package web

import (
	"net/http"
	"strings"
	"testing"
)

func TestCommitsListAndPrivateGate(t *testing.T) {
	httpServer, _, dataDir := newTestServer(t)
	loggedIn := newLoggedInClient(t, httpServer)
	createRepo(t, loggedIn, httpServer, "pub", "public")
	createRepo(t, loggedIn, httpServer, "sec", "private")
	seedFiles(t, dataDir, "pub")
	seedFiles(t, dataDir, "sec")

	resp, err := (&http.Client{}).Get(httpServer.URL + "/josie/pub/commits")
	if err != nil {
		t.Fatalf("GET commits: %v", err)
	}
	body := readAll(t, resp)
	if resp.StatusCode != http.StatusOK || !strings.Contains(body, "seed") {
		t.Fatalf("commits page = %d, want 200 with subject: %q", resp.StatusCode, body)
	}
	if !strings.Contains(body, "/josie/pub/commit/") {
		t.Error("no commit links")
	}

	resp, err = noFollowClient().Get(httpServer.URL + "/josie/sec/commits")
	if err != nil {
		t.Fatalf("GET private commits: %v", err)
	}
	readAll(t, resp)
	if resp.StatusCode != http.StatusNotFound {
		t.Errorf("anonymous private commits = %d, want 404 (no existence oracle)", resp.StatusCode)
	}

	resp, err = (&http.Client{}).Get(httpServer.URL + "/josie/pub/commits/nosuchbranch")
	if err != nil {
		t.Fatalf("GET bad ref: %v", err)
	}
	readAll(t, resp)
	if resp.StatusCode != http.StatusNotFound {
		t.Errorf("bad ref = %d, want 404", resp.StatusCode)
	}
}

func TestCommitView(t *testing.T) {
	httpServer, _, dataDir := newTestServer(t)
	loggedIn := newLoggedInClient(t, httpServer)
	createRepo(t, loggedIn, httpServer, "pub", "public")
	seedFiles(t, dataDir, "pub")

	resp, err := (&http.Client{}).Get(httpServer.URL + "/josie/pub/commits")
	if err != nil {
		t.Fatalf("GET commits: %v", err)
	}
	listing := readAll(t, resp)
	start := strings.Index(listing, "/josie/pub/commit/")
	if start < 0 {
		t.Fatal("no commit link to follow")
	}
	rest := listing[start:]
	sha := rest[len("/josie/pub/commit/"):]
	sha = sha[:strings.IndexByte(sha, '"')]

	resp, err = (&http.Client{}).Get(httpServer.URL + sha2href(sha))
	if err != nil {
		t.Fatalf("GET commit: %v", err)
	}
	body := readAll(t, resp)
	if resp.StatusCode != http.StatusOK {
		t.Fatalf("commit view = %d", resp.StatusCode)
	}
	for _, want := range []string{"seed", sha, "README", "browse files at this commit"} {
		if !strings.Contains(body, want) {
			t.Errorf("commit view lacks %q", want)
		}
	}

	resp, err = (&http.Client{}).Get(httpServer.URL + "/josie/pub/commit/notahex!")
	if err != nil {
		t.Fatalf("GET bad sha: %v", err)
	}
	readAll(t, resp)
	if resp.StatusCode != http.StatusNotFound {
		t.Errorf("bad sha = %d, want 404", resp.StatusCode)
	}
	resp, err = (&http.Client{}).Get(httpServer.URL + "/josie/pub/commit/0000000000000000000000000000000000000000")
	if err != nil {
		t.Fatalf("GET missing sha: %v", err)
	}
	readAll(t, resp)
	if resp.StatusCode != http.StatusNotFound {
		t.Errorf("missing sha = %d, want 404", resp.StatusCode)
	}
}

func sha2href(sha string) string { return "/josie/pub/commit/" + sha }