// Admin Login Component
function adminLogin() {
    return {
        credentials: {
            username: '',
            password: ''
        },
        loading: false,
        error: null,
        success: null,
        errors: {},

        init() {
            // Check if already logged in
            this.checkExistingAuth();
        },

        checkExistingAuth() {
            if (Auth.isAuthenticated() && Auth.isAdmin()) {
                window.location.href = '/static/admin/dashboard.html';
            }
        },

        clearErrors() {
            this.error = null;
            this.errors = {};
        },

        validateForm() {
            this.clearErrors();
            let isValid = true;

            if (!this.credentials.username.trim()) {
                this.errors.username = 'Username is required';
                isValid = false;
            }

            if (!this.credentials.password) {
                this.errors.password = 'Password is required';
                isValid = false;
            }

            return isValid;
        },

        async handleLogin() {
            if (!this.validateForm()) {
                return;
            }

            this.loading = true;
            this.clearErrors();

            try {
                const response = await apiClient.post('/admin/auth/login', {
                    username: this.credentials.username.trim(),
                    password: this.credentials.password
                });

                // Check if user is admin
                if (response.user.role !== 'admin') {
                    throw new Error('Access denied. Admin privileges required.');
                }

                // Store authentication data
                localStorage.setItem('admin_token', response.access_token);
                localStorage.setItem('admin_user', JSON.stringify(response.user));

                // Show success message
                this.success = 'Login successful! Redirecting...';
                Utils.showToast('Login successful!', 'success', 2000);

                // Redirect after short delay
                setTimeout(() => {
                    window.location.href = '/static/admin/dashboard.html';
                }, 1000);

            } catch (error) {
                console.error('Login error:', error);
                this.error = error.message || 'Login failed. Please check your credentials.';
                Utils.showToast(this.error, 'error');
            } finally {
                this.loading = false;
            }
        }
    }
}