const PORT = process.env.PORT
const BOT_TOKEN = process.env.BOT_TOKEN as string
const CHAT_ID = process.env.CHAT_ID as string

const server = Bun.serve({
  port: PORT,
  async fetch(req) {
    if (!req.body) {
      return new Response(
        'Bad request',
        {
          status: 400,
          headers: {
            "Content-Type": "text/html",
          },
        }
      )
    }

    const submittedData = await req.json();

    const text = encodeURIComponent(`
      *Новое письмо с flexpatrol.ru*
\`\`\`
${JSON.stringify(submittedData, null, 2)}
\`\`\``)

    try {
      await fetch(`https://api.telegram.org/bot${BOT_TOKEN}/sendMessage?chat_id=${CHAT_ID}&text=${text}&parse_mode=markdown`)
    } catch (error) {
      return new Response(
        'Internal server error',
        {
          status: 500,
          headers: {
            "Content-Type": "text/html",
          },
        }
      )
    }

    return new Response('success', {
      headers: {
        'Access-Control-Allow-Origin': '*'
      }
    });
  }
})

console.log(`Listening on http://localhost:${server.port}...`);