'use strict';

const router = require('express').Router();
const search = require('>/controller/search');
const { Torrent, Wanted } = require('>/models');

// Step 1: fuzzy query -> a few TMDB title candidates( with posters) to confirm.
router.get('/title', async function(req, res, next){
	try{
		res.json({results: await search.tmdbSearch(req.query.q)});
	}catch(error){
		next(error);
	}
});

// Step 2: confirmed title -> TPB search + LLM-curated release options.
router.post('/releases', async function(req, res, next){
	try{
		let result = await search.findReleases(req.body.tmdbId, req.body.mediaType);

		// Nothing good yet( e.g. unreleased) -> remember it and grab it later.
		if(!result.options.length && result.mediaType !== 'tv' && result.tmdbId){
			await Wanted.upsert({
				tmdbId: String(result.tmdbId),
				mediaType: result.mediaType,
				title: result.title,
				year: result.year,
				status: 'wanted',
				requestedBy: req.user.username,
			});
			result.remembered = true;
		}

		res.json(result);
	}catch(error){
		next(error);
	}
});

// Wishlist: things we couldn't find yet and are watching for.
router.get('/wanted', async function(req, res, next){
	try{
		res.json(await Wanted.findAll({ order: [['createdAt', 'DESC']] }));
	}catch(error){
		next(error);
	}
});

router.delete('/wanted/:tmdbId', async function(req, res, next){
	try{
		let wanted = await Wanted.findByPk(req.params.tmdbId);
		if(wanted) await wanted.destroy();
		res.json({ deleted: true });
	}catch(error){
		next(error);
	}
});

// TV: which seasons you have vs are missing (Emby inventory vs TMDB counts).
router.get('/seasons', async function(req, res, next){
	try{
		res.json(await search.seasonPlan(req.query.tmdbId));
	}catch(error){
		next(error);
	}
});

// TV: queue the best complete-season pack for every missing/incomplete season.
router.post('/fill', async function(req, res, next){
	try{
		let plan = await search.fillMissing(req.body.tmdbId);
		let queued = [];
		for(let pick of plan.picks){
			try{
				await Torrent.create({
					magnetLink: pick.magnetLink,
					isPrivate: false,
					added_by: req.user.username,
					category: pick.category,
				});
				queued.push({ type: pick.type, season: pick.season, episode: pick.episode, name: pick.name });
			}catch(error){
				plan.skipped.push({ season: pick.season, episode: pick.episode, reason: error.message });
			}
		}
		res.json({ title: plan.title, year: plan.year, queued, skipped: plan.skipped });
	}catch(error){
		next(error);
	}
});

module.exports = router;