<?php

namespace App\Console\Commands;

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

class FixWoCompanyCommand extends Command
{
    protected $signature = 'tenant:fix-wo-company {target_slug : Slug-ul companiei corecte (ex: psauto)} {--dry-run : Arată ce s-ar face, fără să schimbe nimic}';
    protected $description = 'Mută fișele de lucru cu company_id greșit în compania corectă';

    public function handle(): void
    {
        $slug = $this->argument('target_slug');
        $dryRun = $this->option('dry-run');

        $target = DB::table('companies')->where('slug', $slug)->first();
        if (! $target) {
            $this->error("Compania '{$slug}' nu există.");
            $this->showCompanies();
            return;
        }

        $this->info("Compania țintă: [{$target->id}] {$target->name} (slug={$target->slug})");
        $this->newLine();

        // Show all WOs grouped by company
        $this->info('=== Toate fișele din sistem (grupate pe companie) ===');
        $all = DB::table('work_orders')
            ->whereNull('deleted_at')
            ->selectRaw('company_id, count(*) as cnt, group_concat(number, ", ") as numbers')
            ->groupBy('company_id')
            ->get();

        $wrongIds = [];
        foreach ($all as $row) {
            $c = DB::table('companies')->where('id', $row->company_id)->first();
            $label = $c ? "[{$c->id}] {$c->name} (slug={$c->slug})" : "[{$row->company_id}] COMPANIE INEXISTENTĂ";
            $isTarget = $row->company_id === $target->id ? ' ← CORECT' : ' ← GREȘIT';
            $this->line("  company_id={$row->company_id}  count={$row->cnt}{$isTarget}");
            $this->line("    Numere: {$row->numbers}");
            $this->line("    Companie: {$label}");
            $this->newLine();

            if ($row->company_id !== $target->id) {
                $wrongIds[] = $row->company_id;
            }
        }

        if (empty($wrongIds)) {
            $this->info('✓ Toate fișele au deja company_id corect. Nu e nimic de mutat.');
            return;
        }

        $wrongWos = DB::table('work_orders')
            ->whereNull('deleted_at')
            ->whereIn('company_id', $wrongIds)
            ->get(['id', 'number', 'company_id']);

        $this->warn("Fișe cu company_id greșit: {$wrongWos->count()}");
        foreach ($wrongWos as $w) {
            $this->line("  id={$w->id}  #{$w->number}  company_id actual={$w->company_id}  → va deveni {$target->id}");
        }
        $this->newLine();

        if ($dryRun) {
            $this->warn('--dry-run activ. Nicio modificare nu a fost făcută.');
            $this->line('Rulează fără --dry-run pentru a aplica.');
            return;
        }

        if (! $this->confirm("Muți {$wrongWos->count()} fișe în compania [{$target->id}] {$target->name}?")) {
            $this->line('Anulat.');
            return;
        }

        $updated = DB::table('work_orders')
            ->whereNull('deleted_at')
            ->whereIn('company_id', $wrongIds)
            ->update(['company_id' => $target->id]);

        $this->info("✓ {$updated} fișe mutate în company_id={$target->id}.");
    }

    private function showCompanies(): void
    {
        $this->line('Companii disponibile:');
        DB::table('companies')->get(['id', 'slug', 'name'])->each(
            fn ($c) => $this->line("  id={$c->id}  slug={$c->slug}  name={$c->name}")
        );
    }
}