<?php

namespace App\Http\Controllers\Admin;

use App\Traits\ModelAttributeTranslationsUpdattable;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Auth;

class PostController extends Controller
{
    use ModelAttributeTranslationsUpdattable;

    private function getModelClass($resource)
    {
        return config('postTypes.' . $resource)['model'];
    }

    private function getResource(Request $request)
    {
        return explode('.', str_replace(config('admin.route_name_prefix'), '', $request->route()->getName()))[0];
    }

    public function index(Request $request)
    {

    }

    public function edit(Request $request, $postId)
    {
        $resource = $this->getResource($request);
        $modelClass = $this->getModelClass($resource);
        $post = $modelClass::find($postId);
        $languages = app('SiteState')->languageTranslations;
        return view('admin.menu.posts.edit', [
            'adminRouteNamePrefix' => config('admin.route_name_prefix'),
            'resource' => $resource,
            'post' => $post,
            'languages' => $languages
        ]);
    }

    public function create(Request $request)
    {

    }

    public function store(Request $request)
    {
        return $this->update($request, null);
    }

    public function update(Request $request, $postId)
    {
        $defaultLocale = config('app.locale');
        $resource = $this->getResource($request);
        $modelClass = $this->getModelClass($resource);

        /** @var \App\Post $post */
        if($postId) {
            $post = $modelClass::find($postId);
        } else {
            $post = app($modelClass);
            $translatableAttributes = $post->getTranslatableAttributes();
            $translatableAttributeValues = $request->all($translatableAttributes);
            $translatableAttributeValues = collect($translatableAttributeValues)->map(function($translatableAttributeValue) use ($defaultLocale){
                return $translatableAttributeValue[$defaultLocale];
            });
            $post = $modelClass::create(array_merge($translatableAttributeValues->toArray(), [
                'user_id' => Auth::id()
            ]));
        }

        // Post的可翻譯屬性
        $translatableAttributes = $post->getTranslatableAttributes();
        // 更新所有可翻譯的屬性
        foreach ($translatableAttributes as $translatableAttribute) {
            $translations = $request->get($translatableAttribute);
            if($translations) {
                $this->updateAttributeTranslations($post, $translatableAttribute, $translations);
            }
        }

        $post->fill([
            'feature_image_id' => $request->get('feature_image_id')
        ]);
        $post->save();

        return redirect(route(config('admin.route_name_prefix') . $resource . '.edit', [$resource => $post->id]));
    }

    public function show(Request $request)
    {

    }

    public function destroy(Request $request, $postId)
    {
        $resource = $this->getResource($request);
        $modelClass = $this->getModelClass($resource);

        $post = $modelClass::find($postId);
        $post->delete();
        return back();
    }
}