// SPRINT0-001: TDD Tests for Professional Notebook UI
// Target: Jupyter/Colab-style interface with production quality

#[cfg(test)]
mod notebook_ui_tests {
    
    /// Test that notebook has proper Jupyter-style structure
    #[test]
    fn test_notebook_has_jupyter_structure() {
        let html = include_str!("../static/notebook.html");
        
        // Must have proper sections
        assert!(html.contains("notebook-toolbar"));
        assert!(html.contains("notebook-container"));
        assert!(html.contains("cell-list"));
        
        // Must have Monaco or CodeMirror for syntax highlighting
        assert!(html.contains("monaco-editor") || html.contains("codemirror"));
        
        // Must have execution status indicators
        assert!(html.contains("execution-count"));
        assert!(html.contains("cell-status"));
    }
    
    /// Test keyboard shortcuts implementation
    #[test]
    fn test_keyboard_shortcuts() {
        let html = include_str!("../static/notebook.html");
        
        // Shift+Enter: Run cell and select below
        assert!(html.contains("Shift+Enter"));
        assert!(html.contains("runCellAndSelectBelow"));
        
        // Ctrl+Enter: Run cell
        assert!(html.contains("Ctrl+Enter") || html.contains("Cmd+Enter"));
        assert!(html.contains("runCell"));
        
        // Alt+Enter: Run cell and insert below
        assert!(html.contains("Alt+Enter"));
        assert!(html.contains("runCellAndInsertBelow"));
        
        // Esc: Command mode
        assert!(html.contains("commandMode"));
        
        // Enter: Edit mode
        assert!(html.contains("editMode"));
    }
    
    /// Test cell types and rendering
    #[test]
    fn test_cell_types() {
        let html = include_str!("../static/notebook.html");
        
        // Code cells with syntax highlighting
        assert!(html.contains("cell-type-code"));
        assert!(html.contains("syntax-highlight"));
        
        // Markdown cells with preview
        assert!(html.contains("cell-type-markdown"));
        assert!(html.contains("markdown-preview"));
        assert!(html.contains("markdown-edit"));
        
        // Raw cells
        assert!(html.contains("cell-type-raw"));
    }
    
    /// Test output display capabilities
    #[test]
    fn test_output_display() {
        let html = include_str!("../static/notebook.html");
        
        // MIME type support
        assert!(html.contains("text/plain"));
        assert!(html.contains("text/html"));
        assert!(html.contains("image/png"));
        assert!(html.contains("application/json"));
        
        // DataFrame display
        assert!(html.contains("dataframe-output"));
        assert!(html.contains("table-wrapper"));
        
        // Error display
        assert!(html.contains("error-output"));
        assert!(html.contains("traceback"));
    }
    
    /// Test theme support
    #[test]
    fn test_theme_support() {
        let html = include_str!("../static/notebook.html");
        
        // Theme toggle
        assert!(html.contains("theme-toggle"));
        assert!(html.contains("dark-theme"));
        assert!(html.contains("light-theme"));
        
        // Proper CSS variables for theming
        assert!(html.contains("--background-color"));
        assert!(html.contains("--text-color"));
        assert!(html.contains("--border-color"));
    }
    
    /// Test cell execution indicators
    #[test]
    fn test_execution_indicators() {
        let html = include_str!("../static/notebook.html");
        
        // Execution count
        assert!(html.contains("[*]") || html.contains("In [*]"));
        assert!(html.contains("execution-number"));
        
        // Status indicators
        assert!(html.contains("cell-running"));
        assert!(html.contains("cell-queued"));
        assert!(html.contains("cell-completed"));
        
        // Progress indicator
        assert!(html.contains("execution-progress"));
    }
    
    /// Test toolbar functionality
    #[test]
    fn test_toolbar() {
        let html = include_str!("../static/notebook.html");
        
        // Essential buttons
        assert!(html.contains("btn-run-all"));
        assert!(html.contains("btn-restart-kernel"));
        assert!(html.contains("btn-interrupt"));
        assert!(html.contains("btn-save"));
        
        // Cell manipulation
        assert!(html.contains("btn-add-cell"));
        assert!(html.contains("btn-delete-cell"));
        assert!(html.contains("btn-move-up"));
        assert!(html.contains("btn-move-down"));
        
        // Cell type selector
        assert!(html.contains("cell-type-selector"));
    }
}

#[cfg(test)]
mod notebook_api_tests {
    
    /// Test WebSocket connection for real-time updates
    #[tokio::test]
    async fn test_websocket_connection() {
        // WebSocket for kernel communication
        let ws_url = "ws://localhost:8888/api/kernel";
        // Test connection establishment
        // Test message protocol
        // Test heartbeat
    }
    
    /// Test cell execution API
    #[tokio::test]
    async fn test_cell_execution_api() {
        let response = reqwest::Client::new()
            .post("http://localhost:8888/api/execute")
            .json(&serde_json::json!({
                "cell_id": "test-1",
                "code": "print('Hello')",
                "execution_count": 1
            }))
            .send()
            .await
            .unwrap();
        
        assert_eq!(response.status(), 200);
        
        let body: serde_json::Value = response.json().await.unwrap();
        assert_eq!(body["status"], "ok");
        assert!(body.get("execution_count").is_some());
        assert!(body.get("outputs").is_some());
    }
    
    /// Test kernel management
    #[tokio::test]
    async fn test_kernel_management() {
        // Start kernel
        let start_response = reqwest::Client::new()
            .post("http://localhost:8888/api/kernel/start")
            .send()
            .await
            .unwrap();
        
        assert_eq!(start_response.status(), 200);
        
        // Restart kernel
        let restart_response = reqwest::Client::new()
            .post("http://localhost:8888/api/kernel/restart")
            .send()
            .await
            .unwrap();
        
        assert_eq!(restart_response.status(), 200);
        
        // Interrupt kernel
        let interrupt_response = reqwest::Client::new()
            .post("http://localhost:8888/api/kernel/interrupt")
            .send()
            .await
            .unwrap();
        
        assert_eq!(interrupt_response.status(), 200);
    }
}

#[cfg(test)]
mod notebook_styling_tests {
    
    /// Test that styling matches professional notebooks
    #[test]
    fn test_professional_styling() {
        let html = include_str!("../static/notebook.html");
        
        // Font stack similar to Jupyter
        assert!(html.contains("font-family:") && 
                (html.contains("'SF Mono'") || 
                 html.contains("Monaco") || 
                 html.contains("Consolas")));
        
        // Proper spacing
        assert!(html.contains("line-height: 1.4") || html.contains("line-height: 1.5"));
        
        // Cell styling
        assert!(html.contains("border-radius"));
        assert!(html.contains("box-shadow"));
        assert!(html.contains("padding"));
        
        // Responsive design
        assert!(html.contains("@media"));
        assert!(html.contains("max-width"));
    }
    
    /// Test accessibility features
    #[test]
    fn test_accessibility() {
        let html = include_str!("../static/notebook.html");
        
        // ARIA labels
        assert!(html.contains("aria-label"));
        assert!(html.contains("role="));
        
        // Keyboard navigation
        assert!(html.contains("tabindex"));
        
        // Screen reader support
        assert!(html.contains("sr-only") || html.contains("visually-hidden"));
    }
}