// Copyright 2018 Red Hat, Inc
//
// 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.

import React, { useState } from 'react'
import PropTypes from 'prop-types'
import { connect } from 'react-redux'
import { Link } from 'react-router-dom'
import { Flex, FlexItem, List, ListItem, Title } from '@patternfly/react-core'

import {
  BookIcon,
  BuildIcon,
  CodeBranchIcon,
  FileCodeIcon,
  FingerprintIcon,
  HistoryIcon,
  OutlinedCalendarAltIcon,
  OutlinedClockIcon,
  StreamIcon,
  ThumbtackIcon,
  LockIcon,
} from '@patternfly/react-icons'
import * as moment from 'moment'
import * as moment_tz from 'moment-timezone'
import _ from 'lodash'
import 'moment-duration-format'

import { BuildResultBadge, BuildResultWithIcon } from './Misc'
import { buildExternalLink, renderRefInfo, ExternalLink, IconProperty } from '../../Misc'

import AutoholdModal from '../autohold/autoholdModal'

function getRefs(build) {
  // This method has a purpose beyond backwards compat: return the
  // zuul ref for this build first, then the remaining refs.
  if (!('refs' in build.buildset)) {
    // Backwards compat
    return [build]
  }
  return [build.ref, ...build.buildset.refs.filter((i) => !_.isEqual(i, build.ref))]
}

function getRef(build) {
  return 'project' in build ? build : build.ref
}

function Build({ build, tenant, timezone, user }) {
  const [showAutoholdModal, setShowAutoholdModal] = useState(false)
  const buildRef = getRef(build)
  // the change or ref to use for api actions like autohold
  const actionRef = buildRef.change ? '' : buildRef.ref
  const actionChange = buildRef.change ? String(buildRef.change) : ''
  //const project = build.project
  const job_name = build.job_name
  const index_links = build.manifest && build.manifest.index_links
  const build_log_url = build.log_url ?
        (index_links ? build.log_url + 'index.html' : build.log_url)
        : ''

  function renderAutoholdButton() {
    const value = (
      <span style={{
        cursor: 'pointer',
        color: 'var(--pf-global--primary-color--100)'
      }}
        title="Hold nodes next time this job ends in failure for this specific change"
        onClick={(event) => {
          event.preventDefault()
          setShowAutoholdModal(true)
        }}
      >
        Autohold future build failure(s)
      </span>
    )
    return (
      <IconProperty
        WrapElement={ListItem}
        icon={<LockIcon />}
        value={value}
      />
    )
  }

