// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
// with the License. A copy of the License is located at
//
// http://aws.amazon.com/apache2.0/
//
// or in the "LICENSE.txt" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
// OR CONDITIONS OF ANY KIND, express or implied. See the License for the specific language governing permissions and
// limitations under the License.
import React from 'react'
import {useNavigate, useParams} from 'react-router-dom'

import {getState, useState} from '../../store'

// UI Elements
import Tabs from '@cloudscape-design/components/tabs'

// Components
import Accounting from './Accounting'
import StackEvents from './StackEvents'
import Instances from './Instances'
import Filesystems from './Filesystems'
import Scheduling from './Scheduling'
import Properties from './Properties'
import Loading from '../../components/Loading'
import {useTranslation} from 'react-i18next'
import {Alert} from '@cloudscape-design/components'
import {Costs} from './Costs'
import {useCostMonitoringStatus} from './Costs/costs.queries'

export default function ClusterTabs() {
  const {t} = useTranslation()
  const clusterName = useState(['app', 'clusters', 'selected'])
  const clusterPath = ['clusters', 'index', clusterName]
  const cluster = useState(clusterPath)
  const selectedClusterName = useState(['app', 'clusters', 'selected'])
  const apiVersion = useState(['app', 'version', 'full'])

  const {data: isCostMonitoringActive} = useCostMonitoringStatus()

  function isAccountingEnabled() {
    const accountingPath = [
      ...clusterPath,
      'config',
      'Scheduling',
      'SlurmSettings',
      'Database',
    ]
    return getState(accountingPath) ? true : false
  }

  let accountingEnabled = isAccountingEnabled()
  let navigate = useNavigate()
  let params = useParams()

  return cluster ? (
    <>
      {cluster.version !== apiVersion ? (
        <Alert>{t('cluster.editAlert')}</Alert>
      ) : null}
      <Tabs
        tabs={[
          {
            label: t('cluster.tabs.details'),
            id: 'details',
            content: <Properties />,
          },
          {
            label: t('cluster.tabs.instances'),
            id: 'instances',
            content: <Instances />,
          },
          {
            label: t('cluster.tabs.storage'),
            id: 'storage',
            content: <Filesystems />,
          },
          {
            label: t('cluster.tabs.scheduling'),
            id: 'scheduling',
            content: <Scheduling />,
          },
          ...(accountingEnabled
            ? [
                {
                  label: t('cluster.tabs.accounting'),
                  id: 'accounting',
                  content: <Accounting />,
                },
              ]
            : []),
          {
            label: t('cluster.tabs.stackEvents'),
            id: 'stack-events',
            content: <StackEvents />,
          },
          ...(isCostMonitoringActive
            ? [
                {
                  label: t('cluster.tabs.costMonitoring'),
                  id: 'cost-monitoring',
                  content: <Costs />,
                },
              ]
            : []),
        ]}
        onChange={({detail}) => {
          navigate(`/clusters/${selectedClusterName}/${detail.activeTabId}`)
        }}
        activeTabId={params.tab || 'details'}
      />
    </>
  ) : (
    <div style={{textAlign: 'center', paddingTop: '40px'}}>
      <Loading />
    </div>
  )
}