<?php

namespace App\Http\Controllers\Admin;

use App\Http\Requests;
use App\Models\Settings as SettingsModel;
use Illuminate\Support\Facades\App;
use Mcamara\LaravelLocalization\Facades\LaravelLocalization;

class Settings extends Controller
{
    /**
     * @var SettingsModel
     */
    protected $settings;

    /**
     * Settings constructor.
     *
     * @param SettingsModel $settings
     */
    public function __construct(SettingsModel $settings)
    {
        $this->settings = $settings;
    }

    /**
     * Get overview (with form) for editing settings
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function getOverview()
    {
        $sections = App::make('registerSettingsExtension')
                       ->get();

        // load all settings with language info
        $settings = $this->settings->getAllWithLanguage();

        return view('admin.settings.overview', [
            'formSections' => $sections,
            'settings'     => $settings
        ]);
    }

    /**
     * Save all settings (ignore empty ones)
     *
     * When settings used to be non-empty string and user deletes it, key is also deleted from database
     *
     * @param Requests\SaveSettingsRequest $request
     *
     * @return \Illuminate\Http\RedirectResponse
     */
    public function saveSettings(Requests\SaveSettingsRequest $request)
    {
        $data = $request->all();
        $commonSettings = isset($data['commonSettings']) ? $data['commonSettings'] : [];

        // remove CSRF token field
        unset($data['_token'], $data['commonSettings']);

        foreach ($data as $key => $value) {
            // select language for this setting key
            $language = isset($commonSettings[$key]) ? null : LaravelLocalization::getCurrentLocale();
            $setting = SettingsModel::firstOrNew(['language' => $language, 'key' => $key]);

            if ($setting->value == $value) {
                continue;
            }

            // set value and save or delete
            $setting->value = $value;
            $setting->save();
        }

        return redirect()
            ->route('settings.overview')
            ->with('success', trans('admin/settings.successfullySaved'));
    }
}