<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Auth;
use Maatwebsite\Excel\Facades\Excel;
use App\Models\Sps_pendapatan;
use App\Models\BelanjaRealisasi;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

class JadwalSalurdanaController extends Controller
{
    public function __construct(){
        parent::__construct();
        $this->setTitle("Jadwal Salur Dana");
        $this->setIconTitle("fa fa-calendar-alt");
    }

    /*
    public function index()
    {
        return view('jadwal_salurdana.index');
    }
    */

    protected function filterJadwalSalur($request)
    {
        $ta = getTA();

        $post = $request->all();
        $typeDana = isset($post["jenis_dana"])?strtoupper($post["jenis_dana"]):"";
        $idSPS = isset($post["id_sps"])?$post["id_sps"]:"";
        $sqlstr = Sps_pendapatan::queryJadwalSalurDana($ta);

        if (!empty($idSPS)){
            $sqlstr.=" AND x.KODE_REKENING='$idSPS'";
        }

        if (!empty($typeDana)){
            $kodeRekening = "'".implode("','",getKodeRekInduk($typeDana))."'";
            $sqlstr.=" AND SUBSTR(x.kode_rekening,1,12) IN ($kodeRekening)";
        }

        return $sqlstr;
    }

    protected function filterBelanja($request, $typeDana)
    {
        $ta = getTA();

        $post = $request->all();
        $src = isset($post["src"]) ? $post["src"]:"";
        $idSPS = isset($post["id_sps"])?$post["id_sps"]:"";
        $skpd = isset($post["skpd"])?$post["skpd"]:"";

        $where = "";
        if (!empty($typeDana)){
            $where = $typeDana == "cht" ? " AND x.jenis_dana = 'DBH' AND lower(x.NAMA_SUBJENIS_DANA) = 'cht' ": " AND x.jenis_dana = '$typeDana'";
        }
        $where.= !empty($idSPS) ? " AND x.kode_rekening='$idSPS' ":"";

        $sqlstr = 'SELECT x.kode_skpd, x.nama_skpd, x.kode_rsk, x.nama_rsk, x.jumlah_anggaran, y.*  
                    FROM SAMASA.VW_BELANJA_REALISASI x 
                    LEFT JOIN SAMASA.MV_ASYNC_AKB_REALISASI y 
                    ON x.KODE_RSK = y.I_IDRSK AND x.TAHUN_ANGGARAN = y.C_ANGG_TAHUN 
                    WHERE x.TAHUN_ANGGARAN = \''.$ta.'\''.$where;
        
        if (getRole()=="skpd"){
            $sqlstr.=" AND KODE_SKPD='".Auth::user()->nrk."'";
        }else{
            if ($skpd){
                $sqlstr.=" AND KODE_SKPD='$skpd'";
            }
        }

        return $sqlstr;
    }

    public function datatableSalur(Request $request)
    {
        $post = $request->all();
        $offset = $post["start"];
        $limit = $post["length"];

        $sqlstr = $this->filterJadwalSalur($request);
        $dataTotal = count(DB::select(DB::raw($sqlstr)));

        $sqlLimit = $limit > 0?" OFFSET ".$offset." ROWS FETCH NEXT ".$limit." ROWS ONLY ":""; 
        $data = DB::select(DB::raw($sqlstr.'ORDER BY x.kode_rekening '.$sqlLimit));
        $dataFilter = count(DB::select(DB::raw($sqlstr)));

        return response()->json([
            "recordsTotal" => $dataTotal,
            "recordsFiltered" => $dataFilter,
            "data"=> $data
        ]);
    }

    public function index()
    {   
        return view("jadwal_salurdana.index");
    }

    public function datatableBelanja(Request $request)
    {
        $post = $request->all();
        $offset = $post["start"];
        $limit = $post["length"];
        $typeDana = $post["jenis_dana"];

        $sqlstr = $this->filterBelanja($request, $typeDana);

