import { LOCAL_STORAGE_KEYS, useParams } from 'common'
import { ExternalLink, Eye, EyeOff, FlaskConical } from 'lucide-react'
import Link from 'next/link'
import { useRouter } from 'next/router'
import { ReactNode } from 'react'
import { toast } from 'sonner'
import {
  Badge,
  Button,
  cn,
  Dialog,
  DialogContent,
  DialogDescription,
  DialogHeader,
  DialogSection,
  DialogSectionSeparator,
  DialogTitle,
  ScrollArea,
  Tooltip,
  TooltipContent,
  TooltipTrigger,
} from 'ui'
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
} from 'ui/src/components/shadcn/ui/select'

import { AdvisorRulesPreview } from './AdvisorRulesPreview'
import { CLSPreview } from './CLSPreview'
import { useFeaturePreviewContext, useFeaturePreviewModal } from './FeaturePreviewContext'
import { IntegrationsLayoutPreview } from './IntegrationsLayoutPreview'
import { JitDbAccessPreview } from './JitDbAccessPreview'
import { PgDeltaDiffPreview } from './PgDeltaDiffPreview'
import { PlatformWebhooksPreview } from './PlatformWebhooksPreview'
import { SqlEditorManualSavePreview } from './SqlEditorManualSavePreview'
import { UnifiedLogsPreview } from './UnifiedLogsPreview'
import { FeaturePreview, useFeaturePreviews } from './useFeaturePreviews'
import { IS_PLATFORM } from '@/lib/constants'
import { useTrack } from '@/lib/telemetry/track'

const FEATURE_PREVIEW_KEY_TO_CONTENT: {
  [key: string]: ReactNode
} = {
  [LOCAL_STORAGE_KEYS.UI_PREVIEW_PG_DELTA_DIFF]: <PgDeltaDiffPreview />,
  [LOCAL_STORAGE_KEYS.UI_PREVIEW_ADVISOR_RULES]: <AdvisorRulesPreview />,
  [LOCAL_STORAGE_KEYS.UI_PREVIEW_CLS]: <CLSPreview />,
  [LOCAL_STORAGE_KEYS.UI_PREVIEW_UNIFIED_LOGS]: <UnifiedLogsPreview />,
  [LOCAL_STORAGE_KEYS.UI_PREVIEW_PLATFORM_WEBHOOKS]: <PlatformWebhooksPreview />,
  [LOCAL_STORAGE_KEYS.UI_PREVIEW_JIT_DB_ACCESS]: <JitDbAccessPreview />,
  [LOCAL_STORAGE_KEYS.UI_PREVIEW_SQL_EDITOR_MANUAL_SAVE]: <SqlEditorManualSavePreview />,
  [LOCAL_STORAGE_KEYS.UI_PREVIEW_MARKETPLACE]: <IntegrationsLayoutPreview />,
}

export const FeaturePreviewModal = () => {
  const router = useRouter()
  const { ref } = useParams()
  const featurePreviews = useFeaturePreviews()
  const {
    showFeaturePreviewModal,
    selectedFeatureKey,
    selectFeaturePreview,
    toggleFeaturePreviewModal,
  } = useFeaturePreviewModal()
  const featurePreviewContext = useFeaturePreviewContext()
  const track = useTrack()

  const { flags, onUpdateFlag } = featurePreviewContext
  const allFeaturePreviews = (
    IS_PLATFORM ? featurePreviews : featurePreviews.filter((x) => !x.isPlatformOnly)
  ).filter((x) => x.enabled)

  const selectedFeature =
    allFeaturePreviews.find((preview) => preview.key === selectedFeatureKey) ??
    allFeaturePreviews[0]
  const isSelectedFeatureEnabled = flags[selectedFeature?.key]

  const selectedFeatureRoute = selectedFeature?.getRoute?.(ref)
  const hasRoute = selectedFeatureRoute !== undefined && ref !== undefined

  const toggleFeature = () => {
    if (!selectedFeature) return

    const isEnabling = !isSelectedFeatureEnabled

    onUpdateFlag(selectedFeature.key, isEnabling)
    track(isEnabling ? 'feature_preview_enabled' : 'feature_preview_disabled', {
      feature: selectedFeature.key,
    })

    if (!isEnabling) {
      toast(`${selectedFeature.name} disabled`)
      return
    }

    toggleFeaturePreviewModal(false)
    if (hasRoute) {
      router.push(selectedFeatureRoute)
      toast.success(`${selectedFeature.name} enabled`, {
        description: "We've taken you to where you can try it out.",
      })
    } else {
      toast.success(`${selectedFeature.name} enabled`, {
        description: "It's now active across the dashboard.",
      })
    }
  }

  return (
    <Dialog open={showFeaturePreviewModal} onOpenChange={toggleFeaturePreviewModal}>
      <DialogContent size="xlarge" className="flex flex-col max-w-4xl! h-[90dvh] md:h-auto">
        <DialogHeader>
          <DialogTitle>Dashboard feature previews</DialogTitle>
          <DialogDescription>Get early access to new features and give feedback</DialogDescription>
        </DialogHeader>

