use std::sync::Arc;

use log::warn;

use crate::db::data_cache::DataCache;
use crate::db::DB;
use crate::uis::history::HistoryState;
use crate::uis::manual_transaction::ManualTransactionState;
use crate::uis::navigation_frame::NavigationState;
use crate::uis::quick_transaction::QuickTransactionState;

pub type AppResult<T> = std::result::Result<T, Box<dyn std::error::Error>>;

pub enum InputMode {
    Insert,
    Normal,
}

pub struct App<'a> {
    pub running: bool,

    pub states: States<'a>,

    pub input_mode: InputMode,

    pub db: Arc<tokio::sync::Mutex<DB>>,
    pub data_cache: DataCache,
}

impl<'a> App<'a> {
    pub fn new(db: DB, data_cache: DataCache) -> App<'a> {
        App {
            running: true,
            states: States::new(),
            input_mode: InputMode::Normal,
            db: Arc::new(tokio::sync::Mutex::new(db)),
            data_cache,
        }
    }

    pub fn refresh(&mut self) {
        let db_clone1 = Arc::clone(&self.db);
        let db_clone2 = Arc::clone(&self.db);
        let db_clone3 = Arc::clone(&self.db);

        tokio::spawn(async move {
            let res = db_clone1.lock().await.get_all_transactions().await;
            match res {
                Ok(_) => {}
                Err(e) => warn!("{}", e),
            }
        });

        tokio::spawn(async move {
            let res = db_clone2.lock().await.get_all_accounts().await;
            match res {
                Ok(_) => {}
                Err(e) => warn!("{}", e),
            }
        });

        tokio::spawn(async move {
            let res = db_clone3.lock().await.get_all_buckets().await;
            match res {
                Ok(_) => {}
                Err(e) => warn!("{}", e),
            }
        });
    }
}

pub enum ActiveFrame {
    Navigation,
    NewTransaction,
    ManualTransaction,
    History,
}

pub struct States<'a> {
    pub nav_state: NavigationState<'a>,
    pub transactions: QuickTransactionState<'a>,
    pub manual_transactions: ManualTransactionState,
    pub history: HistoryState,

    pub active_frame: ActiveFrame,
}

impl<'a> States<'a> {
    pub fn new() -> States<'a> {
        States {
            nav_state: NavigationState::new(),
            transactions: QuickTransactionState::new(),
            manual_transactions: ManualTransactionState::new(),
            history: HistoryState::new(),

            active_frame: ActiveFrame::Navigation,
        }
    }
}