        $sqlLimit = $limit > 0?" OFFSET ".$offset." ROWS FETCH NEXT ".$limit." ROWS ONLY ":""; 
        $data = DB::select(DB::raw($sqlstr.' ORDER BY x.kode_skpd,x.kode_rsk '.$sqlLimit));
        $dataTotal = count(DB::select(DB::raw($sqlstr)));
        $dataFilter = count(DB::select(DB::raw($sqlstr)));

        return response()->json([
            "recordsTotal" => $dataTotal,
            "recordsFiltered" => $dataFilter,
            "data"=> $data
        ]);
    }

    protected function exportJadwalSalur($request)
    {
        $sqlstr = $this->filterJadwalSalur($request);
        $sqlstr .= " ORDER BY kode_rekening";

        $data = DB::select(DB::raw($sqlstr));
        $data = json_decode(json_encode($data),true);

        $spreadsheet = new Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();    
        $sheet->setTitle('Jadwal Salur');

        $sheet->setCellValue('A1', 'Kode Rekening');
        $sheet->setCellValue('B1', 'Nama Rekening');
        $alpha = range("A","Z");
        $colIndex = 2;
        // Nama Kolom bulan
        $bulans = GetBulan();
        foreach($bulans as $bulan){
            $sheet->setCellValue($alpha[$colIndex].'1', $bulan);
            $colIndex++;
            $sheet->mergeCells($alpha[$colIndex].'1'.':'.$alpha[$colIndex].'1');
            $colIndex++;
        }
        $sheet->setCellValue(getAlphabetCell($colIndex).'1', "Total");
        $sheet->mergeCells(getAlphabetCell($colIndex).'1'.':'.getAlphabetCell($colIndex+1).'1');
        $sheet->mergeCells('A1:A2');
        $sheet->mergeCells('B1:B2');
        $colIndex++;

        // Nama Kolom Jadwal dan Realisasi
        $colName = "Realisasi";
        for($i=2;$i<=$colIndex;$i++){
            $colName = $colName == "Jadwal" ? "Realisasi":"Jadwal";
            $sheet->setCellValue(getAlphabetCell($i).'2', $colName);
        }

        // Data Kolom Bulan dan Realisasi
        $rows = 3; 
        foreach ($data as $val){
            $sheet->setCellValue('A' . $rows, $val["kode_rekening"]);
            $sheet->setCellValue('B' . $rows, $val["nama_rekening"]);
            $totalJadwalSalur = 0;
            $totalRealisasi = 0;
            $currIndex = 2;
            for($i=1;$i<=12;$i++){
                $sheet->setCellValue(getAlphabetCell($currIndex).$rows, $val["spsbulan".$i]);
                $totalJadwalSalur += $val["spsbulan".$i];
                $currIndex++;
                $sheet->setCellValue(getAlphabetCell($currIndex).$rows, $val["real".$i]);
                $totalRealisasi += $val["real".$i];
                $currIndex++;
            }
            $sheet->setCellValue(getAlphabetCell($currIndex).$rows, $totalJadwalSalur);
            $sheet->setCellValue(getAlphabetCell($currIndex+1).$rows, $totalRealisasi);

            $rows++;
        } 

        // TOTAL BAWAH
        $sheet->setCellValue("A".$rows , "TOTAL");
        $sheet->mergeCells('A'.$rows.':'.'B'.$rows);
        for ($x=2;$x<=$colIndex;$x++){
            $strAlpha = getAlphabetCell($x);
            $SUMRANGE = $strAlpha."3:".$strAlpha.($rows-1);
            $sheet->setCellValue($strAlpha.$rows , "=SUM($SUMRANGE)");
        }

        return $spreadsheet;
    }

    public function download(Request $request)
    {
        $spreadsheet = $this->exportJadwalSalur($request);

        $fileName = 'Jadwal-salur-dana.xlsx';
        $writer = new Xlsx($spreadsheet);
        $writer->save("downloadFiles/".$fileName);
        $headers = [
            'Content-Type' => 'application/vnd.ms-excel',
            'Content-Disposition' => 'attachment;filename='.$fileName
        ];
        
        return response()->download("downloadFiles/".$fileName, $fileName, $headers);
    }


    public function downloadAll(Request $request)
    {
        $post = $request->all();

