<?php
include('includes/config/config.php');
include('includes/functions.php');
include('log_entry.php');
//$conn = mysqli_connect( 'localhost', 'root', '', 'phpsamples' );
require_once('excel/vendor/php-excel-reader/excel_reader2.php');
require_once('excel/vendor/SpreadsheetReader.php');

$inter_procurement_id = array();

$response_array = array();
$response_mssages = '';

begin();

$allowedFileType = ['application/vnd.ms-excel', 'text/xls', 'text/xlsx', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'];

if (in_array($_FILES['file']['type'], $allowedFileType)) {

    $targetPath = 'excel/uploads/' . $_FILES['file']['name'];
    move_uploaded_file($_FILES['file']['tmp_name'], $targetPath);

    $Reader = new SpreadsheetReader($targetPath);

    $sheetCount = count($Reader->sheets());
    $insert_counter = 0;
    $update_counter = 0;
    $fail_counter = 0;


    for ($i = 0; $i < 1; $i++) {

        $Reader->ChangeSheet($i);
        $j = 0;
        foreach ($Reader as $Row) {
            if ($j == 0) {
                $j = 1;
                continue;
            }

            if ($Row[0] == '') {
                continue;
            }

            error_log('again here');
            $attendance_date = '';
            if (isset($Row[0])) {
                $attendance_date = mysqli_real_escape_string($conn, $Row[0]);
            }

            $staff_name = '';
            if (isset($Row[1])) {
                $staff_name = mysqli_real_escape_string($conn, $Row[1]);
            }
            $ohc_location = '';
            if (isset($Row[2])) {
                $ohc_location = mysqli_real_escape_string($conn, $Row[2]);
            }
            $wo = '';
            if (isset($Row[3])) {
                $wo = mysqli_real_escape_string($conn, $Row[3]);
                if (strtoupper($wo) == 'W') {
                    $wo = "W";
                } else {
                    $wo = "P";
                }
            }
            $inDate = '';
            if (isset($Row[4])) {
                $inDate = mysqli_real_escape_string($conn, $Row[4]);
            }
            $intime = '';
            if (isset($Row[5])) {
                $intime = mysqli_real_escape_string($conn, $Row[5]);
            }
            $outDate = '';
            if (isset($Row[6])) {
                $outDate = mysqli_real_escape_string($conn, $Row[6]);
            }
            $outtime = '';
            if (isset($Row[7])) {
                $outtime = mysqli_real_escape_string($conn, $Row[7]);
            }
            $ot = '';
            if (isset($Row[8])) {
                $ot = mysqli_real_escape_string($conn, $Row[8]);
                if (strtoupper($ot) == 'Y') {
                    $ot = "yes";
                } else {
                    $ot = "no";
                }
            }


            $shift = '';
            if (isset($Row[9])) {
                $shift = mysqli_real_escape_string($conn, $Row[9]);
            }

            $remarks = '';
            if (isset($Row[10])) {
                $remarks = mysqli_real_escape_string($conn, $Row[10]);
            }

            // error_log("type " . gettype($attendance_date));
            // error_log("type " . gettype($inDate));
            // error_log("type " . gettype($outDate));
            // error_log("type " . gettype($intime));
            // error_log("type " . gettype($outtime));

            $staff_id = getFieldFromTable('staff_id', 'staff_master', 'staff_name', $staff_name);

            if ($staff_id == '' || $staff_id == null) {
                $response_mssages .= "<br>Staff Name Doesn't exists in database" . $staff_name;
                $fail_counter++;
                continue;
            }

            $staff_ohc = getFieldFromTable('ohc_type_id', 'ohc_type', 'ohc_type_name', $ohc_location);

            if ($staff_ohc == '' || $staff_ohc == null) {
                $response_mssages .= "<br>Ohc Doesn't exists in database" . $ohc_location;
                $fail_counter++;
              
            }


            $attendance_date = date("Y-m-d", strtotime($attendance_date));
            error_log("attendance date " . $attendance_date);


            if (!empty($inDate)) {
                $inDate = date("Y-m-d", strtotime($inDate));
            } else {
                $inDate = "";
            }
            if (!empty($outDate)) {
                $outDate = date("Y-m-d", strtotime($outDate));
            } else {
                $outDate = "";
            }

            if (!empty($intime)) {
                $intime = date('H:i', strtotime($intime));
            } else {
                $intime = "";
            }

            if (!empty($outtime)) {
                $outtime = date('H:i', strtotime($outtime));
            } else {
                $outtime = "";
            }

            error_log("date time " . $inDate . "  " . $outDate . "   " . $intime . "    " . $outtime);