  return (
    <>
      <Title
        headingLevel="h2"
        style={{
          color: build.voting
            ? 'inherit'
            : 'var(--pf-global--disabled-color--100)',
        }}
      >
        <BuildResultWithIcon
          result={build.result}
          colored={build.voting}
          size="md"
        >
          {build.job_name} {!build.voting && ' (non-voting)'}
        </BuildResultWithIcon>
        <BuildResultBadge result={build.result} />
        {build.held &&
          <ThumbtackIcon title="This build triggered an autohold"
            style={{
              marginLeft: 'var(--pf-global--spacer--sm)',
            }}
          />}
      </Title>
      {/* We handle the spacing for the body and the flex items by ourselves
          so they go hand in hand. By default, the flex items' spacing only
          affects left/right margin, but not top or bottom (which looks
          awkward when the items are stacked at certain breakpoints) */}
      <Flex className="zuul-build-attributes">
        <Flex flex={{ lg: 'flex_1' }}>
          <FlexItem>
            <List style={{ listStyle: 'none' }}>
              {getRefs(build).map((ref, idx) => (
                <IconProperty
                  key={idx}
                  WrapElement={ListItem}
                  icon={<CodeBranchIcon />}
                  value={
                    <span>
                      {buildExternalLink(ref)}<br/>
                      <strong>Project </strong> {ref.project}<br/>
                      {renderRefInfo(ref)}
                    </span>
                  }
                />
              ))}
              <IconProperty
                WrapElement={ListItem}
                icon={<StreamIcon />}
                value={
                  <>
                    <strong>Pipeline </strong> {build.pipeline}
                  </>
                }
              />
              <IconProperty
                WrapElement={ListItem}
                icon={<FingerprintIcon />}
                value={
                  <span>
                    <strong>UUID </strong> {build.uuid} <br />
                    <strong>Event ID </strong> {build.event_id} <br />
                  </span>
                }
              />
            </List>
          </FlexItem>
        </Flex>
        <Flex flex={{ lg: 'flex_1' }}>
          <FlexItem>
            <List style={{ listStyle: 'none' }}>
              <IconProperty
                WrapElement={ListItem}
                icon={<OutlinedCalendarAltIcon />}
                value={
                  <span>
                    <strong>Started at </strong>
                    {moment_tz
                      .utc(build.start_time)
                      .tz(timezone)
                      .format('YYYY-MM-DD HH:mm:ss')}
                    <br />
                    <strong>Completed at </strong>
                    {moment_tz
                      .utc(build.end_time)
                      .tz(timezone)
                      .format('YYYY-MM-DD HH:mm:ss')}
                  </span>
                }
              />
              <IconProperty
                WrapElement={ListItem}
                icon={<OutlinedClockIcon />}
                value={
                  <>
                    <strong>Took </strong>
                    {moment
                      .duration(build.duration, 'seconds')
                      .format('h [hr] m [min] s [sec]')}
                  </>
                }
              />
            </List>
          </FlexItem>
        </Flex>
        <Flex flex={{ lg: 'flex_1' }}>
          <FlexItem>
            <List style={{ listStyle: 'none' }}>
              <IconProperty
                WrapElement={ListItem}
                icon={<BookIcon />}
                value={
                  <Link to={tenant.linkPrefix + '/job/' + build.job_name}>
                    View job documentation
                  </Link>
                }
              />
              <IconProperty
                WrapElement={ListItem}
                icon={<HistoryIcon />}
                value={
                  <Link
                    to={
                      tenant.linkPrefix +
                      '/builds?job_name=' +
                      build.job_name +
                      '&project=' +
                      buildRef.project
                    }
                    title="See previous runs of this job inside current project."
                  >
                    View build history
                  </Link>
                }
              />
              {/* In some cases not all build data is available on initial
                      page load (e.g. when we come from another page like the
                      buildset result page). Thus, we have to check for the
                      buildset here. */}
              {build.buildset && (
                <IconProperty
                  WrapElement={ListItem}
                  icon={<BuildIcon />}
                  value={
                    <Link
                      to={
                        tenant.linkPrefix + '/buildset/' + build.buildset.uuid
                      }
                    >
                      View buildset result
                    </Link>
                  }
                />
              )}
              <IconProperty
                WrapElement={ListItem}
                icon={<FileCodeIcon />}
                value={
                  build_log_url ? (
                    <ExternalLink target={build_log_url}>View log</ExternalLink>
                  ) : (
                    <span
                      style={{
                        color: 'var(--pf-global--disabled-color--100)',
                      }}
                    >
                      No log available
                    </span>
                  )
                }
              />
              {(user.isAdmin && user.scope.indexOf(tenant.name) !== -1) && renderAutoholdButton()}
            </List>
          </FlexItem>
        </Flex>
      </Flex>
      {<AutoholdModal
        showAutoholdModal={showAutoholdModal}
        setShowAutoholdModal={setShowAutoholdModal}
        change={actionChange}
        changeRef={actionRef}
        project={buildRef.project}
        jobName={job_name}
      />}
    </>
  )
}

Build.propTypes = {
  build: PropTypes.object,
  tenant: PropTypes.object,
  hash: PropTypes.array,
  timezone: PropTypes.string,
  user: PropTypes.object,
}

export default connect((state) => ({
  tenant: state.tenant,
  timezone: state.timezone,
  user: state.user,
}))(Build)
