<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class TestSupabaseConnection extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'app:test-supabase';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Test Supabase PostgreSQL database connection';

    /**
     * Execute the console command.
     */
    public function handle()
    {
        $this->info('🔗 Testing Supabase Connection...\n');

        try {
            // Test 1: Basic connection
            $this->info('Test 1: Basic Connection');
            $pdo = DB::connection()->getPdo();
            $this->line('   ✅ Connected to ' . env('DB_HOST'));

            // Test 2: Query execution
            $this->info('\nTest 2: Query Execution');
            $result = DB::select('SELECT 1');
            $this->line('   ✅ Query executed successfully');

            // Test 3: Get database info
            $this->info('\nTest 3: Database Information');
            $dbInfo = DB::select("
                SELECT 
                    datname as database,
                    version() as version
                FROM pg_database 
                WHERE datname = current_database()
            ");
            
            if (!empty($dbInfo)) {
                $this->line('   Database: ' . $dbInfo[0]->database);
                $this->line('   Version: ' . $dbInfo[0]->version);
            }

            // Test 4: Tables
            $this->info('\nTest 4: Existing Tables');
            $tables = DB::select("
                SELECT table_name 
                FROM information_schema.tables 
                WHERE table_schema = 'public'
                ORDER BY table_name
            ");
            
            if (empty($tables)) {
                $this->line('   ⚠️  No tables found (run migrations)');
            } else {
                $this->line('   ✅ Found ' . count($tables) . ' tables:');
                foreach ($tables as $table) {
                    $this->line('      - ' . $table->table_name);
                }
            }

            // Test 5: User count
            $this->info('\nTest 5: User Data');
            $dosenCount = DB::table('users_dosen')->count();
            $staffCount = DB::table('users_staff')->count();
            $this->line("   Users Dosen: $dosenCount");
            $this->line("   Users Staff: $staffCount");

            $this->info('\n✅ All tests passed! Supabase connection is working perfectly!');
            return 0;

        } catch (\Exception $e) {
            $this->error('\n❌ Connection Failed!');
            $this->error('Error: ' . $e->getMessage());
            $this->error('\nPlease check:');
            $this->error('1. DB_HOST in .env');
            $this->error('2. DB_USERNAME and DB_PASSWORD');
            $this->error('3. DB_DATABASE name');
            $this->error('4. IP whitelist in Supabase dashboard');
            return 1;
        }
    }
}