings from 'settings-manager';
import {getUsername} from 'utils/account';

export default class Relations {
    readonly allies: string[];
    readonly enemies: string[];

    /**
     * Relations determine how we act towards other users.
     * @constructor
     */
    constructor() {
        this.allies = [];
        this.enemies = [];

        if (localRelations?.allies) {
            for (const ally of localRelations.allies) {
                this.allies.push(ally);
            }
        }

        if (localRelations?.enemies) {
            for (const enemy of localRelations.enemies) {
                this.enemies.push(enemy);
            }
        }
    }

    /**
     * Checks if a user is considered our ally.
     *
     * @param {string} username
     *   The name of the user to check.
     *
     * @return {boolean} true if the user is our ally.
     */
    isAlly(username: string): boolean {
        if (username === getUsername()) return true;

        return username && this.allies.includes(username);
    }

    /**
     * Checks if a user is considered our enemy.
     *
     * @param {string} username
     *   The name of the user to check.
     *
     * @return {boolean} true if the user is our enemy.
     */
    isEnemy(username: string): boolean {
        if (settings.get('treatNonAlliesAsEnemies')) return !this.isAlly(username);
        if (this.isNpc(username)) return true;

        return this.enemies.includes(username);
    }

    isNpc(username: string): boolean {
        if (username === 'Invader') return true;
        if (username === 'Source Keeper') return true;
        if (username === SYSTEM_USERNAME) return true;

        return false;
    }
}