use tokio::sync::mpsc::UnboundedReceiver;
use twitch_irc::login::StaticLoginCredentials;
use twitch_irc::ClientConfig;
use twitch_irc::SecureTCPTransport;
use twitch_irc::TwitchIRCClient;
use twitch_irc::message::PrivmsgMessage;
use twitch_irc::message::ServerMessage;
use twitch_irc::transport::tcp::TCPTransport;
use twitch_irc::transport::tcp::TLS;
use std::env;
use dotenv::dotenv;

use std::collections::HashMap;

use rand::Rng;


//mod sub::ratelimiter;

use crate::core::ratelimiter::RateLimiter;
use crate::core::ratelimiter;
// use crate::core::ratelimiter;


enum Ch {
    channel(String),
}


pub struct BotInstance {
	prefix : char,
	bot_channel : String,
	pub client : TwitchIRCClient<TCPTransport<TLS>,StaticLoginCredentials>, 
    pub incoming_messages : UnboundedReceiver<ServerMessage>,
	pub ratelimiters : HashMap<String,RateLimiter>, // used to limit messages sent per channel 
	// botmodules : Hashmap<botmodule(String),Vec[Enabled(Channel(String)))]>,
	twitch_oauth : String,
	pub bot_channels : Vec<String>,
	/*bot_commands : Vec[BotCommand],
	bot_listeners : Vec[Listener],
	bot_routines : Vec[Routine],*/
	// botactionsdb : botactionsdb:botactions,
	// identity : identitymodule,
}

impl BotInstance {


    pub fn init() -> BotInstance {
        dotenv().ok();

        let login_name = "modulatingforcebot".to_owned();
        let oauth_token = env::var("access_token").unwrap().to_owned();

        /*
        Vector of channels to join
        */

        let mut botchannels = Vec::new();

        for chnl in env::var("bot_channels").unwrap().split(',') {
            // println!("(Env Var # {})",chnl);
            botchannels.push(String::from(chnl));
        }

        let config = ClientConfig::new_simple(
            StaticLoginCredentials::new(login_name.to_owned(), Some(oauth_token.to_owned()))
        );

        let (incoming_messages, client) =
        TwitchIRCClient::<SecureTCPTransport, StaticLoginCredentials>::new(config);

        for chnl in &botchannels {
            client.join(chnl.to_owned()).unwrap();
            // client.say(chnl.to_owned(), "Connected!".to_owned()).await.unwrap();
            //client.say(chnl.to_owned(), "annytfLurk".to_owned()).await.unwrap();
        }

        

        let mut b = BotInstance {
            prefix : '>',
            bot_channel : login_name ,
            // tclient : TwitchClient { incoming_messages , client },
            incoming_messages : incoming_messages,
            client : client,
            ratelimiters : HashMap::new(), // used to limit messages sent per channel 
            // botmodules : Hashmap<botmodule(String),Vec[Enabled(Channel(String)))]>,
            twitch_oauth : oauth_token,
            bot_channels : botchannels,
            /*bot_commands : Vec[BotCommand],
            bot_listeners : Vec[Listener],
            bot_routines : Vec[Routine],*/
            // botactionsdb : botactionsdb:botactions,
            // identity : identitymodule,            
        };

        // ratelimiters are a hashmap of channel and a corresponding rate limiter 
        // let mut ratelimiters:HashMap<String,RateLimiter> = HashMap::new();

        for chnl in &b.bot_channels {
            let n = RateLimiter::new();
            b.ratelimiters.insert(chnl.to_owned(),n);
        }

        println!("{:?}",b.ratelimiters);


        b
    }


    pub async fn run(mut self) -> () {

        //let b = self;

        let join_handle = tokio::spawn(async move {
            // while let Some(message) = incoming_messages.recv().await {
            while let Some(message) = self.incoming_messages.recv().await {
                // Below can be used to debug if I want to capture all messages
                // println!("Received message: {:?}", message);
    
                match message {
                    ServerMessage::Notice(msg) => {
                        if let Some(chnl) = msg.channel_login {
                            println!("NOTICE : (#{}) {}", chnl, msg.message_text);
                        }
                    }
                    ServerMessage::Privmsg(msg) => {
                        println!("(#{}) {}: {}", msg.channel_login, msg.sender.name, msg.message_text);
                        
    
                        // // let contextratelimiter = ratelimiters.get_mut(&msg.channel_login).expect("ERROR: Issue with Rate limiters");
                        // let contextratelimiter = self.ratelimiters.get_mut(&msg.channel_login).expect("ERROR: Issue with Rate limiters");
    
                        // match contextratelimiter.check_limiter() {
                        //     ratelimiter::LimiterResp::Allow => {
                        //         let maxblanks = rand::thread_rng().gen_range(1..=20);
                        //         //let mut outmsg = "GotTrolled ".to_owned();
                        //         let mut outmsg = "annytfLurk ".to_owned();
            
                        //         for _i in 1..maxblanks {
                        //             let blankspace: &str = "󠀀";
                        //             outmsg.push_str(blankspace);
                        //         }
            
                        //         // client.say_in_reply_to(&msg,outmsg).await.unwrap();
                        //         self.client.say_in_reply_to(&msg,outmsg).await.unwrap();
                        //         println!("(#{}) > {}", msg.channel_login, "rate limit counter increase");
                        //         contextratelimiter.increment_counter();
                        //         println!("{:?}",self.ratelimiters);
                        //     },
                        //     ratelimiter::LimiterResp::Skip => {
                        //         (); // do nothing otherwise
                        //     }
                        // }

