use doot_core::{
    Config,
    state::{Snapshot, StateStore},
};
use std::path::PathBuf;

#[tracing::instrument(skip_all, fields(name = %name))]
pub fn run(_config_path: Option<PathBuf>, name: String) -> anyhow::Result<()> {
    let config = Config::default();
    config.ensure_dirs()?;

    let mut state = StateStore::new(&config.state_file);

    tracing::debug!(
        state_file = %config.state_file.display(),
        snapshot_dir = %config.snapshot_dir.display(),
        "creating snapshot"
    );

    let state_content =
        std::fs::read_to_string(&config.state_file).unwrap_or_else(|_| "{}".to_string());
    let state_data: doot_core::state::store::State = serde_json::from_str(&state_content)?;

    Snapshot::create(&name, &state_data, &config.snapshot_dir)?;

    // Record snapshot in state
    state.add_snapshot(&name);
    state.save()?;

    println!("snapshot created: {}", name);
    println!("  deployments: {}", state_data.deployments.len());
    println!("  packages: {}", state_data.packages.len());

    Ok(())
}