/*
 * This file is part of laurelin/server
 * Copyright (C) 2023 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

use bevy_ecs::{
    event::EventReader,
    system::{Res, ResMut},
};
use laurelin_shared::{
    api::{
        self,
        game::{
            all_forming, create, my_games, ResponseAllForming, ResponseCreateGame,
            ResponseGameInfo, ResponseMyGames,
        },
        user::{self, ResponseInfo},
    },
    server::{
        channels::{CookieRefreshChannel, DataRequestChannel},
        messages::{CookieRefresh, DataRequest, DataRequestResponse, DataRequestType},
    },
    types::game::GamePub,
};
use naia_bevy_server::{events::MessageEvents, Server};

use crate::{Config, Global};

pub(crate) fn message_events(
    mut ev: EventReader<MessageEvents>,
    mut server: Server,
    config: Res<Config>,
    mut global: ResMut<Global>,
) {
    for events in ev.iter() {
        for (user_key, request) in events.read::<DataRequestChannel, DataRequest>() {
            match DataRequestType::from_u8(&request.r#type) {
                DataRequestType::GameCreate => {
                    // TODO: handle
                    let cookie = global.user_to_session_map.get(&user_key).unwrap();
                    let wrapped = create(&config.api_address, cookie);
                    let game = match wrapped.response {
                        ResponseCreateGame::Error(_err) => None, // TODO: handle
                        ResponseCreateGame::Valid(result) => Some(result),
                    };
                    let game_pub_json = match game {
                        None => {
                            panic!("I can't be bothered to handle this right now.")
                        }
                        Some(game) => serde_json::to_string(&GamePub::from_game(&game)).unwrap(),
                    };
                    server.send_message::<DataRequestChannel, DataRequestResponse>(
                        &user_key,
                        &DataRequestResponse::new(request.r#type, Some(vec![game_pub_json])),
                    );

                    // update cookie
                    global
                        .user_to_session_map
                        .insert(user_key, wrapped.cookie.clone());
                    server.send_message::<CookieRefreshChannel, CookieRefresh>(
                        &user_key,
                        &CookieRefresh::new(&wrapped.cookie),
                    );
                }
                DataRequestType::GameAllForming => {
                    // TODO: handle
                    let cookie = global.user_to_session_map.get(&user_key).unwrap();
                    let wrapped = all_forming(&config.api_address, cookie);
                    let game_ids = match wrapped.response {
                        ResponseAllForming::Error(_err) => vec![], // TODO: handle
                        ResponseAllForming::Valid(result) => result,
                    };
                    server.send_message::<DataRequestChannel, DataRequestResponse>(
                        &user_key,
                        &DataRequestResponse::new(request.r#type, Some(game_ids)),
                    );

                    // update cookie
                    global
                        .user_to_session_map
                        .insert(user_key, wrapped.cookie.clone());
                    server.send_message::<CookieRefreshChannel, CookieRefresh>(
                        &user_key,
                        &CookieRefresh::new(&wrapped.cookie),
                    );
                }
                DataRequestType::GameMyGames => {
                    // TODO: handle
                    let cookie = global.user_to_session_map.get(&user_key).unwrap();
                    let wrapped = my_games(&config.api_address, cookie);
                    let game_ids = match wrapped.response {
                        ResponseMyGames::Error(_err) => vec![], // TODO: handle
                        ResponseMyGames::Valid(result) => result,
                    };
                    server.send_message::<DataRequestChannel, DataRequestResponse>(
                        &user_key,
                        &DataRequestResponse::new(request.r#type, Some(game_ids)),
                    );

                    // update cookie
                    global
                        .user_to_session_map
                        .insert(user_key, wrapped.cookie.clone());
                    server.send_message::<CookieRefreshChannel, CookieRefresh>(
                        &user_key,
                        &CookieRefresh::new(&wrapped.cookie),
                    );
                }
                DataRequestType::GameInfo => {
                    // TODO: handle
                    let cookie = global.user_to_session_map.get(&user_key).unwrap();
                    let wrapped = api::game::info(
                        &config.api_address,
                        cookie,
                        &request.data.unwrap_or("".to_string()),
                    );
                    let game = match wrapped.response {
                        ResponseGameInfo::Error(_err) => None, // TODO: handle
                        ResponseGameInfo::Valid(result) => Some(result),
                    };
                    let game_pub_json = match game {
                        None => {
                            panic!("I can't be bothered to handle this right now.")
                        }
                        Some(game) => serde_json::to_string(&GamePub::from_game(&game)).unwrap(),
                    };
                    server.send_message::<DataRequestChannel, DataRequestResponse>(
                        &user_key,
                        &DataRequestResponse::new(request.r#type, Some(vec![game_pub_json])),
                    );

                    // update cookie
                    global
                        .user_to_session_map
                        .insert(user_key, wrapped.cookie.clone());
                    server.send_message::<CookieRefreshChannel, CookieRefresh>(
                        &user_key,
                        &CookieRefresh::new(&wrapped.cookie),
                    );
                }
                DataRequestType::PubUserDetails => {
                    // TODO: handle
                    let cookie = global.user_to_session_map.get(&user_key).unwrap();
                    let wrapped = user::info(
                        &config.api_address,
                        &request.data.unwrap_or("".to_string()),
                        cookie,
                    );
                    let user_details = match wrapped.response {
                        ResponseInfo::Error(_err) => {
                            panic!("I can't be bothered to handle this right now.")
                        }
                        ResponseInfo::Ok(result) => result,
                    };
                    // TODO: handle
                    let user_details_json = serde_json::to_string(&user_details).unwrap();
                    server.send_message::<DataRequestChannel, DataRequestResponse>(
                        &user_key,
                        &DataRequestResponse::new(request.r#type, Some(vec![user_details_json])),
                    );

                    // update cookie
                    global
                        .user_to_session_map
                        .insert(user_key, wrapped.cookie.clone());
                    server.send_message::<CookieRefreshChannel, CookieRefresh>(
                        &user_key,
                        &CookieRefresh::new(&wrapped.cookie),
                    );
                }
            }
        }
    }
}