<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\HasOne;

class Partner extends Model
{
    use HasFactory;

    protected $fillable = [
        'company_name',
        'display_name',
        'slug',
        'type',
        'brand',
        'hub_id',
        'parent_partner_id',
        'salutation',
        'first_name',
        'last_name',
        'street',
        'house_number',
        'zip',
        'city',
        'country',
        'phone',
        'website',
        'description',
        'logo_url',
        'is_active',
        'setup_completed',
        'setup_completed_at',
        'delivery_radius_km',
        'assembly_radius_km',
        'provision_fixed_amount',
        'provision_rate_percentage',
    ];

    protected $casts = [
        'is_active' => 'boolean',
        'setup_completed' => 'boolean',
        'setup_completed_at' => 'datetime',
    ];

    /**
     * Ein Partner (Händler/Makler) kann einem Hub zugeordnet sein.
     * Ein Hersteller ist evtl. "global" (hub_id = null).
     */
    public function hub(): BelongsTo
    {
        return $this->belongsTo(Hub::class);
    }

    /**
     * Ein Partner (Firma) kann mehrere User-Logins haben.
     */
    public function users(): HasMany
    {
        return $this->hasMany(User::class);
    }

    /**
     * Für Kunden: Zugeordneter Makler/Händler (Parent-Partner)
     */
    public function parentPartner(): BelongsTo
    {
        return $this->belongsTo(Partner::class, 'parent_partner_id');
    }

    /**
     * Für Makler/Händler: Zugeordnete Kunden (Child-Partners)
     */
    public function childPartners(): HasMany
    {
        return $this->hasMany(Partner::class, 'parent_partner_id');
    }

    /**
     * Alias für parentPartner (für bessere Lesbarkeit im Code)
     */
    public function broker(): BelongsTo
    {
        return $this->parentPartner();
    }

    /**
     * Alias für childPartners (für bessere Lesbarkeit im Code)
     */
    public function customers(): HasMany
    {
        return $this->childPartners();
    }

    /**
     * Ein Partner (Manufacturer) kann eine Marke haben
     */
    public function brand(): HasOne
    {
        return $this->hasOne(Brand::class);
    }

    // TODO: Später die Beziehung zu Products hinzufügen
    // public function products(): HasMany
    // {
    //     return $this->hasMany(Product::class);
    // }
}