<?php

namespace App\Http\Controllers;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
use App\Models\SensorData;
use App\Exports\DataExport;
use Maatwebsite\Excel\Facades\Excel;
use Maatwebsite\Excel\Concerns\Exportable;


use Illuminate\Http\Request;

class SensorDataController extends Controller
{
    function filter(Request $req)
    {
        // Ambil device_name dari request atau default ke semua perangkat
        $deviceNames = $req->device_name ? [$req->device_name] : getDevices();

        $data = [];

        foreach ($deviceNames as $deviceName) {
            $builder = SensorData::select(
                DB::raw('AVG(pressure) as pressure'),
                DB::raw('AVG(distance) as distance')
            );

            // Tambahkan kolom waktu berdasarkan filter
            if ($req->by == 'date') {
                $builder = $builder->addSelect(DB::raw('DATE_FORMAT(created_at, "%Y-%m-%d") as waktu'));
            } else if ($req->by == 'month') {
                $builder = $builder->addSelect(DB::raw('DATE_FORMAT(created_at, "%Y-%m") as waktu'));
            } else if ($req->by == 'year') {
                $builder = $builder->addSelect(DB::raw('DATE_FORMAT(created_at, "%Y") as waktu'));
            } else {
                $builder = $builder->addSelect(DB::raw('DATE_FORMAT(created_at, "%Y-%m-%d %H:00") as waktu'));
            }

            // Filter dan grup data berdasarkan waktu
            $data[$deviceName] = $builder
                ->where('device_name', 'like', "%$deviceName%")
                ->groupByRaw('waktu')
                ->get();
        }

        return [
            'message' => 'Data has been fetched',
            'data' => $data,
        ];
    }

public function coba($deviceName, Request $request)
{
    if ($deviceName === 'klampisan') {
        $deviceNames = ['klampisan_atas', 'klampisan_bawah'];
    } else {
        $deviceNames = [$deviceName];
    }

    $start_date = $request->get('start_date');
    $end_date = $request->get('end_date');

    $sensors = collect();
    $grouped = collect();

    if ($start_date && $end_date) {
        $request->validate([
            'start_date' => 'required|date',
            'end_date' => 'required|date',
        ]);

        $start_date = date('Y-m-d H:i:s', strtotime($start_date));
        $end_date = date('Y-m-d H:i:s', strtotime($end_date));

        $sensors = DB::table('sensor_data')
            ->selectRaw('device_name, DATE_FORMAT(created_at, "%Y-%m-%d %H:00:00") as interval_time, MAX(distance) as max_distance')
            ->whereIn('device_name', $deviceNames)
            ->whereBetween('created_at', [$start_date, $end_date])
            ->groupBy('device_name', 'interval_time')
            ->orderBy('interval_time')
            ->get();

        $grouped = $sensors->groupBy('device_name');
    }

    return view('admin.pages.dataprint', [
        'deviceName' => $deviceName,
        'sensors' => $sensors,
        'groupedSensors' => $grouped,
        'start_date' => $start_date,
        'end_date' => $end_date,
    ]);
}


    public function data($deviceName, Request $request)
    {
        $start_date = $request->get('start_date');
        $end_date = $request->get('end_date');
        $sensors = collect();
        if ($start_date && $end_date) {
            $request->validate([
                'start_date' => 'required|date',
                'end_date' => 'required|date',
            ]);
            $sensors = DB::table('sensor_data as s1')
                ->joinSub(
                    DB::table('sensor_data')
                        ->selectRaw('MAX(created_at) as max_time, DATE_FORMAT(created_at, 
                        "%Y-%m-%d %H:30:00") as interval_time, MAX(distance) as last_distance')
                        ->where('device_name', $deviceName)
                        ->whereBetween('created_at', [$start_date, $end_date])
                        ->groupBy('interval_time'),
                    's2',
                    's1.created_at',
                    '=',
                    's2.max_time'
                )
                ->select('s2.interval_time', 's2.last_distance')
                ->get();
        }
        return view('admin.pages.dataprint', compact('deviceName', 
        'sensors', 'start_date', 'end_date'));
    }

    public function export(Request $request)
    {
        // Mengambil parameter yang dikirimkan dari form ekspor
        $start_date = $request->get('start_date');
        $end_date = $request->get('end_date');
        $device_name = $request->get('device_name');

        // Ambil data sensor yang sudah difilter berdasarkan rentang tanggal dan device_name
        $sensors = DB::table('sensor_data as s1')
            ->joinSub(
                DB::table('sensor_data')
                    ->selectRaw('MAX(created_at) as max_time, DATE_FORMAT(created_at, "%Y-%m-%d %H:30:00") as interval_time, MAX(distance) as last_distance')
                    ->where('device_name', $device_name)
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->groupBy('interval_time'),
                's2',
                's1.created_at',
                '=',
                's2.max_time'
            )
            ->select('s2.interval_time', 's2.last_distance')
            ->get();

        // Kirim data ke export
        return Excel::download(new DataExport($sensors), 'sensor_data_' . $device_name . '.xlsx');

    }}