import { UTXOEngine } from "./engine.js"
import { markdownTable } from 'https://cdn.skypack.dev/markdown-table@3?dts'

const utxo = new UTXOEngine({ silent: true })
await utxo.init()

// get 2022
const entry = utxo.entries['22']

// SPEAKERS
const speakers = entry.specs.speakers
const sortedSpeakers = speakers.sort((a, b) => a.name.localeCompare(b.name))
const tracks = entry.specs.tracks

const methods = {

  // SPEAKERS - table
  async speakersTableGen () {

    const speakersTableArr = [[ 'Jméno', 'Organizace' ]]
    for (const speaker of sortedSpeakers) {
      const name = `**${speaker.name}**`
      speakersTableArr.push([ 
        (speaker.twitter ? `[${name}](https://twitter.com/${speaker.twitter})` : name) + (speaker.nickname ? ` (${speaker.nickname})` : ''),
        speaker.orgs ? speaker.orgs.trim() : ''
      ])
    }
    const speakersTable = `Celkem přednášejících: **${speakers.length}**\n\n_(abecedně)_\n\n` + markdownTable(speakersTableArr)
    //console.log(speakersTable)
    return speakersTable
  },

  // SPEAKERS - leads
  async speakersLeadsGen () {

    const speakersLeadsArr = []
    for (const speaker of sortedSpeakers.filter(speaker => speaker.lead)) {
      const orgs = speaker.orgs ? `\n* ${speaker.orgs.trim('\n')}` : ''
      const socials = []
      if (speaker.twitter) {
        socials.push(`Twitter: [@${speaker.twitter}](https://twitter.com/${speaker.twitter})`)
      }
      if (speaker.web) {
        socials.push(`Web: [${speaker.web.name ? speaker.web.name : speaker.name}](${speaker.web.url})`)
      }
      const img = `![](https://spec.utxo.cz/22/photos/speakers/${speaker.id}-sm.png)`
      const item = `### ${img} ${speaker.name}\n\n* ${speaker.bio.trim()}${orgs}\n* ${socials.join(', ')}`;
      speakersLeadsArr.push(item)
    }

    const speakersLeads = `_(abecedně)_\n\n` + speakersLeadsArr.join('\n\n')
    //console.log(speakersLeads)
    return speakersLeads
  },

  // SPEAKERS - write file

  async speakersBuild () {
    const speakersDocFile = './docs/prednasejici.md'
    const speakersText = await Deno.readTextFile(speakersDocFile)
    let output = speakersText
    output = output.replace(/## Významní hosté([\s\S]+)## Seznam/m, `## Významní hosté\n\n${await methods.speakersLeadsGen()}\n\n## Seznam`)
    output = output.replace(/## Seznam všech přednášejících([\s\S]+)### Datový/m, `## Seznam všech přednášejících\n\n${await methods.speakersTableGen()}\n\n### Datový`)
    await Deno.writeTextFile(speakersDocFile, output)
  },

  // TRACKS
  async tracksGen () {

    const output = []
    for (const track of tracks) {
      output.push(`<details>\n\n<summary>${track.name}</summary>\n\n${track.examples.trim()}\n\n</details>`)
    }

    return `Přednášky a workshopy budou rozděleny do **${tracks.length} tématických programových sekcí**. Níže naleznete jejich přehled a relevantní příklady.\n\n` + output.join('\n\n')
  },

  async tracksBuild () {
    const sourceFile = './docs/hlavni-program.md'
    const sourceText = await Deno.readTextFile(sourceFile)
    let output = sourceText
    output = output.replace(/## Programové sekce([\s\S]+)## Časová/m, `## Programové sekce\n\n${await methods.tracksGen()}\n\n## Časová`)
    await Deno.writeTextFile(sourceFile, output)
  },

  // FAQs
  async faqsGen () {
    const output = []
    for (const item of entry.specs.faqs) {
      output.push(`<details>\n\n<summary>${item.question.trim()}</summary>\n\n${item.answer.trim()}\n\n</details>`)
    }
    return output.join("\n\n")
  },

  async faqsBuild () {
    const docFile = './docs/faq.md'
    const docText = await Deno.readTextFile(docFile)
    const faqs = await this.faqsGen()
    let output = docText
    output = output.replace(/# FAQ[\s\S]+/m, `# FAQ\n\n${faqs}\n`)

    // TODO replace
    await Deno.writeTextFile(docFile, output)
  }
}
  

if (!Deno.args[0]) {
  await methods.speakersBuild()
  await methods.tracksBuild()
  await methods.faqsBuild()
  console.log('done')
} else {
  console.log(await methods[Deno.args[0]]())
}