<?php
namespace App\Console\Commands;

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

class GesconQaRubricaVuotiCommand extends Command
{
    protected $signature = 'gescon:qa-rubrica-vuoti
        {--id=* : ID rubrica specifici da analizzare}
        {--stabile= : Codice stabile legacy}
        {--limit=200 : Limite record}
        {--apply : Applica solo riempimenti sicuri da legacy}';

    protected $description = 'Analizza contatti rubrica condomino senza identita e propone/riempie dati da gescon_import.condomin.';

    public function handle(): int
    {
        if (! Schema::hasTable('rubrica_universale') || ! Schema::connection('gescon_import')->hasTable('condomin')) {
            $this->error('Tabelle richieste mancanti.');
            return self::FAILURE;
        }

        $ids = array_values(array_filter(array_map(
            fn($value): int => is_numeric($value) ? (int) $value : 0,
            (array) $this->option('id')
        )));

        $query = DB::table('rubrica_universale')
            ->where('categoria', 'condomino')
            ->where(function ($builder): void {
                $builder->whereNull('nome')->orWhere('nome', '')->orWhere('nome', '?');
            })
            ->where(function ($builder): void {
                $builder->whereNull('cognome')->orWhere('cognome', '');
            })
            ->where(function ($builder): void {
                $builder->whereNull('ragione_sociale')->orWhere('ragione_sociale', '');
            });

        if ($ids !== []) {
            $query->whereIn('id', $ids);
        }

        $stabileFilter = trim((string) ($this->option('stabile') ?? ''));
        if ($stabileFilter !== '') {
            $query->where('note', 'like', '%cod_stabile=' . $stabileFilter . '%');
        }

        $rows = $query
            ->orderBy('id')
            ->limit(max(1, min(5000, (int) $this->option('limit'))))
            ->get();

        $apply      = (bool) $this->option('apply');
        $fixed      = 0;
        $unresolved = 0;

        foreach ($rows as $row) {
            $legacy = $this->parseLegacyNote((string) ($row->note ?? ''));
            $match  = $this->findLegacyRow($legacy);
            if (! $match) {
                $unresolved++;
                $this->warn('#' . $row->id . ' ' . $row->codice_univoco . ' nessun match legacy');
                continue;
            }

            $payload = $this->buildPayload($match, (string) ($legacy['ruolo'] ?? 'condomino'));
            if ($payload === []) {
                $unresolved++;
                $this->warn('#' . $row->id . ' ' . $row->codice_univoco . ' match senza identita utile');
                continue;
            }

            $this->line('#' . $row->id . ' ' . $row->codice_univoco . ' -> ' . json_encode($payload, JSON_UNESCAPED_UNICODE));

            if ($apply) {
                $payload['updated_at'] = now();
                if (Schema::hasColumn('rubrica_universale', 'data_ultima_modifica')) {
                    $payload['data_ultima_modifica'] = now()->toDateString();
                }
                DB::table('rubrica_universale')->where('id', $row->id)->update($payload);
            }

            $fixed++;
        }

        $this->info('Analizzati: ' . $rows->count() . ' | risolvibili: ' . $fixed . ' | non risolti: ' . $unresolved . ($apply ? ' | applicato' : ' | dry-run'));

        return self::SUCCESS;
    }

    private function parseLegacyNote(string $note): array
    {
        $out = ['cod_stabile' => null, 'cod_cond' => null, 'ruolo' => null];
        foreach ($out as $key => $_) {
            if (preg_match('/' . preg_quote($key, '/') . '=([^|]+)/', $note, $matches)) {
                $out[$key] = trim($matches[1]);
            }
        }

        return $out;
    }

    private function findLegacyRow(array $legacy): ?object
    {
        $codStabile = trim((string) ($legacy['cod_stabile'] ?? ''));
        $codCond    = trim((string) ($legacy['cod_cond'] ?? ''));
        if ($codStabile === '' || $codCond === '') {
            return null;
        }

        return DB::connection('gescon_import')
            ->table('condomin')
            ->where('cod_stabile', $codStabile)
            ->where(function ($builder) use ($codCond): void {
                $builder->where('cod_cond', $codCond)
                    ->orWhere('id_cond', $codCond)
                    ->orWhere('legacy_id_cond', $codCond);
            })
            ->orderByDesc('legacy_year')
            ->orderByDesc('id')
            ->first();
    }

    private function buildPayload(object $row, string $ruolo): array
    {
        $role = mb_strtolower(trim($ruolo));
        $name = $role === 'inquilino'
            ? trim((string) ($row->inquilino_denominazione ?? $row->inquil_nome ?? ''))
            : trim((string) ($row->nom_cond ?? $row->proprietario_denominazione ?? ''));

        if ($name === '' || $name === '?') {
            return [];
        }

        $parts   = preg_split('/\s+/', $name) ?: [];
        $payload = [
            'ragione_sociale'    => $name,
            'nome'               => null,
            'cognome'            => null,
            'codice_fiscale'     => $role === 'inquilino'
                ? (trim((string) ($row->inquil_cod_fisc ?? '')) ?: null)
                : (trim((string) ($row->cond_cod_fisc ?? '')) ?: null),
            'email'              => $role === 'inquilino'
                ? (trim((string) ($row->e_mail_inquilino ?? '')) ?: null)
                : (trim((string) ($row->e_mail_condomino ?? '')) ?: null),
            'telefono_cellulare' => $role === 'inquilino'
                ? (trim((string) ($row->cell_inq ?? '')) ?: null)
                : (trim((string) ($row->cell_cond ?? '')) ?: null),
        ];

        if (count($parts) >= 2 && ! str_contains($name, '-') && ! str_contains($name, '&')) {
            $payload['cognome'] = array_shift($parts);
            $payload['nome']    = implode(' ', $parts);
        }

        return array_filter($payload, fn($value) => $value !== null && $value !== '');
    }
}