<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Devis extends Model
{
    protected $guarded = [];

    protected $casts = [
        'items' => 'array',
        'date_devis' => 'date',
        'total_ht' => 'decimal:2',
        'total_ttc' => 'decimal:2',
        'tva_rate' => 'decimal:2',
    ];

    public function parent(): BelongsTo
    {
        return $this->belongsTo(Devis::class, 'parent_devis_id');
    }

    public function sousDevis(): HasMany
    {
        return $this->hasMany(Devis::class, 'parent_devis_id');
    }

    public function commande(): BelongsTo
    {
        return $this->belongsTo(\App\Models\Order::class, 'commande_id');
    }

    protected static function booted()
    {
        static::creating(function ($devis) {
            if (empty($devis->number)) {
                $year = date('Y');
                $prefix = sprintf('DEV-%s-', $year);
                $last = static::where('number', 'like', $prefix . '%')
                    ->max('number');
                $next = $last ? (intval(substr($last, strlen($prefix))) + 1) : 1;
                $devis->number = $prefix . sprintf('%04d', $next);
            }
        });
    }
}