import dayjs from 'dayjs'
import sumBy from 'lodash/sumBy'
import { Archive, ChevronDown, Database, Key, Zap } from 'lucide-react'
import Link from 'next/link'
import { useRouter } from 'next/router'
import { useState } from 'react'

import { useParams } from 'common'
import BarChart from 'components/ui/Charts/BarChart'
import Panel from 'components/ui/Panel'
import {
  ProjectLogStatsVariables,
  UsageApiCounts,
  useProjectLogStatsQuery,
} from 'data/analytics/project-log-stats-query'
import { useFillTimeseriesSorted } from 'hooks/analytics/useFillTimeseriesSorted'
import { useCurrentOrgPlan } from 'hooks/misc/useCurrentOrgPlan'
import { useIsFeatureEnabled } from 'hooks/misc/useIsFeatureEnabled'
import type { ChartIntervals } from 'types'
import {
  Button,
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuRadioGroup,
  DropdownMenuRadioItem,
  DropdownMenuTrigger,
  Loading,
} from 'ui'

const CHART_INTERVALS: ChartIntervals[] = [
  {
    key: 'minutely',
    label: 'Last 60 minutes',
    startValue: 1,
    startUnit: 'hour',
    format: 'MMM D, h:mma',
    availableIn: ['free', 'pro', 'enterprise', 'team'],
  },
  {
    key: 'hourly',
    label: 'Last 24 hours',
    startValue: 24,
    startUnit: 'hour',
    format: 'MMM D, ha',
    availableIn: ['free', 'pro', 'enterprise', 'team'],
  },
  {
    key: 'daily',
    label: 'Last 7 days',
    startValue: 7,
    startUnit: 'day',
    format: 'MMM D',
    availableIn: ['pro', 'enterprise', 'team'],
  },
]

const ProjectUsage = () => {
  const router = useRouter()
  const { ref: projectRef } = useParams()

  const { projectAuthAll: authEnabled, projectStorageAll: storageEnabled } = useIsFeatureEnabled([
    'project_auth:all',
    'project_storage:all',
  ])

  const { plan } = useCurrentOrgPlan()

  const [interval, setInterval] = useState<ProjectLogStatsVariables['interval']>('minutely')

  const { data, isLoading } = useProjectLogStatsQuery({ projectRef, interval })

  const selectedInterval = CHART_INTERVALS.find((i) => i.key === interval) || CHART_INTERVALS[1]
  const startDateLocal = dayjs().subtract(
    selectedInterval.startValue,
    selectedInterval.startUnit as dayjs.ManipulateType
  )
  const endDateLocal = dayjs()
  const { data: charts } = useFillTimeseriesSorted(
    data?.result || [],
    'timestamp',
    [
      'total_auth_requests',
      'total_rest_requests',
      'total_storage_requests',
      'total_realtime_requests',
    ],
    0,
    startDateLocal.toISOString(),
    endDateLocal.toISOString(),
    5
  )
  const datetimeFormat = selectedInterval.format || 'MMM D, ha'

  const handleBarClick = (
    value: UsageApiCounts,
    // TODO (ziinc): link to edge logs with correct filter applied
    _type: 'rest' | 'realtime' | 'storage' | 'auth'
  ) => {
    const unit = selectedInterval.startUnit
    const selectedStart = dayjs(value?.timestamp)
    const selectedEnd = selectedStart.add(1, unit)
    router.push(
      `/project/${projectRef}/logs/edge-logs?ite=${encodeURIComponent(selectedEnd.toISOString())}`
    )
  }

  return (
    <div className="space-y-6">
      <div className="flex flex-row items-center gap-x-2">
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <Button type="default" iconRight={<ChevronDown size={14} />}>
              <span>{selectedInterval.label}</span>
            </Button>
          </DropdownMenuTrigger>
          <DropdownMenuContent side="bottom" align="start" className="w-40">
            <DropdownMenuRadioGroup
              value={interval}
              onValueChange={(interval) =>
                setInterval(interval as ProjectLogStatsVariables['interval'])
              }
            >
              {CHART_INTERVALS.map((i) => (
                <DropdownMenuRadioItem
                  key={i.key}
                  value={i.key}
                  disabled={!i.availableIn?.includes(plan?.id || 'free')}
                >
                  {i.label}
                </DropdownMenuRadioItem>
              ))}
            </DropdownMenuRadioGroup>
          </DropdownMenuContent>
        </DropdownMenu>
        <span className="text-xs text-foreground-light">
          Statistics for {selectedInterval.label.toLowerCase()}
        </span>
      </div>
      <div className="grid grid-cols-1 md:grid-cols-2 md:gap-4 lg:grid-cols-4">
        <Panel>
          <Panel.Content className="space-y-4">
            <PanelHeader
              icon={
                <div className="rounded bg-surface-300 p-1.5 text-foreground-light shadow-sm">
                  <Database strokeWidth={2} size={16} />
                </div>
              }
              title="Database"
              href={`/project/${projectRef}/editor`}
            />

