/*
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements.  See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You 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 cmd

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

	v1 "github.com/apache/camel-k/pkg/apis/camel/v1"
	"github.com/apache/camel-k/pkg/trait"
	"github.com/apache/camel-k/pkg/util/test"
	"github.com/spf13/cobra"
	"github.com/stretchr/testify/assert"
)

const cmdRun = "run"
const integrationSource = "example.js"

func initializeRunCmdOptions(t *testing.T) (*runCmdOptions, *cobra.Command, RootCmdOptions) {
	options, rootCmd := kamelTestPreAddCommandInit()
	runCmdOptions := addTestRunCmd(*options, rootCmd)
	kamelTestPostAddCommandInit(t, rootCmd)

	return runCmdOptions, rootCmd, *options
}

func addTestRunCmd(options RootCmdOptions, rootCmd *cobra.Command) *runCmdOptions {
	//add a testing version of run Command
	runCmd, runOptions := newCmdRun(&options)
	runCmd.RunE = func(c *cobra.Command, args []string) error {
		return nil
	}
	runCmd.PostRunE = func(c *cobra.Command, args []string) error {
		return nil
	}
	runCmd.Args = test.ArbitraryArgs
	rootCmd.AddCommand(runCmd)
	return runOptions
}

func TestRunNoFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, integrationSource)
	assert.Nil(t, err)
	//Check default expected values
	assert.Equal(t, false, runCmdOptions.Wait)
	assert.Equal(t, false, runCmdOptions.Logs)
	assert.Equal(t, false, runCmdOptions.Sync)
	assert.Equal(t, false, runCmdOptions.Dev)
	assert.Equal(t, true, runCmdOptions.UseFlows)
	assert.Equal(t, false, runCmdOptions.Compression)
	assert.Equal(t, true, runCmdOptions.CompressBinary)
	assert.Equal(t, false, runCmdOptions.Save)
}

func TestRunNonExistingFlag(t *testing.T) {
	_, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--nonExistingFlag", integrationSource)
	assert.NotNil(t, err)
}

func TestRunCompressBinaryFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--compress-binary=false", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, false, runCmdOptions.CompressBinary)
}

func TestRunCompressionFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--compression", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, true, runCmdOptions.CompressBinary)
}

func TestRunConfigMapFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--configmap", "configMap1",
		"--configmap", "configMap2",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.ConfigMaps, 2)
	assert.Equal(t, "configMap1", runCmdOptions.ConfigMaps[0])
	assert.Equal(t, "configMap2", runCmdOptions.ConfigMaps[1])
}

func TestRunDependencyFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--dependency", "dependency1",
		"--dependency", "dependency2",
		"--dependency", "dependency3",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Dependencies, 3)
	assert.Equal(t, "dependency1", runCmdOptions.Dependencies[0])
	assert.Equal(t, "dependency2", runCmdOptions.Dependencies[1])
	assert.Equal(t, "dependency3", runCmdOptions.Dependencies[2])
}

func TestRunDevFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--dev", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, true, runCmdOptions.Dev)
}

func TestRunEnvFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--env", "env1",
		"--env", "env2",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.EnvVars, 2)
	assert.Equal(t, "env1", runCmdOptions.EnvVars[0])
	assert.Equal(t, "env2", runCmdOptions.EnvVars[1])
}

func TestRunKitFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--kit", "myKit", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, "myKit", runCmdOptions.IntegrationKit)
}

func TestRunLabelFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--label", "label1=l1",
		"--label", "label2=l2",
		"--label", "label3=l3",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Labels, 3)
	assert.Equal(t, "label1=l1", runCmdOptions.Labels[0])
	assert.Equal(t, "label2=l2", runCmdOptions.Labels[1])
	assert.Equal(t, "label3=l3", runCmdOptions.Labels[2])
}

func TestRunLabelWrongFormatFlag(t *testing.T) {
	_, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--label", "label1", integrationSource)
	assert.NotNil(t, err)
}

func TestRunLoggingLevelFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--logging-level", "lev1",
		"--logging-level", "lev2",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.LoggingLevels, 2)
	assert.Equal(t, "lev1", runCmdOptions.LoggingLevels[0])
	assert.Equal(t, "lev2", runCmdOptions.LoggingLevels[1])
}

func TestRunLogsFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--logs", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, true, runCmdOptions.Logs)
}

func TestRunMavenRepositoryFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--maven-repository", "repo1",
		"--maven-repository", "repo2",
		"--maven-repository", "repo3",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Repositories, 3)
	assert.Equal(t, "repo1", runCmdOptions.Repositories[0])
	assert.Equal(t, "repo2", runCmdOptions.Repositories[1])
	assert.Equal(t, "repo3", runCmdOptions.Repositories[2])
}

func TestRunNameFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--name", "myIntegration", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, "myIntegration", runCmdOptions.IntegrationName)
}

func TestRunOpenApiFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--open-api", "oapi1",
		"--open-api", "oapi2",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.OpenAPIs, 2)
	assert.Equal(t, "oapi1", runCmdOptions.OpenAPIs[0])
	assert.Equal(t, "oapi2", runCmdOptions.OpenAPIs[1])
}

func TestRunOutputFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "-o", "yaml", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, "yaml", runCmdOptions.OutputFormat)
}

func TestRunProfileFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--profile", "myProfile", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, "myProfile", runCmdOptions.Profile)
}

func TestRunPropertyFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--property", "property1",
		"--property", "property2",
		"--property", "property3",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Properties, 3)
	assert.Equal(t, "property1", runCmdOptions.Properties[0])
	assert.Equal(t, "property2", runCmdOptions.Properties[1])
	assert.Equal(t, "property3", runCmdOptions.Properties[2])
}

func TestRunPropertyFileFlagMissingFileExtension(t *testing.T) {
	_, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--property-file", "file1",
		"--property-file", "file2",
		integrationSource)
	assert.NotNil(t, err)
}

const TestPropertyFileContent = `
a=b
c\=d=e
d=c\=e
#ignore=me
f=g\:h
`

func TestAddPropertyFile(t *testing.T) {
	var tmpFile *os.File
	var err error
	if tmpFile, err = ioutil.TempFile("", "camel-k-"); err != nil {
		t.Error(err)
	}

	assert.Nil(t, tmpFile.Close())
	assert.Nil(t, ioutil.WriteFile(tmpFile.Name(), []byte(TestPropertyFileContent), 0644))

	spec := v1.IntegrationSpec{}
	assert.Nil(t, addPropertyFile(tmpFile.Name(), &spec))
	assert.Equal(t, 4, len(spec.Configuration))
	assert.Equal(t, `a=b`, spec.Configuration[0].Value)
	assert.Equal(t, `c\=d=e`, spec.Configuration[1].Value)
	assert.Equal(t, `d=c\=e`, spec.Configuration[2].Value)
	assert.Equal(t, `f=g\:h`, spec.Configuration[3].Value)
}

func TestRunPropertyFileFlag(t *testing.T) {
	var tmpFile *os.File
	var err error
	if tmpFile, err = ioutil.TempFile("", "camel-k-*.properties"); err != nil {
		t.Error(err)
	}

	assert.Nil(t, tmpFile.Close())
	assert.Nil(t, ioutil.WriteFile(tmpFile.Name(), []byte(TestPropertyFileContent), 0644))

	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, errExecute := test.ExecuteCommand(rootCmd, cmdRun,
		"--property-file", tmpFile.Name(),
		integrationSource)
	assert.Nil(t, errExecute)
	assert.Len(t, runCmdOptions.PropertyFiles, 1)
	assert.Equal(t, tmpFile.Name(), runCmdOptions.PropertyFiles[0])
}

func TestRunResourceFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--resource", "res1",
		"--resource", "res2",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Resources, 2)
	assert.Equal(t, "res1", runCmdOptions.Resources[0])
	assert.Equal(t, "res2", runCmdOptions.Resources[1])
}

func TestRunSaveFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--save", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, true, runCmdOptions.Save)
}

func TestRunSecretFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--secret", "secret1",
		"--secret", "secret2",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Secrets, 2)
	assert.Equal(t, "secret1", runCmdOptions.Secrets[0])
	assert.Equal(t, "secret2", runCmdOptions.Secrets[1])
}

func TestRunSourceFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--source", "source1", integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Sources, 1)
	assert.Equal(t, "source1", runCmdOptions.Sources[0])
}

func TestRunSyncFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--sync", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, true, runCmdOptions.Sync)
}

func TestRunTraitFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"--trait", "trait1",
		"--trait", "trait2",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Traits, 2)
	assert.Equal(t, "trait1", runCmdOptions.Traits[0])
	assert.Equal(t, "trait2", runCmdOptions.Traits[1])
}

func TestConfigureTraits(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, "run",
		"--trait", "affinity.pod-affinity=false",
		"--trait", "container.probes-enabled=false",
		"--trait", "environment.container-meta=false",
		"--trait", "jvm.print-command=false",
		"--trait", "prometheus.service-monitor=false",
		"example.js")
	if err != nil {
		t.Error(err)
	}
	client, err := runCmdOptions.GetCmdClient()
	if err != nil {
		t.Error(err)
	}
	catalog := trait.NewCatalog(runCmdOptions.Context, client)

	traits, err := configureTraits(runCmdOptions.Traits, catalog)

	assert.Nil(t, err)
	assert.Len(t, traits, 5)
	assertTraitConfiguration(t, traits, "affinity", `{"podAffinity":false}`)
	assertTraitConfiguration(t, traits, "container", `{"probesEnabled":false}`)
	assertTraitConfiguration(t, traits, "environment", `{"containerMeta":false}`)
	assertTraitConfiguration(t, traits, "jvm", `{"printCommand":false}`)
	assertTraitConfiguration(t, traits, "prometheus", `{"serviceMonitor":false}`)
}

func assertTraitConfiguration(t *testing.T, traits map[string]v1.TraitSpec, trait string, expected string) {
	assert.Contains(t, traits, trait)
	assert.Equal(t, expected, string(traits[trait].Configuration.RawMessage))
}

func TestRunUseFlowsFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun, "--use-flows=false", integrationSource)
	assert.Nil(t, err)
	assert.Equal(t, false, runCmdOptions.UseFlows)
}

func TestRunVolumeFlag(t *testing.T) {
	runCmdOptions, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"-v", "pvcname:/container1/path",
		"-v", "pvcname:/container2/path",
		integrationSource)
	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Volumes, 2)
	assert.Equal(t, "pvcname:/container1/path", runCmdOptions.Volumes[0])
	assert.Equal(t, "pvcname:/container2/path", runCmdOptions.Volumes[1])
}

func TestRunVolumeFlagWrongPVCFormat(t *testing.T) {
	_, rootCmd, _ := initializeRunCmdOptions(t)
	_, err := test.ExecuteCommand(rootCmd, cmdRun,
		"-v", "pvcname",
		"-v", "pvcname/container2/path",
		integrationSource)
	assert.NotNil(t, err)
}

//
// This test does work when running as single test but fails
// otherwise as we are using a global viper instance
//

/*
const TestKamelConfigContent = `
kamel:
  install:
    olm: false
  run:
    integration:
      route:
        sources:
        - examples/dns.js
        - examples/Sample.java
`

func TestRunWithSavedValues(t *testing.T) {
	dir, err := ioutil.TempDir("", "run-")
	assert.Nil(t, err)

	defer func() {
		_ = os.RemoveAll(dir)
	}()

	assert.Nil(t, os.Setenv("KAMEL_CONFIG_PATH", dir))
	defer func() {
		_ = os.Unsetenv("KAMEL_CONFIG_PATH")
	}()

	assert.Nil(t, ioutil.WriteFile(path.Join(dir, "kamel-config.yaml"), []byte(TestKamelConfigContent), 0644))

	options, rootCmd := kamelTestPreAddCommandInit()

	runCmdOptions := addTestRunCmd(options, rootCmd)

	kamelTestPostAddCommandInit(t, rootCmd)

	_, err = test.ExecuteCommand(rootCmd, "run", "route.java")

	assert.Nil(t, err)
	assert.Len(t, runCmdOptions.Sources, 2)
}*/