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

use bevy::prelude::*;
use iyes_loopless::state::NextState;
use laurelin_shared::server::{channels::AfterAuthChannel, messages::AfterAuth};
use naia_bevy_client::{
    events::{ClientTickEvent, ConnectEvent, DisconnectEvent, MessageEvents, RejectEvent},
    Client,
};

use crate::{
    cfg::CfgUser,
    plugins::menu::{
        ui::connect::{ConnectScreenData, ConnectState},
        MenuState,
    },
};

pub fn connect_events(mut ev: EventReader<ConnectEvent>, client: Client) {
    for _ in ev.iter() {
        if let Ok(server_address) = client.server_address() {
            info!("Laurelin client connected to: '{}'", server_address);
        }
    }
}

pub fn reject_events(mut ev: EventReader<RejectEvent>, mut data: ResMut<ConnectScreenData>) {
    for _ in ev.iter() {
        warn!("Laurelin client rejected from connecting to server!");

        data.error = "rejected from connecting".to_string();
        data.state = if data.state == ConnectState::LoggingIn {
            ConnectState::Login
        } else {
            ConnectState::Register
        }
    }
}

pub fn disconnect_events(mut ev: EventReader<DisconnectEvent>) {
    for _ in ev.iter() {
        info!("Laurelin client disconnected from server.");
    }
}

pub fn message_events(
    mut commands: Commands,
    mut ev: EventReader<MessageEvents>,
    mut cfg_user: ResMut<CfgUser>,
    mut data: ResMut<ConnectScreenData>,
) {
    for events in ev.iter() {
        for aa_message in events.read::<AfterAuthChannel, AfterAuth>() {
            // TODO: move handling to a separate function?

            // save details from AfterAuth
            cfg_user.username = aa_message.username;
            cfg_user.cookie = aa_message.cookie;

            // reset the connection screen to login
            data.state = ConnectState::Login;

            // take us to the main menu
            commands.insert_resource(NextState(MenuState::Menu));
        }
    }
}

pub fn tick_events(mut ev: EventReader<ClientTickEvent>, client: Client) {
    if !client.is_connected() {
        return;
    }

    for ClientTickEvent(_tick) in ev.iter() {}
}