'use strict';

const knex = require('./knex');
const slugify = require('./utils/slugify');
const capitalize = require('./utils/capitalize');

function toBaseActors(actorsOrNames, release) {
    return actorsOrNames.map((actorOrName) => {
        if (actorOrName.name) {
            return {
                ...actorOrName,
                name: capitalize(actorOrName.name),
                slug: slugify(actorOrName.name),
                networkId: release.site.network.id,
            };
        }

        return {
            name: capitalize(actorOrName),
            slug: slugify(actorOrName),
            networkId: release.site.network.id,
        };
    });
}

function curateActorEntry(baseActor) {
    const actorEntry = {
        name: baseActor.name,
        slug: baseActor.slug,
    };

    if (baseActor.name.split(/\s+/).length === 1) {
        // attach network ID for single names, to reduce mismatches
        actorEntry.network_id = baseActor.networkId;
    }

    return actorEntry;
}

function curateActorEntries(baseActors) {
    return baseActors.map(baseActor => curateActorEntry(baseActor));
}

async function getActors(baseActors) {
    const existingActors = await knex('actors')
        .whereIn('slug', baseActors.map(baseActor => baseActor.slug))
        .orWhereIn('name', baseActors.map(baseActor => baseActor.slug));

    if (existingActors.length === 0) {
        // TODO: TESTING ONLY
        await knex('actors').insert(curateActorEntries(baseActors.slice(0, 3)));
    }

    console.log(existingActors);
}

async function associateActors(releases) {
    const baseActorsByReleaseId = releases.reduce((acc, release) => {
        if (release.actors) {
            acc[release.id] = toBaseActors(release.actors, release);
        }

        return acc;
    }, {});

    const baseActors = Object.values(baseActorsByReleaseId).flat();
    const baseActorsBySlug = baseActors.reduce((acc, baseActor) => ({ ...acc, [baseActor.slug]: baseActor }), {});
    const uniqueBaseActors = Object.values(baseActorsBySlug);

    const actors = await getActors(uniqueBaseActors);

    console.log(actors);
}

module.exports = {
    associateActors,
};