'use strict';

const unprint = require('unprint');

const { convert } = require('../utils/convert');

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

	release.entryId = data.slug;
	release.url = `${channel.origin}/scenes/${data.slug}`;

	release.title = data.title;
	release.description = data.description;

	release.date = unprint.extractDate(data.publish_date, 'YYYY/MM/DD HH:mm:ss');
	release.duration = data.seconds_duration || unprint.extractDuration(data.videos_duration);

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

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

	release.poster = [
		data.trailer_screencap,
		data.thumb,
		data.extra_thumbnails?.[0],
	].filter(Boolean);

	release.photos = data.extra_thumbnails?.slice(1); // first photo is poster
	release.caps = data.thumbs;

	release.trailer = data.trailer_url || null; // empty string if missing

	// photo count / photos duration isn't reliable, exactly 1000 for most All Anal scenes

	return release;
}

async function fetchLatest(channel, page = 1) {
	const url = `${channel.url}/scenes?page=${page}`;
	const res = await unprint.get(url);

	if (res.ok) {
		if (res.context.query.exists('a[href*="stackpath.com"]')) {
			throw new Error('URL blocked by StackPath');
		}

		const scenes = res.context.query.json('#__NEXT_DATA__')?.props.pageProps.contents.data;

		if (scenes) {
			return scenes.map((scene) => scrapeScene(scene, channel));
		}

		return null;
	}

	return res.status;
}

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

	const res = await unprint.get(url);

	if (res.ok) {
		if (res.context.query.exists('a[href*="stackpath.com"]')) {
			throw new Error('URL blocked by StackPath');
		}

		const scene = res.context.query.json('#__NEXT_DATA__')?.props.pageProps.content;

		if (scene) {
			return scrapeScene(scene, channel);
		}

		return null;
	}

	return res.status;
}

async function scrapeProfile(data) {
	const profile = {};
	// unreliable key case, lowercase all
	const bio = Object.fromEntries(Object.entries(data).map(([key, value]) => [key.toLowerCase(), value]));

	profile.entryId = bio.id;

	profile.gender = bio.gender;
	profile.description = bio.bio;

	profile.birthPlace = bio.born;
	profile.dateOfBirth = unprint.extractDate(bio.birthdate, 'YYYY-MM-DD');
	profile.age = bio.age; // not always in data even when displayed on site

	profile.measurements = bio.measurements;
	profile.height = convert(bio.height, 'cm');
	profile.weight = convert(bio.weight, 'lb', 'kg');

	profile.eyes = bio.eyes;
	profile.hairColor = bio.hair;

	profile.avatar = bio.thumb;

	const tags = bio.tags?.split(',') || [];

	if (tags.includes('tattoos')) profile.hasTattoos = true;
	if (tags.includes('piercing')) profile.hasPiercings = true;

	return profile;
}

async function fetchProfile(actor, context) {
	const url = `${context.channel.url}/models/${actor.slug}`;

	const res = await unprint.get(url);

	if (res.ok) {
		const data = res.context.query.json('#__NEXT_DATA__');

		if (data.props.pageProps.model) {
			return scrapeProfile(data.props.pageProps.model, context.channel);
		}

		return null;
	}

	return res.status;
}

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