package webapiserverless

import (
	"testing"
	"time"

	"github.com/samber/lo"
	"github.com/spf13/viper"
	"github.com/stretchr/testify/suite"

	"github.com/tidbcloud/tidb-management-service/functional-test/pkg/coreportalapi"
	"github.com/tidbcloud/tidb-management-service/functional-test/pkg/coreportalapi/model"
	"github.com/tidbcloud/tidb-management-service/functional-test/pkg/serverlesssvc"
	serverlessmodel "github.com/tidbcloud/tidb-management-service/functional-test/pkg/serverlesssvc/model"
	"github.com/tidbcloud/tidb-management-service/functional-test/pkg/tidbcloudlogin"
	"github.com/tidbcloud/tidb-management-service/utilities/randstr"
)

func TestServerlessClusterUsage(t *testing.T) {
	testSuite := &TestServerlessClusterUsageSuite{
		WebApiLoginContext: &tidbcloudlogin.WebApiLoginContext{
			Host:              viper.GetString("host"),
			Auth0Domain:       viper.GetString("auth0_domain"),
			Auth0ClientID:     viper.GetString("auth0_client_id"),
			Auth0ClientSecret: viper.GetString("auth0_client_secret"),
			UserEmail:         viper.GetString("user_email"),
			BearerToken:       viper.GetString("bearer_token"),
		},

		orgID:             viper.GetString("org_id"),
		prjID:             viper.GetString("prj_id"),
		clusterNamePrefix: viper.GetString("cluster_name_prefix"),

		nodeProfileName: "Shared0",
		provider:        "aws",
		region:          "us-east-1",
		password:        randstr.GenWithCharset(16, randstr.AlphabetCharset),
		spendLimit:      1000, // 10 USD
	}

	testSuite.clusterName = testSuite.clusterNamePrefix + randstr.GenWithCharset(4, randstr.AlphabetCharset)
	testSuite.components = []*model.CentralClusterComponent{
		{
			ComponentType:   lo.ToPtr(model.CentralComponentTypeCOMPONENTTYPETIDB),
			NodeProfileName: lo.ToPtr(testSuite.nodeProfileName),
			Replicas:        lo.ToPtr(int32(1)),
			StorageSizeGi:   lo.ToPtr(int32(0)),
		},
		{
			ComponentType:   lo.ToPtr(model.CentralComponentTypeCOMPONENTTYPETIKV),
			NodeProfileName: lo.ToPtr(testSuite.nodeProfileName),
			Replicas:        lo.ToPtr(int32(1)),
			StorageSizeGi:   lo.ToPtr(int32(1)),
		},
		{
			ComponentType:   lo.ToPtr(model.CentralComponentTypeCOMPONENTTYPETIFLASH),
			NodeProfileName: lo.ToPtr(testSuite.nodeProfileName),
			Replicas:        lo.ToPtr(int32(1)),
			StorageSizeGi:   lo.ToPtr(int32(1)),
		},
	}

	suite.Run(t, testSuite)
}

type TestServerlessClusterUsageSuite struct {
	suite.Suite

	*tidbcloudlogin.WebApiLoginContext

	orgID             string
	prjID             string
	clusterNamePrefix string

	nodeProfileName string
	provider        string
	region          string
	password        string
	clusterName     string
	components      []*model.CentralClusterComponent
	spendLimit      int64

	serverlessCli *serverlesssvc.Cli
	cmCli         *coreportalapi.Cli

	clusterID  string
	userPrefix string
}

func (su *TestServerlessClusterUsageSuite) TearDownSuite() {
	if su.clusterID != "" {
		su.cmCli.EnsureDeleteCluster(su.orgID, su.prjID, su.clusterName)
	}
}

func (su *TestServerlessClusterUsageSuite) Test_01_LoginAndInitializeClient() {
	token, err := su.LoginAndGetToken(su.orgID)
	su.Require().NoError(err)

	su.cmCli, err = coreportalapi.NewClient(&su.Suite, su.Host, token)
	su.Require().NoError(err)
	su.Require().NotNil(su.cmCli)

	su.serverlessCli, err = serverlesssvc.NewClient(&su.Suite, su.Host, token)
	su.Require().NoError(err)
	su.Require().NotNil(su.serverlessCli)
}

func (su *TestServerlessClusterUsageSuite) Test_02_CreateCluster() {
	su.clusterID = *su.cmCli.CreateCluster(su.orgID, su.prjID, su.provider, su.region, su.clusterName, 4000, su.components, true, su.spendLimit)
	su.Require().NotEmpty(su.clusterID)
}

func (su *TestServerlessClusterUsageSuite) Test_03_PollClusterStatus() {
	// timeout: 10 minutes (600 seconds)
	for range 60 {
		status := su.cmCli.PollClusterStatus(su.orgID, su.prjID, su.clusterID)
		if *status == model.CentralClusterStatusNORMAL {
			break
		}
		su.T().Logf("cluster status: %s", *status)
		time.Sleep(10 * time.Second)
	}
}

func (su *TestServerlessClusterUsageSuite) Test_04_CheckRequiredField() {
	c := su.cmCli.GetCluster(su.orgID, su.prjID, su.clusterID)
	su.userPrefix = c.Endpoint.Token
	su.Require().False(c.HasSetPwd)
	su.Require().NotNil(c.PrivateEndpoint)
	su.Require().NotNil(c.PrivateEndpoint.Address)
	su.Require().NotEmpty(c.PrivateEndpoint.Address)
	su.Require().NotNil(c.PrivateEndpoint.Port)
	su.Require().NotEmpty(c.Version)
	su.Require().Equal(su.UserEmail, *c.CreatedBy.Email)
	su.Require().True(c.IsDevTier)
}

func (su *TestServerlessClusterUsageSuite) Test_05_ChangeHasSetPwd() {
	time.Sleep(10 * time.Second)
	su.cmCli.SetPassword(su.orgID, su.prjID, su.clusterID, su.password)

	c := su.cmCli.GetCluster(su.orgID, su.prjID, su.clusterID)
	su.Require().True(c.HasSetPwd)
}

func (su *TestServerlessClusterUsageSuite) Test_06_CheckUsage() {
	// wait for serverless svc ready
	var spendLimit *serverlessmodel.ServerlessGetSpendLimitDetailsResp
	// wait for o11y data ready
	// dev env may take a long time to get the data
	for i := 1; i <= 60; i++ {
		time.Sleep(10 * time.Second)
		spendLimit = su.serverlessCli.GetClusterSpendLimitDetail(su.orgID, su.clusterID)
		if spendLimit.Usages != nil && spendLimit.Usages.RowStorage > 0 {
			break
		}
	}
	su.Require().NotNil(spendLimit.Usages)
	su.Require().
		GreaterOrEqualf(spendLimit.Usages.ColumnStorage, float64(0), "columnarStorage should be greater than 0")
	// su.Require().Positivef(spendLimit.Usages.RowStorage, "rowStorage should be greater than 0")
	su.Require().NotEmptyf(spendLimit.Usages.RequestUnit, "requestUnit should not be empty")
}