// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package integrations

import (
	"bytes"
	"net/http"
	"net/url"
	"testing"

	"github.com/stretchr/testify/assert"
)

func testRepoFork(t *testing.T, session *TestSession) {
	// Step0: check the existence of the to-fork repo
	req, err := http.NewRequest("GET", "/user1/repo1", nil)
	assert.NoError(t, err)
	resp := session.MakeRequest(t, req)
	assert.EqualValues(t, http.StatusNotFound, resp.HeaderCode)

	// Step1: go to the main page of repo
	req, err = http.NewRequest("GET", "/user2/repo1", nil)
	assert.NoError(t, err)
	resp = session.MakeRequest(t, req)
	assert.EqualValues(t, http.StatusOK, resp.HeaderCode)

	// Step2: click the fork button
	htmlDoc, err := NewHtmlParser(resp.Body)
	assert.NoError(t, err)
	link, exists := htmlDoc.doc.Find("a.ui.button[href^=\"/repo/fork/\"]").Attr("href")
	assert.True(t, exists, "The template has changed")
	req, err = http.NewRequest("GET", link, nil)
	assert.NoError(t, err)
	resp = session.MakeRequest(t, req)
	assert.EqualValues(t, http.StatusOK, resp.HeaderCode)

	// Step3: fill the form of the forking
	htmlDoc, err = NewHtmlParser(resp.Body)
	assert.NoError(t, err)
	link, exists = htmlDoc.doc.Find("form.ui.form[action^=\"/repo/fork/\"]").Attr("action")
	assert.True(t, exists, "The template has changed")
	req, err = http.NewRequest("POST", link,
		bytes.NewBufferString(url.Values{
			"_csrf":     []string{htmlDoc.GetInputValueByName("_csrf")},
			"uid":       []string{"1"},
			"repo_name": []string{"repo1"},
		}.Encode()),
	)
	assert.NoError(t, err)
	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
	resp = session.MakeRequest(t, req)
	assert.EqualValues(t, http.StatusFound, resp.HeaderCode)

	// Step4: check the existence of the forked repo
	req, err = http.NewRequest("GET", "/user1/repo1", nil)
	assert.NoError(t, err)
	resp = session.MakeRequest(t, req)
	assert.EqualValues(t, http.StatusOK, resp.HeaderCode)
}

func TestRepoFork(t *testing.T) {
	prepareTestEnv(t)
	session := loginUser(t, "user1", "password")
	testRepoFork(t, session)
}