<?php

namespace App\Models;

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

class PosSaleLine extends Model
{
    public const KITCHEN_NEW = 'new';

    public const KITCHEN_QUEUED = 'queued';

    public const KITCHEN_PREPARING = 'preparing';

    public const KITCHEN_READY = 'ready';

    public const KITCHEN_SERVED = 'served';

    /** States the KDS bump button cycles through, in order. */
    public const KITCHEN_FLOW = [self::KITCHEN_QUEUED, self::KITCHEN_PREPARING, self::KITCHEN_READY, self::KITCHEN_SERVED];

    /** Ordered courses for fire-by-course (key => label). */
    public const COURSES = [
        'starter' => 'Starter',
        'main' => 'Main',
        'dessert' => 'Dessert',
        'drink' => 'Drink',
    ];

    protected $fillable = [
        'pos_sale_id',
        'product_id',
        'station_id',
        'name',
        'unit_price_minor',
        'quantity',
        'line_total_minor',
        'position',
        'kitchen_state',
        'source',
        'notes',
        'course',
    ];

    protected function casts(): array
    {
        return [
            'unit_price_minor' => 'integer',
            'quantity' => 'integer',
            'line_total_minor' => 'integer',
            'position' => 'integer',
        ];
    }

    public function sale(): BelongsTo
    {
        return $this->belongsTo(PosSale::class, 'pos_sale_id');
    }

    public function product(): BelongsTo
    {
        return $this->belongsTo(PosProduct::class, 'product_id');
    }

    public function station(): BelongsTo
    {
        return $this->belongsTo(PosStation::class, 'station_id');
    }

    public function modifiers(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(PosSaleLineModifier::class, 'pos_sale_line_id');
    }
}