use crate::daemon::SettingsKey;

use std::sync::Arc;
use tokio::sync::Mutex;
use keyring::{Entry, Result};

use kordophone::api::{AuthenticationStore, http_client::Credentials};
use kordophone::model::JwtToken;
use kordophone_db::database::{Database, DatabaseAccess};

use async_trait::async_trait;

pub struct DatabaseAuthenticationStore {
    database: Arc<Mutex<Database>>,
}

impl DatabaseAuthenticationStore {
    pub fn new(database: Arc<Mutex<Database>>) -> Self {
        Self { database }
    }
}

#[async_trait]
impl AuthenticationStore for DatabaseAuthenticationStore {
    async fn get_credentials(&mut self) -> Option<Credentials> {
        use keyring::secret_service::SsCredential;

        self.database.lock().await.with_settings(|settings| {
            let username: Option<String> = settings.get::<String>(SettingsKey::USERNAME)
                .unwrap_or_else(|e| {
                    log::warn!("error getting username from database: {}", e);
                    None
                });

            match username {
                Some(username) => {
                    let credential = SsCredential::new_with_target(None, "net.buzzert.kordophonecd", &username).unwrap();

                    let password: Result<String> = Entry::new_with_credential(Box::new(credential))
                        .get_password();

                    log::debug!("password: {:?}", password);

                    match password {
                        Ok(password) => Some(Credentials { username, password }),
                        Err(e) => {
                            log::error!("error getting password from keyring: {}", e);
                            None
                        }
                    }
                }
                None => None,
            }
        }).await
    }

    async fn get_token(&mut self) -> Option<JwtToken> {
        self.database.lock().await
            .with_settings(|settings| {
                match settings.get::<JwtToken>(SettingsKey::TOKEN) {
                    Ok(token) => token,
                    Err(e) => {
                        log::warn!("Failed to get token from settings: {}", e);
                        None
                    }
                }
            }).await
    }

    async fn set_token(&mut self, token: JwtToken) {
        self.database.lock().await
            .with_settings(|settings| settings.put(SettingsKey::TOKEN, &token)).await.unwrap_or_else(|e| {
                log::error!("Failed to set token: {}", e);
            });
    }
}