/*
 Copyright 2020 Qiniu Cloud (qiniu.com)

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
*/

package prow

import (
	"io/ioutil"
	"os"
	"path"
	"testing"

	"github.com/sirupsen/logrus"
	"github.com/stretchr/testify/assert"

	"github.com/qiniu/goc/pkg/github"
	"github.com/qiniu/goc/pkg/qiniu"
)

func TestTrimGhFileToProfile(t *testing.T) {
	items := []struct {
		inputFiles  []string
		expectFiles []string
	}{
		{
			inputFiles:  []string{"src/qiniu.com/kodo/io/io/io_svr.go", "README.md"},
			expectFiles: []string{"qiniu.com/kodo/io/io/io_svr.go", "README.md"},
		},
	}

	for _, tc := range items {
		f := trimGhFileToProfile(tc.inputFiles)
		assert.Equal(t, f, tc.expectFiles)
	}
}

func setup(path, content string) {
	err := ioutil.WriteFile(path, []byte(content), 0644)
	if err != nil {
		logrus.WithError(err).Fatalf("write file %s failed", path)
	}
}

func TestWriteChangedCov(t *testing.T) {
	path := "local.cov"
	savePath := qiniu.ChangedProfileName
	content := `mode: atomic
qiniu.com/kodo/bd/bdgetter/source.go:19.118,22.2 2 0
qiniu.com/kodo/bd/bdgetter/source.go:37.34,39.2 1 0
qiniu.com/kodo/bd/pfd/locker/app/qboxbdlocker/main.go:50.2,53.52 4 1
qiniu.com/kodo/bd/pfd/locker/bdlocker/locker.go:33.51,35.2 1 0`
	changedFiles := []string{"qiniu.com/kodo/bd/pfd/locker/bdlocker/locker.go"}
	expectContent := `mode: atomic
qiniu.com/kodo/bd/pfd/locker/bdlocker/locker.go:33.51,35.2 1 0
`

	setup(path, content)
	defer os.Remove(path)
	defer os.Remove(savePath)
	j := &Job{
		LocalProfilePath: path,
		LocalArtifacts:   &qiniu.Artifacts{ChangedProfileName: savePath},
	}
	j.WriteChangedCov(changedFiles)

	r, err := ioutil.ReadFile(savePath)
	if err != nil {
		logrus.WithError(err).Fatalf("read file %s failed", path)
	}
	assert.Equal(t, string(r), expectContent)
}

func TestRunPresubmitFulldiff(t *testing.T) {
	//param
	org := "qbox"
	repo := "kodo"
	prNum := "1"
	buildId := "1266322425771986946"
	jobName := "kodo-pull-integration-test"
	robotName := "qiniu-bot"
	githubCommentPrefix := ""
	githubTokenPath := "token"

	//mock local profile
	pwd, err := os.Getwd()
	if err != nil {
		logrus.WithError(err).Fatalf("get pwd failed")
	}
	localPath := "local.cov"
	localProfileContent := `mode: atomic
"qiniu.com/kodo/apiserver/server/main.go:32.49,33.13 1 30
"qiniu.com/kodo/apiserver/server/main.go:42.49,43.13 1 0`
	setup(localPath, localProfileContent)
	defer os.Remove(path.Join(pwd, localPath))

	// mock qiniu
	conf := qiniu.Config{
		Bucket: "artifacts",
	}
	qc, router, _, teardown := qiniu.MockQiniuServer(&conf)
	defer teardown()
	qiniu.MockRouterAPI(router, localProfileContent)

	ChangedProfilePath := "changed.cov"
	defer os.Remove(path.Join(pwd, ChangedProfilePath))

	//mock github client
	setup(githubTokenPath, "")
	defer os.Remove(path.Join(pwd, githubTokenPath))
	prClient := github.NewPrClient(githubTokenPath, org, repo, prNum, robotName, githubCommentPrefix)

	j := &Job{
		JobName:                jobName,
		Org:                    org,
		RepoName:               repo,
		PRNumStr:               prNum,
		BuildId:                buildId,
		PostSubmitJob:          "kodo-postsubmits-go-st-coverage",
		PostSubmitCoverProfile: "filterd.cov",
		LocalProfilePath:       localPath,
		LocalArtifacts:         &qiniu.Artifacts{ChangedProfileName: ChangedProfilePath},
		QiniuClient:            qc,
		GithubComment:          prClient,
		FullDiff:               true,
	}
	defer os.Remove(path.Join(os.Getenv("ARTIFACTS"), j.HtmlProfile()))

	j.RunPresubmit()
}