const fs = require('fs')
const cheerio = require('cheerio')
const fetch = require('node-fetch')
const epub = require('epub-gen')

const books = []

if (!fs.existsSync('output')) {
    fs.mkdirSync('output')
}

const metadata = (volume) => ({
    title: `The Wandering Inn - Volume ${volume}`,
    author: ['Pirateaba'],
    cover: 'https://i.pinimg.com/originals/0b/fd/cf/0bfdcfb42ba3ff0a22f4a7bc52928af4.png',
    output: `output/The Wandering Inn - Volume ${volume}.epub`,
    version: 3,
    lang: 'en',
    appendChapterTitles: true,
    content: [],
    links: [],
    verbose: true,
    description: 'A tale of a girl, an inn, and a world full of levels',
})

const fetchPage = async (url) => {
    const response = await fetch(url)
    const responseHtml = await response.text()
    const html = cheerio.load(responseHtml)

    const title = html('h1.entry-title').text()
    const content = html('div.entry-content')
    content.find('a').remove()
    content.find('div.tiled-gallery').remove()
    const data = content.html()

    console.log(title)

    return {
        title,
        data,
    }
}

(async () => {
    const response = await fetch('https://wanderinginn.com/table-of-contents/')
    const responseHtml = await response.text()
    const html = cheerio.load(responseHtml)

    const content = html('div.entry-content > p')
    let volume = 0;

    content.each((i, el) => {
        if (i % 2 === 0) {
            volume = html(el).text().replace(/Volume /, '').trim()
            books.push(metadata(volume))
        } else {
            html('a', el).each((i, el) => {
                books[volume - 1].links.push(html(el).attr('href'))
            })
        }
    })

    books.map(async book => {
        for (const link of book.links) {
            book.content.push(await fetchPage(link))
        }

        new epub(book)
    })
})()