import { stringify } from '@brillout/json-serializer/stringify'; /* eslint-disable-line import/extensions */

import { fetchScenes } from '../scenes.js';
import { parseActorIdentifier } from '../query.js';
import { getIdsBySlug } from '../cache.js';
import slugify from '../../utils/slugify.js';
import promiseProps from '../../utils/promise-props.js';

export async function curateScenesQuery(query) {
	const splitTags = query.tags?.split(',') || [];
	const splitActors = query.actors?.split(',') || [];
	const splitEntities = query.e?.split(',') || [];
	const mainEntity = splitEntities.find((entity) => entity.charAt(0) !== '!');

	const {
		tagIds,
		notTagIds,
		entityId,
		notEntityIds,
	} = await promiseProps({
		tagIds: getIdsBySlug([query.tagSlug, ...splitTags.filter((tag) => tag.charAt(0) !== '!')], 'tags'),
		notTagIds: getIdsBySlug([...(query.tagFilter || []), ...(splitTags.filter((tag) => tag.charAt(0) === '!').map((tag) => tag.slice(1)) || [])].map((tag) => slugify(tag)), 'tags'),
		entityId: mainEntity ? await getIdsBySlug([mainEntity], 'entities').then(([id]) => id) : query.entityId,
		notEntityIds: await getIdsBySlug(splitEntities.filter((entity) => entity.charAt(0) === '!').map((entity) => entity.slice(1)), 'entities'),
	});

	return {
		scope: query.scope || 'latest',
		query: query.q,
		actorIds: [query.actorId, ...splitActors.filter((actor) => actor.charAt(0) !== '!').map((identifier) => parseActorIdentifier(identifier)?.id)].filter(Boolean),
		notActorIds: splitActors.filter((actor) => actor.charAt(0) === '!').map((identifier) => parseActorIdentifier(identifier.slice(1))?.id).filter(Boolean),
		tagIds,
		notTagIds: notTagIds.filter((tagId) => !tagIds.includes(tagId)), // included tags get priority over excluded tags
		entityId,
		notEntityIds,
		movieId: Number(query.movieId) || null,
		stashId: Number(query.stashId) || null,
	};
}

export async function fetchScenesApi(req, res) {
	const {
		scenes,
		aggActors,
		aggTags,
		aggChannels,
		limit,
		total,
	} = await fetchScenes(await curateScenesQuery({
		...req.query,
		tagFilter: req.tagFilter,
	}), {
		page: Number(req.query.page) || 1,
		limit: Number(req.query.limit) || 30,
	}, req.user);

	res.send(stringify({
		scenes,
		aggActors,
		aggTags,
		aggChannels,
		limit,
		total,
	}));
}