pub mod uno;

use std::sync::{Arc, Mutex as StdMutex};
use twitch_irc::message::PrivmsgMessage;

use twitchbot_rs::{Bot, ClientQueue, Command, Context};
use crate::uno::{Uno, UnoPlayer, UnoState};
use crate::uno::UnoState::Ended;


pub struct PingCommand;

impl Command for PingCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: Context) -> ClientQueue {
        let mut queue = ClientQueue::new();

        let pl = pl_am.lock().unwrap();
        queue.say(ctx.channel_login.to_owned(), format!("@{} Pong!", ctx.sender.name));

        queue
    }
}


pub struct UnoCommand;

impl Command for UnoCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: PrivmsgMessage) -> ClientQueue {
        let mut queue = ClientQueue::new();

        let mut pl = pl_am.lock().unwrap();
        if pl.state == Ended {
            pl.reset(ctx.sender.name.clone());
            queue.me(ctx.channel_login, format!("{} started a new uno game, type !join to join.", ctx.sender.name));
        } else {
            queue.me(ctx.channel_login, "Another game going on rn".to_string());
        }

        queue
    }
}


pub struct DrawCommand;

impl Command for DrawCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: PrivmsgMessage) -> ClientQueue {
        let mut queue = ClientQueue::new();
        let args: Vec<String> = ctx.message_text.split(' ').map(|s| s.to_string()).collect();

        let mut pl = pl_am.lock().unwrap();

        let idx = pl.active_player;
        if pl.players.get_mut(idx).unwrap().name == ctx.sender.name && args.len() > 1 {
            let amount = args
                .get(1)
                .unwrap()
                .parse::<u32>()
                .unwrap_or(0);

            for _ in 0..amount {
                let card = pl.draw();
                pl.players.get_mut(idx).unwrap().hand.push(card);
            }

            queue.me(ctx.channel_login, format!("{} drew {} cards.", ctx.sender.name, amount));
        } else {
            queue.me(ctx.channel_login, "Sender probably not active player.".to_string())
        }

        queue
    }
}


pub struct PlaceCommand;

impl Command for PlaceCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: PrivmsgMessage) -> ClientQueue {
        let mut queue = ClientQueue::new();
        let args: Vec<String> = ctx.message_text.split(' ').map(|s| s.to_string()).collect();

        let mut pl = pl_am.lock().unwrap();

        let idx = pl.active_player;
        if pl.players.get_mut(idx).unwrap().name == ctx.sender.name && args.len() > 1 {
            let hand_idx = args
                .get(1)
                .unwrap()
                .parse::<usize>()
                .unwrap_or(0);

            if hand_idx < pl.players.get_mut(idx).unwrap().hand.len() {
                let card = pl.players.get_mut(idx).unwrap().take_card(hand_idx);

                if card.can_stack(&pl.top) {
                    queue.me(ctx.channel_login, format!("{} placed {}", pl.players.get_mut(idx).unwrap().name, &card));
                    pl.place(card);
                } else {
                    queue.me(ctx.channel_login, "Cant stack on that card.".to_string())
                }

            } else {
                queue.me(ctx.channel_login, "Hand index out of range".to_string());
            }
        } else {
            queue.me(ctx.channel_login, "Sender probably not active player.".to_string())
        }

        queue
    }
}


pub struct JoinCommand;

impl Command for JoinCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: PrivmsgMessage) -> ClientQueue {
        let mut queue = ClientQueue::new();

        let mut pl = pl_am.lock().unwrap();

        if pl.state == UnoState::NotStarted {
            pl.players.push(UnoPlayer::new(ctx.sender.name.clone()));
            queue.me(ctx.channel_login, format!("{} Joined the game.", ctx.sender.name));
        }

        queue
    }
}


pub struct StartCommand;

impl Command for StartCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: PrivmsgMessage) -> ClientQueue {
        let mut queue = ClientQueue::new();

        let mut pl = pl_am.lock().unwrap();
        if pl.admin == ctx.sender.name {
            pl.init();
            queue.me(ctx.channel_login, "Game started!".to_string());
        }

        queue
    }
}


pub struct EndCommand;

impl Command for EndCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: PrivmsgMessage) -> ClientQueue {
        let mut queue = ClientQueue::new();

        let mut pl = pl_am.lock().unwrap();
        if pl.admin == ctx.sender.name {
            pl.end();
            queue.me(ctx.channel_login, "Game ended!".to_string());
        }

        queue
    }
}

pub struct HandCommand;

impl Command for HandCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: PrivmsgMessage) -> ClientQueue {
        let mut queue = ClientQueue::new();
        let args: Vec<String> = ctx.message_text.split(' ').map(|s| s.to_string()).collect();

        let mut pl = pl_am.lock().unwrap();

        let mut index = usize::MAX;

        for (i, player) in pl.players.iter().enumerate() {
            if player.name == ctx.sender.name {
                index = i;
            }
        }

        let mut card_list = String::new();
        for card in pl.players.get(index).unwrap().hand.iter().enumerate() {
            card_list.push_str(format!("{}: {}, ", card.0, card.1).as_str());
        }

        let channel: String = if ctx.sender.name == "daph" {
            "daphbot".to_string()
        } else {
            ctx.sender.name
        };

        queue.say(channel, card_list);

        queue
    }
}


pub struct TopCommand;

impl Command for TopCommand {
    type CommandPayLoad = Uno;

    fn execute(&self, pl_am: Arc<StdMutex<Self::CommandPayLoad>>, ctx: PrivmsgMessage) -> ClientQueue {
        let mut queue = ClientQueue::new();

        let mut pl = pl_am.lock().unwrap();

        queue.me(ctx.channel_login, format!("Top: {}", &pl.top));

        queue
    }
}

#[tokio::test]
async fn main() {
    let mut u = Uno::new("mzntori".to_string());

    let login = std::env::var("LOGIN").unwrap();
    let oauth = std::env::var("OAUTH").unwrap();
    let mut bot = Bot::new(
        login.as_str(),
        oauth.as_str(),
        u,
    );

    bot.add_command("!ping".to_owned(), Box::new(PingCommand {})).await;
    bot.add_command("!uno".to_owned(), Box::new(UnoCommand {})).await;
    bot.add_command("!join".to_owned(), Box::new(JoinCommand {})).await;
    bot.add_command("!draw".to_owned(), Box::new(DrawCommand {})).await;
    bot.add_command("!start".to_owned(), Box::new(StartCommand {})).await;
    bot.add_command("!end".to_owned(), Box::new(EndCommand {})).await;
    bot.add_command("!place".to_owned(), Box::new(PlaceCommand {})).await;
    bot.add_command("!hand".to_owned(), Box::new(HandCommand {})).await;
    bot.add_command("!top".to_owned(), Box::new(TopCommand {})).await;

    bot.run().await;
}