function updateProfile() {
    var email = document.querySelector('#profile_email').value;

    var validRegex = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;

    if (!email.match(validRegex)) {
        const Toast = Swal.mixin({
            toast: true,
            position: "bottom",
            showConfirmButton: false,
            timer: 3000,
            timerProgressBar: true,
            didOpen: (toast) => {
              toast.onmouseenter = Swal.stopTimer;
              toast.onmouseleave = Swal.resumeTimer;
            }
        });
        Toast.fire({
            icon: "error",
            title: "Email non valida"
        });

        exit;
    }

    $.ajax({
        type: "POST",
        url: "php/profile/update_profile.php",
        data: { email: email },
        success: function (res) {
            if (res === 'error') {
                const Toast = Swal.mixin({
                    toast: true,
                    position: "bottom",
                    showConfirmButton: false,
                    timer: 3000,
                    timerProgressBar: true,
                    didOpen: (toast) => {
                    toast.onmouseenter = Swal.stopTimer;
                    toast.onmouseleave = Swal.resumeTimer;
                    }
                });
                Toast.fire({
                    icon: "error",
                    title: "Errore: " + res
                });
        
                exit;
            } else {
                const Toast = Swal.mixin({
                    toast: true,
                    position: "bottom",
                    showConfirmButton: false,
                    timer: 3000,
                    timerProgressBar: true,
                    didOpen: (toast) => {
                    toast.onmouseenter = Swal.stopTimer;
                    toast.onmouseleave = Swal.resumeTimer;
                    }
                });
                Toast.fire({
                    icon: "success",
                    title: "Profilo aggiornato"
                });

                location.reload();
            }
        }
    });
}


function sendVerificationCode() {
    $.ajax({
        type: "POST",
        url: "php/profile/send_verification_code.php",
        data: { },
        success: function (res) {
            if (res == "ok") {
                document.querySelector('#password_reset_content').style.display="none";
                document.querySelector('#otp_verification_content').style.display="block";
            } else {
                const Toast = Swal.mixin({
                    toast: true,
                    position: "bottom",
                    showConfirmButton: false,
                    timer: 3000,
                    timerProgressBar: true,
                    didOpen: (toast) => {
                    toast.onmouseenter = Swal.stopTimer;
                    toast.onmouseleave = Swal.resumeTimer;
                    }
                });
                Toast.fire({
                    icon: "error",
                    title: "Email non inviata"
                });
            }
        }
    });
}

function checkVerificationCode() {
    var otp_num_1 = document.querySelector('#otp_num_1').value;
    var otp_num_2 = document.querySelector('#otp_num_2').value;
    var otp_num_3 = document.querySelector('#otp_num_3').value;
    var otp_num_4 = document.querySelector('#otp_num_4').value;

    $.ajax({
        type: "POST",
        url: "php/profile/check_verification_code.php",
        data: { otp_num_1 : otp_num_1, otp_num_2 : otp_num_2, otp_num_3 : otp_num_3, otp_num_4 : otp_num_4},
        success: function (res) {
            if (res == "ok") {
                const Toast = Swal.mixin({
                    toast: true,
                    position: "bottom",
                    showConfirmButton: false,
                    timer: 3000,
                    timerProgressBar: true,
                    didOpen: (toast) => {
                    toast.onmouseenter = Swal.stopTimer;
                    toast.onmouseleave = Swal.resumeTimer;
                    }
                });
                Toast.fire({
                    icon: "success",
                    title: "Codice corretto"
                });

                document.querySelector('#otp_verification_content').style.display="none";
                openPasswordReset();
            } else {
                const Toast = Swal.mixin({
                    toast: true,
                    position: "bottom",
                    showConfirmButton: false,
                    timer: 3000,
                    timerProgressBar: true,
                    didOpen: (toast) => {
                    toast.onmouseenter = Swal.stopTimer;
                    toast.onmouseleave = Swal.resumeTimer;
                    }
                });
                Toast.fire({
                    icon: "error",
                    title: "Codice non valido"
                });
            }
        }
    });
}

