package testcase

import (
	"time"

	"github.com/pingcap/test-infra/caselib/pkg/model/ticdc"
	"github.com/pingcap/test-infra/caselib/pkg/model/workload"
	"github.com/pingcap/test-infra/caselib/pkg/steps"
	"github.com/pingcap/test-infra/caselib/ticdc/common"
	"github.com/pingcap/test-infra/sdk/resource"
	"github.com/pingcap/tiflow/cdc/model"
)

// TiKVScaleSync
// create tidb cluster / mysql / workload
// create changefeed
// prepare incremental data
// resume changefeed
// run real time data
// scale out cluster tikv from 3 -> 5 -> 7
// wait for workload finish
// check consistency
var _ = common.AddTestCase("tikv_scale_out_sync", func() steps.Step {
	var (
		changeFeedID          = "tikv-scale-out-sync"
		loopLifetime          = 35 * time.Minute
		loopCron              = 15 * time.Minute
		waitFinishMarkTimeout = 2 * time.Hour

		dbNameVar = common.DBName
	)
	return steps.
		NewBuilder().
		LoadEnv().
		LoadResourceFromEnv("TI_PARAM_RES_upstream", common.ResourceHandleSource).
		LoadResourceFromEnv("TI_PARAM_RES_downstream", common.ResourceHandleMySQL).
		LoadResourceFromEnv("TI_PARAM_RES_workload", common.ResourceHandleWorkload).
		InitCDCComponents(common.ResourceHandleSource, common.ResourceHandleMySQL).
		OperateChangeFeed(&ticdc.ChangeFeedCreateFlags{SinkType: ticdc.SinkTypeMySQL, ID: changeFeedID}).
		CreateDatabase(common.ResourceHandleSource, dbNameVar).
		OperateChangeFeed(&ticdc.ChangeFeedListFlags{}).
		InitWorkload(common.ResourceHandleWorkload).
		RunWorkload(common.Spec.GetWorkloadOption(workload.CommandTypePrepare)).
		Parallel(
			steps.NewLoopTask(loopLifetime, loopCron, true,
				// scale-out to 5
				steps.NewScaleTiDBCluster(resource.TiKV, 5, 0),
				// scale-out to 7
				steps.NewScaleTiDBCluster(resource.TiKV, 7, 0),
			),

			steps.NewRunWorkload(common.Spec.GetWorkloadOption(workload.CommandTypeRun)),
		).
		SendFinishMark(dbNameVar).
		WaitFinishMark(common.ResourceHandleMySQL, dbNameVar, waitFinishMarkTimeout).
		CheckConsistency(common.ResourceHandleSource, common.ResourceHandleMySQL, dbNameVar).
		DropDatabasesIfExists(common.ResourceHandleSource, &dbNameVar).
		Sleep(1 * time.Minute).
		OperateChangeFeed(&ticdc.ChangeFeedAdminJobFlags{JobType: model.AdminRemove, ID: changeFeedID, ForceRemove: true}).
		Build()
})