use crate::config::AppConfig;
use crate::error::AppResult;

impl AppConfig {
    pub fn etcd_endpoints(&self) -> AppResult<Vec<String>> {
        match self.get_env::<String>("APP_ETCD_ENDPOINTS")? {
            Some(s) if !s.is_empty() => Ok(s
                .split(',')
                .map(|u| u.trim().to_string())
                .filter(|u| !u.is_empty())
                .collect()),
            _ => Ok(vec!["http://localhost:2379".to_string()]),
        }
    }

    pub fn etcd_username(&self) -> AppResult<Option<String>> {
        self.get_env::<String>("APP_ETCD_USERNAME")
    }

    pub fn etcd_password(&self) -> AppResult<Option<String>> {
        self.get_env::<String>("APP_ETCD_PASSWORD")
    }

    pub fn etcd_ca_cert_path(&self) -> AppResult<Option<String>> {
        self.get_env::<String>("APP_ETCD_CA_CERT_PATH")
    }

    pub fn etcd_client_cert_path(&self) -> AppResult<Option<String>> {
        self.get_env::<String>("APP_ETCD_CLIENT_CERT_PATH")
    }

    pub fn etcd_client_key_path(&self) -> AppResult<Option<String>> {
        self.get_env::<String>("APP_ETCD_CLIENT_KEY_PATH")
    }

    pub fn etcd_key_prefix(&self) -> AppResult<String> {
        self.get_env_or("APP_ETCD_KEY_PREFIX", "/appks/".to_string())
    }

    pub fn etcd_connect_timeout(&self) -> AppResult<u64> {
        self.get_env_or("APP_ETCD_CONNECT_TIMEOUT", 5)
    }

    pub fn etcd_request_timeout(&self) -> AppResult<u64> {
        self.get_env_or("APP_ETCD_REQUEST_TIMEOUT", 10)
    }

    pub fn etcd_keep_alive_interval(&self) -> AppResult<u64> {
        self.get_env_or("APP_ETCD_KEEP_ALIVE_INTERVAL", 10)
    }

    pub fn etcd_lease_ttl(&self) -> AppResult<u64> {
        self.get_env_or("APP_ETCD_LEASE_TTL", 15)
    }

    pub fn etcd_max_retries(&self) -> AppResult<u32> {
        self.get_env_or("APP_ETCD_MAX_RETRIES", 3)
    }
}