use crate::parser::{GitReceivePackArgs, GitUploadPackArgs};
use crate::ShackleError;

use git2::{Repository, RepositoryInitOptions};
use std::{path::PathBuf, process::Command};

pub fn init(repo_name: &str) -> Result<(), ShackleError> {
    let mut path = PathBuf::from("git");
    path.push(repo_name);
    path.set_extension("git");

    Repository::init_opts(
        path,
        &RepositoryInitOptions::new()
            .bare(true)
            .mkdir(true)
            .no_reinit(true),
    )?;
    Ok(())
}

pub fn upload_pack(upload_pack_args: &GitUploadPackArgs) -> Result<(), ShackleError> {
    let mut command = Command::new("git-upload-pack");

    if upload_pack_args.strict {
        command.arg("strict");
    }
    if upload_pack_args.no_strict {
        command.arg("no-strict");
    }
    if let Some(timeout) = upload_pack_args.timeout {
        command.args(["timeout", &timeout.to_string()]);
    }
    if upload_pack_args.stateless_rpc {
        command.arg("stateless-rpc");
    }
    if upload_pack_args.advertise_refs {
        command.arg("advertise-refs");
    }

    command.arg(&upload_pack_args.directory);

    command.spawn()?.wait()?;
    Ok(())
}

pub fn receive_pack(receive_pack_args: &GitReceivePackArgs) -> Result<(), ShackleError> {
    let mut command = Command::new("git-receive-pack");

    if receive_pack_args.http_backend_info_refs {
        command.arg("--http-backend-info-refs");
    }

    command.arg(&receive_pack_args.directory);

    command.spawn()?.wait()?;
    Ok(())
}