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use crate::client::init_client;
use crate::config::SharedConfig;
use crate::print_now;
use crate::render::render_stream;
use std::fs;
use std::io::Read;
use super::abort::SharedAbortSignal;
use anyhow::{bail, Context, Result};
use arboard::Clipboard;
use crossbeam::channel::Sender;
use crossbeam::sync::WaitGroup;
use std::cell::RefCell;
pub enum ReplCmd {
Submit(String),
SetModel(String),
SetRole(String),
UpdateConfig(String),
Prompt(String),
ClearRole,
ViewInfo,
StartSession(Option<String>),
EndSession,
Copy,
ReadFile(String),
}
pub struct ReplCmdHandler {
config: SharedConfig,
abort: SharedAbortSignal,
clipboard: std::result::Result<RefCell<Clipboard>, arboard::Error>,
}
impl ReplCmdHandler {
pub fn init(config: SharedConfig, abort: SharedAbortSignal) -> Result<Self> {
let clipboard = Clipboard::new().map(RefCell::new);
Ok(Self {
config,
abort,
clipboard,
})
}
pub fn handle(&self, cmd: ReplCmd) -> Result<()> {
match cmd {
ReplCmd::Submit(input) => {
if input.is_empty() {
return Ok(());
}
self.config.read().maybe_print_send_tokens(&input);
let wg = WaitGroup::new();
let client = init_client(self.config.clone())?;
let ret = render_stream(
&input,
client.as_ref(),
&self.config,
true,
self.abort.clone(),
wg.clone(),
);
wg.wait();
let buffer = ret?;
self.config.write().save_message(&input, &buffer)?;
if self.config.read().auto_copy {
let _ = self.copy(&buffer);
}
}
ReplCmd::SetModel(name) => {
self.config.write().set_model(&name)?;
print_now!("\n");
}
ReplCmd::SetRole(name) => {
let output = self.config.write().change_role(&name)?;
print_now!("{}\n\n", output.trim_end());
}
ReplCmd::ClearRole => {
self.config.write().clear_role()?;
print_now!("\n");
}
ReplCmd::Prompt(prompt) => {
self.config.write().add_prompt(&prompt)?;
print_now!("\n");
}
ReplCmd::ViewInfo => {
let output = self.config.read().info()?;
print_now!("{}\n\n", output.trim_end());
}
ReplCmd::UpdateConfig(input) => {
self.config.write().update(&input)?;
print_now!("\n");
}
ReplCmd::StartSession(name) => {
self.config.write().start_session(&name)?;
print_now!("\n");
}
ReplCmd::EndSession => {
self.config.write().end_session()?;
print_now!("\n");
}
ReplCmd::Copy => {
let reply = self
.config
.read()
.last_message
.as_ref()
.map(|v| v.1.clone())
.unwrap_or_default();
self.copy(&reply)
.with_context(|| "Failed to copy the last output")?;
print_now!("\n");
}
ReplCmd::ReadFile(file) => {
let mut contents = String::new();
let mut file = fs::File::open(file).with_context(|| "Unable to open file")?;
file.read_to_string(&mut contents)
.with_context(|| "Unable to read file")?;
self.handle(ReplCmd::Submit(contents))?;
}
}
Ok(())
}
fn copy(&self, text: &str) -> Result<()> {
match self.clipboard.as_ref() {
Err(err) => bail!("{}", err),
Ok(clip) => {
clip.borrow_mut().set_text(text)?;
Ok(())
}
}
}
}
pub struct ReplyStreamHandler {
sender: Sender<ReplyStreamEvent>,
buffer: String,
abort: SharedAbortSignal,
}
impl ReplyStreamHandler {
pub fn new(sender: Sender<ReplyStreamEvent>, abort: SharedAbortSignal) -> Self {
Self {
sender,
abort,
buffer: String::new(),
}
}
pub fn text(&mut self, text: &str) -> Result<()> {
if self.buffer.is_empty() && text == "\n\n" {
return Ok(());
}
self.buffer.push_str(text);
let ret = self
.sender
.send(ReplyStreamEvent::Text(text.to_string()))
.with_context(|| "Failed to send StreamEvent:Text");
self.safe_ret(ret)?;
Ok(())
}
pub fn done(&mut self) -> Result<()> {
let ret = self
.sender
.send(ReplyStreamEvent::Done)
.with_context(|| "Failed to send StreamEvent:Done");
self.safe_ret(ret)?;
Ok(())
}
pub fn get_buffer(&self) -> &str {
&self.buffer
}
pub fn get_abort(&self) -> SharedAbortSignal {
self.abort.clone()
}
fn safe_ret(&self, ret: Result<()>) -> Result<()> {
if ret.is_err() && self.abort.aborted() {
return Ok(());
}
ret
}
}
pub enum ReplyStreamEvent {
Text(String),
Done,
}
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