            $attendance_id = "";
            if (!empty($staff_name) && !empty($attendance_date)) {


                // first check if that date already exists in db or not 
                $check = "select * from attendance_master_temp where ohc_type_id ='" . $_SESSION['current_ohcttype'] . "' and attendance_date='" . $attendance_date . "'";

                error_log("check data present or not " . $check);
                $result = mysqli_query($conn, $check);
                $row = mysqli_fetch_assoc($result);

                if (mysqli_num_rows($result) > 0) {
                    $attendance_id = $row['attendance_id'];
                    error_log("data present " . $attendance_id);
                } else {
                    $query1 = "insert into attendance_master_temp set attendance_date ='" . $attendance_date . "',ohc_type_id='" . $_SESSION['current_ohcttype'] . "',modified_by='" . $_SESSION['user_id'] . "'";

                    error_log("insert into master " . $query1);

                    if (!$result1 = mysqli_query($conn, $query1)) {
                        rollback();
                        error_log("master query went wrong " . mysqli_error($conn));
                    } else {
                        $attendance_id = mysqli_insert_id($conn);
                    }
                }

                $staff_ohc = getFieldFromTable('ohc_type_id', 'ohc_type', 'ohc_type_name', $ohc_location);

                $Shiftid = getFieldFromTable('shift_status_id', 'shift_status', 'status_name', $shift);

                error_log("ohc " . $staff_ohc);

                $staff_id = getFieldFromTable('staff_id', 'staff_master', 'staff_name', $staff_name);

                $combinedInDT="";
                if ($inDate != "" && $intime != "") {
                    $combinedInDT = date('Y-m-d H:i', strtotime("$inDate $intime"));
                }

                $combinedOutDT ="";
                if ($outDate != "" && $outDate != "") {
                    $combinedOutDT = date('Y-m-d H:i', strtotime("$outDate $outtime"));
                }

                $check_child = "select * from attendance_detail_temp where staff_deploy_ohc='" . $staff_ohc . "', staff_id = '" . $staff_id . "', attendance_id='" . $attendance_id . "' ";

                error_log("check child  data present or not " . $check_child);

                $result_child = mysqli_query($conn, $check_child);

                if (mysqli_num_rows($result_child) > 0) {
                    $update_data = "UPDATE attendance_detail_temp set remark = '" . $remarks . "', ot='" . $ot . "',in_time='" . $combinedInDT . "' , out_time='" . $combinedOutDT . "' , modified_by='" . $_SESSION['user_id'] . "',wo='" . $wo . "' where   attendance_id='" . $attendance_id . "' and staff_id='" . $staff_id . "' and staff_deploy_ohc='" . $staff_ohc . "' and shift = '" . $Shiftid . "'";

                    error_log("update child data " . $update_data);

                    if (!$result_data = mysqli_query($conn, $update_data)) {
                        error_log("child data updating " . $update_data);
                        rollback();
                    }
                    $update_counter++;
                } else {

                    $insert_data = "INSERT INTO attendance_detail_temp set attendance_id='" . $attendance_id . "', staff_id='" . $staff_id . "', remark = '" . $remarks . "', ot='" . $ot . "', in_time='" . $combinedInDT . "' , out_time='" . $combinedOutDT . "' , modified_by='" . $_SESSION['user_id'] . "',staff_deploy_ohc='" . $staff_ohc . "',wo='" . $wo . "' , shift = '" . $Shiftid . "'";


                    error_log("insert child data " . $insert_data);

                    if (!$result_data = mysqli_query($conn, $insert_data)) {
                        error_log("child data insert " . $insert_data);
                        rollback();
                    }
                    $insert_counter++;
                }
            }
        }
    }
}
commit();
$response_mssages1 = $insert_counter . " " . "records inserted<br> ";
$response_mssages1 .= $update_counter . "  " . "records updated<br>";
$response_mssages1 .= $fail_counter . " " . "records skipped<br> ";
$response_array['responseText'] = "<br>" . $response_mssages1 . $response_mssages;
echo json_encode($response_array);