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

    // Mock types for testing - these would be imported from the actual form module
    #[derive(Debug, Clone)]
    struct FormValidation {
        pub is_valid: bool,
        pub errors: HashMap<String, String>,
    }

    impl FormValidation {
        fn new() -> Self {
            Self {
                is_valid: true,
                errors: HashMap::new(),
            }
        }

        fn add_error(&mut self, field: &str, message: &str) {
            self.is_valid = false;
            self.errors.insert(field.to_string(), message.to_string());
        }

        fn get_error(&self, field: &str) -> Option<&String> {
            self.errors.get(field)
        }

        fn clear_errors(&mut self) {
            self.is_valid = true;
            self.errors.clear();
        }
    }

    #[derive(Debug, Clone)]
    struct FormError {
        pub field: String,
        pub message: String,
    }

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

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

        fn get(&self, field: &str) -> Option<&String> {
            self.fields.get(field)
        }

        fn get_or_default(&self, field: &str) -> String {
            self.fields.get(field).cloned().unwrap_or_default()
        }
    }

    #[test]
    fn test_form_validation_creation() {
        // Test FormValidation creation
        let validation = FormValidation::new();
        assert!(validation.is_valid);
        assert!(validation.errors.is_empty());
    }

    #[test]
    fn test_form_validation_error_handling() {
        // Test FormValidation error handling
        let mut validation = FormValidation::new();
        
        // Test adding errors
        validation.add_error("email", "Email is required");
        assert!(!validation.is_valid);
        assert_eq!(validation.errors.len(), 1);
        
        validation.add_error("password", "Password is too short");
        assert!(!validation.is_valid);
        assert_eq!(validation.errors.len(), 2);
        
        // Test getting errors
        let email_error = validation.get_error("email");
        assert_eq!(email_error, Some(&"Email is required".to_string()));
        
        let password_error = validation.get_error("password");
        assert_eq!(password_error, Some(&"Password is too short".to_string()));
        
        let non_existent_error = validation.get_error("username");
        assert_eq!(non_existent_error, None);
    }

    #[test]
    fn test_form_error_structure() {
        // Test FormError structure
        let error = FormError {
            field: "email".to_string(),
            message: "Email is required".to_string(),
        };
        
        assert_eq!(error.field, "email");
        assert_eq!(error.message, "Email is required");
    }

    #[test]
    fn test_form_data_creation() {
        // Test FormData creation
        let form_data = FormData::new();
        assert!(form_data.fields.is_empty());
    }

    #[test]
    fn test_form_data_field_operations() {
        // Test FormData field operations
        let mut form_data = FormData::new();
        
        // Test field insertion
        form_data.fields.insert("email".to_string(), "test@example.com".to_string());
        form_data.fields.insert("password".to_string(), "secret123".to_string());
        
        // Test field retrieval
        let email = form_data.get("email");
        assert_eq!(email, Some(&"test@example.com".to_string()));
        
        let password = form_data.get("password");
        assert_eq!(password, Some(&"secret123".to_string()));
        
        let non_existent = form_data.get("username");
        assert_eq!(non_existent, None);
        
        // Test get_or_default
        let email_default = form_data.get_or_default("email");
        assert_eq!(email_default, "test@example.com");
        
        let non_existent_default = form_data.get_or_default("username");
        assert_eq!(non_existent_default, "");
    }

    #[test]
    fn test_form_validation_states() {
        // Test validation states
        let validation_states = vec![
            ("valid", true),
            ("invalid", false),
            ("pending", false),
            ("required", true),
        ];

        for (state, is_valid) in validation_states {
            // Each validation state should be handled
            assert!(!state.is_empty());
            assert!(is_valid == true || is_valid == false);
        }
    }

    #[test]
    fn test_form_validation_logic() {
        // Test form validation logic
        let mut validation = FormValidation::new();
        
        // Test empty form validation
        assert!(validation.is_valid);
        
