// import * as SphinxBot from '../../../sphinx-bot' 
import * as Sphinx from 'sphinx-bot'
import { finalAction } from '../controllers/actions'
import * as path from 'path'
import * as WelcomeBot from './welcome'
import * as LoopBot from './loop'
import { models } from '../models'
import fetch from 'node-fetch'
const msg_types = Sphinx.MSG_TYPE

const env = process.env.NODE_ENV || 'development'
const constants = require(path.join(__dirname, '../../config/constants.json'))
const config = require(path.join(__dirname, '../../config/app.json'))[env]

const builtinBots = [
  'welcome', 'loopout'
]

const builtInBotMsgTypes = {
  'welcome':[
    constants.message_types.message,
    constants.message_types.group_join
  ],
}

const builtInBotNames = {
  welcome:'WelcomeBot',
  // btc:'BitcoinBot',
  loopout:'LoopBot',
}

export function init() {

  const client = new Sphinx.Client()
  client.login('_', finalAction)

  client.on(msg_types.MESSAGE, async (message: Sphinx.Message) => {
    const arr = message.content.split(' ')
    if (arr.length < 2) return
    if (arr[0]!=='/bot') return
    const cmd = arr[1]
    switch (cmd) {

      case 'install':
        if (arr.length < 3) return
        const botName = arr[2]

        if(builtinBots.includes(botName)) {
          console.log("INSTALL", botName)
          const chat = await models.Chat.findOne({where:{
            uuid: message.channel.id
          }})
          if(!chat) return
          const existing = await models.ChatBot.findOne({where:{
            chatId: chat.id, botPrefix: '/'+botName,
          }})
          if (existing) {
            const embed = new Sphinx.MessageEmbed()
              .setAuthor('MotherBot')
              .setDescription(botName + ' already installed')
            return message.channel.send({ embed })
          }
          const msgTypes = builtInBotMsgTypes[botName] || [
            constants.message_types.message
          ]
          const chatBot = {
            chatId: chat.id, 
            botPrefix: '/'+botName, 
            botType:constants.bot_types.builtin,
            msgTypes:JSON.stringify(msgTypes),
            pricePerUse:0,
          }
          await models.ChatBot.create(chatBot)
          if(botName==='welcome') {
            WelcomeBot.init()
          }
          if(botName==='loopout') {
            LoopBot.init()
          }
          const theName = builtInBotNames[botName] || 'Bot'
          const embed = new Sphinx.MessageEmbed()
            .setAuthor('MotherBot')
            .setDescription(theName+' has been installed!')
          message.channel.send({ embed })
        } else {
          const bot = await getBotByName(botName)
          if(bot && bot.uuid) {
            console.log('=> FOUDN BOT', bot)
            // send msg to bot owner
            // await models.ChatBot.create(chatBot)
          } else {
            const embed = new Sphinx.MessageEmbed()
              .setAuthor('MotherBot')
              .setDescription('No bot with that name')
            message.channel.send({ embed })
          }
        }
        return true

      case 'search':
        if (arr.length < 2) return
        const query = arr[2]
        const bots = await searchBots(query)
        if(bots.length===0) {
          const embed = new Sphinx.MessageEmbed()
            .setAuthor('MotherBot')
            .setDescription('No bots found')
          return message.channel.send({ embed })
        }
        const embed3 = new Sphinx.MessageEmbed()
          .setAuthor('MotherBot')
          .setTitle('Bots:')
          .addFields(bots.map(b=> {
            const maxLength = 35
            const value = b.description.length>maxLength ? 
              b.description.substr(0,maxLength)+'...' :
              b.description
            return ({name:b.unique_name, value})
          }))
          .setThumbnail(botSVG)
        message.channel.send({ embed:embed3 })
        return true
        
      default:
        const embed = new Sphinx.MessageEmbed()
          .setAuthor('MotherBot')
          .setTitle('Bot Commands:')
          .addFields([
            { name: 'Install a new bot', value: '/bot install {BOTNAME}' },
            { name: 'Help', value: '/bot help' }
          ])
          .setThumbnail(botSVG)
        message.channel.send({ embed })
    }
  })
}

const botSVG = `<svg viewBox="64 64 896 896" height="16" width="16" fill="white">
  <path d="M300 328a60 60 0 10120 0 60 60 0 10-120 0zM852 64H172c-17.7 0-32 14.3-32 32v660c0 17.7 14.3 32 32 32h680c17.7 0 32-14.3 32-32V96c0-17.7-14.3-32-32-32zm-32 660H204V128h616v596zM604 328a60 60 0 10120 0 60 60 0 10-120 0zm250.2 556H169.8c-16.5 0-29.8 14.3-29.8 32v36c0 4.4 3.3 8 7.4 8h729.1c4.1 0 7.4-3.6 7.4-8v-36c.1-17.7-13.2-32-29.7-32zM664 508H360c-4.4 0-8 3.6-8 8v60c0 4.4 3.6 8 8 8h304c4.4 0 8-3.6 8-8v-60c0-4.4-3.6-8-8-8z" />
</svg>`

async function searchBots(q:string) {
  try {
    const r = await fetch(`https://${config.tribes_host}/search/bots/${q}`)
    const j = await r.json()
    return Array.isArray(j) ? j : []
  } catch(e) {
    return []
  }
}
async function getBotByName(name:string) {
  try {
    const r = await fetch(`https://${config.tribes_host}/bot/${name}`)
    const j = await r.json()
    if(j&&j.uuid&&j.owner_pubkey) {
      return j
    }
    return null
  } catch(e) {
    return null
  }
}