use crate::repository::Repository;
use libpijul::pristine::{MutTxnT, TxnT};
use libpijul::MutTxnTExt;
use std::path::PathBuf;
#[derive(Clap, Debug)]
pub struct Checkout {
    #[clap(long = "repository")]
    repo_path: Option<PathBuf>,
    channel: String,
}
impl Checkout {
    pub fn run(self) -> Result<(), anyhow::Error> {
        let mut repo = Repository::find_root(self.repo_path)?;
        debug!("{:?}", repo.config);
        let mut txn = repo.pristine.mut_txn_begin();
        if let Some(mut channel) = txn.load_channel(&self.channel) {
            txn.output_repository_no_pending(
                &mut repo.working_copy,
                &repo.changes,
                &mut channel,
                "",
                true,
            )?;
        }
        txn.commit()?;
        repo.config.current_channel = Some(self.channel);
        repo.save_config()?;
        Ok(())
    }
}

// org id VnAE9Yu4i4zOovZPrKRYRDk1jGBB+em9HeaWxWkG3/g=

// org id lPDV4YIiVBiingRq95QDZ6IYEG1JyKt+hIFtgUaxi1s=

                    // old: d[r].old,

                    // old: d[r].old,

                    // old: d[r].old,

// org id 3IBxNOy8oJr1ZUaJ80WRO/3lPXiYz8ywu43VF3bSJpc=

    // org id M4iVAW1I+Ie9+tzQ1i+i5rOAwbHzfevLSwkJvGWLcL8=

// org id b67uTPKfiYo9TYQBrOrAZD3cUgPMNdMRnuVQ4/wGPYE=

    let mut has_original_edge = false;

        if !previous.contains(EdgeFlags::BLOCK) && graph_key.start != del_key.start {
            // non-block edges don't propagate inside blocks, so we can't delete them.
            continue;
        }

                has_original_edge |= del_key.change == v.introduced_by;

    }
    if graph_key.start != del_key.start && !has_original_edge {
        deletion.edges_del.push(change::NewEdge {
            previous: EdgeFlags::BLOCK,
            flag: EdgeFlags::DELETED | EdgeFlags::BLOCK,
            from: del_key.start_pos().to_option(),
            to: del_key.to_option(),
            introduced_by: Some(del_key.change),
        })

// org id jdtaVKceDlq3ry0DaBgl4s1Mx9unkP4iGWVMtpAH1dQ=

        // org id YAADPxanxOxEOX6q2iJepCkCQrV6SceHbd/fqSzKzrw=

        // org id VMVYEtYydP6W9ybPW6P7dEEOd5etlX++6XN3ikoRr4A=

        // org id LrbVIzoeEbriE6CQeSz53sEJEg3zerWT+Qhj7yrpUNQ=

        // org id 4lWzAIoFc4bfLIp3eU6ZJT3mGYrbewhP+ZwP3t4HxVI=

                // old: old,

// org id gp0ql/wh1QgKCmbwEfDafpVFKaECHxS7WudiACH1hCQ=

    // org id oqcc+7DlI1Ck9ZACzf+xD+jtGyN/bekjVL30jxGhw/k=

    // org id Mm/Ry13zKcpDNDiLz+nKKueg1nU+NUCOkqa8u7GpI0k=

        // org id ar3vtE/7LtA1cZ0gaui3HDHLqUAEJLMb9F7ZqseKFoU=

        // org id jmcOZQ5XmFYGoRUnfVHWAA1oawNU4RePnjyAOjPSgzw=

        // org id BR6tLhX5u8/ePYba+R0cyvC0eEwvd6SgW3P0pvBFmIc=

// org id
// org id a6l+av327wOUrblVGZi9ccUrs0G07arCInmTgOveaNs=