package main

import (
	"context"

	"github.com/google/uuid"
	"github.com/pingcap/test-infra/caselib/pkg/host"
	"github.com/pingcap/test-infra/caselib/pkg/steps"
	"github.com/pingcap/test-infra/caselib/pkg/utils"
	"github.com/pingcap/test-infra/common/model/resource"
	_ "github.com/pingcap/test-infra/sdk/resource/impl/k8s"
	"go.uber.org/zap"
)

func DumplingSnapShot() steps.Step {
	var (
		srcTidb       		= &resource.ResourceHandle{}
		dstTidb       		= &resource.ResourceHandle{}
		lightningRes  		= &resource.ResourceHandle{}
		opts     		    = &steps.LightningImportOpts{}
		globalVariableOpts	= &steps.TiDBVariableList
		dumplingRes 		= &resource.ResourceHandle{}
		mcRes       		= &resource.ResourceHandle{}
		mcRmOpts   			= &host.McRmOpts{}
		dumplingOpts        = &host.DumplingGeneralOpts{}
		uniq        		= uuid.New().String()
		now					string
		dropDatabases 		string
		adminCheck   		string
	)
	return steps.
		NewBuilder().
		LoadEnv().
		LoadParamFromEnv(utils.ParamPrefix+"drop_databases", &dropDatabases).
		LoadResourceFromEnv(utils.ParamPrefix+"import_basic_opts", opts).
		LoadResourceFromEnv(utils.ResourcePrefix+"src_tidb", srcTidb).
		LoadResourceFromEnv(utils.ResourcePrefix+"dst_tidb", dstTidb).
		LoadResourceFromEnv(utils.ResourcePrefix+"lightning", lightningRes).
		LoadParamFromEnv(utils.ParamPrefix+"admin_check", &adminCheck).
		LoadResourceFromEnv(utils.ParamPrefix+"global_variable", &globalVariableOpts).
		LoadResourceFromEnv(utils.ParamPrefix+"dumpling_opts", dumplingOpts).
		LoadResourceFromEnv(utils.ParamPrefix+"mc_rm_opts", mcRmOpts).
		LoadResourceFromEnv(utils.ResourcePrefix+"dumpling", dumplingRes).
		LoadResourceFromEnv(utils.ResourcePrefix+"mc", mcRes).
		ConfigGlobalVariable(globalVariableOpts, srcTidb).
		DropDatabasesIfExists(srcTidb, &dropDatabases).
		LightningImport(opts, lightningRes, srcTidb).
		CheckDatabasesCrc32(&opts.Crc32Checksum, &dropDatabases, srcTidb).
		AdminCheck(srcTidb, &adminCheck).
		GetMysqlNow(srcTidb, &now).
		DropUserDatabases(srcTidb).
		NewUniqPath(&dumplingOpts.Output, uniq).
		NewUniqPath(&mcRmOpts.Path, uniq).
		DumplingSnapshot(dumplingRes, srcTidb, dumplingOpts, &now).
		ConfigGlobalVariable(globalVariableOpts, dstTidb).
		DropUserDatabases(dstTidb).
		LightningImportFromDumpling(opts, lightningRes, dstTidb, &dumplingOpts.Output).
		CheckDatabasesCrc32(&opts.Crc32Checksum, &dropDatabases, dstTidb).
		AdminCheck(dstTidb, &adminCheck).
		McRemove(mcRmOpts, mcRes).
		Build()
}

func main() {
	_, logger := utils.GetCtxAndLogger()
	ctx := steps.New(context.Background())
	if err := DumplingSnapShot().Execute(ctx); err != nil {
		logger.Fatal("DumplingSnapShot failed", zap.Error(err))
	}
	logger.Info("DumplingSnapShot finished")
}