<?php

namespace App\Http\Controllers;

use App\Filters\Webstream\WebstreamFilters;
use App\Models\Webstream;
use App\Services\WebstreamService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Exception;
use Throwable;

class WebstreamController extends Controller
{

    public function __construct(WebstreamService $webstreamService)
    {
        $this->webstreamService = $webstreamService;
    }

    public function index(WebstreamFilters $filters)
    {
        try {
            if ( ! isset($filters->per_page) || is_null($filters)) {
                $pagination = 20;
            } else {
                $pagination = $filters->per_page;
            }

            return Webstream::searchFilter($filters)->cursorPaginate($pagination)->toJson();
        } catch (Exception $e) {
            Log::error($e->getMessage());

            return response()->json(['message' => $e->getMessage()], 500);
        }
    }

    public function show(Request $request, $webstreamId)
    {
        try {
            $webstream = Webstream::findOrFail($webstreamId);

            return response()->json($webstream);
        } catch (Exception $e) {
            DB::rollBack();
            Log::error($e->getMessage());

            return response()->json(['message' => 'Webstream not found: ' . $e->getMessage()], 404);
        }
    }

    public function store(Request $request)
    {
        try {
            # Todo length field needs to be validated against a type
            $data = $request->validate([
                'name'        => ['required'],
                'description' => ['required'],
                'url'         => ['required', 'url'],
                'length'      => ['required'],
            ]);

            $isAudioStream =  $this->webstreamService->isAudioStream($data['url']);

            # TODO Permissions
            $data['mtime']      = now();
            $data['utime']      = now();
            $data['creator_id'] = auth()->id();

            DB::beginTransaction();
            $webstream = Webstream::create($data);
            DB::commit();

            return response()->json([
                'status'  => 'success',
                'message' => 'Webstream saved successfully!',
                'data'    => $webstream,
                'isAudioStream' => $isAudioStream
            ]);
        } catch (Exception $e) {
            Log::error($e->getMessage());
            DB::rollBack();

            return response()->json(['message' => $e->getMessage()], 500);
        } catch (Throwable $e) {
            DB::rollBack();
            Log::error($e->getMessage());

            return response()->json(['message' => $e->getMessage()], 500);
        }
    }

    public function update(Request $request, Webstream $webstream)
    {
        try {
            $data = $request->validate([
                'name'        => ['required'],
                'description' => ['required'],
                'url'         => ['required', 'url'],
            ]);

            $isAudioStream =  $this->webstreamService->isAudioStream($data['url']);

            // Update utime to current time
            $data['utime'] = now();

            DB::beginTransaction();
            $webstream->update($data);
            DB::commit();

            return response()->json([
                'status'  => 'success',
                'message' => 'Webstream updated successfully!',
                'data'    => $webstream,
                'isAudioStream' => $isAudioStream
            ]);
        } catch (Exception $e) {
            DB::rollBack();
            Log::error($e->getMessage());

            return response()->json(['message' => $e->getMessage()], 500);
        } catch (Throwable $e) {
            DB::rollBack();
            Log::error($e->getMessage());

            return response()->json(['message' => $e->getMessage()], 500);
        }
    }

    public function destroy(Webstream $webstream)
    {
        try {
            DB::beginTransaction();
            $webstream->delete();
            DB::commit();

            return response()->json([
                'status'  => 'success',
                'message' => 'Webstream deleted successfully!'
            ]);
        } catch (Exception $e) {
            DB::rollBack();
            Log::error($e->getMessage());

            return response()->json(['message' => $e->getMessage()], 500);
        } catch (Throwable $e) {
            DB::rollBack();
            Log::error($e->getMessage());

            return response()->json(['message' => $e->getMessage()], 500);
        }
    }
}