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

class EntityGroup {
    constructor(info) {
        this.id = info.id;
        this.mapIDs = Array.isArray(info.mapIDs) ? info.mapIDs : [];
        this.structure = info.structure;
        this.entitySettings = info.entitySettings;
        this.members = new DoubleLinkedList();
        this.leaders = new DoubleLinkedList();
        this.isSummonPossible = true;
        this.predefinedArea = info.predefinedArea ? info.predefinedArea : {
            x: 1000,
            y: 1000,
            width: 750,
            height: 750
        };
    };

    setAreaPosition(position) {
        this.predefinedArea.x = position.x;
        this.predefinedArea.y = position.y;
    }

    getEntitySetting(groupMemberTypeID) {
        const entitySetting = this.entitySettings[groupMemberTypeID];

        return entitySetting ? entitySetting : {
            speed: 600,
            respawnTime: 0
        };
    }

    cancelRespawn() {
        if (!this.isSummonPossible) return;

        this.members.each((key, value) => {
            value.cancelEvent(8);

            return true;
        });

        this.isSummonPossible = false;
    }

    default() {
        this.members.clearEach(() => null);
        this.leaders.clearEach(() => null);

        this.isSummonPossible = true;
    }

    isDefeated() {
        let deadEntitiesCount = 0;

        this.members.each((key, value) => {
            if (!value.isAlive) deadEntitiesCount++;

            return true;
        });

        this.leaders.each((key, value) => {
            if (!value.isAlive) deadEntitiesCount++;

            return true;
        });

        return this.structure.length === deadEntitiesCount || (this.members.isEmpty() && this.leaders.isEmpty());
    }

    addMember(entity) {
        this.members.addItem(entity.id, entity);
    }

    addLeader(entity) {
        this.leaders.addItem(entity.id, entity);
    }

    isLeader(id) {
        return this.leaders.hasElement(id);
    }

    isLeaderAlive() {
        let isAlive = false;
        
        this.leaders.each(function (key, value) {
            isAlive = value.isAlive;

            return !value.isAlive;
        });

        return isAlive;
    }
};

module.exports = EntityGroup;