function openTransferList() {
    if (auth_user == 1) {
        document.getElementById("transfer_list").style.display = 'block';
        document.getElementById("open_transfer_list").click();
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function () {
            if (this.readyState == 4 && this.status == 200) {
                document.querySelector("#transfer_list_content").innerHTML = this.responseText;

                $(document).ready( function () {
                    new DataTable('#transfer_list_table', {
                        paging: false,
                        scrollCollapse: true,
                        scrollY: '70vh',
                        order: [[0, 'desc']],
                        dom: 'Bftip',
                        buttons: [
                            'print', 'excel', 'pdf'
                        ]
                    });
                } );
            }
        };
        xmlhttp.open("GET", "php/transfer/transfer_list_content.php");
        xmlhttp.send();
    } else {
        openLoginSection();
    }
}

function openNewTransfer() {
    if (auth_user == 1) {
        document.getElementById("new_transfer").style.display = 'block';
        document.getElementById("open_new_transfer").click();
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function () {
            if (this.readyState == 4 && this.status == 200) {
                document.querySelector("#new_transfer_content").innerHTML = this.responseText;
            }
        };
        xmlhttp.open("GET", "php/transfer/new_transfer.php");
        xmlhttp.send();
    } else {
        openLoginSection();
    }
}

function sendTransfer() {
    var transfer_start_date = document.querySelector('#transfer_start_date').value;
    var transfer_end_date = document.querySelector('#transfer_end_date').value;
    var transfer_destination = document.querySelector('#transfer_destination').value;

    var error = false;

    if(transfer_start_date == "") {
        Swal.fire({
            type: 'error',
            text: 'La richiesta deve avere una data di inizio'
        });
        error = true;
    }

    if(transfer_end_date == "") {
        Swal.fire({
            type: 'error',
            text: 'La richiesta deve avere una data di fine'
        });
        error = true;
    }

    if(error == false) {
        $.ajax({
            type: "POST",
            url: "php/transfer/send_new_transfer.php",
            data: { transfer_start_date: transfer_start_date, transfer_end_date: transfer_end_date, transfer_destination: transfer_destination },
            success: function (res) {
                if (res === 'error') {
                    Swal.fire({
                        type: 'error',
                        text: 'Errore: ' + res
                    });
                } else {
                    Swal.fire({
                        type: 'success',
                        title: 'Trasferta richiesta con successo!',
                        showConfirmButton: false,
                        timer: 2000
                    });

                    document.querySelector('#close_new_transfer').click();
                    openTransferList();
                }
            }
        });
    }
}

function transferDetailUser(id) {
    if (auth_user == 1) {
        document.getElementById("transfer_detail_user").style.display = 'block';
        document.getElementById("open_transfer_detail_user").click();
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function () {
            if (this.readyState == 4 && this.status == 200) {
                document.querySelector("#transfer_detail_content_user").innerHTML = this.responseText;
            }
        };
        xmlhttp.open("GET", "php/admin/transfer_detail_content.php?id="+id);
        xmlhttp.send();
    } else {
        openLoginSection();
    }
}

function deleteTransfer(id) {
    Swal.fire({
        title: "Eliminare la trasferta?",
        showDenyButton: false,
        showCancelButton: true,
        confirmButtonText: "Elimina",
        denyButtonText: `No`
      }).then((result) => {
        if (result.value == true) {
            $.ajax({
                type: "POST",
                url: "php/transfer/delete_transfer.php",
                data: { id : id },
                success: function (res) {
                    if (res === 'error') {
                        Swal.fire({
                            type: 'error',
                            text: 'Errore: ' + res
                        });
                    } else {
                        Swal.fire({
                            type: 'success',
                            title: 'Trasferta eliminata con successo!',
                            showConfirmButton: false,
                            timer: 2000
                        });
        
                        openTransferList();
                    }
                }
            });
        }
      });
}