<?php

namespace App\Models;

use Exception;
use Illuminate\Database\Eloquent\Model;

class Reduction extends Model
{
    public $fillable = [
        'code', 'name', 'value', 'used',
        'desktop_image_available', 'mobile_image_available'
    ];

    public function products()
    {
        return $this->belongsToMany(Products::class, 'reduction_config', 'reduction_id', 'product_id');
    }

    public function notifiable()
    {
        return $this->morphOne(Notifications::class, 'notifiable');
    }

    public function ranges()
    {
        return $this->belongsToMany(Range::class, 'reduction_config', 'reduction_id', 'range_id');
    }

    public static function updateBr()
    {
        // On récupère les réductions depuis MesBR
        /** @var \App\Lib\MesBR */
        $mesBR          = app('mesBR');
        $mesBrReduction = $mesBR->getMur();

        if ($mesBrReduction->status !== 'OK' or !isset($mesBrReduction->coupons)) {
            throw new Exception('Mes BR call failed getMur');
        }

        $coupons = collect($mesBrReduction->coupons);

        // get all reductions models
        $dbReduction = Reduction::all();

        // remove non existent reductions
        foreach ($dbReduction as $dbReduction) {
            if (!($coupon = $coupons->where('code', $dbReduction->code)->first())) {
                $dbReduction->delete();
            } else {
                $dbReduction->fill(\json_decode(\json_encode($coupon), true));
                $dbReduction->saveOrFail();
                $coupons->forget([$coupons->search(function ($i) use ($coupon) {
                    return $coupon->code == $i->code;
                })]);
            }
        }

        // save all new coupons
        foreach ($coupons as $coupon) {
            (new Reduction(\json_decode(\json_encode($coupon), true)))->saveOrFail();
        }
    }
}