package httpd

import (
	"encoding/json"
	"net/http/httptest"
	"strings"
	"testing"

	"github.com/barerepo/server/internal/config"
)

func TestALargeFileClientIsToldWhyRatherThanGivenA404(t *testing.T) {
	for _, path := range []string{
		"/john/johnbot/info/lfs/objects/batch",
		"/john/johnbot.git/info/lfs/objects/batch",
		"/john/johnbot/info/lfs",
	} {
		r, ok := parseGitPath(path)
		if !ok || !r.LFS {
			t.Fatalf("parseGitPath(%q) did not recognise a large file request", path)
		}
		if r.Owner != "john" || r.Name != "johnbot" {
			t.Errorf("parseGitPath(%q) read %s/%s", path, r.Owner, r.Name)
		}
	}

	s := &Server{Cfg: config.Default()}
	w := httptest.NewRecorder()
	s.refuseLFS(w)
	if w.Code != 501 {
		t.Errorf("answered %d, want 501", w.Code)
	}
	if got := w.Header().Get("Content-Type"); got != "application/vnd.git-lfs+json" {
		t.Errorf("content type is %q, which git-lfs will not read as its own", got)
	}
	var body struct {
		Message string `json:"message"`
	}
	if err := json.Unmarshal(w.Body.Bytes(), &body); err != nil {
		t.Fatalf("the body is not json git-lfs can read: %v", err)
	}
	if !strings.Contains(body.Message, "off on this server") {
		t.Errorf("the message does not say why: %q", body.Message)
	}
}