package e2e

import (
	"net/http"
	"net/url"
	"os/exec"
	"strings"
	"testing"
)

// Chapter 21.2: the old name is never freed, or it inherits the old identity's threads and mentions.
func TestARenamedRepositoryNeverFreesItsOldName(t *testing.T) {
	if _, err := exec.LookPath("git"); err != nil {
		t.Skip("git is not installed")
	}
	in := newInstance(t)
	john := in.account("john")
	seed(t, in, john, "john", "johnbot")

	resp := post(t, in, "john", "/john/johnbot/rename", url.Values{"name": {"ircbot"}})
	if resp.StatusCode != http.StatusFound {
		t.Fatalf("the rename answered %d", resp.StatusCode)
	}
	// The old path redirects, which is what keeps every clone working. 44.2.
	code, _, _ := get(t, in.http.URL+"/john/johnbot")
	if code != http.StatusOK {
		t.Errorf("the old path answered %d instead of following the redirect", code)
	}

	// The form must not hand the old name to anybody, including the person who moved it.
	resp = post(t, in, "john", "/new", url.Values{"name": {"johnbot"}, "default_branch": {"master"}})
	if resp.StatusCode == http.StatusFound {
		t.Error("the form gave the old name back out, so the redirect now lies")
	}

	// Nor may a push take it, which is the other way a repository comes into being. Chapter 11.
	work := t.TempDir()
	run(t, work, "git", "init", "-q", "-b", "master", work)
	write(t, work, "f", "hi\n")
	run(t, work, "git", "add", "-A")
	run(t, work, "git", "commit", "-qm", "first")
	out, err := try(t, work, "git", "push", in.url(john, "/john/johnbot"), "master")
	if err == nil && !strings.Contains(out, "ircbot") {
		t.Errorf("a push claimed the old name instead of following the redirect:\n%s", out)
	}
}

// Chapter 44.4: a deleted repository keeps its name claimed while it waits out its window.
func TestADeletedNameIsNotHandedOutWhileItWaits(t *testing.T) {
	if _, err := exec.LookPath("git"); err != nil {
		t.Skip("git is not installed")
	}
	in := newInstance(t)
	john := in.account("john")
	seed(t, in, john, "john", "johnbot")

	resp := post(t, in, "john", "/john/johnbot/delete", url.Values{"confirm": {"johnbot"}})
	if resp.StatusCode != http.StatusFound {
		t.Fatalf("the delete answered %d", resp.StatusCode)
	}
	resp = post(t, in, "john", "/new", url.Values{"name": {"johnbot"}, "default_branch": {"master"}})
	if resp.StatusCode == http.StatusFound {
		t.Error("a name still in the trash window was handed straight back out")
	}
}