<?php

namespace App\Http\Controllers\API;

use App\Exceptions\HTTPException;
use App\Exceptions\NoPermissionException;
use App\Exceptions\NotLoggedInException;
use App\Exceptions\ResourceNotFound;
use App\Http\Resources\API\App;
use App\Http\Resources\API\AppAccess;
use App\Http\Resources\API\AppForOwner;
use App\Http\Resources\API\AppUser;
use App\Models\Setting;
use App\Models\User;
use Aws\S3\S3Client;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Log;
use Laravel\Lumen\Routing\Controller as BaseController;
use TaGeSo\APIResponse\Response;

class AppController extends BaseController
{
    public function createApp(Request $request, Response $response) {
        if(!Auth::check()) {
            throw new NotLoggedInException();
        }

        if (!Auth::user()->developer) {
            throw new NoPermissionException(403, "You need a developer Account to create new Apps.");
        }

        if (!app('currentAccess')->getApp()->access_update_apps) {
            throw new NoPermissionException(403, "App has no access to perform this request.");
        }

        $this->validate($request, [
            'name' => 'required|max:255|min:3|regex:@^[a-zA-Z0-9]*$@|unique:apps',
            'description' => 'required|min:3',
            'url' => 'required|url'
        ]);

        $app = \App\Models\App::createApp($request->input("name"), htmlspecialchars($request->input("description")), $request->input("url"), Auth::user());

        return $response->withData(new AppForOwner($app));


    }
    public function listApps(Response $response) {
        if (!Auth::check()) {
            throw new NotLoggedInException();
        }

        if (!Auth::user()->developer) {
            throw new NoPermissionException(403, "You need a developer Account to create new Apps.");
        }

        if (!app('currentAccess')->getApp()->access_read_apps) {
            throw new NoPermissionException(403, "App has no access to perform this request.");
        }


        $apps = \App\Models\App::query()->where("user_id", "=", Auth::user()->id)->paginate(100);

        $response->setPagination(
            $apps->currentPage(),
            $apps->lastPage(),
            $apps->perPage()
        );

        return $response->withData(AppForOwner::collection($apps));
    }
    public function appDetails(Response $response, $id) {
        if(!Auth::check()) {
            throw new NotLoggedInException();
        }

        $app = \App\Models\App::query()->where("id", "=", (int)$id)->firstOrFail();

        if($app->user_id == Auth::user()->id || Auth::user()->admin) {
            return $response->withData(new AppForOwner($app));
        }

        return $response->withData(new App($app));
    }

    public function findApp(Response $response, \Illuminate\Http\Request $request) {
        $this->validate($request, [
            'apiKey' => '',
            'webpage' => ''
        ]);

        if(!$request->input("webpage", false) || !empty($request->input("apiKey"))) {
            if(!Auth::check()) {
                throw new NotLoggedInException();
            }
        }

        $query = \App\Models\App::query();

        if($request->input("apiKey", false)) {
            $query->where("apiKey", "=", $request->input("apiKey"));
        }

        if($request->input("webpage", false)) {
            $query->where("show_on_webpage", "=", 1);
        }


        $apps = $query->paginate(20);

        $response->setPagination($apps->currentPage(), $apps->lastPage(), $apps->perPage());
        return $response->withData(App::collection($apps));
    }

    public function updateApp(Response $response, \Illuminate\Http\Request $request, $id) {
        if(!Auth::check()) {
            throw new NotLoggedInException();
        }

        $this->validate($request, [
            'name' => 'required|max:255|min:3|regex:@^[a-zA-Z0-9]*$@',
            'description' => 'required|min:3',
            'url' => 'required|url',
            'direct_url' => 'url'
        ]);

        $app = \App\Models\App::query()->where("id", "=", $id)->firstOrFail();

        if($app->user_id != Auth::user()->id) {
            throw new NoPermissionException(403, "Not your app (".$app->user_id."/".Auth::user()->id.")");
        }

        $app->name = $request->input("name");
        $app->description = $request->input("description");
        $app->url = $request->input("url");
        $app->direct_url = $request->input("direct_url");
        $app->saveOrFail();

        return $response->withData(new AppForOwner($app));
    }

    public function getUsers(Response $response, $id) {
        if(!Auth::check()) {
            throw new NotLoggedInException();
        }

        $app = \App\Models\App::query()->where("id", "=", $id)->firstOrFail();

        if($app->user_id != Auth::user()->id) {
            throw new NoPermissionException(403, "Not your app");
        }

        $access = \App\Models\AppAccess::query()->where("status", "=", "allowed")->where("app_id", "=", $id)->paginate(100);

        $response->setPagination(
            $access->currentPage(),
            $access->lastPage(),
            $access->perPage()
        );

        return $response->withData(AppUser::collection($access));
    }

    public function changeImage(Request $request, Response $response, $id) {
        if(!Auth::check()) {
            throw new NotLoggedInException();
        }

        $newTmp = tempnam("", "icon_upload");
        $request->file("img")->move("/tmp", $newTmp);
        $info = getimagesize($newTmp);
        Log::debug("Image sitze", $info);
        Log::debug("File size ".filesize($newTmp));
        if($info["0"] != $info["1"]) {
            throw new HTTPException(400, "Image must be a squader.");
        }

        if($info[0] > 1000) {
            throw new HTTPException(400, "Image is to big, max 1000 px.");
        }
        if($info[0] < 50) {
            throw new HTTPException(400, "Image is to small, min 50 px.");
        }

        $app = \App\Models\App::query()->where("id", "=", $id)->firstOrFail();

        if($app->user_id != Auth::user()->id) {
            throw new NoPermissionException(403, "Not your app (".$app->user_id."/".Auth::user()->id.")");
        }

        $image = imagecreatefrompng($newTmp);
        imagepng($image, $newTmp."2", 2);

        Log::debug("New File size ".filesize($newTmp."2"));

        $s3 = app(S3Client::class);

        $result = $s3->putObject([
            "Bucket" => getenv("S3_Bucket"),
            "Key" => "icons/icon_".$app->id.".png",
            "SourceFile" => $newTmp,
            'ACL'    => 'public-read'
        ]);

        $app->iconURL = $result['ObjectURL'];
        $app->saveOrFail();

        return $response->withData(["url" => $result['ObjectURL']]);
    }
    public function getAppIcon($id) {
        $app = \App\Models\App::query()->where("id", "=", $id)->firstOrFail();

        if(!is_dir(storage_path("icon"))) {
            mkdir(storage_path("icon"));
        }

        $cacheFile = storage_path("icon/".$app->id.".png");

        if(file_exists($cacheFile)) {
            $icon = file_get_contents($cacheFile);
        } else {
            if(!empty($app->iconURL)) {
                $icon = file_get_contents($app->iconURL);
                file_put_contents($cacheFile, $icon);
            } else {
                $icon = file_get_contents(resource_path("images/app.png"));
            }
        }

        $r = getimagesizefromstring($icon);

        return response($icon)
            ->header('Content-Type',$r["mime"]);
    }


}