'use strict';

const qu = require('../utils/q');
const { lbsToKg, feetInchesToCm } = require('../utils/convert');

function scrapeScene(data, channel) {
	const release = {};

	release.entryId = data.id;
	release.url = qu.prefixUrl(`/videos/${data.slug}`, channel.url);

	release.title = data.title;
	release.description = data.description;
	release.date = qu.parseDate(data.publish_date, 'YYYY/MM/DD HH:mm:ss');
	release.duration = qu.durationToSeconds(data.videos_duration);

	release.actors = data?.models_thumbs.map((model) => ({
		name: model.name,
		url: qu.prefixUrl(`/models/${model.slug}`, channel.url),
		avatar: model.thumb,
	})) || data.models;

	release.tags = data.tags;

	release.poster = [data.trailer_screencap].concat(data.extra_thumbnails);
	release.photos = data.previews.full
		.map((url) => [url, url.replace('full/', 'thumbs/')]) // photos
		.concat(data.thumbs); // screenshots

	release.trailer = data.trailer_url;
	release.teaser = data.special_thumbnails;

	release.qualities = data.videos && Object.values(data.videos).map((video) => video.height);
	release.rating = data.rating;

	return release;
}

function scrapeProfile(data, scenes, entity) {
	const profile = {};

	profile.entryId = data.id;
	profile.url = qu.prefixUrl(`/models/${data.slug}`, entity.url);

	profile.description = data.Bio || data.bio;
	profile.birthPlace = data.Born || data.born;
	profile.dateOfBirth = qu.parseDate(data.Birthdate || data.birthdate, 'YYYY-MM-DD');

	profile.measurements = data.Measurements || data.Measurements;
	profile.height = feetInchesToCm(data.Height || data.height);
	profile.weight = lbsToKg(data.Weight || data.weight);

	profile.eyes = data.Eyes || data.eyes;
	profile.hairColor = data.Hair || data.hair;

	profile.avatar = data.thumb;

	profile.scenes = scenes?.map((scene) => scrapeScene(scene, entity));

	return profile;
}

async function fetchLatest(channel, page = 1) {
	const url = `${channel.url}/videos?order_by=publish_date&per_page=100&page=${page}`; // unsure if page works, not enough videos as of 2022-05-29
	const res = await qu.get(url);

	if (res.ok) {
		const dataString = res.item.query.html('#__NEXT_DATA__');
		const data = dataString && JSON.parse(dataString);

		if (data.props?.pageProps?.contents?.data) {
			return data.props.pageProps.contents.data.map((scene) => scrapeScene(scene, channel));
		}

		return null;
	}

	return res.status;
}

async function fetchScene(url, channel, baseRelease) {
	if (baseRelease.entryId) {
		// deep data is identical to update data
		return baseRelease;
	}

	const res = await qu.get(url);

	if (res.ok) {
		const dataString = res.item.query.html('#__NEXT_DATA__');
		const data = dataString && JSON.parse(dataString);

		if (data.props?.pageProps?.content) {
			return scrapeScene(data.props.pageProps.content, channel);
		}

		return null;
	}

	return res.status;
}

async function fetchProfile({ slug }, entity) {
	const url = `${entity.url}/models/${slug}`;
	const res = await qu.get(url);

	if (res.ok) {
		const dataString = res.item.query.html('#__NEXT_DATA__');
		const data = dataString && JSON.parse(dataString);

		if (data.props?.pageProps?.model) {
			return scrapeProfile(data.props.pageProps.model, data.props.pageProps.model_contents, entity);
		}

		return null;
	}

	return res.status;
}

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