function openPasswordReset() {
    var xmlhttp = new XMLHttpRequest();
    xmlhttp.onreadystatechange = function () {
        if (this.readyState == 4 && this.status == 200) {
            document.querySelector("#password_reset_content").innerHTML = this.responseText;
            document.querySelector("#password_reset_content").style.display="block";
        }
    };
    xmlhttp.open("GET", "php/profile/password_reset_content.php");
    xmlhttp.send();
}



function changePassword() {
    var new_password = document.querySelector("#new_pass").value;
    var repeat_new_password = document.querySelector("#repeat_new_pass").value;

    if(new_password != repeat_new_password) {
        const Toast = Swal.mixin({
            toast: true,
            position: "bottom",
            showConfirmButton: false,
            timer: 3000,
            timerProgressBar: true,
            didOpen: (toast) => {
            toast.onmouseenter = Swal.stopTimer;
            toast.onmouseleave = Swal.resumeTimer;
            }
        });
        Toast.fire({
            icon: "error",
            title: "Le password non sono uguali"
        });

        exit;
    }

    if(new_password.length < 8) {
        const Toast = Swal.mixin({
            toast: true,
            position: "bottom",
            showConfirmButton: false,
            timer: 3000,
            timerProgressBar: true,
            didOpen: (toast) => {
            toast.onmouseenter = Swal.stopTimer;
            toast.onmouseleave = Swal.resumeTimer;
            }
        });
        Toast.fire({
            icon: "error",
            title: "La password deve essere di almeno 8 caratteri"
        });

        exit;
    }

    if(/\d/.test(new_password) == false) {
        const Toast = Swal.mixin({
            toast: true,
            position: "bottom",
            showConfirmButton: false,
            timer: 3000,
            timerProgressBar: true,
            didOpen: (toast) => {
            toast.onmouseenter = Swal.stopTimer;
            toast.onmouseleave = Swal.resumeTimer;
            }
        });
        Toast.fire({
            icon: "error",
            title: "La password deve contenere almeno un numero"
        });

        exit;
    }

    var special_char = /[ `!@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?~]/;
    if(special_char.test(new_password) == false) {
        const Toast = Swal.mixin({
            toast: true,
            position: "bottom",
            showConfirmButton: false,
            timer: 3000,
            timerProgressBar: true,
            didOpen: (toast) => {
            toast.onmouseenter = Swal.stopTimer;
            toast.onmouseleave = Swal.resumeTimer;
            }
        });
        Toast.fire({
            icon: "error",
            title: "La password deve contenere almeno un carattere speciale"
        });

        exit;
    }

    $.ajax({
        type: "POST",
        url: "php/profile/change_password.php",
        data: { new_password : new_password},
        success: function (res) {
            if (res == "ok") {
                const Toast = Swal.mixin({
                    toast: true,
                    position: "bottom",
                    showConfirmButton: false,
                    timer: 3000,
                    timerProgressBar: true,
                    didOpen: (toast) => {
                    toast.onmouseenter = Swal.stopTimer;
                    toast.onmouseleave = Swal.resumeTimer;
                    }
                });
                Toast.fire({
                    icon: "success",
                    title: "Password modificata. Disconnessione..."
                });

                setTimeout(() => {
                    window.location.href = "php/logout.php";
                }, 2000);
            } else {
                const Toast = Swal.mixin({
                    toast: true,
                    position: "bottom",
                    showConfirmButton: false,
                    timer: 3000,
                    timerProgressBar: true,
                    didOpen: (toast) => {
                    toast.onmouseenter = Swal.stopTimer;
                    toast.onmouseleave = Swal.resumeTimer;
                    }
                });
                Toast.fire({
                    icon: "error",
                    title: "Password non cambiata"
                });
            }
        }
    });
}