#![allow(unused_imports)]
#![allow(unused_variables)]
#![allow(dead_code)]

use {
    crate::{
        makepad_micro_serde::*,
        makepad_platform::*,
        build_manager::{
            build_protocol::{BuildCmd, BuildCmdWrap, LogItemWrap, BuildCmdId},
            build_server::{BuildConnection, BuildServer},
        }
    },
    std::{
        io::{Read, Write},
        net::{TcpListener, TcpStream},
        sync::mpsc::{self, Receiver, Sender, TryRecvError},
        thread,
        env,
        path::PathBuf
    },
};

pub struct BuildClient{
    pub cmd_sender: Sender<BuildCmdWrap>,
    pub log_signal: Signal,
    pub log_receiver: Receiver<LogItemWrap>,
}

impl BuildClient {
    
    #[cfg(not(target_arch = "wasm32"))]
    pub fn send_cmd(&self, cmd: BuildCmd)->BuildCmdId{
        let cmd_id = BuildCmdId(LiveId::unique().0);
        self.cmd_sender.send(BuildCmdWrap{
            cmd_id,
            cmd
        }).unwrap();
        cmd_id
    }
    
    #[cfg(not(target_arch = "wasm32"))]
    pub fn send_cmd_with_id(&self, cmd_id: BuildCmdId, cmd: BuildCmd){
        self.cmd_sender.send(BuildCmdWrap{
            cmd_id,
            cmd
        }).unwrap();
    }
    
    #[cfg(target_arch = "wasm32")]
    pub fn send_cmd(&self, _cmd: BuildCmd) ->BuildCmdId{
        BuildCmdId(LiveId::unique().0)
    }

    #[cfg(target_arch = "wasm32")]
    pub fn send_cmd_with_id(&self, cmd_id: BuildCmdId, cmd: BuildCmd){}
     
    pub fn handle_event(&mut self, cx: &mut Cx, event: &Event) -> Vec<LogItemWrap> {
        let mut a = Vec::new();
        self.handle_event_with(cx, event, &mut | _, v | a.push(v));
        a
    }
    
    pub fn handle_event_with(&mut self, cx: &mut Cx, event: &Event, dispatch_msg: &mut dyn FnMut(&mut Cx, LogItemWrap)) {
        match event {
            Event::Signal=>{
                loop {
                    match self.log_receiver.try_recv() {
                        Ok(msg) => dispatch_msg(cx, msg),
                        Err(TryRecvError::Empty) => break,
                        _ => panic!(),
                    }
                }
            }
            _ => {}
        }
    }
    
    #[cfg(target_arch = "wasm32")]
    pub fn new_with_local_server(_ubdir:&str) -> Self {
        let (cmd_sender, _cmd_receiver) = mpsc::channel();
        let msg_signal = LiveId::unique().into();
        let (_msg_sender, msg_receiver) = mpsc::channel();
        Self {
            cmd_sender,
            msg_signal,
            msg_receiver,
        }
    }
    
    #[cfg(not(target_arch = "wasm32"))]
    pub fn new_with_local_server(subdir:&str) -> Self {
        let (cmd_sender, cmd_receiver) = mpsc::channel();
        let log_signal = Signal::new();
        let (log_sender, log_receiver) = mpsc::channel();
        
        let base_path = env::current_dir().unwrap();
        let final_path = base_path.join(subdir.split('/').collect::<PathBuf>());
        
        let mut server = BuildServer::new(final_path);
        spawn_local_cmd_handler(
            cmd_receiver,
            server.connect(Box::new({
                let log_sender = log_sender.clone();
                let log_signal = log_signal.clone();
                move | log_item | {
                    log_sender.send(log_item).unwrap();
                    log_signal.set()
                }
            })),
        );
        /*spawn_connection_listener(TcpListener::bind("127.0.0.1:0").unwrap(), server);*/
        
        Self {
            cmd_sender,
            log_signal,
            log_receiver,
        }
    }
    
}
/*
fn spawn_connection_listener(listener: TcpListener, mut server: BuildServer) {
    thread::spawn(move || {
        log!("Builder Server listening on {}", listener.local_addr().unwrap());
        for stream in listener.incoming() {
            let stream = stream.unwrap();
            log!("Builder Incoming connection from {}", stream.peer_addr().unwrap());
            let (msg_sender, msg_receiver) = mpsc::channel();
            let connection = server.connect(Box::new({
                let msg_sender = msg_sender.clone();
                move | msg | {
                    msg_sender.send(msg).unwrap();
                }
            }));
            spawn_remote_cmd_handler(
                connection,
                stream.try_clone().unwrap(),
            );
            spawn_msg_sender(msg_receiver, stream);
        }
    });
}*/
/*
fn spawn_remote_cmd_handler(
    connection: BuildConnection,
    mut stream: TcpStream,
) {
    thread::spawn(move || loop {
        let mut len_bytes = [0; 4];
        stream.read_exact(&mut len_bytes).unwrap();
        let len = u32::from_be_bytes(len_bytes);
        let mut request_bytes = vec![0; len as usize];
        stream.read_exact(&mut request_bytes).unwrap();
        
        let cmd = DeBin::deserialize_bin(request_bytes.as_slice()).unwrap();
        
        connection.handle_cmd(cmd);
    });
}*/
/*
fn spawn_msg_sender(
    msg_receiver: Receiver<BuildMsgWrap>,
    mut stream: TcpStream,
) {
    thread::spawn(move || loop {
        let msg = msg_receiver.recv().unwrap();
        let mut msg_bytes = Vec::new();
        
        msg.ser_bin(&mut msg_bytes);
        
        let len_bytes = msg_bytes.len().to_be_bytes();
        stream.write_all(&len_bytes).unwrap();
        stream.write_all(&msg_bytes).unwrap();
    });
}

fn _spawn_cmd_sender(cmd_receiver: Receiver<BuildCmdWrap>, mut stream: TcpStream) {
    thread::spawn(move || loop {
        let cmd = cmd_receiver.recv().unwrap();
        let mut cmd_bytes = Vec::new();
        cmd.ser_bin(&mut cmd_bytes);
        let len_bytes = cmd_bytes.len().to_be_bytes();
        stream.write_all(&len_bytes).unwrap();
        stream.write_all(&cmd_bytes).unwrap();
    });
}

fn _spawn_msg_receiver(
    mut stream: TcpStream,
    msg_signal: Signal,
    msg_sender: Sender<BuildMsgWrap>,
) {
    thread::spawn(move || loop {
        let mut len_bytes = [0; 4];
        stream.read_exact(&mut len_bytes).unwrap();
        
        let len = u32::from_be_bytes(len_bytes);
        let mut msg_bytes = vec![0; len as usize];
        stream.read_exact(&mut msg_bytes).unwrap();
        
        let msg = DeBin::deserialize_bin(msg_bytes.as_slice()).unwrap();
        
        msg_sender.send(msg).unwrap();
        msg_signal.set()
    });
}
*/
fn spawn_local_cmd_handler(
    cmd_receiver: Receiver<BuildCmdWrap>,
    connection: BuildConnection,
) {
    thread::spawn(move || while let Ok(cmd) = cmd_receiver.recv() {
        connection.handle_cmd(cmd);
    });
}