const DoubleLinkedList          = require("../Utility/DoubleLinkedList");

const constants	 		        = require("../Data/constants");

const { TIMING_EVENTS }         = constants;
const { TIMING_EVENT_RESPAWN }  = TIMING_EVENTS;

const Game                      = require("./Game");
const { guilds }                = Game;

class GuildIsland {
    constructor(info) {
        this.id = info.id;
        this.locationMapID = info.locationMapID;
        this.index = info.index;
        this.position = info.position;
        this.guild = info.guild;
        this.towers = [];
        this.totalDamageReceived = new DoubleLinkedList();
    };

    updateReceivedDamage(guildID, damage) {
        this.totalDamageReceived.accumulateItem(guildID, damage);
    }

    getTower(id) {
        const tower = this.towers.find(t => t.id === id);
        return tower;
    }

    addTower(tower) {
        this.towers.push(tower);
    }

    updateOwnership() {
        const towersAlive = this.towers.filter(t => t.hp.current);
        if (towersAlive.length) return null;

        let maximumDamage = 0;
        let newGuildID = 0;

        this.totalDamageReceived.clearEach((guildID, damage) => {
            if (damage > maximumDamage) {
                maximumDamage = damage;
                newGuildID = guildID;
            };
        });

        this.towers.forEach(tower => tower.setEvent(TIMING_EVENT_RESPAWN, 10000));

        const topicOld = this.guild.topic;

        const guildOld = guilds[this.guild.id];
        const guildNew = newGuildID ? guilds[newGuildID] : { tag: new ArrayBuffer(0), id: 0 };

        const topicNew = guildNew.topic;

        this.guild = guildNew;

        return {
            guildOld,
            guildNew,
            topicOld,
            topicNew
        };
    }
};

module.exports = GuildIsland;