<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

// Add This For Import DOMPDF Library
use Barryvdh\DomPDF\Facade\Pdf;


class NotificationController extends Controller
{
    //Function Retrieve Current Rainfall Notification
    public function rainfallNotification()
    {
        $rainfallData =collect( DB::select("
            SELECT s.*, n.*
            FROM station s
            INNER JOIN notification n ON s.stationid = n.stationid
            WHERE n.stationtype = 1 
            AND n.timestamp::date = CURRENT_DATE
            ORDER BY n.timestamp desc
        "));

        return view('layout.notification.rainfall',compact('rainfallData'));
    }

    // Function Retrieve Current Water Level Notification
    public function wlNotification()
    {
        $wlData = collect(DB::select("
            SELECT s.*,n.*
            FROM station s 
            INNER JOIN notification n ON s.stationid = n.stationid
            WHERE n.stationtype = 2
            AND n.timestamp::date = CURRENT_DATE
            ORDER BY timestamp desc
        "));

        return view('layout.notification.waterlevel',compact('wlData'));
    }

    // Function Retrieve Current Siren Notification
    public function SirenNotification()
    {
        $sirenData = collect(DB::select("
                SELECT 
                    station.*,
                    siren.*
                FROM station
                INNER JOIN siren ON station.stationid = siren.stationid
                INNER JOIN (
                    SELECT stationid, MAX(active_time) AS active_time
                    FROM siren
                    GROUP BY stationid
                ) latest ON siren.stationid = latest.stationid
                    AND siren.active_time = latest.active_time
                WHERE station.siren = 1 AND siren.level != 'N' AND siren.active_time >= CURRENT_DATE - INTERVAL '3 days'
                ORDER BY siren.active_time DESC
        "));

        return view('layout.notification.siren',compact('sirenData'));
    }

    // Function Retrieve Rainfall Notification History
    public function rfHistory()
    {
        $rfHistory = DB::table('station')
        ->join('notification','station.stationid','notification.stationid')
        ->select('station.*','notification.*')
        ->where('notification.stationtype',1)
        ->orderByDesc('notification.timestamp')
        ->paginate(10);
        return view('layout.notification.history.rainfall',compact('rfHistory'));
    }

    // Function Retrieve Water Level History
    public function wlHistory()
    {
        $wlHistory = DB::table('station')
        ->join('notification','station.stationid','notification.stationid')
        ->select('station.*','notification.*')
        ->where('notification.stationtype',2)
        ->orderByDesc('notification.timestamp')
        ->paginate(10);
        return view('layout.notification.history.waterlevel',compact('wlHistory'));
    }

    //Function Export PDF for Rainfall History
    public function exportHistoryRfPDF()
    {
         $rfHistory = DB::table('station')
        ->join('notification','station.stationid','notification.stationid')
        ->select('station.*','notification.*')
        ->where('notification.stationtype',1)
        ->orderByDesc('notification.timestamp')->get();

        $pdf = Pdf::loadView('pdf.rfhistory',compact('rfHistory'))
        ->setPaper('a4','portrait');

        return $pdf->download('Rainfall Alarm History.pdf');

    }

    // Function Export PDF for Water Level History
    public function exportHistoryWlPDF()
    {
        $wlHistory = DB::table('station')
        ->join('notification','station.stationid','notification.stationid')
        ->select('station.*','notification.*')
        ->where('notification.stationtype',2)
        ->orderByDesc('notification.timestamp')->get();

        $pdf = Pdf::loadView('pdf.wlhistory',compact('wlHistory'))
        ->setPaper('a4','portrait');

        return $pdf->download('Water Level Alarm History.pdf');

    }
}