shuvarie 0.2.2

Blazingly fast AI coding TUI for chivalrous people
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use clap::{
    Parser, Subcommand,
    builder::{
        Styles,
        styling::{AnsiColor, Style},
    },
};
use std::path::PathBuf;
use uuid::Uuid;

const STYLES: Styles = Styles::styled()
    .header(AnsiColor::BrightGreen.on_default().bold())
    .usage(Style::new().bold())
    .literal(AnsiColor::Cyan.on_default())
    .placeholder(AnsiColor::White.on_default());

#[derive(Parser)]
#[command(about, version, styles = STYLES)]
pub struct Cli {
    /// Resume the most recent session
    #[arg(short, long)]
    pub current: bool,
    /// Resume a session
    #[arg(short, long, conflicts_with = "current", value_name = "UUID")]
    pub session: Option<uuid::Uuid>,
    /// Use a certain config file
    #[arg(long, value_name = "FILE")]
    pub config: Option<PathBuf>,
    /// Run in a certain directory
    #[arg(value_name = "WORK_DIR")]
    pub dir: Option<PathBuf>,

    #[command(subcommand)]
    pub command: Option<CliSubcommand>,
}

#[derive(Subcommand)]
pub enum CliSubcommand {
    /// Import session
    Import {
        /// Path to session file
        #[arg(value_name = "FILE")]
        file: PathBuf,
    },
    /// Export session
    Export {
        /// Path to session file
        #[arg(value_name = "DEST")]
        dest: String,
    },
    /// Update to the latest release
    Update,
}

pub fn show_resume_hint(session_id: Uuid) {
    println!();
    println!("This session can be reopened with:");
    println!();
    println!("  shuvarie -s {session_id}");
}

pub async fn init_default_store() -> shuvarie_db::Result<shuvarie_db::Store> {
    shuvarie_db::Store::open(&shuvarie_db::Store::default_path()).await
}

pub async fn import_session(
    path: &std::path::Path,
) -> color_eyre::Result<()> {
    let mut store = init_default_store().await?;

    let json = std::fs::read_to_string(path)
        .map_err(|e| color_eyre::eyre::eyre!("read {}: {e}", path.display()))?;
    let file = shuvarie_db::SessionFile::from_json(&json)?;
    let id = store.import_session(&file).await?;
    println!("Imported session \"{}\"", file.session.title);
    show_resume_hint(id);
    Ok(())
}

pub async fn export_session(
    dest: &str,
    session: Option<Uuid>,
) -> color_eyre::Result<()> {
    let mut store = init_default_store().await?;

    let stored = match session {
        Some(id) => Some(store.load_session(id).await?),
        None => store.most_recent_session().await?,
    };
    let Some(stored) = stored else {
        return Err(color_eyre::eyre::eyre!("no sessions to export"));
    };
    let explicit = (!dest.is_empty()).then(|| PathBuf::from(dest));
    let path = shuvarie_db::session_file::resolve_export_path(explicit.as_deref(), stored.id);
    shuvarie_db::SessionFile::from_stored(&stored).write_json(&path)?;
    println!(
        "Session \"{}\" exported to {}",
        stored.title,
        path.display()
    );
    Ok(())
}