<?php

namespace App\Console\Commands\Migrations;

use App\Enums\EmploymentStatus;
use App\Enums\Gender;
use App\Models\Employee;
use App\Models\User;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class MigrateEmployeesFromOldData extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'migrate:employees {--force : Force migration without confirmation}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Migrate employees data from old database to new structure';

    /**
     * Execute the console command.
     */
    public function handle()
    {
        if (! $this->option('force') && ! $this->confirm('Are you sure you want to migrate employees data? This will add new employees to your database.')) {
            $this->info('Migration cancelled.');

            return;
        }

        $this->info('Starting employees migration...');

        try {
            $oldBiographical = DB::connection('old_database')->table('biographical')->whereNull('deleted_at')->get();

            $this->info("Found {$oldBiographical->count()} employees to migrate.");
            $bar = $this->output->createProgressBar($oldBiographical->count());

            $migrated = 0;
            $skipped = 0;

            foreach ($oldBiographical as $oldBio) {
                $user = User::find($oldBio->user_id);

                if (! $user) {
                    $this->warn("User ID {$oldBio->user_id} not found, skipping employee {$oldBio->name}...");
                    $skipped++;
                    $bar->advance();

                    continue;
                }

                $existingEmployee = Employee::where('user_id', $oldBio->user_id)->first();
                if ($existingEmployee) {
                    $this->warn("Employee for user ID {$oldBio->user_id} already exists, skipping...");
                    $skipped++;
                    $bar->advance();

                    continue;
                }

                // Get user data for additional info
                $oldUser = DB::connection('old_database')->table('users')->where('id', $oldBio->user_id)->first();

                Employee::create([
                    'user_id' => $oldBio->user_id,
                    'full_name' => $oldBio->name,
                    'code' => $this->generateEmployeeCode($oldBio->user_id),
                    'phone_number' => $oldBio->phone_number,
                    'base_salary' => $oldUser ? $oldUser->salary : 0,
                    'gender' => $oldBio->gender == '1' ? Gender::MALE : Gender::FEMALE,
                    'address' => $oldBio->pob, // Using place of birth as address
                    'birthdate' => $oldBio->dob,
                    'hire_date' => $oldUser ? $oldUser->entry_date : now()->toDateString(),
                    'resign_date' => $oldUser && $oldUser->out_date ? $oldUser->out_date : null,
                    'status' => EmploymentStatus::PERMANENT,
                    'created_at' => $oldBio->created_at,
                    'updated_at' => $oldBio->updated_at,
                ]);

                $migrated++;
                $bar->advance();
            }

            $bar->finish();
            $this->newLine(2);

            $this->info('✅ Employees migration completed!');
            $this->info("📊 Migrated: {$migrated} employees");
            $this->info("⏭️  Skipped: {$skipped} employees (user not found or already exist)");

        } catch (\Exception $e) {
            $this->error("❌ Migration failed: {$e->getMessage()}");

            return 1;
        }

        return 0;
    }

    private function generateEmployeeCode(int $userId): string
    {
        return 'EMP'.str_pad($userId, 4, '0', STR_PAD_LEFT);
    }
}