// static/js/admin/users.js
const { createApp } = Vue;

import { authData, authMethods, authMounted } from '../auth.js';
import { appData, appMethods, appMounted } from '../store.js';
import AdminNavbar from '../components/AdminNavbar.js'; // Import the new component

const UserManagementApp = {
    components: {
        AdminNavbar // Register the component
    },
    // template: document.querySelector('#app template').innerHTML, // Removed template option
    data() {
        return {
            ...authData(),
            ...appData(),
            currentPath: window.location.pathname, // Add currentPath to data
            
            // 用户管理相关数据
            users: [],
            userSearchQuery: '',
            currentPage: 1,
            pageSize: 10,
            totalUsers: 0,
            totalPages: 0,
            userMessage: '',
            editingUser: {
                id: null,
                email: '',
                password: '',
                email_verified: false,
                is_admin: false,
                disabled: false
            },
            isSavingUser: false,
            editUserModal: null // Bootstrap Modal instance
        };
    },
    methods: {
        ...authMethods(this),
        ...appMethods(this),
        async fetchUsers() {
            this.userMessage = '加载用户中...';
            try {
                const token = localStorage.getItem('access_token');
                let url = `/api/admin/users?page=${this.currentPage}&page_size=${this.pageSize}`;
                if (this.userSearchQuery) {
                    url += `&search=${encodeURIComponent(this.userSearchQuery)}`;
                }
                const response = await fetch(url, {
                    headers: {
                        'Authorization': `Bearer ${token}`
                    }
                });
                const responseData = await response.json();

                if (response.ok) {
                    this.users = responseData.users;
                    this.totalUsers = responseData.total_count;
                    this.totalPages = Math.ceil(this.totalUsers / this.pageSize);
                    this.userMessage = '';
                    console.log('Fetched users successfully. totalUsers:', this.totalUsers, 'totalPages:', this.totalPages);
                } else {
                    this.userMessage = responseData.detail || '获取用户失败。';
                }
            } catch (error) {
                this.userMessage = '网络错误或服务器无响应。';
                console.error('获取用户错误:', error);
            }
        },
        changePage(pageNumber) {
            if (pageNumber > 0 && pageNumber <= this.totalPages) {
                this.currentPage = pageNumber;
                this.fetchUsers();
            }
        },
        editUser(user) {
            this.editingUser = { ...user, password: '' }; // Clear password field for security
            this.editUserModal.show();
        },
        async saveUserChanges() {
            this.isSavingUser = true;
            this.userMessage = '';
            try {
                const token = localStorage.getItem('access_token');
                const updatePayload = {
                    email: this.editingUser.email,
                    email_verified: this.editingUser.email_verified,
                    is_admin: this.editingUser.is_admin,
                    disabled: this.editingUser.disabled
                };
                if (this.editingUser.password) {
                    updatePayload.password = this.editingUser.password;
                }

                const response = await fetch(`/api/admin/users/${this.editingUser.id}`, {
                    method: 'PUT',
                    headers: {
                        'Content-Type': 'application/json',
                        'Authorization': `Bearer ${token}`
                    },
                    body: JSON.stringify(updatePayload)
                });
                const data = await response.json();

                if (response.ok) {
                    this.userMessage = '用户更新成功！';
                    this.fetchUsers(); // Refresh user list
                    this.editUserModal.hide();
                } else {
                    this.userMessage = data.detail || '用户更新失败。';
                }
            } catch (error) {
                this.userMessage = '网络错误或服务器无响应。';
                console.error('更新用户错误:', error);
            } finally {
                this.isSavingUser = false;
            }
        },
        async deleteUser(userId) {
            if (!confirm('确定要删除此用户吗？此操作不可逆！')) {
                return;
            }
            this.userMessage = '删除用户中...';
            try {
                const token = localStorage.getItem('access_token');
                const response = await fetch(`/api/admin/users/${userId}`, {
                    method: 'DELETE',
                    headers: {
                        'Authorization': `Bearer ${token}`
                    }
                });

                if (response.ok) {
                    this.userMessage = '用户删除成功！';
                    this.fetchUsers(); // Refresh user list
                } else {
                    const data = await response.json();
                    this.userMessage = data.detail || '用户删除失败。';
                }
            } catch (error) {
                this.userMessage = '网络错误或服务器无响应。';
                console.error('删除用户错误:', error);
            }
        },
        handleShowChangePasswordModal() {
            this.showChangePasswordModal = true;
        }
    },
    mounted() {
        authMounted(this);
        appMounted(this);
        console.log('User management app mounted!');

        this.editUserModal = new bootstrap.Modal(document.getElementById('editUserModal'));
        this.fetchUsers(); // Fetch users on page load

    },
    watch: {
        // No specific watchers needed for this standalone page yet
    }
};

createApp(UserManagementApp).mount('#app');
console.log('User management Vue app successfully mounted to #app element.');