<?php

namespace App\Http\Controllers\Admin;

use App\Facade\Theme;
use App\Facade\UserConfig;
use App\Storage;
use Illuminate\Http\Request;

use App\Http\Requests;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\App;

class StorageController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $this->authorize('admin-access');

        $storageLocations = Storage::orderBy('name')
            ->paginate(UserConfig::get('items_per_page'));

        return Theme::render('admin.list_storage', [
            'storageLocations' => $storageLocations
        ]);
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        $this->authorize('admin-access');

        $filesystemDefaultLocation = sprintf('%s/storage/app/albums', dirname(dirname(dirname(dirname(__DIR__)))));

        return Theme::render('admin.create_storage', [
            'album_sources' => UserConfig::albumSources(),
            'filesystem_default_location' => $filesystemDefaultLocation
        ]);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Requests\StoreStorageRequest $request)
    {
        $this->authorize('admin-access');

        $storage = new Storage();
        $storage->fill($request->only(['name', 'source', 'location']));
        $storage->is_default = (strtolower($request->get('is_default')) == 'on');
        $storage->save();

        if ($storage->is_default)
        {
            $this->unsetIsDefaultFromOthers($storage);
        }

        return redirect(route('storage.index'));
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    //public function show($id)
    //{
        //
    //}

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $this->authorize('admin-access');

        $storage = Storage::where('id', intval($id))->first();
        if (is_null($storage))
        {
            App::abort(404);
        }

        return Theme::render('admin.edit_storage', ['storage' => $storage]);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Requests\StoreStorageRequest $request, $id)
    {
        $this->authorize('admin-access');

        $storage = Storage::where('id', intval($id))->first();
        if (is_null($storage))
        {
            App::abort(404);
        }

        $storage->fill($request->only(['name']));
        $storage->is_default = (strtolower($request->get('is_default')) == 'on');
        $storage->save();

        if ($storage->is_default)
        {
            $this->unsetIsDefaultFromOthers($storage);
        }

        return redirect(route('storage.index'));
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        //
    }

    private function unsetIsDefaultFromOthers(Storage $storage)
    {
        // If this storage is flagged as default, remove all others
        foreach (Storage::all() as $otherStorage)
        {
            if ($otherStorage->id == $storage->id)
            {
                // Ignore the one just created
                continue;
            }

            $otherStorage->is_default = false;
            $otherStorage->save();
        }
    }
}