use std::fs::{read, read_to_string};
use std::{error::Error, fs, result::Result};
use warp::Filter;

#[allow(non_snake_case)]
pub mod CAHd_game;
use crate::CAHd_game::*;

pub mod api;
use crate::api::*;

/// Parse json for card data
fn load_json(path: &str) -> Result<Vec<CAHCardSet>, Box<dyn Error>> {
    let data: String = fs::read_to_string(path).expect("Error reading file");
    let jayson: Vec<CAHCardSet> = serde_json::from_str(&data)?;

    Ok(jayson)
}

fn test() -> Result<(), Box<dyn Error>> {
    // choose decks
    let cards_input_path: &str = "data/cah-cards-full.json";

    // TODO: this should be a master card database and pointers
    // to the cards should be passed to the game instead of actual cards
    let chosen_packs: Vec<CAHCardSet> = load_json(cards_input_path)?;
    println!("{}", &chosen_packs.len());

    let test_player0 = CAHPlayer {
        player_name: "Adam".to_string(),
        role: PlayerRole::Host,
        white: vec![],
        black: vec![],
    };

    let test_player1 = CAHPlayer {
        player_name: "Ferris".to_string(),
        role: PlayerRole::Player,
        white: vec![],
        black: vec![],
    };

    // make some games
    // use hashmap?
    let mut games: Vec<CAHGame> = vec![];

    // create game with/for player 0
    let test_game0 = NewGameRequest {
        name: "Test0".to_string(),
        host: test_player0,
        packs: chosen_packs,
    };

    games.push(CAHGame::new(test_game0)?);

    // a new game request struct but this player is a player
    games[0].create_player(test_player1)?;

    // start round
    games[0].game_start()?;

    println!("----------------------");
    for card in &games[0].players[0].white {
        println!("{}", card.text);
    }
    Ok(())
}

#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
    pretty_env_logger::init();
    test()?;

    // Keep track of all connected users, key is usize, value
    // is a websocket sender.
    let users = api::Users::default();
    // Turn our "state" into a new Filter...
    let users = warp::any().map(move || users.clone());

    // GET /chat -> websocket upgrade
    let chat = warp::path("chat")
        // The `ws()` filter will prepare Websocket handshake...
        .and(warp::ws())
        .and(users)
        .map(|ws: warp::ws::Ws, users| {
            // This will call our function if the handshake succeeds.
            ws.on_upgrade(move |socket| on_user_connected(socket, users))
        });

    // GET / -> index html
    let index = warp::get()
        .and(warp::path::end())
        .and(warp::fs::file("./test_client.html"));

    let routes = index.or(chat);

    warp::serve(routes).run(([0, 0, 0, 0], 3030)).await;

    Ok(())
}