        // Test single field validation
        validation.add_error("email", "Email is required");
        assert!(!validation.is_valid);
        assert_eq!(validation.errors.len(), 1);
        
        // Test multiple field validation
        validation.add_error("password", "Password is too short");
        validation.add_error("username", "Username is required");
        assert!(!validation.is_valid);
        assert_eq!(validation.errors.len(), 3);
        
        // Test error clearing
        validation.clear_errors();
        assert!(validation.is_valid);
        assert!(validation.errors.is_empty());
    }

    #[test]
    fn test_form_state_combinations() {
        // Test form state combinations
        let mut validation = FormValidation::new();
        let mut form_data = FormData::new();
        
        // Test valid state
        form_data.fields.insert("email".to_string(), "test@example.com".to_string());
        assert!(validation.is_valid);
        assert!(!form_data.fields.is_empty());
        
        // Test invalid state
        validation.add_error("email", "Invalid email format");
        assert!(!validation.is_valid);
        assert!(!form_data.fields.is_empty());
        
        // Test empty form state
        let empty_form_data = FormData::new();
        assert!(empty_form_data.fields.is_empty());
    }

    #[test]
    fn test_form_validation_error_management() {
        // Test validation error management
        let mut validation = FormValidation::new();
        
        // Test adding multiple errors for same field
        validation.add_error("email", "Email is required");
        validation.add_error("email", "Email format is invalid");
        
        // Should only have one error per field (last one wins)
        assert_eq!(validation.errors.len(), 1);
        assert_eq!(validation.get_error("email"), Some(&"Email format is invalid".to_string()));
        
        // Test error removal
        validation.clear_errors();
        assert!(validation.is_valid);
        assert!(validation.errors.is_empty());
        
        // Test error retrieval after clearing
        assert_eq!(validation.get_error("email"), None);
    }

    #[test]
    fn test_form_field_validation_scenarios() {
        // Test field validation scenarios
        let mut validation = FormValidation::new();
        
        // Test required field validation
        validation.add_error("email", "Email is required");
        assert!(!validation.is_valid);
        
        // Test format validation
        validation.add_error("email", "Invalid email format");
        assert!(!validation.is_valid);
        
        // Test length validation
        validation.add_error("password", "Password must be at least 8 characters");
        assert!(!validation.is_valid);
        
        // Test pattern validation
        validation.add_error("phone", "Phone number format is invalid");
        assert!(!validation.is_valid);
        
        // Test custom validation
        validation.add_error("username", "Username already exists");
        assert!(!validation.is_valid);
        
        assert_eq!(validation.errors.len(), 4);
    }

    #[test]
    fn test_form_data_field_types() {
        // Test form data field types
        let mut form_data = FormData::new();
        
        // Test string fields
        form_data.fields.insert("name".to_string(), "John Doe".to_string());
        form_data.fields.insert("email".to_string(), "john@example.com".to_string());
        
        // Test numeric fields (as strings)
        form_data.fields.insert("age".to_string(), "25".to_string());
        form_data.fields.insert("phone".to_string(), "123-456-7890".to_string());
        
        // Test boolean fields (as strings)
        form_data.fields.insert("newsletter".to_string(), "true".to_string());
        form_data.fields.insert("terms".to_string(), "false".to_string());
        
        // Test retrieval
        assert_eq!(form_data.get("name"), Some(&"John Doe".to_string()));
        assert_eq!(form_data.get("email"), Some(&"john@example.com".to_string()));
        assert_eq!(form_data.get("age"), Some(&"25".to_string()));
        assert_eq!(form_data.get("phone"), Some(&"123-456-7890".to_string()));
        assert_eq!(form_data.get("newsletter"), Some(&"true".to_string()));
        assert_eq!(form_data.get("terms"), Some(&"false".to_string()));
        
        assert_eq!(form_data.fields.len(), 6);
    }
}
