const { EmbedBuilder, AttachmentBuilder } = require('discord.js') // v14.11.0
const fetchPage = require('../../axios.js')
const fs = require('fs')
const https = require('https')
const Jimp = require('jimp')
const channelId = 'redacted'

async function getNewsPosts (discordClient) {
  try {
    const posts = await fetchPage(url)
    let postedIds
    let newIds = []
    const channel = await discordClient.channels.fetch(channelId)
    if (!channel) {
      console.error('Channel not found!')
      return
    }
    for (const post of posts.reverse()) {
      const postid = post.id
      if (newIds.includes(postid)) continue
      postedIds = await getPostedIds()
      if (!postedIds.includes(postid)) {
        // New post
        if (!post.thumbnail) {
          console.log("thumbnail null")
          continue
        }
        const jpghash = post.thumbnail.slice(0, -4)
        const pngOrJpg = post.thumbnail.slice(-4)
        const attachment = await getThumbnail(jpghash, pngOrJpg, postid)
        if (!attachment) {
          console.log("attachment null")
          continue
        }
        try {
          const prize = post.prizes
          const embed = new EmbedBuilder()
            .setTitle(post.name)
            .setURL(post.url)
            .setThumbnail(`https://i.gyazo.com/redacted.png`)
            .setImage(`attachment://${postid}.png`)
          if (prize) {
            embed.addFields({ name: 'Prizes', value: `${prize}`, inline: true })
          }
          // Send the message to the channel
          console.log("Posting new post: ")
          console.log(embed)
          await channel.send({ embeds: [embed], files: [attachment] })
          newIds.push(postid)
          postedIds = [...postedIds, ...newIds]
          await fs.writeFileSync('LocalData/postedNews.json', JSON.stringify({ postedIds }))
          break
        } catch (error) {
          console.error(error)
          continue
        }
      }
    }
  } catch (error) {
    if (error.response) {
      console.log(`error ${error.response.status}`)
      return
    }
    console.error(error)
  }
}

function getPostedIds () {
  if (fs.existsSync('LocalData/postedNews.json')) {
    const data = fs.readFileSync('LocalData/postedNews.json')
    return JSON.parse(data).postedIds
  }
  return []
}

async function getThumbnail (jpghash, pngOrJpg, postid) {
  let thumbnailUrl = `https://example.com/${postid}/thumbnail`
  const imagePromise = new Promise((resolve, reject) => {
    https.get(thumbnailUrl, (res) => {
      let buffer = Buffer.alloc(0)
      res.on('data', (chunk) => {
        buffer = Buffer.concat([buffer, chunk])
      })
      res.on('end', async () => {
        try {
          const jimpImage = await Jimp.read(buffer)
          const resizedImage = await jimpImage.resize(1000, 600).getBufferAsync(Jimp.MIME_PNG) // 800, 460
          resolve(resizedImage)
        } catch (error) {
          reject(error)
        }
      })
    }).on('error', (err) => {
      reject(err)
    })
  })
  const imageBuffer = await imagePromise
  const attachment = new AttachmentBuilder(imageBuffer, { name: `${postid}.png` })
  if (attachment) {
    return attachment
  } else {
    console.log("no attachment")
    return null
  }
}

10.08 10:30:53 [Bot] Posting new post:  
10.08 10:30:53 [Bot] EmbedBuilder {
10.08 10:30:53 [Bot] data: {
10.08 10:30:53 [Bot] title: 'News posts name',
10.08 10:30:53 [Bot] url: 'https://example.com/4302',
10.08 10:30:53 [Bot] description: '20/8/2023',
10.08 10:30:53 [Bot] thumbnail: { url: 'https://i.gyazo.com/redacted.png' },
10.08 10:30:53 [Bot] image: { url: 'attachment://4302.png' },
10.08 10:30:53 [Bot] fields: [ [Object] ]
10.08 10:30:53 [Bot] }
10.08 10:30:53 [Bot] }