package githubremote

import (
	"errors"

	"github.com/google/go-github/v58/github"
	"gitea.libretechconsulting.com/rmcguire/git-project-manager/internal/remotes/load"
	"gitea.libretechconsulting.com/rmcguire/git-project-manager/internal/remotes/remote"
)

const githubReposPerPage = 20

func (r *GithubRemote) StreamProjects(pi *load.ProgressInfo, opts *remote.RemoteQueryOpts) {
	defer close(pi.ProgressChan)
	defer close(pi.ProjectsChan)

	// Get projects. TODO support concurrency
	githubListOpts := github.ListOptions{
		Page:    1,
		PerPage: githubReposPerPage,
	}
	var githubRepoType string
	if opts.OwnerOnly {
		githubRepoType = "owner"
	} else {
		githubRepoType = "all"
	}
	for {
		repos, resp, err := r.api.Repositories.ListByAuthenticatedUser(
			r.info.Context(),
			&github.RepositoryListByAuthenticatedUserOptions{
				Type:        githubRepoType,
				ListOptions: githubListOpts,
			},
		)

		if err != nil {
			pi.ErrorChan <- err
			break
		} else if len(repos) < 1 {
			pi.ErrorChan <- errors.New("No github repos found")
			break
		}

		// Write updates to channels
		pi.ProjectsChan <- r.ReposToProjects(repos)
		pi.ProgressChan <- load.Progress{
			Page:          githubListOpts.Page,
			Pages:         resp.LastPage,
			Projects:      len(repos),
			TotalProjects: pi.NumProjects,
		}

		if resp.NextPage == 0 {
			break
		}

		githubListOpts.Page = resp.NextPage
	}

	pi.DoneChan <- nil
}