document.addEventListener('DOMContentLoaded', function () {
    const addMemberModal = new bootstrap.Modal(document.getElementById('addMemberModal'));
    const editMemberModal = new bootstrap.Modal(document.getElementById('editMemberModal'));
    const addMemberForm = document.getElementById('addMemberForm');
    const editMemberForm = document.getElementById('editMemberForm');
    const memberTableBody = document.getElementById('memberTableBody');

    // Function to show a toast notification
    function showToast(message, success = true) {
        const toastContainer = document.getElementById('toastContainer');
        const toast = document.createElement('div');
        toast.className = `toast align-items-center text-white ${success ? 'bg-success' : 'bg-danger'} border-0 show`;
        toast.role = 'alert';
        toast.ariaLive = 'assertive';
        toast.ariaAtomic = 'true';

        toast.innerHTML = `
            <div class="d-flex">
                <div class="toast-body">${message}</div>
                <button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
            </div>
        `;
        toastContainer.appendChild(toast);

        const bsToast = new bootstrap.Toast(toast);
        bsToast.show();

        setTimeout(() => {
            bsToast.hide();
            setTimeout(() => {
                toast.remove();
            }, 500);
        }, 3000);
    }

    function loadMembers() {
        fetch('api_members.php?action=list')
            .then(response => response.json())
            .then(data => {
                memberTableBody.innerHTML = '';
                if (data.success) {
                    if (data.members.length === 0) {
                        memberTableBody.innerHTML = '<tr><td colspan="6" class="text-center">Belum ada anggota.</td></tr>';
                    } else {
                        data.members.forEach(member => {
                            const row = `<tr>
                                <td>${member.id}</td>
                                <td>${escapeHTML(member.name)}</td>
                                <td>${escapeHTML(member.nik)}</td>
                                <td>${escapeHTML(member.address)}</td>
                                <td>${escapeHTML(member.phone)}</td>
                                <td>
                                    <button class="btn btn-sm btn-warning btn-edit" data-id="${member.id}" title="Edit"><i class="bi bi-pencil-square"></i></button>
                                    <button class="btn btn-sm btn-danger btn-delete" data-id="${member.id}" title="Hapus"><i class="bi bi-trash-fill"></i></button>
                                </td>
                            </tr>`;
                            memberTableBody.innerHTML += row;
                        });
                    }
                    // Update total members card
                    document.getElementById('totalMembers').innerText = data.members.length;
                } else {
                     memberTableBody.innerHTML = `<tr><td colspan="6" class="text-center text-danger">Gagal memuat data: ${data.error}</td></tr>`;
                }
            })
            .catch(error => {
                memberTableBody.innerHTML = `<tr><td colspan="6" class="text-center text-danger">Error: ${error}</td></tr>`;
            });
    }

    // Helper to prevent XSS
    function escapeHTML(str) {
        return str.toString().replace(/[&<>"']/g, function (tag) {
            var chars = {
                '&': '&amp;',
                '<': '&lt;',
                '>': '&gt;',
                '"': '&quot;',
                "'": '&#39;'
            };
            return chars[tag] || tag;
        });
    }

    // Handle Add Member form submission
    addMemberForm.addEventListener('submit', function (event) {
        event.preventDefault();

        const formData = new FormData(addMemberForm);
        formData.append('action', 'add');

        fetch('api_members.php', {
            method: 'POST',
            body: formData
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                showToast('Anggota berhasil ditambahkan!');
                addMemberModal.hide();
                addMemberForm.reset();
                loadMembers();
            } else {
                showToast('Gagal menambahkan anggota: ' + data.error, false);
            }
        })
        .catch(error => {
            showToast('Terjadi kesalahan. Silakan coba lagi.', false);
        });
    });

'''    // Delegated event listener for edit and delete buttons
    memberTableBody.addEventListener('click', function (event) {
        const editButton = event.target.closest('.btn-edit');
        const deleteButton = event.target.closest('.btn-delete');

        if (editButton) {
            const memberId = editButton.dataset.id;
            openEditModal(memberId);
        } else if (deleteButton) {
            const memberId = deleteButton.dataset.id;
            deleteMember(memberId);
        }
    });

    // Function to open and populate the edit modal
    function openEditModal(memberId) {
        fetch(`api_members.php?action=get&id=${memberId}`)
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    const member = data.member;
                    document.getElementById('editMemberId').value = member.id;
                    document.getElementById('editName').value = member.name;
                    document.getElementById('editNik').value = member.nik;
                    document.getElementById('editAddress').value = member.address;
                    document.getElementById('editPhone').value = member.phone;
                    editMemberModal.show();
                } else {
                    showToast('Gagal mengambil data anggota: ' + data.error, false);
                }
            })
            .catch(() => showToast('Terjadi kesalahan jaringan.', false));
    }

    // Handle Edit Member form submission
    editMemberForm.addEventListener('submit', function (event) {
        event.preventDefault();
        
        const formData = new FormData(editMemberForm);
        formData.append('action', 'update');

        fetch('api_members.php', {
            method: 'POST',
            body: new URLSearchParams(formData)
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                showToast('Data anggota berhasil diperbarui!');
                editMemberModal.hide();
                loadMembers();
            } else {
                showToast('Gagal memperbarui data: ' + data.error, false);
            }
        })
        .catch(() => {
            showToast('Terjadi kesalahan. Silakan coba lagi.', false);
        });
    });
    
    // Function to delete a member
    function deleteMember(memberId) {
        if (confirm('Apakah Anda yakin ingin menghapus anggota ini?')) {
            const formData = new FormData();
            formData.append('action', 'delete');
            formData.append('id', memberId);

            fetch('api_members.php', {
                method: 'POST',
                body: new URLSearchParams(formData)
            })
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    showToast('Anggota berhasil dihapus.');
                    loadMembers();
                } else {
                    showToast('Gagal menghapus anggota: ' + data.error, false);
                }
            })
            .catch(() => showToast('Terjadi kesalahan jaringan.', false));
        }
    }

    // Initial load
    loadMembers();
});''