/*
 * Copyright (c) 2022.
 * Author Peter Placzek (tada5hi)
 * For the full copyright and license information,
 * view the LICENSE file that was distributed with this source code.
 */

import {consumeMessageQueue, handleMessageQueueChannel} from "../modules/message-queue";
import {MemorySocketEventMessage, publishEventForSocketServer} from "../modules/memory-event-bus/socket";
import {MemoryMessagePayload} from "../modules/memory-event-bus/message";
import {AuthContact} from "@chamesu/common/domains/auth/contact";
import {AuthContactData} from "@chamesu/common/domains/auth/contact-data";
import {useContactEventCache} from "../app/auth/socket/entities/contact/cache";
import {QueueMessage} from "../modules/message-queue/type";

function createContactAggregatorHandlers({namespace} : {namespace: string}) {
    const publishMessage = (event: string, payload: MemoryMessagePayload, room?: string) => {
        const message : MemorySocketEventMessage = {
            room,
            event,
            namespace,
            payload
        }

        publishEventForSocketServer(message);
    }

    const getSocketContactRoom = (contactId: string) => {
        return 'userContact' + ':' + contactId;
    }

    const getSocketUserRoom = (userId: number) => {
        return 'user' + ':' + userId;
    }

    return {
        contactCreated: async(message: QueueMessage) => {
            const contact = <AuthContact> message.data;

            // Socket
            publishMessage(message.type, {
                type: 'contact',
                id: message.data.id,
                data: message.data
            }, getSocketUserRoom(contact.user_one_id));

            publishMessage(message.type, {
                type: 'contact',
                id: message.data.id,
                data: message.data
            }, getSocketUserRoom(contact.user_two_id));

            // Cache
            const contactCache = useContactEventCache();
            contactCache
                .setContact(contact)
                .then(r => r);

            contactCache
                .addUserContactId(contact.user_one_id, contact.id)
                .then(r => r);

            contactCache
                .addUserContactId(contact.user_two_id, contact.id)
                .then(r => r);
        },
        contactUpdated: async(message: QueueMessage) => {
            const contact = <AuthContact> message.data;

            // Socket
            publishMessage(message.type, {
                type: 'contact',
                id: message.data.id,
                data: message.data
            }, getSocketUserRoom(contact.user_one_id));

            publishMessage(message.type, {
                type: 'contact',
                id: message.data.id,
                data: message.data
            }, getSocketUserRoom(contact.user_two_id));

            // Cache
            useContactEventCache()
                .setContact(contact)
                .then(r => r);
        },
        contactDeleted: async(message: QueueMessage) => {
            const contact = <AuthContact> message.data;

            publishMessage(message.type, {
                type: 'contact',
                id: message.data.id,
                data: message.data
            }, getSocketUserRoom(contact.user_one_id));

            // Cache
            const contactCache = useContactEventCache();
            contactCache
                .dropContact(contact.id)
                .then(r => r);

            contactCache
                .dropUserContactId(contact.user_one_id, contact.id)
                .then(r => r);

            contactCache
                .dropUserContactId(contact.user_two_id, contact.id)
                .then(r => r);
        },
        contactDataCreated: async(message: QueueMessage) => {
            const shareData = <AuthContactData> message.data;

            publishMessage(message.type, {
                type: 'contactData',
                id: message.data.id,
                data: message.data
            }, getSocketUserRoom(shareData.to_user_id));
        },
        contactDataUpdated: async(message: QueueMessage) => {
            const shareData = <AuthContactData> message.data;

            publishMessage(message.type, {
                type: 'contactData',
                id: message.data.id,
                data: message.data
            }, getSocketUserRoom(shareData.to_user_id))
        },
        contactDataDeleted: async(message: QueueMessage) => {
            const shareData = <AuthContactData> message.data;

            publishMessage(message.type, {
                type: 'contactData',
                id: message.data.id,
                data: message.data
            }, getSocketUserRoom(shareData.to_user_id));
        }
    }
}

export function buildContactAggregator() {
    const handlers = createContactAggregatorHandlers({
        namespace: '/'
    });

    function start() {
        return consumeMessageQueue('contact.event', ((async (channel, msg) => {
            try {
                await handleMessageQueueChannel(channel, handlers, msg);
                await channel.ack(msg);
            } catch (e) {
                console.log(e);
                await channel.reject(msg, false);
            }
        })));
    }

    return {
        start
    }
}