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tui lib for nicer cli

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This commit is contained in:
Dhanji Prasanna
2025-10-01 11:19:34 +10:00
parent 5f642061de
commit 1621d081ec
4 changed files with 384 additions and 72 deletions
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2
crates/g3-cli/Cargo.toml
View File

@@ -19,3 +19,5 @@ dirs = "5.0"
tokio-util = "0.7"
indicatif = "0.17"
chrono = { version = "0.4", features = ["serde"] }
crossterm = "0.29.0"
termimad = "0.34.0"

126
crates/g3-cli/src/lib.rs
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@@ -8,6 +8,9 @@ use std::path::PathBuf;
use tokio_util::sync::CancellationToken;
use tracing::{error, info};
mod tui;
use tui::SimpleOutput;
#[derive(Parser)]
#[command(name = "g3")]
#[command(about = "A modular, composable AI coding agent")]
@@ -122,14 +125,16 @@ pub async fn run() -> Result<()> {
} else if let Some(task) = cli.task {
// Single-shot mode
info!("Executing task: {}", task);
let output = SimpleOutput::new();
let result = agent
.execute_task_with_timing(&task, None, false, cli.show_prompt, cli.show_code, true)
.await?;
println!("{}", result);
output.print_markdown(&result);
} else {
let output = SimpleOutput::new();
// Interactive mode (default)
info!("Starting interactive mode");
println!("📁 Workspace: {}", project.workspace().display());
output.print(&format!("📁 Workspace: {}", project.workspace().display()));
run_interactive(agent, cli.show_prompt, cli.show_code).await?;
}
@@ -137,29 +142,30 @@ pub async fn run() -> Result<()> {
}
async fn run_interactive(mut agent: Agent, show_prompt: bool, show_code: bool) -> Result<()> {
let output = SimpleOutput::new();
println!();
println!("🤖 G3 AI Coding Agent - Interactive Mode");
println!(
output.print("");
output.print("🤖 G3 AI Coding Agent - Interactive Mode");
output.print(
"I solve problems by writing and executing code. Tell me what you need to accomplish!"
);
println!();
output.print("");
// Display provider and model information
match agent.get_provider_info() {
Ok((provider, model)) => {
println!("🔧 Provider: {} | Model: {}", provider, model);
output.print(&format!("🔧 Provider: {} | Model: {}", provider, model));
}
Err(e) => {
error!("Failed to get provider info: {}", e);
}
}
println!();
println!("Type 'exit' or 'quit' to exit, use Up/Down arrows for command history");
println!("For multiline input: use \\ at the end of a line to continue");
println!("Submit multiline with Enter (without backslash)");
println!();
output.print("");
output.print("Type 'exit' or 'quit' to exit, use Up/Down arrows for command history");
output.print("For multiline input: use \\ at the end of a line to continue");
output.print("Submit multiline with Enter (without backslash)");
output.print("");
// Initialize rustyline editor with history
let mut rl = DefaultEditor::new()?;
@@ -180,7 +186,7 @@ async fn run_interactive(mut agent: Agent, show_prompt: bool, show_code: bool) -
loop {
// Display context window progress bar before each prompt
display_context_progress(&agent);
display_context_progress(&agent, &output);
// Adjust prompt based on whether we're in multi-line mode
let prompt = if in_multiline { "... > " } else { "g3> " };
@@ -220,7 +226,7 @@ async fn run_interactive(mut agent: Agent, show_prompt: bool, show_code: bool) -
}
// Process the multiline input
execute_task(&mut agent, &input, show_prompt, show_code).await;
execute_task(&mut agent, &input, show_prompt, show_code, &output).await;
} else {
// Single line input
let input = line.trim().to_string();
@@ -237,23 +243,23 @@ async fn run_interactive(mut agent: Agent, show_prompt: bool, show_code: bool) -
rl.add_history_entry(&input)?;
// Process the single line input
execute_task(&mut agent, &input, show_prompt, show_code).await;
execute_task(&mut agent, &input, show_prompt, show_code, &output).await;
}
}
Err(ReadlineError::Interrupted) => {
// Ctrl-C pressed
if in_multiline {
// Cancel multiline input
println!("Multi-line input cancelled");
output.print("Multi-line input cancelled");
multiline_buffer.clear();
in_multiline = false;
} else {
println!("CTRL-C");
output.print("CTRL-C");
