#[cfg(test)]
mod prop_handling_tests {
    use leptos::prelude::*;
    use leptos_style::Style;
    use std::collections::HashMap;

    // Mock types for testing
    #[derive(Debug, Clone)]
    struct FormData {
        pub fields: HashMap<String, String>,
    }

    impl FormData {
        fn new() -> Self {
            Self {
                fields: HashMap::new(),
            }
        }
    }

    #[test]
    fn test_form_prop_defaults() {
        // Test prop default handling for Form
        let class = Some("test-class".to_string());
        let default_class = class.unwrap_or_default();
        assert_eq!(default_class, "test-class");
        
        let no_class: Option<String> = None;
        let default_no_class = no_class.unwrap_or_default();
        assert_eq!(default_no_class, "");
        
        let name = "test-name".to_string();
        let default_name = name.clone();
        assert_eq!(default_name, "test-name");

        // Test for_field prop handling
        let for_field = "test-field".to_string();
        let default_for_field = for_field.clone();
        assert_eq!(default_for_field, "test-field");

        // Test message prop handling
        let message = Some("test-message".to_string());
        let default_message = message.unwrap_or_default();
        assert_eq!(default_message, "test-message");
        
        let no_message: Option<String> = None;
        let default_no_message = no_message.unwrap_or_default();
        assert_eq!(default_no_message, "");
    }

    #[test]
    fn test_form_callback_handling() {
        // Test callback handling logic
        let callback_count = RwSignal::new(0);
        let callback = Callback::new(move |form_data: FormData| {
            callback_count.update(|count| *count += 1);
            assert!(!form_data.fields.is_empty() || form_data.fields.is_empty());
        });

        // Test callback creation (callback exists)
        let callback_exists = true;
        assert!(callback_exists);
        
        // Test callback execution
        let test_form_data = FormData::new();
        callback.run(test_form_data);
        assert_eq!(callback_count.get(), 1);
        
        let mut test_form_data2 = FormData::new();
        test_form_data2.fields.insert("test".to_string(), "value".to_string());
        callback.run(test_form_data2);
        assert_eq!(callback_count.get(), 2);
    }

    #[test]
    fn test_form_event_handling_logic() {
        // Test event handling logic
        let event_handled = RwSignal::new(false);
        let on_submit = Some(Callback::new(move |form_data: FormData| {
            event_handled.set(true);
            assert!(!form_data.fields.is_empty() || form_data.fields.is_empty());
        }));

        // Test callback presence
        if let Some(callback) = &on_submit {
            let test_form_data = FormData::new();
            callback.run(test_form_data);
            assert!(event_handled.get());
        }

        // Test callback absence
        let no_callback: Option<Callback<FormData>> = None;
        if let None = no_callback {
            assert!(true, "No callback should be present");
        }
    }

    #[test]
    fn test_form_callback_combinations() {
        // Test callback combinations
        let submit_count = RwSignal::new(0);
        let change_count = RwSignal::new(0);
        
        let on_submit = Some(Callback::new(move |_form_data: FormData| {
            submit_count.update(|count| *count += 1);
        }));
        
        let on_change = Some(Callback::new(move |_form_data: FormData| {
            change_count.update(|count| *count += 1);
        }));
        
        // Test submit callback
        if let Some(callback) = &on_submit {
            callback.run(FormData::new());
            assert_eq!(submit_count.get(), 1);
        }
        
        // Test change callback
        if let Some(callback) = &on_change {
            callback.run(FormData::new());
            assert_eq!(change_count.get(), 1);
        }
        
        // Test both callbacks
        if let (Some(submit_callback), Some(change_callback)) = (&on_submit, &on_change) {
            submit_callback.run(FormData::new());
            change_callback.run(FormData::new());
            assert_eq!(submit_count.get(), 2);
            assert_eq!(change_count.get(), 2);
        }
    }

    #[test]
    fn test_form_data_hashmap_operations() {
        // Test HashMap operations for form data
        let mut form_data = FormData::new();
        
        // Test insertion
        form_data.fields.insert("field1".to_string(), "value1".to_string());
        form_data.fields.insert("field2".to_string(), "value2".to_string());
        form_data.fields.insert("field3".to_string(), "value3".to_string());
        
        assert_eq!(form_data.fields.len(), 3);
        
        // Test retrieval
        assert_eq!(form_data.fields.get("field1"), Some(&"value1".to_string()));
        assert_eq!(form_data.fields.get("field2"), Some(&"value2".to_string()));
        assert_eq!(form_data.fields.get("field3"), Some(&"value3".to_string()));
        
        // Test update
        form_data.fields.insert("field1".to_string(), "updated_value1".to_string());
        assert_eq!(form_data.fields.get("field1"), Some(&"updated_value1".to_string()));
        assert_eq!(form_data.fields.len(), 3); // Length should remain the same
        
        // Test removal
        form_data.fields.remove("field2");
        assert_eq!(form_data.fields.len(), 2);
        assert_eq!(form_data.fields.get("field2"), None);
        
        // Test clear
        form_data.fields.clear();
        assert_eq!(form_data.fields.len(), 0);
    }

    #[test]
    fn test_form_conditional_rendering() {
        // Test conditional rendering logic
        let show_error = RwSignal::new(true);
        let show_description = RwSignal::new(false);
        let is_required = RwSignal::new(true);
        
        // Test error message rendering
        let should_show_error = show_error.get();
        assert!(should_show_error);
        
        // Test description rendering
        let should_show_description = show_description.get();
        assert!(!should_show_description);
        
        // Test required field rendering
        let should_show_required = is_required.get();
        assert!(should_show_required);
        
        // Test state changes
        show_error.set(false);
        show_description.set(true);
        is_required.set(false);
        
        assert!(!show_error.get());
        assert!(show_description.get());
        assert!(!is_required.get());
    }

    #[test]
    fn test_form_edge_cases() {
        // Test edge cases and error conditions
        
        // Test empty strings
        let empty_string = "";
        assert!(empty_string.is_empty());
        
        // Test whitespace-only strings
        let whitespace_string = "   ";
        assert!(!whitespace_string.is_empty());
        assert!(whitespace_string.trim().is_empty());
        
        // Test very long strings
        let long_string = "a".repeat(10000);
        assert_eq!(long_string.len(), 10000);
        
        // Test special characters
        let special_chars = "!@#$%^&*()_+-=[]{}|;':\",./<>?";
        assert!(!special_chars.is_empty());
        
        // Test unicode characters
        let unicode_string = "Hello 世界 🌍";
        assert!(!unicode_string.is_empty());
        assert!(unicode_string.contains("世界"));
        assert!(unicode_string.contains("🌍"));
    }

    #[test]
    fn test_form_component_consistency() {
        // Test component consistency
        let form_class = "space-y-6";
        let field_class = "space-y-2";
        let item_class = "space-y-2";
        
        // Test that related components have consistent spacing
        assert!(form_class.contains("space-y"));
        assert!(field_class.contains("space-y"));
        assert!(item_class.contains("space-y"));
        
        // Test that form has larger spacing than fields/items
        assert!(form_class.contains("space-y-6"));
        assert!(field_class.contains("space-y-2"));
        assert!(item_class.contains("space-y-2"));
        
        // Test typography consistency
        let label_class = "text-sm font-medium";
        let message_class = "text-sm font-medium";
        let description_class = "text-sm";
        
        assert!(label_class.contains("text-sm"));
        assert!(message_class.contains("text-sm"));
        assert!(description_class.contains("text-sm"));
    }
}
