//! Security and compliance features for broker connections
//!
//! Provides authentication, authorization, and compliance monitoring.

use serde::{Deserialize, Serialize};
use std::collections::HashMap;

/// Security configuration for broker connections
#[derive(Debug, Clone, Serialize, Deserialize)]
/// SecurityConfig
///
/// Auto-generated documentation placeholder - enhance with specifics
pub struct SecurityConfig {
    /// Encryption Enabled
    pub encryption_enabled: bool,
    /// Tls Version
    pub tls_version: String,
    /// Certificate Validation
    pub certificate_validation: bool,
    /// Max Connection Attempts
    pub max_connection_attempts: u32,
}

impl Default for SecurityConfig {
    fn default() -> Self {
        Self {
            encryption_enabled: true,
            tls_version: "1.3".to_owned(),
            certificate_validation: true,
            max_connection_attempts: 3,
        }
    }
}

/// Authentication credentials
#[derive(Debug, Clone, Serialize, Deserialize)]
/// Credentials
///
/// Auto-generated documentation placeholder - enhance with specifics
pub struct Credentials {
    /// Username
    pub username: String,
    /// Password
    pub password: String,
    /// Api Key
    pub api_key: Option<String>,
    /// Secret
    pub secret: Option<String>,
}

/// Security manager for broker connections
///
/// Manages authentication credentials and security settings for multiple broker connections.
#[derive(Debug)]
pub struct SecurityManager {
    config: SecurityConfig,
    credentials: HashMap<String, Credentials>,
}

impl SecurityManager {
    /// Creates a new security manager with the given configuration
    ///
    /// # Arguments
    ///
    /// * `config` - Security configuration settings
    pub fn new(config: SecurityConfig) -> Self {
        Self {
            config,
            credentials: HashMap::new(),
        }
    }

    /// Adds credentials for a specific broker
    ///
    /// # Arguments
    ///
    /// * `broker` - Broker identifier
    /// * `creds` - Authentication credentials to store
    pub fn add_credentials(&mut self, broker: String, creds: Credentials) {
        self.credentials.insert(broker, creds);
    }

    /// Retrieves stored credentials for a broker
    ///
    /// # Arguments
    ///
    /// * `broker` - Broker identifier
    ///
    /// # Returns
    ///
    /// Credentials if found, `None` otherwise
    pub fn get_credentials(&self, broker: &str) -> Option<&Credentials> {
        self.credentials.get(broker)
    }

    /// Checks if connection configuration is valid
    ///
    /// # Returns
    ///
    /// `true` if encryption is enabled, `false` otherwise
    pub const fn is_connection_valid(&self) -> bool {
        self.config.encryption_enabled
    }
}
