import path from 'path'
import Game from './game.js'
import emoji from 'node-emoji'
import logTimestamp from 'log-timestamp'
import commander from 'bot-commander'
import showdown from 'showdown'
import uniqueRandomArray from 'unique-random-array'
import words from './assets/words.js'
import allWords from './assets/all_words.js'

import {
  fileURLToPath
} from 'url'

import {
  MatrixClient,
  MatrixAuth,
  SimpleFsStorageProvider,
  RustSdkCryptoStorageProvider,
  AutojoinRoomsMixin
} from 'matrix-bot-sdk'

const converter = new showdown.Converter()
const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)

const datasPath = process.env.MATRIX_DATA ?? (__dirname + '/datas')
const storage = new SimpleFsStorageProvider(datasPath + '/bot.json')
const cryptoProvider = new RustSdkCryptoStorageProvider(datasPath + '/crypto')

const url = process.env.MATRIX_URL
const username = process.env.MATRIX_USERNAME
const password = process.env.MATRIX_PASSWORD

const auth = new MatrixAuth(url)
const authClient = await auth.passwordLogin(username, password)
const token = authClient.accessToken

const client = new MatrixClient(url, token, storage, cryptoProvider)

const games = []
const randomSeeds = uniqueRandomArray(words.seeds);

const sendMessage = async (room, text) => {
  client.sendMessage(room, {
    'msgtype': 'm.text',
    'format': 'org.matrix.custom.html',
    'body': text,
    'formatted_body': converter.makeHtml(text),
  });
}

const renderMatrix = (game, options) => {
  const chars = {
    0: ':large_blue_square:',
    1: ':large_blue_square:',
    2: ':large_yellow_circle:',
    3: ':large_red_square:',
  }

  options = options ?? {}
  options.onlySigns = options.onlySigns ?? false
  options.hideNotPlayedLines = options.hideNotPlayedLines ?? false

  let render = '<table>'

  for (let row of game.matrix()) {
    const letters = (row.word ?? '.'.repeat(game.expectedWord.length)).split('')

    if (options.hideNotPlayedLines && !row.word) {
      continue
    }

    let signs = []

    for (let index in row.result) {
      signs.push(chars[row.result[index]])
    }

    const elements = options.onlySigns ? {signs} : {letters, signs}

    for (let key in elements) {
      render += '<tr>'

      for (let item of elements[key]) {
        render += `<td>${item}</td>`
      }

      render += '</tr>'
    }
  }

  render + '</table>'

  const markdown = emoji.emojify(render)

  return markdown
}

const startGame = async (meta, seed) => {
  let data

  if (seed) {
    const index = words.seeds.indexOf(seed)

    if (index === -1) {
      return await sendMessage(meta.room, 'Désolé mais cette seed n\'existe pas.')
    }

    data = words.datas[index]
  } else {
    seed = randomSeeds()
    data = words.datas[words.seeds.indexOf(seed)]
  }

  games[meta.room] = new Game(data, allWords)

  const firstLetter = data.substr(0, 1)
  const size = data.length

  await sendMessage(meta.room, `Le mot commence par la lettre \`${firstLetter}\` et contient ${size} lettres. Vous pouvez partager cette grille avec sa seed : \`${seed}\`.`)
  await sendMessage(meta.room, renderMatrix(games[meta.room]))

  console.log(`${meta.sender} on room ${meta.room} starts the game (${data})`)
}

commander
  .command('help')
  .description('`help` : affiche l\'aide')
  .action(async (meta) => {
    let message = []

    for (let command of commander.commands) {
      message.push('* ' + command._description)
    }

    const text = message.join("\n")

    sendMessage(meta.room, text);
  })

commander
  .command('start [seed]')
  .description('`start` ou `start seed` : démarrer une partie avec éventuellement la seed d\'une grille')
  .action(async (meta, seed) => {
    if (games.hasOwnProperty(meta.room)) {
      const currentGame = games[meta.room]

      if (!currentGame.isFinish()) {
        for (let item of [
          'Il y a une partie en cours !',
          'Le mot commence par la lettre `' + currentGame.expectedWord.substr(0, 1) + '`',
          renderMatrix(currentGame),
        ]) {
          await sendMessage(meta.room, item)
        }

        return
      }
    }

    startGame(meta, seed)
  })

commander
  .command('restart [seed]')
  .description('`restart` ou `restart seed` : démarrer une nouvelle partie avec éventuellement la seed d\'une grille')
  .action(async (meta, seed) => {
    startGame(meta, seed)
  })

commander
  .command('test [word]')
  .description('`test mot` : tester le mot `mot`')
  .action(async (meta, word) => {
    if (!games.hasOwnProperty(meta.room)) {
      return await sendMessage(
        meta.room,
        'Il n\'y a pas de partie en cours. Taper `start` pour en lancer une.'
      )
    }

    const currentGame = games[meta.room]

    if (currentGame.isFinish()) {
      return await sendMessage(
        meta.room,
        'La partie est terminée. Taper `restart` pour en lancer une nouvelle.'
      )
    }

    if (!currentGame.tryWord(word)) {
      return await sendMessage(
        meta.room,
        'Le mot de ne fait pas la bonne longueur ou n\'apparait pas dans le dictionnaire.'
      )
    }

    if (currentGame.isWon()) {
      await sendMessage(meta.room, 'Bravo ! Tu as découvert le mot !')

      return await sendMessage(meta.room, renderMatrix(currentGame, {
        onlySigns: true,
        hideNotPlayedLines: true,
      }))
    }

    if (currentGame.isFinish()) {
      const expectedWord = currentGame.expectedWord

      await sendMessage(
        meta.room,
        `Tes propositions sont épuisées… Le mot a deviner était \`${expectedWord}\``
      )

      return await sendMessage(meta.room, renderMatrix(currentGame, {
        onlySigns: true,
        hideNotPlayedLines: true,
      }))
    }

    await sendMessage(meta.room, renderMatrix(currentGame))
  })

AutojoinRoomsMixin.setupOnClient(client)

client
  .start()
  .then(() => console.log('Client started'))
  .catch(() => {
    console.error('An error occurred')
  })

client.on('room.message', (roomId, event) => {
  if (!event['content']) {
    return
  }

  const meta = {
    sender: event['sender'],
    body: event['content']['body'],
    room: roomId,
  }

  commander.parse(meta.body.toLowerCase(), meta)
})