//
use crate::{self as github, GithubState};
use git_next_core::git::{self, forge::commit::Status};
use github::GithubStatus;
use kxio::network;

/// Checks the results of any (e.g. CI) status checks for the commit.
///
/// GitHub: <https://docs.github.com/en/rest/commits/statuses?apiVersion=2022-11-28#list-commit-statuses-for-a-reference>
pub async fn status(github: &github::Github, commit: &git::Commit) -> git::forge::commit::Status {
    let repo_details = &github.repo_details;
    let hostname = repo_details.forge.hostname();
    let repo_path = &repo_details.repo_path;
    let url = network::NetUrl::new(format!(
        "https://api.{hostname}/repos/{repo_path}/commits/{commit}/statuses"
    ));
    let headers = github::webhook::headers(repo_details.forge.token());
    let request = network::NetRequest::new(
        network::RequestMethod::Get,
        url,
        headers,
        network::RequestBody::None,
        network::ResponseType::Json,
        None,
        network::NetRequestLogging::None,
    );
    let result = github.net.get::<Vec<GithubStatus>>(request).await;
    match result {
        Ok(response) => response
            .response_body()
            .and_then(|statuses| {
                statuses
                    .into_iter()
                    .map(|status| match status.state {
                        GithubState::Success => Status::Pass,
                        GithubState::Pending | GithubState::Blank => Status::Pending,
                        GithubState::Failure | GithubState::Error => Status::Fail,
                    })
                    .reduce(|l, r| match (l, r) {
                        (Status::Pass, Status::Pass) => Status::Pass,
                        (_, Status::Fail) | (Status::Fail, _) => Status::Fail,
                        (_, Status::Pending) | (Status::Pending, _) => Status::Pending,
                    })
            })
            .unwrap_or_else(|| {
                tracing::warn!("No status checks configured for 'next' branch",);
                Status::Pass
            }),
        Err(e) => {
            tracing::warn!(?e, "Failed to get commit status");
            Status::Pending // assume issue is transient and allow retry
        }
    }
}