{% extends 'layouts/main.html' %}

{% block content %}

<div class="container mt-5">
    <h1 class="mb-4">Account Einstellungen👤</h1>

    <!-- Account information fields -->
    <div class="card bg-light mb-4">
        <div class="card-body d-flex">
            <div>
                <h5 class="card-title">Profilbild</h5>
                <div class="mb-3 profile-image-container" id="profileImageContainer">
                    <img src="{{ profile_image_url }}" alt="Profile Image" class="profile-image" id="profileImage">
                    <div class="profile-image-overlay" id="profileImageOverlay">
                        <span>Profilbild aktualisieren</span>
                    </div>
                </div>
                <div class="mb-3">
                    <form id="uploadForm" action="/upload" method="POST" enctype="multipart/form-data">
                        <input type="file" class="form-control-file" id="profileImageInput" name="file" style="display: none;">
                    </form>
                </div>
            </div>
            <div class="ml-5" style="margin-left: 50px;">
                <h5 class="card-title">Name</h5>
                <p>{{ name }}</p>
                <h5 class="card-title">Email</h5>
                <p>{{ email }}</p>
                <button type="button" class="btn btn-primary" id="editButton" data-toggle="modal" data-target="#editModal">
                    Bearbeiten
                </button>
            </div>
        </div>
    </div>

  <!-- Password change fields -->
    <div class="card bg-light mb-4">
        <div class="card-body">
            <h5 class="card-title">Passwort ändern</h5>
            <form id="editPasswordForm" action="/password" method="POST">
                <div class="form-group mb-3">
                    <label for="oldPassword">Altes Passwort:</label>
                    <input type="password" class="form-control" id="oldPassword" name="oldPassword" autocomplete="current-password">
                    <div class="invalid-feedback" id="oldPasswordFeedback"></div>
                </div>
                <div class="form-group mb-3">
                    <label for="newPassword">Neues Passwort:</label>
                    <input type="password" class="form-control" id="newPassword" name="newPassword" autocomplete="new-password">
                    <div class="invalid-feedback" id="newPasswordFeedback"></div>
                </div>
                <div class="form-group mb-3">
                    <label for="confirmPassword">Neues Passwort bestätigen:</label>
                    <input type="password" class="form-control" id="confirmPassword" name="confirmPassword" autocomplete="new-password">
                    <div class="invalid-feedback" id="confirmPasswordFeedback"></div>
                </div>
            </form>
            <button type="button" class="btn btn-primary" id="submitPasswordChange">Änderungen speichern</button>
        </div>
    </div>
</div>


<!-- Edit Modal -->
<div class="modal fade" id="editModal" tabindex="-1" role="dialog" aria-labelledby="editModalLabel" aria-hidden="true">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="editModalLabel">Bearbeiten</h5>
                <span class="close-icon" data-bs-dismiss="modal" aria-label="Close">
                    <svg xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" width="24" height="24" viewBox="0 0 72 72" class="close-icon">
                        <path d="M 19 15 C 17.977 15 16.951875 15.390875 16.171875 16.171875 C 14.609875 17.733875 14.609875 20.266125 16.171875 21.828125 L 30.34375 36 L 16.171875 50.171875 C 14.609875 51.733875 14.609875 54.266125 16.171875 55.828125 C 16.951875 56.608125 17.977 57 19 57 C 20.023 57 21.048125 56.609125 21.828125 55.828125 L 36 41.65625 L 50.171875 55.828125 C 51.731875 57.390125 54.267125 57.390125 55.828125 55.828125 C 57.391125 54.265125 57.391125 51.734875 55.828125 50.171875 L 41.65625 36 L 55.828125 21.828125 C 57.390125 20.266125 57.390125 17.733875 55.828125 16.171875 C 54.268125 14.610875 51.731875 14.609875 50.171875 16.171875 L 36 30.34375 L 21.828125 16.171875 C 21.048125 15.391875 20.023 15 19 15 z" stroke="none"></path>
                    </svg>
                </span>
            </div>
            <div class="modal-body">
                <form id="editForm" action="/profile" method="POST">
                    <div class="form-group">
                        <label for="newName">Neuer Name:</label>
                        <input type="text" class="form-control" id="newName" name="newName" value="{{name}}" autocomplete="username">
                        <div class="invalid-feedback" id="nameFeedback"></div>
                    </div>
                    <div class="form-group">
                        <label for="newEmail">Neue E-Mail:</label>
                        <input type="email" class="form-control" id="newEmail" name="newEmail" value="{{email}}" autocomplete="username">
                        <div class="invalid-feedback" id="emailFeedback"></div>
                    </div>
                    <div class="form-group">
                        <label for="password">Passwort:</label>
                        <input type="password" class="form-control" id="password" name="password" autocomplete="current-password">
                        <div class="invalid-feedback" id="passwordFeedback"></div>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Abbrechen</button>
                <button type="button" class="btn btn-primary" id="saveChangesButton">Änderungen speichern</button>
            </div>
        </div>
    </div>
</div>

<script>
    document.addEventListener("DOMContentLoaded", function() {
        // Get elements
        const profileImage = document.getElementById("profileImage");
        const profileImageOverlay = document.getElementById("profileImageOverlay");
        const profileImageInput = document.getElementById("profileImageInput");
        const uploadForm = document.getElementById("uploadForm");

        const editButton = document.getElementById("editButton");
        const saveChangesButton = document.getElementById("saveChangesButton");
        const editForm = document.getElementById("editForm");
        const editModal = new bootstrap.Modal(document.getElementById('editModal'));

        const submitPasswordChangeButton = document.getElementById("submitPasswordChange");