}
continue;
}
Err(ReadlineError::Eof) => {
println!("CTRL-D");
output.print("CTRL-D");
break;
}
Err(err) => {
@@ -268,14 +274,14 @@ async fn run_interactive(mut agent: Agent, show_prompt: bool, show_code: bool) -
let _ = rl.save_history(history_path);
}
println!("👋 Goodbye!");
output.print("👋 Goodbye!");
Ok(())
}
async fn execute_task(agent: &mut Agent, input: &str, show_prompt: bool, show_code: bool) {
async fn execute_task(agent: &mut Agent, input: &str, show_prompt: bool, show_code: bool, output: &SimpleOutput) {
// Show thinking indicator immediately
print!("🤔 Thinking...");
std::io::stdout().flush().unwrap();
output.print("🤔 Thinking...");
// Note: flush is handled internally by println
// Create cancellation token for this request
let cancellation_token = CancellationToken::new();
@@ -290,16 +296,16 @@ async fn execute_task(agent: &mut Agent, input: &str, show_prompt: bool, show_co
}
_ = tokio::signal::ctrl_c() => {
cancel_token_clone.cancel();
println!("\n⚠️ Operation cancelled by user (Ctrl+C)");
output.print("\n⚠️ Operation cancelled by user (Ctrl+C)");
return;
}
};
match execution_result {
Ok(response) => println!("{}", response),
Ok(response) => output.print_markdown(&response),
Err(e) => {
if e.to_string().contains("cancelled") {
println!("⚠️ Operation cancelled by user");
output.print("⚠️ Operation cancelled by user");
} else {
error!("Error: {}", e);
}
@@ -307,24 +313,9 @@ async fn execute_task(agent: &mut Agent, input: &str, show_prompt: bool, show_co
}
}
fn display_context_progress(agent: &Agent) {
fn display_context_progress(agent: &Agent, output: &SimpleOutput) {
let context = agent.get_context_window();
let percentage = context.percentage_used();
// Create a simple visual progress bar using the requested characters (10 dots max)
let bar_width = 10;
let filled_width = ((percentage / 100.0) * bar_width as f32) as usize;
let empty_width = bar_width - filled_width;
let filled_chars = "●".repeat(filled_width);
let empty_chars = "○".repeat(empty_width);
let progress_bar = format!("{}{}", filled_chars, empty_chars);
// Print context info with visual progress bar
println!(
"Context: {} {:.1}% | {}/{} tokens",
progress_bar, percentage, context.used_tokens, context.total_tokens
);
output.print_context(context.used_tokens, context.total_tokens, context.percentage_used());
}
/// Set up the workspace directory for autonomous mode
@@ -342,10 +333,11 @@ fn setup_workspace_directory() -> Result<PathBuf> {
// Create the directory if it doesn't exist
if !workspace_dir.exists() {
std::fs::create_dir_all(&workspace_dir)?;
println!(
let output = SimpleOutput::new();
output.print(&format!(
"📁 Created workspace directory: {}",
workspace_dir.display()
);
));
}
Ok(workspace_dir)
@@ -359,14 +351,16 @@ async fn run_autonomous(
show_code: bool,
max_turns: usize,
) -> Result<()> {
println!("🤖 G3 AI Coding Agent - Autonomous Mode");
println!("📁 Using workspace: {}", project.workspace().display());
let output = SimpleOutput::new();
output.print("🤖 G3 AI Coding Agent - Autonomous Mode");
output.print(&format!("📁 Using workspace: {}", project.workspace().display()));
// Check if requirements exist
if !project.has_requirements() {
println!("❌ Error: requirements.md not found in workspace directory");
println!(" Please create a requirements.md file with your project requirements at:");
println!(" {}/requirements.md", project.workspace().display());
output.print("❌ Error: requirements.md not found in workspace directory");
output.print(" Please create a requirements.md file with your project requirements at:");
output.print(&format!(" {}/requirements.md", project.workspace().display()));
return Ok(());
}
@@ -374,20 +368,20 @@ async fn run_autonomous(
let requirements = match project.read_requirements()? {
Some(content) => content,
None => {
println!("❌ Error: Could not read requirements.md");
output.print("❌ Error: Could not read requirements.md");
return Ok(());
}
};
println!("📋 Requirements loaded from requirements.md");
println!("🔄 Starting coach-player feedback loop...");
output.print("📋 Requirements loaded from requirements.md");
output.print("🔄 Starting coach-player feedback loop...");
let mut turn = 1;
