<?php

namespace App\Models;

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

class PosSale extends Model
{
    public const STATUS_PENDING = 'pending';

    public const STATUS_PAID = 'paid';

    public const STATUS_FAILED = 'failed';

    public const STATUS_CANCELLED = 'cancelled';

    public const METHOD_PAY = 'pay';

    public const METHOD_CASH = 'cash';

    public const ORDER_COUNTER = 'counter';

    public const ORDER_DINE_IN = 'dine_in';

    public const ORDER_TAKEAWAY = 'takeaway';

    public const KITCHEN_NONE = 'none';

    public const KITCHEN_ACTIVE = 'active';

    public const KITCHEN_SERVED = 'served';

    protected $fillable = [
        'owner_ref',
        'location_id',
        'table_id',
        'reference',
        'external_ref',
        'status',
        'payment_method',
        'order_type',
        'kitchen_status',
        'covers',
        'notes',
        'pay_order_id',
        'payment_reference',
        'customer_name',
        'customer_email',
        'customer_phone',
        'crm_customer_id',
        'subtotal_minor',
        'loyalty_discount_minor',
        'loyalty_points_redeemed',
        'loyalty_points_earned',
        'loyalty_external_ref',
        'tip_minor',
        'total_minor',
        'currency',
        'paid_at',
        'opened_at',
        'kitchen_sent_at',
        'closed_at',
    ];

    protected function casts(): array
    {
        return [
            'subtotal_minor' => 'integer',
            'loyalty_discount_minor' => 'integer',
            'loyalty_points_redeemed' => 'integer',
            'loyalty_points_earned' => 'integer',
            'tip_minor' => 'integer',
            'total_minor' => 'integer',
            'pay_order_id' => 'integer',
            'crm_customer_id' => 'integer',
            'covers' => 'integer',
            'paid_at' => 'datetime',
            'opened_at' => 'datetime',
            'kitchen_sent_at' => 'datetime',
            'closed_at' => 'datetime',
        ];
    }

    public function location(): BelongsTo
    {
        return $this->belongsTo(PosLocation::class, 'location_id');
    }

    public function table(): BelongsTo
    {
        return $this->belongsTo(PosTable::class, 'table_id');
    }

    public function payments(): HasMany
    {
        return $this->hasMany(PosPayment::class);
    }

    public function paidMinor(): int
    {
        return (int) $this->payments()->where('status', PosPayment::STATUS_PAID)->sum('amount_minor');
    }

    public function balanceMinor(): int
    {
        return max(0, (int) $this->total_minor - $this->paidMinor());
    }

    public function isOpen(): bool
    {
        return $this->status === self::STATUS_PENDING;
    }

    public function isDineIn(): bool
    {
        return $this->order_type === self::ORDER_DINE_IN;
    }

    public function scopeOpenTickets(Builder $query): Builder
    {
        return $query->where('status', self::STATUS_PENDING);
    }

    public function lines(): HasMany
    {
        return $this->hasMany(PosSaleLine::class)->orderBy('position');
    }

    public function isPaid(): bool
    {
        return $this->status === self::STATUS_PAID;
    }

    public function scopeOwned(Builder $query, string $ownerRef): Builder
    {
        return $query->where('owner_ref', $ownerRef);
    }
}