            <Loading active={isLoading}>
              <BarChart
                title="REST Requests"
                data={charts}
                xAxisKey="timestamp"
                yAxisKey="total_rest_requests"
                onBarClick={(v: unknown) => handleBarClick(v as UsageApiCounts, 'rest')}
                customDateFormat={datetimeFormat}
                highlightedValue={sumBy(charts, 'total_rest_requests')}
              />
            </Loading>
          </Panel.Content>
        </Panel>
        {authEnabled && (
          <Panel>
            <Panel.Content className="space-y-4">
              <PanelHeader
                icon={
                  <div className="rounded bg-surface-300 p-1.5 text-foreground-light shadow-sm">
                    <Key strokeWidth={2} size={16} />
                  </div>
                }
                title="Auth"
                href={`/project/${projectRef}/auth/users`}
              />
              <Loading active={isLoading}>
                <BarChart
                  title="Auth Requests"
                  data={charts}
                  xAxisKey="timestamp"
                  yAxisKey="total_auth_requests"
                  onBarClick={(v: unknown) => handleBarClick(v as UsageApiCounts, 'auth')}
                  customDateFormat={datetimeFormat}
                  highlightedValue={sumBy(charts || [], 'total_auth_requests')}
                />
              </Loading>
            </Panel.Content>
          </Panel>
        )}
        {storageEnabled && (
          <Panel>
            <Panel.Content className="space-y-4">
              <PanelHeader
                icon={
                  <div className="rounded bg-surface-300 p-1.5 text-foreground-light shadow-sm">
                    <Archive strokeWidth={2} size={16} />
                  </div>
                }
                title="Storage"
                href={`/project/${projectRef}/storage/buckets`}
              />

              <Loading active={isLoading}>
                <BarChart
                  title="Storage Requests"
                  data={charts}
                  xAxisKey="timestamp"
                  yAxisKey="total_storage_requests"
                  onBarClick={(v: unknown) => handleBarClick(v as UsageApiCounts, 'storage')}
                  customDateFormat={datetimeFormat}
                  highlightedValue={sumBy(charts, 'total_storage_requests')}
                />
              </Loading>
            </Panel.Content>
          </Panel>
        )}
        <Panel>
          <Panel.Content className="space-y-4">
            <PanelHeader
              icon={
                <div className="rounded bg-surface-300 p-1.5 text-foreground-light shadow-sm">
                  <Zap strokeWidth={2} size={16} />
                </div>
              }
              title="Realtime"
            />

            <Loading active={isLoading}>
              <BarChart
                title="Realtime Requests"
                data={charts}
                xAxisKey="timestamp"
                yAxisKey="total_realtime_requests"
                onBarClick={(v: unknown) => handleBarClick(v as UsageApiCounts, 'realtime')}
                customDateFormat={datetimeFormat}
                highlightedValue={sumBy(charts, 'total_realtime_requests')}
              />
            </Loading>
          </Panel.Content>
        </Panel>
      </div>
    </div>
  )
}
export default ProjectUsage

const PanelHeader = (props: any) => {
  const Tag = props?.href ? Link : 'div'
  return (
    <Tag href={props.href}>
      <div
        className={
          'flex items-center space-x-3 opacity-80 transition ' +
          (props.href ? 'cursor-pointer hover:text-gray-1200 hover:opacity-100' : '')
        }
      >
        <div>{props.icon}</div>
        <span className="flex items-center space-x-1">
          <h4 className="mb-0 text-lg">{props.title}</h4>
        </span>
      </div>
    </Tag>
  )
}