        $fileName = 'Jadwal-salur-belanja-'.date("Ymd").'.xlsx';

        $spreadsheet = $this->exportJadwalSalur($request);
        $spreadsheet->createSheet();
        $spreadsheet->setActiveSheetIndex(1);
        $sheet = $spreadsheet->getActiveSheet();
        
        $sheet->setTitle('Akb dan Realisasi');
        $sheet->setCellValue('A1', 'SKPD');
        $sheet->setCellValue('B1', 'RSK');
        $alpha = range("A","Z");
        $colIndex = 2;
        // Nama Kolom bulan
        $bulans = GetBulan();
        foreach($bulans as $bulan){
            $sheet->setCellValue($alpha[$colIndex].'1', $bulan);
            $colIndex++;
            $sheet->mergeCells($alpha[$colIndex].'1'.':'.$alpha[$colIndex].'1');
            $colIndex++;
        }
        $sheet->setCellValue(getAlphabetCell($colIndex).'1', "Total");
        $sheet->mergeCells(getAlphabetCell($colIndex).'1'.':'.getAlphabetCell($colIndex+1).'1');
        $sheet->mergeCells('A1:A2');
        $sheet->mergeCells('B1:B2');
        $colIndex++;

        // Nama Kolom Jadwal dan Realisasi
        $colName = "Realisasi";
        for($i=2;$i<=$colIndex;$i++){
            $colName = $colName == "AKB" ? "Realisasi":"AKB";
            $sheet->setCellValue(getAlphabetCell($i).'2', $colName);
        }


        $sqlstr = $this->filterBelanja($request, $post["jenis_dana"]);

        $data = DB::select(DB::raw($sqlstr));
        $data = json_decode(json_encode($data),true);

        // Data Kolom Bulan dan Realisasi
        $rows = 3; 
        foreach ($data as $val){
            $sheet->setCellValue('A' . $rows, $val["kode_skpd"]." | ".$val["nama_skpd"]);
            $sheet->setCellValue('B' . $rows, $val["kode_rsk"]." | ".$val["nama_rsk"]);
            $totalJadwalSalur = 0;
            $totalRealisasi = 0;
            $currIndex = 2;
            for($i=1;$i<=12;$i++){
                $sheet->setCellValue(getAlphabetCell($currIndex).$rows, $val["v_akb_".substr("00".$i,-2)]);
                $totalJadwalSalur += $val["v_akb_".substr("00".$i,-2)];
                $currIndex++;
                $sheet->setCellValue(getAlphabetCell($currIndex).$rows, $val["v_bku_".substr("00".$i,-2)]);
                $totalRealisasi += $val["v_bku_".substr("00".$i,-2)];
                $currIndex++;
            }
            $sheet->setCellValue(getAlphabetCell($currIndex).$rows, $totalJadwalSalur);
            $sheet->setCellValue(getAlphabetCell($currIndex+1).$rows, $totalRealisasi);

            $rows++;
        } 

        // TOTAL BAWAH
        $sheet->setCellValue("A".$rows , "TOTAL");
        $sheet->mergeCells('A'.$rows.':'.'B'.$rows);
        for ($x=2;$x<=$colIndex;$x++){
            $strAlpha = getAlphabetCell($x);
            $SUMRANGE = $strAlpha."3:".$strAlpha.($rows-1);
            $sheet->setCellValue($strAlpha.$rows , "=SUM($SUMRANGE)");
        }

        $spreadsheet->setActiveSheetIndex(0);

        $writer = new Xlsx($spreadsheet);
        $writer->save("downloadFiles/".$fileName);
        $headers = [
            'Content-Type' => 'application/vnd.ms-excel',
            'Content-Disposition' => 'attachment;filename='.$fileName
        ];
        return response()->download("downloadFiles/".$fileName, $fileName, $headers);
    }

}