func allIssuesInRepo(client *github.Client, owner, repo string) []github.Issue {
	rate, _, err := client.RateLimits()
	if err != nil {
		fmt.Printf("error fetching rate limit (%v)\n", err)
	} else {
		fmt.Printf("API Rate Limit: %s\n", rate)
	}

	opt := &github.IssueListByRepoOptions{
		State: "all",
		ListOptions: github.ListOptions{
			PerPage: 100,
		},
	}
	var issues []github.Issue
	for i := 0; ; i++ {
		is, resp, err := client.Issues.ListByRepo(owner, repo, opt)
		if err != nil {
			fmt.Printf("error listing issues (%v)\n", err)
			os.Exit(1)
		}
		issues = append(issues, is...)
		if resp.NextPage == 0 {
			break
		}
		opt.ListOptions.Page = resp.NextPage
		fmt.Printf("list %d issues...\n", len(issues))
	}
	return issues
}

func printRateLimit(client github.Client) {
	rate, _, err := client.RateLimit()
	if err != nil {
		fmt.Println("Error fetching rate limit:", err)
	} else {
		remaining := int(rate.Reset.Sub(time.Now()).Seconds())
		mins := remaining / 60
		secs := remaining % 60
		fmt.Printf("API Rate Limit: %d/%d remaining for %dm %ds \n\n", rate.Remaining, rate.Limit, mins, secs)
	}
}

func AsciiCat(cl *github.Client) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		msg := "Hello, Go In 5 Minutes Viewer!"
		cat, _, err := cl.Octocat(msg)
		if err != nil {
			jsonErr(w, http.StatusInternalServerError, err)
			return
		}
		w.WriteHeader(http.StatusOK)
		w.Write([]byte(cat))
	})
}

func exceededRateLimit(client *github.Client) bool {
	rate, _, err := client.RateLimit()
	if err != nil {
		fmt.Printf("Error checking rate limit: %s\n", err)
		return false
	}
	// Check for a margin sufficient to run both examples.
	if rate.Remaining < 4 {
		fmt.Printf("Exceeded (or almost exceeded) GitHub API rate limit: %s. Try again later.\n", rate)
		return true
	}
	return false
}

func GetHookSchema(c *github.Client, name string) (*HookSchema, *github.Response, error) {
	req, err := c.NewRequest("GET", fmt.Sprintf("hooks/%v", name), nil)
	if err != nil {
		return nil, nil, err
	}
	hookSchema := new(HookSchema)
	resp, err := c.Do(req, hookSchema)
	if err != nil {
		return nil, resp, err
	}

	return hookSchema, resp, err
}

func GetHookSchemas(c *github.Client) ([]HookSchema, *github.Response, error) {
	req, err := c.NewRequest("GET", "hooks", nil)
	if err != nil {
		return nil, nil, err
	}
	hookSchemas := new([]HookSchema)
	resp, err := c.Do(req, hookSchemas)
	if err != nil {
		return nil, resp, err
	}

	return *hookSchemas, resp, err
}

func GitCommitStatuses(client *github.Client, owner, repo, sha string) (interface{}, *github.Response, error) {

	u := fmt.Sprintf("repos/%v/%v/commits/%v/statuses", owner, repo, sha)
	req, err := client.NewRequest("GET", u, nil)
	if err != nil {
		return nil, nil, err
	}

	var c interface{}
	resp, err := client.Do(req, &c)
	if err != nil {
		return nil, resp, err
	}
	return c, resp, err
}

func simulateAPIRequest(t *testing.T, c *gh.Client) []*http.Request {
	var requests []*http.Request
	mux := http.NewServeMux()
	mux.HandleFunc("/rate_limit", func(w http.ResponseWriter, req *http.Request) {
		requests = append(requests, req)
		w.Write([]byte("{}"))
	})

	srv := httptest.NewServer(mux)
	defer srv.Close()

	c.BaseURL, _ = url.Parse(srv.URL)
	if _, _, err := c.RateLimits(); err != nil {
		t.Fatalf("failed to retrieve rate limits; %v", err)
	}
	return requests
}

func PutGitCommitStatus(client *github.Client, owner, repo, sha string, body *CommitStatus) (interface{}, *github.Response, error) {

	u := fmt.Sprintf("repos/%v/%v/statuses/%v", owner, repo, sha)

	if body == nil {
		body = &CommitStatus{}
	}

	req, err := client.NewRequest("POST", u, body)
	if err != nil {
		return nil, nil, err
	}

	var c interface{}
	resp, err := client.Do(req, c)
	if err != nil {
		return nil, resp, err
	}

	return c, resp, err
}

func DownloadAsset(client *github.Client, asset *github.ReleaseAsset) error {
	req, _ := client.NewRequest("GET", *asset.URL, nil)
	req.Header.Set("Accept", "application/octet-stream")

	apiResponse, err := client.Do(req, nil)

	assetResponse, err := http.Get(apiResponse.Response.Request.URL.String())

	if err != nil {
		return err
	}

	f, err := os.Create(flags.Output)

	if err != nil {
		return err
	}

	defer f.Close()
	io.Copy(f, assetResponse.Body)

	return nil
}