'use strict';

const knex = require('./knex');
const logger = require('./logger')(__filename);
const bulkInsert = require('./utils/bulk-insert');

async function updateSceneSearch(releaseIds) {
	logger.info(`Updating search documents for ${releaseIds ? releaseIds.length : 'all' } releases`);

	const documents = await knex.raw(`
        SELECT
            releases.id AS release_id,
            TO_TSVECTOR(
                'english',
                COALESCE(releases.title, '') || ' ' ||
                releases.entry_id || ' ' ||
                entities.name || ' ' ||
                entities.slug || ' ' ||
                COALESCE(array_to_string(entities.alias, ' '), '') || ' ' ||
                COALESCE(parents.name, '') || ' ' ||
                COALESCE(parents.slug, '') || ' ' ||
                COALESCE(array_to_string(parents.alias, ' '), '') || ' ' ||
                COALESCE(releases.shoot_id, '') || ' ' ||
                COALESCE(TO_CHAR(releases.date, 'YYYY YY MM FMMM FMMonth mon DD FMDD'), '') || ' ' ||
                STRING_AGG(COALESCE(actors.name, ''), ' ') || ' ' ||
                STRING_AGG(COALESCE(directors.name, ''), ' ') || ' ' ||
                STRING_AGG(COALESCE(tags.name, ''), ' ') || ' ' ||
                STRING_AGG(COALESCE(tags_aliases.name, ''), ' ')
            ) as document
        FROM releases
        LEFT JOIN entities ON releases.entity_id = entities.id
        LEFT JOIN entities AS parents ON parents.id = entities.parent_id
        LEFT JOIN releases_actors AS local_actors ON local_actors.release_id = releases.id
        LEFT JOIN releases_directors AS local_directors ON local_directors.release_id = releases.id
        LEFT JOIN releases_tags AS local_tags ON local_tags.release_id = releases.id
        LEFT JOIN actors ON local_actors.actor_id = actors.id
        LEFT JOIN actors AS directors ON local_directors.director_id = directors.id
        LEFT JOIN tags ON local_tags.tag_id = tags.id AND tags.priority >= 6
        LEFT JOIN tags as tags_aliases ON local_tags.tag_id = tags_aliases.alias_for AND tags_aliases.secondary = true
        ${releaseIds ? 'WHERE releases.id = ANY(?)' : ''}
        GROUP BY releases.id, entities.name, entities.slug, entities.alias, parents.name, parents.slug, parents.alias;
    `, releaseIds && [releaseIds]);

	if (documents.rows?.length > 0) {
		await bulkInsert('releases_search', documents.rows, ['release_id']);
	}

	await knex.raw('REFRESH MATERIALIZED VIEW releases_summaries;');
}

async function updateMovieSearch(movieIds, target = 'movie') {
	logger.info(`Updating search documents for ${movieIds ? movieIds.length : 'all' } ${target}s`);

	const documents = await knex.raw(`
		SELECT
			${target}s.id AS ${target}_id,
				TO_TSVECTOR(
				'english',
					COALESCE(${target}s.title, '') || ' ' ||
					entities.name || ' ' ||
					entities.slug || ' ' ||
					COALESCE(array_to_string(entities.alias, ' '), '') || ' ' ||
					COALESCE(parents.name, '') || ' ' ||
					COALESCE(parents.slug, '') || ' ' ||
					COALESCE(array_to_string(parents.alias, ' '), '') || ' ' ||
					COALESCE(TO_CHAR(${target}s.date, 'YYYY YY MM FMMM FMMonth mon DD FMDD'), '') || ' ' ||
					STRING_AGG(COALESCE(releases.title, ''), ' ') || ' ' ||
					STRING_AGG(COALESCE(actors.name, ''), ' ') || ' ' ||
					STRING_AGG(COALESCE(tags.name, ''), ' ')
			) as document
		FROM ${target}s
		LEFT JOIN entities ON ${target}s.entity_id = entities.id
		LEFT JOIN entities AS parents ON parents.id = entities.parent_id
		LEFT JOIN ${target}s_scenes ON ${target}s_scenes.${target}_id = ${target}s.id
		LEFT JOIN releases ON releases.id = ${target}s_scenes.scene_id
		LEFT JOIN releases_actors ON releases_actors.release_id = ${target}s_scenes.scene_id
		LEFT JOIN releases_tags ON releases_tags.release_id = releases.id
		LEFT JOIN actors ON actors.id = releases_actors.actor_id
		LEFT JOIN tags ON tags.id = releases_tags.tag_id
        ${movieIds ? `WHERE ${target}s.id = ANY(?)` : ''}
		GROUP BY ${target}s.id, entities.name, entities.slug, entities.alias, parents.name, parents.slug, parents.alias;
    `, movieIds && [movieIds]);

	if (documents.rows?.length > 0) {
		await bulkInsert(`${target}s_search`, documents.rows, [`${target}_id`]);
	}
}

module.exports = {
	updateSceneSearch,
	updateMovieSearch,
};