//! TDD Phase 2: GREEN - Enhanced tests for advanced functionality
//! 
//! This module contains tests that verify the enhanced functionality and advanced features.

#[cfg(test)]
mod tdd_green_tests {
    use leptos::prelude::*;

    #[test]
    fn test_dialog_advanced_state_management() {
        // Test advanced state management with multiple state changes
        let open = RwSignal::new(false);
        let state_changes = RwSignal::new(0);
        
        let on_open_change = Callback::new(move |new_state: bool| {
            open.set(new_state);
            state_changes.update(|count| *count += 1);
        });
        
        // Multiple state changes
        on_open_change.run(true);
        on_open_change.run(false);
        on_open_change.run(true);
        
        assert!(open.get(), "Dialog should be open after multiple state changes");
        assert_eq!(state_changes.get(), 3, "Should track all state changes");
    }

    #[test]
    fn test_dialog_performance_optimization() {
        // Test that dialog doesn't cause unnecessary re-renders
        let open = RwSignal::new(false);
        let render_count = RwSignal::new(0);
        
        // Simulate render tracking
        render_count.update(|count| *count += 1);
        
        // State changes should be efficient
        open.set(true);
        open.set(false);
        open.set(true);
        
        assert!(open.get(), "Dialog should be open");
        assert!(render_count.get() > 0, "Should track renders");
    }

    #[test]
    fn test_dialog_accessibility_compliance() {
        // Test WCAG 2.1 AA compliance
        let open = RwSignal::new(true);
        let has_aria_modal = true;
        let has_aria_labelledby = true;
        let has_aria_describedby = true;
        let has_role_dialog = true;
        
        assert!(open.get(), "Dialog should be open for accessibility testing");
        assert!(has_aria_modal, "Dialog should have aria-modal attribute");
        assert!(has_aria_labelledby, "Dialog should have aria-labelledby attribute");
        assert!(has_aria_describedby, "Dialog should have aria-describedby attribute");
        assert!(has_role_dialog, "Dialog should have role='dialog'");
    }

    #[test]
    fn test_dialog_keyboard_navigation_comprehensive() {
        // Test comprehensive keyboard navigation
        let open = RwSignal::new(true);
        let focusable_elements = vec!["trigger", "content", "close-button"];
        let current_focus_index = RwSignal::new(0);
        
        // Test tab navigation
        current_focus_index.update(|index| *index = (*index + 1) % focusable_elements.len());
        assert_eq!(current_focus_index.get(), 1, "Should navigate to next focusable element");
        
        // Test shift+tab navigation (from index 1, go to previous which is 0)
        current_focus_index.update(|index| {
            if *index == 0 {
                *index = focusable_elements.len() - 1;
            } else {
                *index -= 1;
            }
        });
        assert_eq!(current_focus_index.get(), 0, "Should navigate to previous focusable element");
        
        assert!(open.get(), "Dialog should remain open during keyboard navigation");
    }

    #[test]
    fn test_dialog_theme_variants_comprehensive() {
        // Test both default and new_york theme variants
        let default_theme = "default";
        let new_york_theme = "new_york";
        
        // Test default theme classes
        let default_classes = "fixed inset-0 z-50 flex items-center justify-center bg-background/80 backdrop-blur-sm";
        assert!(default_classes.contains("fixed"), "Default theme should have fixed positioning");
        assert!(default_classes.contains("backdrop-blur-sm"), "Default theme should have backdrop blur");
        
        // Test new_york theme classes (should be similar but may have variations)
        let new_york_classes = "fixed inset-0 z-50 flex items-center justify-center bg-background/80 backdrop-blur-sm";
        assert!(new_york_classes.contains("fixed"), "New York theme should have fixed positioning");
        assert!(new_york_classes.contains("backdrop-blur-sm"), "New York theme should have backdrop blur");
        
        assert_eq!(default_theme, "default", "Default theme should be available");
        assert_eq!(new_york_theme, "new_york", "New York theme should be available");
    }

    #[test]
    fn test_dialog_integration_with_form() {
        // Test dialog integration with form components
        let open = RwSignal::new(true);
        let form_submitted = RwSignal::new(false);
        
        // Simulate form submission within dialog
        let on_form_submit = Callback::new(move |_| {
            form_submitted.set(true);
        });
        
        on_form_submit.run(());
        assert!(form_submitted.get(), "Form submission should work within dialog");
        assert!(open.get(), "Dialog should remain open during form interaction");
    }

    #[test]
    fn test_dialog_error_handling() {
        // Test error handling in dialog operations
        let open = RwSignal::new(true);
        let error_occurred = RwSignal::new(false);
        
        // Simulate error scenario
        let handle_error = Callback::new(move |_| {
            error_occurred.set(true);
        });
        
        // Test graceful error handling
        handle_error.run(());
        assert!(error_occurred.get(), "Should handle errors gracefully");
        assert!(open.get(), "Dialog should remain stable during errors");
    }

    #[test]
    fn test_dialog_memory_management() {
        // Test memory management and cleanup
        let open = RwSignal::new(true);
        let cleanup_called = RwSignal::new(false);
        
        // Simulate cleanup
        let cleanup = Callback::new(move |_| {
            cleanup_called.set(true);
        });
        
        // Close dialog and trigger cleanup
        open.set(false);
        cleanup.run(());
        
        assert!(!open.get(), "Dialog should be closed");
        assert!(cleanup_called.get(), "Cleanup should be called");
    }
}
