doum-cli 0.3.2

AI-powered terminal assistant that helps you with command-line tasks.
Documentation 
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use anyhow::{Context, Result};
use std::path::PathBuf;

/// Returns the application directory path based on the operating system:
/// - Windows: C:\Users\{user}\AppData\Roaming\doum-cli
/// - macOS: ~/Library/Application Support/doum-cli
/// - Linux: ~/.config/doum-cli
pub fn get_app_dir() -> Result<PathBuf> {
    #[cfg(target_os = "windows")]
    {
        let appdata =
            std::env::var("APPDATA").context("Could not find APPDATA environment variable")?;
        Ok(PathBuf::from(appdata).join("doum-cli"))
    }

    #[cfg(target_os = "macos")]
    {
        let home = std::env::var("HOME").context("HOME environment variable not found")?;
        Ok(PathBuf::from(home).join("Library/Application Support/doum-cli"))
    }

    #[cfg(target_os = "linux")]
    {
        let home = std::env::var("HOME").context("HOME environment variable not found")?;
        let config_home =
            std::env::var("XDG_CONFIG_HOME").unwrap_or_else(|_| format!("{}/.config", home));
        Ok(PathBuf::from(config_home).join("doum-cli"))
    }

    #[cfg(not(any(target_os = "windows", target_os = "macos", target_os = "linux")))]
    {
        anyhow::bail!("Unsupported operating system for determining app directory")
    }
}

/// Returns the log directory path
pub fn get_log_dir() -> Result<PathBuf> {
    Ok(get_app_dir()?.join("logs"))
}

/// Returns the configuration file path
pub fn get_config_path() -> Result<PathBuf> {
    Ok(get_app_dir()?.join("config.toml"))
}