<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Support\Facades\Storage;

class PieceJointe extends Model
{
    public $timestamps = false;

    protected $table = 'pieces_jointes';

    protected $fillable = [
        'commande_id', 'contrat_id', 'user_id', 'type',
        'nom_original', 'chemin', 'mime_type', 'taille', 'description',
    ];

    protected $casts = [
        'taille'     => 'integer',
        'created_at' => 'datetime',
    ];

    const TYPES_LABELS = [
        'devis'          => 'Devis',
        'bon_commande'   => 'Bon de commande',
        'bon_livraison'  => 'Bon de livraison',
        'facture'        => 'Facture',
        'contrat'        => 'Contrat',
        'avenant'        => 'Avenant',
        'autre'          => 'Autre',
    ];

    const TYPES_ICONES = [
        'devis'          => '📋',
        'bon_commande'   => '🛒',
        'bon_livraison'  => '📦',
        'facture'        => '🧾',
        'contrat'        => '📄',
        'avenant'        => '📑',
        'autre'          => '📎',
    ];

    const TYPES_COULEURS = [
        'devis'          => 'purple',
        'bon_commande'   => 'blue',
        'bon_livraison'  => 'orange',
        'facture'        => 'green',
        'contrat'        => 'indigo',
        'avenant'        => 'teal',
        'autre'          => 'gray',
    ];

    // -----------------------------------------------------------------------
    // Relations
    // -----------------------------------------------------------------------

    public function commande(): BelongsTo
    {
        return $this->belongsTo(Commande::class);
    }

    public function contrat(): BelongsTo
    {
        return $this->belongsTo(Contrat::class);
    }

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    // -----------------------------------------------------------------------
    // Accesseurs
    // -----------------------------------------------------------------------

    public function getTypeLabelAttribute(): string
    {
        return self::TYPES_LABELS[$this->type] ?? $this->type;
    }

    public function getTailleFormatteeAttribute(): string
    {
        $taille = $this->taille;
        if ($taille < 1024) {
            return $taille . ' o';
        } elseif ($taille < 1024 * 1024) {
            return round($taille / 1024, 1) . ' Ko';
        }
        return round($taille / (1024 * 1024), 1) . ' Mo';
    }

    public function getEstImageAttribute(): bool
    {
        return str_starts_with($this->mime_type, 'image/');
    }

    public function getEstPdfAttribute(): bool
    {
        return $this->mime_type === 'application/pdf';
    }

    // -----------------------------------------------------------------------
    // Méthodes
    // -----------------------------------------------------------------------

    public function supprimer(): void
    {
        Storage::disk('private')->delete($this->chemin);
        $this->delete();
    }
}