use dbus::arg;
use dbus_tree::MethodErr;
use std::sync::{Arc, Mutex, MutexGuard};
use log::info;

use crate::daemon::Daemon;
use crate::dbus::interface::NetBuzzertKordophoneRepository as DbusRepository;
use crate::dbus::interface::NetBuzzertKordophoneSettings as DbusSettings;

#[derive(Clone)]
pub struct ServerImpl {
    daemon: Arc<Mutex<Daemon>>,
}

impl ServerImpl {
    pub fn new(daemon: Arc<Mutex<Daemon>>) -> Self {
        Self { daemon }
    }

    pub fn get_daemon(&self) -> Result<MutexGuard<'_, Daemon>, MethodErr> {
        self.daemon.lock().map_err(|_| MethodErr::failed("Failed to lock daemon"))
    }
}

impl DbusRepository for ServerImpl {
    fn get_version(&mut self) -> Result<String, MethodErr> {
        let daemon = self.get_daemon()?;
        Ok(daemon.version.clone())
    }    

    fn get_conversations(&mut self) -> Result<Vec<arg::PropMap>, dbus::MethodErr> {
        // Get a repository instance and use it to fetch conversations
        let mut daemon = self.get_daemon()?;
        let conversations = daemon.get_conversations();
        
        // Convert conversations to DBus property maps
        let result = conversations.into_iter().map(|conv| {
            let mut map = arg::PropMap::new();
            map.insert("guid".into(), arg::Variant(Box::new(conv.guid)));
            map.insert("display_name".into(), arg::Variant(Box::new(conv.display_name.unwrap_or_default())));
            map.insert("unread_count".into(), arg::Variant(Box::new(conv.unread_count as i32)));
            map
        }).collect();
        
        Ok(result)
    }

    fn sync_all_conversations(&mut self) -> Result<bool, dbus::MethodErr> {
        let mut daemon = self.get_daemon()?;
        daemon.sync_all_conversations().map_err(|e| {
            log::error!("Failed to sync conversations: {}", e);
            MethodErr::failed(&format!("Failed to sync conversations: {}", e))
        })?;

        Ok(true)
    }
} 

impl DbusSettings for ServerImpl {
    fn set_server(&mut self, url: String, user: String) -> Result<(), dbus::MethodErr> {
        todo!()
    }

    fn set_credential_item_(&mut self, item_path: dbus::Path<'static>) -> Result<(), dbus::MethodErr> {
        todo!()
    }

    fn server_url(&self) -> Result<String, dbus::MethodErr> {
        todo!()
    }

    fn set_server_url(&self, value: String) -> Result<(), dbus::MethodErr> {
        todo!()
    }

    fn username(&self) -> Result<String, dbus::MethodErr> {
        todo!()
    }

    fn set_username(&self, value: String) -> Result<(), dbus::MethodErr> {
        todo!()
    }

    fn credential_item(&self) -> Result<dbus::Path<'static>, dbus::MethodErr> {
        todo!()
    }

    fn set_credential_item(&self, value: dbus::Path<'static>) -> Result<(), dbus::MethodErr> {
        todo!()
    }

}