// Package comment.
package p

import (
	"context"

	"github.com/shurcooL/issues"
)

func (s service) List(ctx context.Context, repo issues.RepoSpec, opt issues.IssueListOptions) ([]issues.Issue, error) {
	var is []issues.Issue

	dirs, err := readDirIDs(s.fs, issuesDir(repo))
	if err != nil {
		return is, err
	}
	for i := len(dirs); i > 0; i-- {
		dir := dirs[i-1]
		if !dir.IsDir() {
			continue
		}

		var issue issue
		err = jsonDecodeFile(s.fs, issueCommentPath(repo, dir.ID, 0), &issue)
		if err != nil {
			return is, err
		}

		if opt.State != issues.AllStates && issue.State != issues.State(opt.State) {
			continue
		}

		comments, err := readDirIDs(s.fs, issueDir(repo, dir.ID)) // Count comments.
		if err != nil {
			return is, err
		}
		author := issue.Author.UserSpec()
		var labels []issues.Label
		for _, l := range issue.Labels {
			labels = append(labels, issues.Label{
				Name:  l.Name,
				Color: l.Color.RGB(),
			})
		}
		is = append(is, issues.Issue{
			ID:     dir.ID,
			State:  issue.State,
			Title:  issue.Title,
			Labels: labels,
			Comment: issues.Comment{
				User:      s.user(ctx, author),
				CreatedAt: issue.CreatedAt,
			},
			Replies: len(comments) - 1,
		})
	}

	return is, nil
}

// Doesn't match because there's no generated comment.
// But we still need to read the entire file to be sure.