<?php

namespace App\Models\Tenant;

use App\Models\Concerns\BelongsToTenant;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\SoftDeletes;

class SubcontractJob extends Model
{
    use BelongsToTenant, SoftDeletes;

    public const STATUSES = [
        'sent' => 'Trimis',
        'in_progress' => 'În lucru',
        'done' => 'Gata',
        'returned' => 'Returnat',
        'cancelled' => 'Anulat',
    ];

    protected $fillable = [
        'company_id', 'work_order_id', 'subcontractor_id',
        'number', 'category', 'description',
        'cost', 'markup_pct', 'client_price',
        'status', 'sent_at', 'eta', 'returned_at', 'paid_to_sub', 'notes',
    ];

    protected $casts = [
        'cost' => 'decimal:2',
        'markup_pct' => 'decimal:2',
        'client_price' => 'decimal:2',
        'sent_at' => 'date',
        'eta' => 'date',
        'returned_at' => 'date',
        'paid_to_sub' => 'boolean',
    ];

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

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

    /** Our margin = what we bill the client − what the sub charges us. */
    public function margin(): float
    {
        return round((float) $this->client_price - (float) $this->cost, 2);
    }

    public static function generateNumber(int $companyId): string
    {
        $year = date('y');
        $count = static::withoutGlobalScopes()
            ->where('company_id', $companyId)
            ->whereYear('created_at', date('Y'))
            ->count();
        return sprintf('SC-%s-%04d', $year, $count + 1);
    }

    protected static function booted(): void
    {
        static::creating(function (self $job) {
            if (empty($job->number)) {
                $job->number = static::generateNumber(
                    $job->company_id ?: app(\App\Tenancy\TenantManager::class)->currentId()
                );
            }
        });

        static::saving(function (self $job) {
            // markup drives client_price unless markup is zero (then keep manual price).
            if ((float) $job->markup_pct > 0) {
                $job->client_price = round((float) $job->cost * (1 + (float) $job->markup_pct / 100), 2);
            }
        });

        static::saved(fn (self $job) => $job->workOrder?->recalcTotal());
        static::deleted(fn (self $job) => $job->workOrder?->recalcTotal());
    }
}