package ghrecon

import (
	"fmt"

	"github.com/google/go-github/v72/github"
)

func (r Recon) Commits(username string) {
	PrintTitle("🐙 Commits")

	seenNames := make(map[string]struct{})
	seenEmails := make(map[string]struct{})
	var names, emails []string

	collect := func(order string) error {
		opts := &github.SearchOptions{
			Sort:        "author-date",
			Order:       order,
			ListOptions: github.ListOptions{PerPage: 100},
		}
		for page := 1; page <= 10; page++ {
			opts.ListOptions.Page = page
			result, resp, err := r.client.Search.Commits(
				r.ctx,
				fmt.Sprintf("author:%s", username),
				opts,
			)
			if err != nil {
				return fmt.Errorf("fetch page %d (%s): %w", page, order, err)
			}
			WaitForRateLimit(resp)
			if len(result.Commits) == 0 {
				break
			}
			for _, item := range result.Commits {
				a := item.Commit.GetAuthor()
				name := a.GetName()
				email := a.GetEmail()
				if _, seen := seenNames[name]; !seen {
					seenNames[name] = struct{}{}
					names = append(names, name)
					PrintInfo(
						"Name "+fmt.Sprint(len(names)),
						name,
						"from "+item.GetRepository().Owner.GetLogin()+"/"+item.GetRepository().
							GetName(),
					)
				}
				if _, seen := seenEmails[email]; !seen {
					seenEmails[email] = struct{}{}
					emails = append(emails, email)
					PrintInfo(
						"Email "+fmt.Sprint(len(emails)),
						email,
						"from "+item.GetRepository().Owner.GetLogin()+"/"+item.GetRepository().
							GetName(),
					)
				}
			}
		}
		return nil
	}

	if err := collect("desc"); err != nil {
		r.logger.Error("Failed to fetch commits", "err", err, "order", "desc")
	}
	if err := collect("asc"); err != nil {
		r.logger.Error("Failed to fetch commits", "err", err, "order", "asc")
	}
}