<?php

namespace Modules\ProjectManagement\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Modules\MasterData\Models\Material;

class ProjectMaterialsEstimate extends Model
{
    protected $fillable = [
        'project_id',
        'material_id',
        'estimated_qty',
        'unit_cost',
    ];

    protected function casts(): array
    {
        return [
            'estimated_qty' => 'decimal:2',
            'unit_cost' => 'decimal:2',
        ];
    }

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

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

    public function getLineTotalAttribute(): float
    {
        return (float) $this->estimated_qty * (float) $this->unit_cost;
    }
}