'use strict';

const http = require('../utils/http');
const qu = require('../utils/qu');
const { extractDate } = require('../utils/qu');
const { inchesToCm } = require('../utils/convert');
const slugify = require('../utils/slugify');
const capitalize = require('../utils/capitalize');

const clusterId = '617fb597b659459bafe6472470d9073a';
const authKey = 'YmFuZy1yZWFkOktqVDN0RzJacmQ1TFNRazI=';

const genderMap = {
	M: 'male',
	F: 'female',
};

function getScreenUrl(item, scene) {
	if (!scene.dvd?.id || !item?.screenId) {
		return null;
	}

	return `https://i.bang.com/screenshots/${scene.dvd.id}/${scene.type}/${scene.order}/${item.screenId}.jpg`;
}

function encodeId(id) {
	return Buffer
		.from(id, 'hex')
		.toString('base64')
		.replace(/\+/g, '-')
		.replace(/\//g, '_')
		.replace(/=/g, ',');
}

function decodeId(id) {
	const restoredId = id
		.replace(/-/g, '+')
		.replace(/_/g, '/')
		.replace(/,/g, '=');

	return Buffer
		.from(restoredId, 'base64')
		.toString('hex');
}

async function fetchPhotos(scene) {
	const photoPaths = Array.from({ length: scene.photos }, (value, index) => `/${scene.dvd.id}/${scene.identifier}/final/${String(index + 1).padStart(6, '0')}.jpg`);

	const res = await http.post('https://www.bang.com/sign-images', {
		images: photoPaths,
	}, {
		encodeJSON: false,
	});

	if (res.ok && res.body.images) {
		return res.body.images.map((image) => qu.prefixUrl(image, 'https://photos.bang.com'));
	}

	return null;
}

async function scrapeScene(scene, entity, options) {
	const release = {
		entryId: scene.id,
		title: scene.name || (scene.dvd?.name && scene.type === 'bonus' && capitalize(`${scene.dvd.name} - Bonus Scene ${scene.order || 1}`)) || null,
		description: scene.description,
		tags: scene.genres.concat(scene.actions).map((genre) => genre.name),
		duration: scene.duration,
	};

	const slug = slugify(release.title);
	release.url = `https://www.bang.com/video/${encodeId(release.entryId)}/${slug}`;

	const date = new Date(scene.releaseDate);
	release.date = new Date(Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate()));

	release.actors = scene.actors.map((actor) => ({ name: actor.name, gender: genderMap[actor.gender] }));

	if (scene.is4k) release.tags.push('4k');
	if (scene.gay) release.tags.push('gay');

	const defaultPoster = scene.screenshots.find((photo) => photo.default === true);
	const screens = scene.screenshots.filter((photo) => photo.default === false);

	const remainingScreens = defaultPoster ? screens : screens.slice(1);
	const poster = defaultPoster || screens[0];

	release.poster = getScreenUrl(poster, scene);
	release.photos = remainingScreens.map((photo) => getScreenUrl(photo, scene));

	if (options?.includePhotos) {
		const photos = await fetchPhotos(scene);

		if (photos?.length > 0) {
			release.photos = photos;
		}
	}

	release.teaser = `https://i.bang.com/v/${scene.dvd.id}/${scene.identifier}/preview.mp4`;

	release.channel = scene.series.name
		.replace(/[! .]/g, '')
		.replace('&', 'and');

	return release;
}

function scrapeAll(scenes, entity) {
	return Promise.all(scenes.map(({ _source: scene }) => scrapeScene(scene, entity)));
}

async function fetchActorReleases(actor, entity) {
	const res = await http.post(`https://${clusterId}.us-east-1.aws.found.io/videos/video/_search`, {
		size: 50,
		query: {
			bool: {
				must: [
					{
						match: {
							status: 'ok',
						},
					},
					{
						nested: {
							path: 'actors',
							query: {
								bool: {
									must: [
										{
											match: {
												'actors.mongoId': {
													operator: 'AND',
													query: actor.id,
												},
											},
										},
									],
								},
							},
						},
					},
				],
				must_not: [
					{
						match: {
							type: 'trailer',
						},
					},
				],
			},
		},
		sort: [
			{
				releaseDate: {
					order: 'desc',
				},
			},
		],
	}, {
		encodeJSON: true,
		headers: {
			Authorization: `Basic ${authKey}`,
		},
	});

	return scrapeAll(res.body.hits.hits, entity);
}

async function scrapeProfile(actor, entity, include) {
	const profile = {};

	profile.aliases = actor.aliases;
	profile.dateOfBirth = extractDate(actor.birthDate);
	profile.gender = ({ F: 'female', M: 'male' })[actor.gender];

	profile.ethnicity = actor.ethnicity;
	profile.nationality = actor.nationality;
	profile.birthPlace = `${actor.birthCity}, ${actor.birthCountry || ''}`;

	profile.hair = actor.hairColor;
	profile.eyes = actor.eyeColor;

	profile.naturalBoobs = actor.naturalBreasts;

	if (actor.measurements) {
		const { cupSize, shoulder, chest, waist, height } = actor.measurements;

		if (height) profile.height = inchesToCm(height);
		if (cupSize) profile.cup = cupSize;

