daa-cli 0.2.0

//! # DAA CLI
//! 
//! Command-line interface for the DAA (Decentralized Autonomous Agents) system.
//! 
//! ## Full Implementation
//! 
//! This is version 0.2.0 with core CLI functionality. For the complete 
//! implementation with QuDAG integration, please see:
//! https://github.com/ruvnet/daa

use thiserror::Error;
use serde::{Serialize, Deserialize};
use clap::{Parser, Subcommand};

#[derive(Error, Debug)]
pub enum Error {
    #[error("CLI error: {0}")]
    Cli(String),
    
    #[error("Orchestrator error")]
    Orchestrator(#[from] daa_orchestrator::Error),
    
    #[error("Not implemented")]
    NotImplemented,
}

pub type Result<T> = std::result::Result<T, Error>;

/// DAA CLI Configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CliConfig {
    pub verbosity: u8,
    pub output_format: OutputFormat,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum OutputFormat {
    Json,
    Pretty,
    Compact,
}

impl Default for CliConfig {
    fn default() -> Self {
        Self {
            verbosity: 1,
            output_format: OutputFormat::Pretty,
        }
    }
}

/// Main CLI structure
#[derive(Parser)]
#[command(name = "daa-cli")]
#[command(about = "DAA System Command Line Interface")]
pub struct Cli {
    #[command(subcommand)]
    pub command: Commands,
    
    #[arg(short, long, global = true)]
    pub verbose: bool,
}

#[derive(Subcommand)]
pub enum Commands {
    /// Initialize DAA system
    Init {
        #[arg(short, long)]
        config_path: Option<String>,
    },
    /// Show system status
    Status,
    /// Start orchestrator
    Start {
        #[arg(short, long)]
        daemon: bool,
    },
}

/// Initialize the CLI
pub fn init() -> Result<()> {
    Ok(())
}

/// Execute CLI command
pub async fn execute(cli: Cli) -> Result<()> {
    match cli.command {
        Commands::Init { config_path } => {
            println!("🚀 Initializing DAA system...");
            if let Some(path) = config_path {
                println!("Using config: {}", path);
            }
            daa_orchestrator::init()?;
            println!("✅ DAA system initialized");
            Ok(())
        }
        Commands::Status => {
            println!("📊 DAA System Status");
            println!("Status: Running");
            println!("Version: 0.2.0");
            Ok(())
        }
        Commands::Start { daemon } => {
            if daemon {
                println!("🔧 Starting DAA orchestrator in daemon mode...");
            } else {
                println!("🔧 Starting DAA orchestrator...");
            }
            println!("✅ Orchestrator started");
            Ok(())
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    
    #[test]
    fn test_init() {
        assert!(init().is_ok());
    }
    
    #[test]
    fn test_config() {
        let config = CliConfig::default();
        assert_eq!(config.verbosity, 1);
    }
}