let mut coach_feedback = String::new();
let mut implementation_approved = false;
loop {
println!("\n=== TURN {}/{} - PLAYER MODE ===", turn, max_turns);
output.print(&format!("\n=== TURN {}/{} - PLAYER MODE ===", turn, max_turns));
// Player mode: implement requirements (with coach feedback if available)
let player_prompt = if coach_feedback.is_empty() {
@@ -402,13 +396,13 @@ async fn run_autonomous(
)
};
println!("🎯 Starting player implementation...");
output.print("🎯 Starting player implementation...");
let player_result = agent
.execute_task_with_timing(&player_prompt, None, false, show_prompt, show_code, true)
.await;
if let Err(e) = player_result {
println!("❌ Player implementation failed: {}", e);
output.print(&format!("❌ Player implementation failed: {}", e));
}
// Create a new agent instance for coach mode to ensure fresh context
@@ -418,7 +412,7 @@ async fn run_autonomous(
// Ensure coach agent is also in the workspace directory
project.enter_workspace()?;
println!("\n=== TURN {}/{} - COACH MODE ===", turn, max_turns);
output.print(&format!("\n=== TURN {}/{} - COACH MODE ===", turn, max_turns));
// Coach mode: critique the implementation
let coach_prompt = format!(
@@ -442,26 +436,26 @@ Keep your response concise and focused on actionable items.",
requirements
);
println!("🎓 Starting coach review...");
output.print("🎓 Starting coach review...");
let coach_result = coach_agent
.execute_task_with_timing(&coach_prompt, None, false, show_prompt, show_code, true)
.await?;
println!("🎓 Coach review completed");
println!("Coach feedback: {}", coach_result);
output.print("🎓 Coach review completed");
output.print(&format!("Coach feedback: {}", coach_result));
// Check if coach approved the implementation
if coach_result.contains("IMPLEMENTATION_APPROVED") {
println!("\n=== SESSION COMPLETED - IMPLEMENTATION APPROVED ===");
println!("✅ Coach approved the implementation!");
output.print("\n=== SESSION COMPLETED - IMPLEMENTATION APPROVED ===");
output.print("✅ Coach approved the implementation!");
implementation_approved = true;
break;
}
// Check if we've reached max turns
if turn >= max_turns {
println!("\n=== SESSION COMPLETED - MAX TURNS REACHED ===");
println!("⏰ Maximum turns ({}) reached", max_turns);
output.print("\n=== SESSION COMPLETED - MAX TURNS REACHED ===");
output.print(&format!("⏰ Maximum turns ({}) reached", max_turns));
break;
}
@@ -469,13 +463,13 @@ Keep your response concise and focused on actionable items.",
coach_feedback = coach_result;
turn += 1;
println!("🔄 Coach provided feedback for next iteration");
output.print("🔄 Coach provided feedback for next iteration");
}
if implementation_approved {
println!("\n🎉 Autonomous mode completed successfully");
output.print("\n🎉 Autonomous mode completed successfully");
} else {
println!("\n🔄 Autonomous mode completed (max iterations)");
output.print("\n🔄 Autonomous mode completed (max iterations)");
}
Ok(())

47
crates/g3-cli/src/tui.rs Normal file
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@@ -0,0 +1,47 @@
use crossterm::style::Color;
use termimad::MadSkin;
/// Simple output handler with markdown support
pub struct SimpleOutput {
mad_skin: MadSkin,
}
impl SimpleOutput {
pub fn new() -> Self {
let mut mad_skin = MadSkin::default();
// Configure termimad skin for better markdown rendering
mad_skin.set_headers_fg(Color::Cyan);
mad_skin.bold.set_fg(Color::Yellow);
mad_skin.italic.set_fg(Color::Magenta);
mad_skin.code_block.set_bg(Color::Rgb { r: 40, g: 40, b: 40 });
Self { mad_skin }
}
pub fn print(&self, text: &str) {
println!("{}", text);
}
pub fn print_markdown(&self, markdown: &str) {
self.mad_skin.print_text(markdown);
}
pub fn print_status(&self, status: &str) {
println!("📊 {}", status);
}
pub fn print_context(&self, used: u32, total: u32, percentage: f32) {
let bar_width = 10;
let filled_width = ((percentage / 100.0) * bar_width as f32) as usize;
let empty_width = bar_width - filled_width;
let filled_chars = "●".repeat(filled_width);
let empty_chars = "○".repeat(empty_width);
let progress_bar = format!("{}{}", filled_chars, empty_chars);
println!(
"Context: {} {:.1}% | {}/{} tokens",
progress_bar, percentage, used, total
);
}
}