// Follow this setup guide to integrate the Deno language server with your editor:
// https://deno.land/manual/getting_started/setup_your_environment
// This enables autocomplete, go to definition, etc.

import { createClient } from 'jsr:@supabase/supabase-js@2'
import { corsHeaders } from '../_shared/cors.ts'

console.log(`Function "select-from-table-with-auth-rls" up and running!`)

Deno.serve(async (req: Request) => {
  // This is needed if you're planning to invoke your function from a browser.
  if (req.method === 'OPTIONS') {
    return new Response('ok', { headers: corsHeaders })
  }

  try {
    // Create a Supabase client with the Auth context of the logged in user.
    const supabaseClient = createClient(
      // Supabase API URL - env var exported by default.
      Deno.env.get('SUPABASE_URL') ?? '',
      // Supabase API ANON KEY - env var exported by default.
      Deno.env.get('SUPABASE_ANON_KEY') ?? '',
      // Create client with Auth context of the user that called the function.
      // This way your row-level-security (RLS) policies are applied.
      {
        global: {
          headers: { Authorization: req.headers.get('Authorization')! },
        },
      }
    )

    // First get the token from the Authorization header
    const token = req.headers.get('Authorization').replace('Bearer ', '')

    // Now we can get the session or user object
    const {
      data: { user },
    } = await supabaseClient.auth.getUser(token)

    // And we can run queries in the context of our authenticated user
    const { data, error } = await supabaseClient.from('users').select('*')
    if (error) throw error

    return new Response(JSON.stringify({ user, data }), {
      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
      status: 200,
    })
  } catch (error) {
    return new Response(JSON.stringify({ error: error.message }), {
      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
      status: 400,
    })
  }
})

// To invoke:
// curl -i --location --request POST 'http://localhost:54321/functions/v1/select-from-table-with-auth-rls' \
//   --header 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6ImFub24ifQ.625_WdcF3KHqz5amU0x2X5WWHP-OEs_4qj0ssLNHzTs' \
//   --header 'Content-Type: application/json' \
//   --data '{"name":"Functions"}'