<?php

namespace App\Modules\Contabilita\Models;

use App\Models\GestioneContabile;
use App\Models\DatiBancari;
use Illuminate\Database\Eloquent\Model;

class MovimentoBanca extends Model
{
    protected static ?array $cleaningConfigCache = null;
    protected $table = 'contabilita_movimenti_banca';

    protected $fillable = [
        'stabile_id',
        'conto_id',
        'gestione_id',
        'iban',
        'data',
        'valuta',
        'descrizione',
        'descrizione_estesa',
        'importo',
        'causale',
        'source_file',
        'raw_line',
        'row_hash',
        'da_confermare',
        'match_data',
        'rubrica_mittente_id',
        'rubrica_beneficiario_id',
        'fornitore_id',
        'registrazione_id',
    ];

    protected $casts = [
        'data' => 'date',
        'valuta' => 'date',
        'importo' => 'decimal:2',
        'da_confermare' => 'boolean',
        'match_data' => 'array',
    ];

    public function getDescrizioneEstesaPulitaAttribute(): ?string
    {
        $raw = $this->descrizione_estesa ?? $this->descrizione;
        if (! is_string($raw)) {
            return null;
        }

        $text = trim($raw);
        if ($text === '') {
            return null;
        }

        if (is_array($this->match_data ?? null) && ! empty($this->match_data['descrizione_base'])) {
            $base = trim((string) $this->match_data['descrizione_base']);
            if ($base !== '') {
                $text = $base . ' ' . $text;
            }
        }

        $text = $this->applyCleaningRules($text);
        $text = preg_replace('/\s{2,}/', ' ', $text) ?? $text;
        $text = trim($text, " \t\n\r\0\x0B|-");

        return $text !== '' ? $text : null;
    }

    protected function applyCleaningRules(string $text): string
    {
        $patterns = [];
        $config = self::loadCleaningConfig();
        if (isset($config['base']['remove_patterns']) && is_array($config['base']['remove_patterns'])) {
            $patterns = array_merge($patterns, $config['base']['remove_patterns']);
        }

        $codice = $this->resolveCodiceBreve();
        if ($codice && isset($config['codici'][$codice]['remove_patterns']) && is_array($config['codici'][$codice]['remove_patterns'])) {
            $patterns = array_merge($patterns, $config['codici'][$codice]['remove_patterns']);
        }

        foreach ($patterns as $pattern) {
            if (! is_string($pattern) || $pattern === '') {
                continue;
            }
            $text = preg_replace('/' . $pattern . '/i', '', $text) ?? $text;
        }

        return $text;
    }

    protected function resolveCodiceBreve(): ?string
    {
        $raw = strtoupper((string) ($this->descrizione ?? ''));
        if (str_contains($raw, 'ACCREDITO_BEU_CON_CONTABILE')) {
            return 'ACCBEUCONCON';
        }
        if (str_contains($raw, 'COMBONMYB')) {
            return 'COMBONMYB';
        }
        return null;
    }

    protected static function loadCleaningConfig(): array
    {
        if (self::$cleaningConfigCache !== null) {
            return self::$cleaningConfigCache;
        }

        $path = base_path('resources/bank-cleaning.json');
        if (! is_file($path)) {
            return self::$cleaningConfigCache = [];
        }

        $json = file_get_contents($path);
        $data = is_string($json) ? json_decode($json, true) : null;
        if (! is_array($data)) {
            return self::$cleaningConfigCache = [];
        }

        return self::$cleaningConfigCache = $data;
    }

    public function registrazione()
    {
        return $this->belongsTo(Registrazione::class, 'registrazione_id');
    }

    public function conto()
    {
        return $this->belongsTo(DatiBancari::class, 'conto_id');
    }

    public function gestioneContabile()
    {
        return $this->belongsTo(GestioneContabile::class, 'gestione_id');
    }
}