use crate::gitea_client::GiteaClient;
use crate::gitea_client::TreeFileReference;
use crate::in_repo_config::InRepoConfig;

pub(crate) async fn discover_webhook_bridge_config<O: AsRef<str>, R: AsRef<str>, C: AsRef<str>>(
    gitea: &GiteaClient,
    owner: O,
    repo: R,
    commit: C,
) -> Result<InRepoConfig, Box<dyn std::error::Error>> {
    let repo_tree = gitea.get_tree(owner, repo, commit).await?;
    let in_repo_config_reference = repo_tree
        .files
        .iter()
        .filter(|file_reference| file_reference.path == ".webhook_bridge/webhook_bridge.toml")
        .next()
        .ok_or("File not found in remote repo: .webhook_bridge/webhook_bridge.toml.")?;

    let in_repo_config_contents =
        String::from_utf8(gitea.read_file(in_repo_config_reference).await?)?;
    let parsed_in_repo_config = InRepoConfig::from_str(in_repo_config_contents)?;

    Ok(parsed_in_repo_config)
}