		// [SIC]
		if (shoulder) profile.bust = shoulder;
		if (chest) profile.waist = chest;
		if (waist) profile.hip = waist;
	}

	if (actor.twitter) profile.social = [`https://www.twitter.com/${actor.twitter}`];
	if (actor.image) profile.avatar = `https://i.bang.com/pornstars/${actor.identifier}.jpg`;

	if (include.releases) {
		profile.releases = await fetchActorReleases(actor, entity);
	}

	return profile;
}

async function fetchLatest(site, page = 1) {
	const res = await http.post(`https://${clusterId}.us-east-1.aws.found.io/videos/video/_search`, {
		size: 50,
		from: (page - 1) * 50,
		query: {
			bool: {
				must: [
					{
						match: {
							status: 'ok',
						},
					},
					{
						range: {
							releaseDate: {
								lte: 'now',
							},
						},
					},
					/*
                     * global fetch
                    {
                        nested: {
                            path: 'studio',
                            query: {
                                bool: {
                                    must: [
                                        {
                                            match: {
                                                'studio.name': {
                                                    operator: 'AND',
                                                    query: 'bang! originals',
                                                },
                                            },
                                        },
                                    ],
                                },
                            },
                        },
                    },
                    */
					{
						nested: {
							path: 'series',
							query: {
								bool: {
									must: [
										{
											match: {
												'series.id': {
													operator: 'AND',
													query: site.parameters.siteId,
												},
											},
										},
									],
								},
							},
						},
					},
				],
				must_not: [
					{
						match: {
							type: 'trailer',
						},
					},
				],
			},
		},
		sort: [
			{
				releaseDate: {
					order: 'desc',
				},
			},
		],
	}, {
		encodeJSON: true,
		headers: {
			Authorization: `Basic ${authKey}`,
		},
	});

	return scrapeAll(res.body.hits.hits, site);
}

async function fetchUpcoming(site, page = 1) {
	const res = await http.post(`https://${clusterId}.us-east-1.aws.found.io/videos/video/_search`, {
		size: 50,
		from: (page - 1) * 50,
		query: {
			bool: {
				must: [
					{
						match: {
							status: 'ok',
						},
					},
					{
						range: {
							releaseDate: {
								lte: 'now+7d',
							},
						},
					},
					{
						nested: {
							path: 'series',
							query: {
								bool: {
									must: [
										{
											match: {
												'series.id': {
													operator: 'AND',
													query: site.parameters.siteId,
												},
											},
										},
									],
								},
							},
						},
					},
				],
				must_not: [
					{
						match: {
							type: 'trailer',
						},
					},
				],
			},
		},
		sort: [
			{
				releaseDate: {
					order: 'desc',
				},
			},
		],
	}, {
		encodeJSON: true,
		headers: {
			Authorization: `Basic ${authKey}`,
		},
	});

	return scrapeAll(res.body.hits.hits, site);
}

async function fetchScene(url, entity, baseRelease, options) {
	if (baseRelease?.entryId) {
		// overview and deep data is the same, don't hit server unnecessarily
		return baseRelease;
	}

	const encodedId = new URL(url).pathname.split('/')[2];
	const entryId = decodeId(encodedId);

	const res = await http.get(`https://${clusterId}.us-east-1.aws.found.io/videos/video/${entryId}`, {
		headers: {
			Authorization: `Basic ${authKey}`,
		},
	});

	return scrapeScene(res.body._source, entity, options); // eslint-disable-line no-underscore-dangle
}

async function fetchProfile({ name: actorName }, context, include) {
	const res = await http.post(`https://${clusterId}.us-east-1.aws.found.io/actors/actor/_search`, {
		size: 5,
		sort: [{
			_score: {
				order: 'desc',
			},
		}],
		query: {
			bool: {
				must: [
					{
						match: {
							name: {
								query: actorName,
								operator: 'and',
							},
						},
					},
					{
						match: {
							status: 'ok',
						},
					},
				],
			},
		},
	}, {
		headers: {
			Authorization: `Basic ${authKey}`,
		},
		encodeJSON: true,
	});

	if (res.ok) {
		const actor = res.body.hits.hits.find((hit) => hit._source.name.toLowerCase() === actorName.toLowerCase());

		if (actor) {
			return scrapeProfile(actor._source, context.entity, include);
		}

		return null;
	}

	return res.status;
}

module.exports = {
	fetchLatest,
	fetchProfile,
	fetchScene,
	fetchUpcoming,
};