<?php
/* Database connection start */
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "nmdragasur";
$dbname2 = "nmdragaconf";

$conn = mysqli_connect($servername, $username, $password, $dbname) or die("Connection failed: " . mysqli_connect_error());

$conn3 = mysqli_connect($servername, $username, $password, $dbname2) or die("Connection failed:" . mysqli_connect_error());

// storing  request (ie, get/post) global array to a variable
$requestData= $_REQUEST;

$columns = array(
// datatable column index  => database column name
    0 => $CEDULA1='CEDULA',
    1 => $N='NOMBRE',
    2 => $P='APELLIDO',
    3 => 'BAS_DESCRI',
    4 => 'DEP_DESCRI',
    5 => 'CAR_DESCRI',
    6 => 'CEN_DESCRI',

);



// getting total number records without any search
$sql2 = "SELECT

    CAR_DESCRI AS CARGO,
    BAS_DESCRI AS BASE,
    DEP_DESCRI AS DEPARTAMENTO,
    CEN_DESCRI AS EMPRESA,
    CONDICION
     FROM
    nmtrabajador
INNER JOIN nmcargos ON CAR_CODIGO = COD_CARGO
INNER JOIN nmbases  ON BAS_CODIGO = COD_BASE
INNER JOIN nmdpto ON DEP_CODIGO = COD_DPTO
INNER JOIN nmundfunc ON CEN_CODIGO = COD_UND";

$query=mysqli_query($conn, $sql2) or die("employee-grid-data.php: get employees");
$totalData = mysqli_num_rows($query);
$totalFiltered = $totalData;  // when there is no search parameter then total number rows = total number filtered rows.
//consulta activa para poder filtrar
//$sql2 = "SELECT * FROM employeeta";

$sql2 = "SELECT * ";

//aqui va la tabla
//$sql2 = "SELECT employee_id, from employeeta";

//para mostrar los datos de otras tablas

$sql2.=" FROM nmtrabajador
inner join nmcargos ON CAR_CODIGO = COD_CARGO
inner join nmbases ON BAS_CODIGO = COD_BASE
inner join nmdpto ON DEP_CODIGO = COD_DPTO
inner join nmundfunc ON CEN_CODIGO = COD_UND";



if( !empty($requestData['columns'][0]['search']['value']) ){
    $sql2.=" AND  CEDULA LIKE '".$requestData['columns'][0]['search']['value']."%' ";
}
if( !empty($requestData['columns'][1]['search']['value']) ){
    $sql2.=" AND  $N LIKE '".$requestData['columns'][1]['search']['value']."%' ";
}

if( !empty($requestData['columns'][2]['search']['value']) ){
    $sql2.=" AND  $P LIKE '".$requestData['columns'][2]['search']['value']."%' ";
}


if( !empty($requestData['columns'][3]['search']['value']) ){
    $sql2.=" AND  BAS_DESCRI LIKE '".$requestData['columns'][3]['search']['value']."%' ";
}
if( !empty($requestData['columns'][4]['search']['value']) ){
    $sql2.=" AND  DEP_DESCRI LIKE '".$requestData['columns'][4]['search']['value']."%' ";
}
if( !empty($requestData['columns'][5]['search']['value']) ){
    $sql2.=" AND  CAR_DESCRI LIKE '".$requestData['columns'][5]['search']['value']."%' ";
}
if( !empty($requestData['columns'][6]['search']['value']) ){
    $sql2.=" AND  CEN_DESCRI LIKE '".$requestData['columns'][6]['search']['value']."%' ";
}

$query=mysqli_query($conn, $sql2) or die("employee-grid-data.php: get employees");
$totalFiltered = mysqli_num_rows($query); // when there is a search parameter then we have to modify total number filtered rows as per search result.
$sql2.=" ORDER BY ". $columns[$requestData['order'][0]['column']]."   ".$requestData['order'][0]['dir']."  LIMIT ".$requestData['start']." ,".$requestData['length']."   ";
/* $requestData['order'][0]['column'] contains column index, $requestData['order'][0]['dir'] contains order such as asc/desc  */
$query=mysqli_query($conn, $sql2) or die("employee-grid-data.php: get employees1");
$data = array();
while( $row=mysqli_fetch_array($query) ) {  // preparing an array
    $nestedData=array();

    $nestedData[] = $row["CEDULA"];
    $nestedData[] = $row["NOMBRE"];
//$nestedData[] = $row["APELLIDO"];
    //PARA PODER MOSTRAR LOS ACENTOS
$nestedData[] =utf8_encode($row['APELLIDO']);

    $nestedData[] = $row["BAS_DESCRI"];
    $nestedData[] = $row["DEP_DESCRI"];
    $nestedData[] = $row["CAR_DESCRI"];
    $nestedData[] = $row["CEN_DESCRI"];
    $nestedData[] = $row["CONDICION"];

    //$nestedData[] = $row["BAS_CODIGO"];
$data[] = $nestedData;
}


$json_data = array(
            "draw" => intval( $requestData['draw'] ),   // for every request/draw by clientside , they send a number as a parameter, when they recieve a response/data they first check the draw number, so we are sending same number in draw.
            "recordsTotal"    => intval( $totalData ),  // total number of records
            "recordsFiltered" => intval( $totalFiltered ), // total number of records after searching, if there is no searching then totalFiltered = totalData
            "data"            => $data   // total data array
            );

echo json_encode($json_data);  // send data as json format



?>