// Copyright 2019 Yunion
//
// 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 tasks

import (
	"context"
	"fmt"

	"yunion.io/x/jsonutils"

	api "yunion.io/x/onecloud/pkg/apis/compute"
	"yunion.io/x/onecloud/pkg/cloudcommon/db"
	"yunion.io/x/onecloud/pkg/cloudcommon/db/taskman"
	"yunion.io/x/onecloud/pkg/cloudcommon/notifyclient"
	"yunion.io/x/onecloud/pkg/compute/models"
	"yunion.io/x/onecloud/pkg/util/logclient"
)

type ElasticcacheAccountResetPasswordTask struct {
	taskman.STask
}

func init() {
	taskman.RegisterTask(ElasticcacheAccountResetPasswordTask{})
}

func (self *ElasticcacheAccountResetPasswordTask) taskFail(ctx context.Context, ea *models.SElasticcacheAccount, reason jsonutils.JSONObject) {
	ea.SetStatus(self.GetUserCred(), api.ELASTIC_CACHE_STATUS_CHANGE_FAILED, reason.String())
	ec, err := db.FetchById(models.ElasticcacheManager, ea.ElasticcacheId)
	if err == nil {
		ec.(*models.SElasticcache).SetStatus(self.GetUserCred(), api.ELASTIC_CACHE_STATUS_CHANGE_FAILED, reason.String())
		logclient.AddActionLogWithStartable(self, ec, logclient.ACT_RESET_PASSWORD, reason, self.UserCred, false)
	}
	db.OpsLog.LogEvent(ea, db.ACT_RESET_PASSWORD, reason, self.UserCred)
	logclient.AddActionLogWithStartable(self, ea, logclient.ACT_RESET_PASSWORD, reason, self.UserCred, false)
	notifyclient.NotifySystemErrorWithCtx(ctx, ea.Id, ea.Name, api.ELASTIC_CACHE_STATUS_CREATE_FAILED, reason.String())
	self.SetStageFailed(ctx, reason)
}

func (self *ElasticcacheAccountResetPasswordTask) OnInit(ctx context.Context, obj db.IStandaloneModel, data jsonutils.JSONObject) {
	ea := obj.(*models.SElasticcacheAccount)
	region := ea.GetRegion()
	if region == nil {
		self.taskFail(ctx, ea, jsonutils.NewString(fmt.Sprintf("failed to find region for elastic cache account %s", ea.GetName())))
		return
	}

	self.SetStage("OnElasticcacheAccountResetPasswordComplete", nil)
	if err := region.GetDriver().RequestElasticcacheAccountResetPassword(ctx, self.GetUserCred(), ea, self); err != nil {
		self.taskFail(ctx, ea, jsonutils.NewString(err.Error()))
		return
	} else {
		logclient.AddActionLogWithStartable(self, ea, logclient.ACT_RESET_PASSWORD, nil, self.UserCred, true)
		ec, err := db.FetchById(models.ElasticcacheManager, ea.ElasticcacheId)
		if err == nil {
			ec.(*models.SElasticcache).SetStatus(self.GetUserCred(), api.ELASTIC_CACHE_STATUS_RUNNING, "")
			logclient.AddActionLogWithStartable(self, ec, logclient.ACT_RESET_PASSWORD, "", self.UserCred, true)
		}
		password, _ := self.GetParams().GetString("password")
		self.resetPasswordNotify(ctx, ec.(*models.SElasticcache), ea, password)
		logclient.AddActionLogWithStartable(self, ea, logclient.ACT_RESET_PASSWORD, "", self.UserCred, true)
		self.SetStageComplete(ctx, nil)
	}
}

func (self *ElasticcacheAccountResetPasswordTask) resetPasswordNotify(ctx context.Context, ec *models.SElasticcache, account *models.SElasticcacheAccount, password string) {
	detailDecro := func(ctx context.Context, details *jsonutils.JSONDict) {
		details.Set("account", jsonutils.NewString(account.GetName()))
		details.Set("password", jsonutils.NewString(password))
	}
	notifyclient.EventNotify(ctx, self.GetUserCred(), notifyclient.SEventNotifyParam{
		Obj:                 ec,
		Action:              notifyclient.ActionResetPassword,
		ObjDetailsDecorator: detailDecro,
	})
}