        // Open file input when profile image is clicked
        profileImageOverlay.addEventListener("click", function() {
            profileImageInput.click();
        });

        // Change profile image when a new file is selected
        profileImageInput.addEventListener("change", function() {
            const file = this.files[0];
            const reader = new FileReader();

            reader.onload = function(e) {
                profileImage.src = e.target.result;
            };

            reader.readAsDataURL(file);

            // Submit the form
            uploadForm.submit();
        });

        // Add event listener to edit button to open modal
        editButton.addEventListener("click", function() {
            editModal.show();
            document.getElementById("newName").value = "{{ name }}";
            document.getElementById("newEmail").value = "{{ email }}";
            document.getElementById("password").value = "";
        });

        // Add event listener to save changes button to submit form
        saveChangesButton.addEventListener("click", function() {
            // Perform client-side validation before submitting the form
            validateForm()
                .then(isValid => {
                    if (isValid) {
                        console.log("Validated 2");
                        editForm.submit();
                    }
                })
                .catch(error => {
                    // Handle validation error
                    console.log("Account Form validation failed", error);
                });
        });

        // Function to perform client-side validation
        async function validateForm() {
            let isValid = true;

            isValid = validateInput("newName", "nameFeedback", "Bitte geben Sie einen neuen Namen ein.") && isValid;
            isValid = validateEmail("newEmail", "emailFeedback", "Bitte geben Sie eine gültige E-Mail-Adresse ein.") && isValid;

            try {
                const passwordValid = await validatePassword("password", "passwordFeedback", "Bitte geben Sie Ihr Passwort ein.");
                isValid = passwordValid && isValid;
            } catch (error) {
                isValid = false;
            }

            return isValid;
        }

        // Function to validate input fields
        function validateInput(inputId, feedbackId, errorMessage) {
            const input = document.getElementById(inputId);
            const feedback = document.getElementById(feedbackId);
            if (!input.value.trim()) {
                feedback.textContent = errorMessage;
                input.classList.add("is-invalid");
                return false;
            } else {
                feedback.textContent = "";
                input.classList.remove("is-invalid");
                return true;
            }
        }

        // Function to validate email
        function validateEmail(emailId, feedbackId, errorMessage) {
            const input = document.getElementById(emailId);
            const feedback = document.getElementById(feedbackId);
            const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/; // Regular expression for email validation
            if (!input.value.trim()) {
                feedback.textContent = "Bitte geben Sie eine neue E-Mail-Adresse ein.";
                input.classList.add("is-invalid");
                return false;
            } else if (!emailRegex.test(input.value.trim())) {
                feedback.textContent = errorMessage;
                input.classList.add("is-invalid");
                return false;
            } else {
                feedback.textContent = "";
                input.classList.remove("is-invalid");
                return true;
            }
        }

        // Function to validate password
        function validatePassword(passwordId, passwordFeedbackId, errorMessage) {
            return new Promise((resolve, reject) => {
                const passwordInput = document.getElementById(passwordId);
                const passwordFeedback = document.getElementById(passwordFeedbackId);
                const password = passwordInput.value.trim(); // Get the password entered by the user
                if (!passwordInput.value.trim()) {
                    passwordFeedback.textContent = errorMessage;
                    passwordInput.classList.add("is-invalid");
                    reject(false);
                } else {
                    axios.post('/check_password', { password: password })
                        .then(response => {
                            if (!response.data.valid) {
                                passwordFeedback.textContent = "Falsches Passwort.";
                                passwordInput.classList.add("is-invalid");
                                passwordInput.value = "";
                                reject(false);
                            } else {
                                passwordInput.classList.remove("is-invalid");
                                resolve(true);
                            }
                        })
                        .catch(error => {
                            console.error('Error checking password:', error);
                            reject(false);
                        });
                }
            });
        }

        submitPasswordChangeButton.addEventListener("click", function() {
            // Perform client-side validation before submitting the form
            validatePasswordChangeForm()
                .then(isValid => {
                    if (isValid) {
                        document.getElementById("editPasswordForm").submit();
                    }
                })
                .catch(error => {
                    // Handle validation error
                    console.log("Password change form validation failed", error);
                });
        });

        async function validatePasswordChangeForm() {
            let isValid = true;

            try {
                const passwordValid = await validatePassword("oldPassword", "oldPasswordFeedback", "Bitte geben Sie Ihr altes Passwort ein.");
                isValid = passwordValid && isValid;
            } catch (error) {
                isValid = false;
            }
            isValid = validateInput("newPassword", "newPasswordFeedback", "Bitte geben Sie Ihr neues Passwort ein.") && isValid;
            isValid = validateInput("confirmPassword", "confirmPasswordFeedback", "Bitte bestätigen Sie Ihr neues Passwort.") && isValid;

            // Check if new password matches confirm password
            const newPassword = document.getElementById("newPassword").value.trim();
            const confirmPassword = document.getElementById("confirmPassword").value.trim();
            if (newPassword !== confirmPassword) {
                document.getElementById("confirmPasswordFeedback").textContent = "Die Passwörter stimmen nicht überein.";
                document.getElementById("confirmPassword").classList.add("is-invalid");
                isValid = false;
            } else {
                document.getElementById("confirmPasswordFeedback").textContent = "";
                document.getElementById("confirmPassword").classList.remove("is-invalid");
            }

            return isValid;
        }

    });
</script>


{% endblock %}