/*
 * Copyright (C) 2017-2018 "IoT.bzh"
 * Author Clément Bénier <clement.benier@iot.bzh>
 *
 * 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 xdsservertest

import (
	"os"
	"path"
	"regexp"
	"testing"
	"time"

	"gerrit.automotivelinux.org/gerrit/src/xds/xds-server/lib/xsapiv1"
	"github.com/stretchr/testify/assert"
)

func ConnectSDKStateChange(t *testing.T, sCli *IOSockClient, channel chan xsapiv1.SDK) {

	sCli.Conn.On(xsapiv1.EVTSDKStateChange, func(e xsapiv1.EventMsg) {
		sdk, _ := e.DecodeSDKEvent()
		channel <- sdk
	})

	args := xsapiv1.EventRegisterArgs{Name: xsapiv1.EVTSDKStateChange}
	assert.Nil(t, HTTPCli.Post("/events/register", args, nil))
}

func TestSdks(t *testing.T) {
	var sdkArray []xsapiv1.SDK
	assert.Nil(t, HTTPCli.Get("/sdks", &sdkArray))
	_, err := os.Stat(path.Join(sdkDir, "sdks_latest.json"))
	assert.Nil(t, err)
	t.Logf("Connect websocket with url=%v clientId=%v\n", prefixURL, HTTPCli.GetClientID())

	chSdks := make(chan xsapiv1.SDK)
	ConnectSDKStateChange(t, sCli, chSdks)

	for i := 0; i < len(sdkArray); i++ {
		re := regexp.MustCompile("^[0-9a-z]+-[0-9a-z]+-[0-9a-z]+-[0-9a-z]+-[0-9a-z]+$")
		assert.True(t, re.MatchString(sdkArray[i].ID))
		assert.Equal(t, sdkArray[0].Status, "Not Installed")

		var sdk xsapiv1.SDK
		assert.Nil(t, HTTPCli.Get("/sdks/"+sdkArray[i].ID, &sdk))
		assert.Equal(t, sdkArray[i], sdk)

		var sdkRes xsapiv1.SDK
		assert.Nil(t, HTTPCli.Post("/sdks", sdk, &sdkRes))
		assert.Equal(t, sdkRes.Status, "Installing")
		time.Sleep(1 * time.Millisecond)
		assert.Nil(t, HTTPCli.Post("/sdks/abortinstall", sdk, &sdkRes))
		assert.Equal(t, sdkRes.Status, "Not Installed")
		time.Sleep(1 * time.Millisecond)
		sdkFromEvent := <-chSdks
		assert.Equal(t, sdkRes.ID, sdkFromEvent.ID)
		assert.Equal(t, sdkRes.Status, sdkFromEvent.Status)
	}
}

func installFakeSdk(t *testing.T, sdkInstall xsapiv1.SDKInstallArgs, chSdks chan xsapiv1.SDK) xsapiv1.SDK {
	var sdkRes xsapiv1.SDK
	assert.Nil(t, HTTPCli.Post("/sdks", sdkInstall, &sdkRes))
	assert.Equal(t, sdkRes.Status, "Installing")
	/*waiting for SDKStateChange event from channel*/
	sdkFromEvent := <-chSdks
	t.Log(sdkFromEvent)
	assert.Equal(t, sdkRes.ID, sdkFromEvent.ID)
	assert.Equal(t, "Installed", sdkFromEvent.Status)
	return sdkFromEvent
}

func TestInstallFakeSdk(t *testing.T) {
	sdk := xsapiv1.SDKInstallArgs{
		ID:       "",
		Filename: sdkFileName,
		Force:    false,
	}

	chSdks := make(chan xsapiv1.SDK)
	ConnectSDKStateChange(t, sCli, chSdks)
	installFakeSdk(t, sdk, chSdks)
	var sdkRes xsapiv1.SDK
	assert.NotNil(t, HTTPCli.Post("/sdks", sdk, &sdkRes))
	sdk.Force = true
	//installFakeSdk(t, sdk, chSdks)
}

func TestSdksError(t *testing.T) {
	sdk := xsapiv1.SDKInstallArgs{
		ID:       "",
		Filename: "",
		Force:    false,
	}
	var sdkRes xsapiv1.SDK
	assert.NotNil(t, HTTPCli.Post("/sdks", sdk, &sdkRes))
	sdk.ID = "42885c24-374e-3ef0-9723-0ce8a05191aa"
	assert.NotNil(t, HTTPCli.Post("/sdks", sdk, &sdkRes))
	sdk.Filename = "fake"
	assert.NotNil(t, HTTPCli.Post("/sdks", sdk, &sdkRes))
}