                        // BotInstance::listener_main_prvmsg(msg);
                        //let botref = *self;
                        // BotInstance::listener_main_prvmsg(botref,msg).await();
                        //self.listener_main_prvmsg(&msg);

                        println!("Something");

                        self.listener_main_prvmsg();

                    },
                    ServerMessage::Whisper(msg) => {
                        println!("(w) {}: {}", msg.sender.name, msg.message_text);
                    },
                    ServerMessage::Join(msg) => {
                        println!("JOINED: {}", msg.channel_login);
                    },
                    ServerMessage::Part(msg) => {
                        println!("PARTED: {}", msg.channel_login);
                    },
                    _ => {}
                }
            }
        });
    
    
    
    
    
        join_handle.await.unwrap();
    }


// -----------------
// PRIVATE FUNCTIONS 

    // async fn listener_main_prvmsg(bot:BotInstance,msg:PrivmsgMessage) -> () {

    //     println!("(#{}) {}: {}", msg.channel_login, msg.sender.name, msg.message_text);
                            
        
    //     // let contextratelimiter = ratelimiters.get_mut(&msg.channel_login).expect("ERROR: Issue with Rate limiters");
    //     let contextratelimiter = bot.ratelimiters.get_mut(&msg.channel_login).expect("ERROR: Issue with Rate limiters");
    
    //     match contextratelimiter.check_limiter() {
    //         ratelimiter::LimiterResp::Allow => {
    //             let maxblanks = rand::thread_rng().gen_range(1..=20);
    //             //let mut outmsg = "GotTrolled ".to_owned();
    //             let mut outmsg = "annytfLurk ".to_owned();
    
    //             for _i in 1..maxblanks {
    //                 let blankspace: &str = "󠀀";
    //                 outmsg.push_str(blankspace);
    //             }
    
    //             // client.say_in_reply_to(&msg,outmsg).await.unwrap();
    //             bot.client.say_in_reply_to(&msg,outmsg).await.unwrap();
    //             println!("(#{}) > {}", msg.channel_login, "rate limit counter increase");
    //             contextratelimiter.increment_counter();
    //             println!("{:?}",bot.ratelimiters);
    //         },
    //         ratelimiter::LimiterResp::Skip => {
    //             (); // do nothing otherwise
    //         }
    //     }
    
    // }

    // async fn listener_main_prvmsg(mut self,msg:& PrivmsgMessage) -> () {

    //     println!("(#{}) {}: {}", msg.channel_login, msg.sender.name, msg.message_text);
                            
        
    //     // let contextratelimiter = ratelimiters.get_mut(&msg.channel_login).expect("ERROR: Issue with Rate limiters");
    //     let contextratelimiter = self.ratelimiters.get_mut(&msg.channel_login).expect("ERROR: Issue with Rate limiters");
    
    //     match contextratelimiter.check_limiter() {
    //         ratelimiter::LimiterResp::Allow => {
    //             let maxblanks = rand::thread_rng().gen_range(1..=20);
    //             //let mut outmsg = "GotTrolled ".to_owned();
    //             let mut outmsg = "annytfLurk ".to_owned();
    
    //             for _i in 1..maxblanks {
    //                 let blankspace: &str = "󠀀";
    //                 outmsg.push_str(blankspace);
    //             }
    
    //             // client.say_in_reply_to(&msg,outmsg).await.unwrap();
    //             self.client.say_in_reply_to(msg,outmsg).await.unwrap();
    //             println!("(#{}) > {}", msg.channel_login, "rate limit counter increase");
    //             contextratelimiter.increment_counter();
    //             println!("{:?}",self.ratelimiters);
    //         },
    //         ratelimiter::LimiterResp::Skip => {
    //             (); // do nothing otherwise
    //         }
    //     }
    
    // }

    
    async fn listener_main_prvmsg(self) -> () {

        // println!("(#{}) {}: {}", msg.channel_login, msg.sender.name, msg.message_text);
                            
        
        // // let contextratelimiter = ratelimiters.get_mut(&msg.channel_login).expect("ERROR: Issue with Rate limiters");
        // let contextratelimiter = self.ratelimiters.get_mut(&msg.channel_login).expect("ERROR: Issue with Rate limiters");
    
        // match contextratelimiter.check_limiter() {
        //     ratelimiter::LimiterResp::Allow => {
        //         let maxblanks = rand::thread_rng().gen_range(1..=20);
        //         //let mut outmsg = "GotTrolled ".to_owned();
        //         let mut outmsg = "annytfLurk ".to_owned();
    
        //         for _i in 1..maxblanks {
        //             let blankspace: &str = "󠀀";
        //             outmsg.push_str(blankspace);
        //         }
    
        //         // client.say_in_reply_to(&msg,outmsg).await.unwrap();
        //         self.client.say_in_reply_to(msg,outmsg).await.unwrap();
        //         println!("(#{}) > {}", msg.channel_login, "rate limit counter increase");
        //         contextratelimiter.increment_counter();
        //         println!("{:?}",self.ratelimiters);
        //     },
        //     ratelimiter::LimiterResp::Skip => {
        //         (); // do nothing otherwise
        //     }
        // }

        println!("Something");
    
    }


}