<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use App\Traits\Auditable;

class Shipment extends Model
{
    use Auditable;
    protected $fillable = [
        'awb_no',
        'forwarder',
        'direction',
        'type',
        'status',
        'review_state',
        'from_country_id',
        'to_country_id',
        // Weight & Dimensions
        'weight',
        'volumetric_weight',
        'chargeable_weight',
        'dimensions',
        // Financial
        'shipping_price',
        'extra_service',
        'domestic_pickup',
        'packing_cost',
        'domestic_delivery',
        'warehousing_cost',
        'discount',
        'vat_amount',
        'total_fee',
        'net_dirham',
        'net_rial',
        'invoice_total_usd',
        'cod_amount',
        'declared_value',
        // Import Invoice Fields
        'brand_fee',
        'report_fee',
        'customs_clearance_cost',
        'order_registration_fee',
        'other_clearance_charges',
        'exchange_rate',
        'goods_nature',
        'invoice_currency',
        // Sender
        'sender_name',
        'sender_company',
        'sender_phone',
        'sender_email',
        'sender_address',
        'sender_city',
        'sender_zip',
        'sender_id_number',
        // Receiver
        'receiver_name',
        'receiver_company',
        'receiver_phone',
        'receiver_email',
        'receiver_address',
        'receiver_city',
        'receiver_zip',
        'receiver_id_number',
        // Customs
        'reason_for_export',
        'content_description',
        'customer_notes',
        // User
        'user_id',
    ];

    protected $casts = [
        'weight' => 'decimal:3',
        'volumetric_weight' => 'decimal:3',
        'chargeable_weight' => 'decimal:3',
        'status' => \App\Enums\ShipmentStatus::class,
        'review_state' => \App\Enums\ReviewState::class,
        'direction' => \App\Enums\ShipmentDirection::class,
        'type' => \App\Enums\ShipmentType::class,
    ];

    // === Relationships ===

    public function fromCountry(): BelongsTo
    {
        return $this->belongsTo(Country::class, 'from_country_id');
    }

    public function toCountry(): BelongsTo
    {
        return $this->belongsTo(Country::class, 'to_country_id');
    }

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

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

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

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

    /**
     * بسته‌های مرسوله (Multi-Package)
     */
    public function packages(): HasMany
    {
        return $this->hasMany(ShipmentPackage::class);
    }

        public function reviews(): HasMany
    {
        return $this->hasMany(ShipmentReview::class)
            ->orderBy('revision_no');
    }

    /**
     * چک‌لیست‌های عملیاتی مرسوله
     */
    public function checklists(): HasMany
    {
        return $this->hasMany(ShipmentChecklist::class)
            ->orderBy('created_at', 'desc');
    }

    /**
     * تعهدنامه‌های مرسوله (instance‌های پرشده توسط مشتری)
     */
    public function commitmentForms(): HasMany
    {
        return $this->hasMany(ShipmentCommitmentForm::class)
            ->orderBy('created_at', 'desc');
    }

        /**
     * تاریخچه تغییرات وضعیت مرسوله
     */
    public function statusHistories(): HasMany
    {
        return $this->hasMany(ShipmentStatusHistory::class)
            ->orderBy('created_at', 'desc');
    }

    /**
     * اعتبارها (بدهی‌های چندارزی) مرتبط با این مرسوله
     */
    public function credits(): HasMany
    {
        return $this->hasMany(CustomerCredit::class);
    }

    // === Scopes ===

    public function scopeByAwb($query, string $awbNo)
    {
        return $query->where('awb_no', $awbNo);
    }

    public function scopeExport($query)
    {
        return $query->where('direction', 'export');
    }

    public function scopeImport($query)
    {
        return $query->where('direction', 'import');
    }

    // === Helpers ===

    /**
     * دریافت آخرین رویداد ترکینگ
     */
    public function latestTrackingEvent()
    {
        return $this->trackingEvents()
            ->orderBy('event_date', 'desc')
            ->orderBy('event_time', 'desc')
            ->first();
    }

    /**
     * آیا مرسوله تحویل داده شده؟
     */
    public function isDelivered(): bool
    {
        return $this->status === 'delivered';
    }
}