'use strict';

const knex = require('./knex');

async function curateRelease(release) {
    const [actors, tags, media] = await Promise.all([
        knex('actors_associated')
            .select('actors.id', 'actors.name', 'actors.gender', 'actors.slug')
            .where({ release_id: release.id })
            .leftJoin('actors', 'actors.id', 'actors_associated.actor_id'),
        knex('tags_associated')
            .select('tags.tag', 'tags.slug')
            .where({ release_id: release.id })
            .leftJoin('tags', 'tags.id', 'tags_associated.tag_id'),
        knex('media')
            .where({ target_id: release.id })
            .orderBy('role'),
    ]);

    return {
        id: release.id,
        title: release.title,
        date: release.date,
        description: release.description,
        url: release.url,
        shootId: release.shoot_id,
        entryId: release.entry_id,
        actors,
        director: release.director,
        tags,
        photos: media.filter(item => item.role === 'photo'),
        poster: media.filter(item => item.role === 'poster')[0],
        trailer: media.filter(item => item.role === 'trailer')[0],
        rating: {
            likes: release.likes,
            dislikes: release.dislikes,
            stars: release.stars,
        },
        site: {
            id: release.site_id,
            name: release.site_name,
            url: release.site_url,
        },
        network: {
            id: release.network_id,
            name: release.network_name,
            url: release.network_url,
        },
    };
}

function curateReleases(releases) {
    return Promise.all(releases.map(async release => curateRelease(release)));
}

async function fetchReleases(releaseId) {
    // const thumbnails = await fs.readdir(path.join(config.thumbnailPath, release.site.id.toString(), release.id.toString()));

    const releases = await knex('releases')
        .where(releaseId ? { 'releases.id': releaseId } : {})
        .select('releases.*', 'sites.name as site_name', 'sites.url as site_url', 'sites.network_id', 'networks.name as network_name', 'networks.url as network_url')
        .leftJoin('sites', 'releases.site_id', 'sites.id')
        .leftJoin('networks', 'sites.network_id', 'networks.id')
        .orderBy('date', 'desc')
        .limit(100);

    return curateReleases(releases);
}

module.exports = {
    fetchReleases,
};