        <DialogSectionSeparator />

        <DialogSection className="p-0! flex-1 min-h-0 h-full">
          {allFeaturePreviews.length > 0 ? (
            <div className="max-h-full flex-1 min-h-0 h-full flex flex-col gap-y-1 md:gap-y-4 md:flex-row">
              <div>
                <ScrollArea className="hidden md:block h-[550px] w-[280px] border-r">
                  {allFeaturePreviews.map((feature) => (
                    <FeaturePreviewItem
                      key={feature.key}
                      feature={feature}
                      selectedFeature={selectedFeature}
                      selectFeaturePreview={selectFeaturePreview}
                    />
                  ))}
                </ScrollArea>
              </div>
              <div className="block md:hidden px-4 pt-4">
                <Select
                  value={selectedFeature.key}
                  onValueChange={selectFeaturePreview}
                  defaultValue={selectedFeature.name}
                >
                  <SelectTrigger id="feature-preview-select">
                    <div className="flex items-center gap-x-2">
                      {(flags[selectedFeature.key] ?? false) ? (
                        <Eye size={14} strokeWidth={2} className="text-brand" />
                      ) : (
                        <EyeOff size={14} strokeWidth={1.5} className="text-foreground-light" />
                      )}
                      <p>{selectedFeature.name}</p>
                      {selectedFeature.isNew && <Badge variant="success">New</Badge>}
                    </div>
                  </SelectTrigger>
                  <SelectContent className="p-0! [&>div]:w-full! [&>div]:p-0! [&>div]:flex! [&>div]:flex-col! w-full flex">
                    {allFeaturePreviews.map((feature) => (
                      <SelectItem
                        key={feature.key}
                        value={feature.key}
                        className="p-0 [&>span:nth-child(2)]:w-full [&>span:nth-child(1)]:left-3"
                      >
                        <FeaturePreviewItem
                          feature={feature}
                          selectedFeature={selectedFeature}
                          selectFeaturePreview={selectFeaturePreview}
                          className="pl-10 py-3 bg-transparent"
                        />
                      </SelectItem>
                    ))}
                  </SelectContent>
                </Select>
              </div>
              <div className="w-full h-auto min-h-0 max-h-auto md:max-h-[550px] p-4 pb-0 flex flex-col">
                <div className="flex items-center justify-between border-b gap-2 pb-3">
                  <p>{selectedFeature?.name}</p>
                  <div className="flex items-center gap-x-2">
                    {selectedFeature?.discussionsUrl !== undefined && (
                      <Button asChild variant="default" icon={<ExternalLink strokeWidth={1.5} />}>
                        <Link
                          href={selectedFeature.discussionsUrl}
                          target="_blank"
                          rel="noreferrer"
                        >
                          Give feedback
                        </Link>
                      </Button>
                    )}
                    {isSelectedFeatureEnabled ? (
                      <Button variant="default" onClick={() => toggleFeature()}>
                        Disable feature
                      </Button>
                    ) : (
                      <Tooltip>
                        <TooltipTrigger asChild>
                          <Button variant="default" onClick={() => toggleFeature()}>
                            Enable feature
                          </Button>
                        </TooltipTrigger>
                        <TooltipContent side="bottom" className="max-w-64 text-center">
                          {hasRoute
                            ? 'Enables the feature and takes you to where you can try it out'
                            : 'Enables this preview across the dashboard'}
                        </TooltipContent>
                      </Tooltip>
                    )}
                  </div>
                </div>
                <div className="overflow-y-scroll pt-3 pb-4">
                  {FEATURE_PREVIEW_KEY_TO_CONTENT[selectedFeature?.key ?? '']}
                </div>
              </div>
            </div>
          ) : (
            <div className="h-[550px] flex flex-col items-center justify-center">
              <FlaskConical size={30} strokeWidth={1.5} className="text-foreground-light" />
              <div className="mt-1 mb-3 flex flex-col items-center gap-y-0.5">
                <p className="text-sm">No feature previews available</p>
                <p className="text-sm text-foreground-light">
                  Have an idea for the dashboard? Let us know via GitHub Discussions!
                </p>
              </div>
              <Button asChild variant="default" icon={<ExternalLink strokeWidth={1.5} />}>
                <Link
                  href="https://github.com/orgs/supabase/discussions/categories/feature-requests"
                  target="_blank"
                  rel="noreferrer"
                >
                  GitHub Discussions
                </Link>
              </Button>
            </div>
          )}
        </DialogSection>
      </DialogContent>
    </Dialog>
  )
}

const FeaturePreviewItem = ({
  feature,
  selectedFeature,
  selectFeaturePreview,
  className,
}: {
  feature: FeaturePreview
  selectedFeature: FeaturePreview
  selectFeaturePreview: (key: string) => void
  className?: string
}) => {
  const featurePreviewContext = useFeaturePreviewContext()
  const { flags } = featurePreviewContext
  const isEnabled = flags[feature.key] ?? false

  return (
    <button
      type="button"
      key={feature.key}
      onClick={() => selectFeaturePreview(feature.key)}
      className={cn(
        'w-full! flex-1 flex items-center justify-between p-4 border-b cursor-pointer bg transition',
        selectedFeature?.key === feature.key ? 'bg-accent' : 'bg-card',
        className
      )}
    >
      <div className="flex items-center gap-x-3">
        {isEnabled ? (
          <Eye size={14} strokeWidth={2} className="text-brand" />
        ) : (
          <EyeOff size={14} strokeWidth={1.5} className="text-foreground-light" />
        )}
        <p className="text-sm truncate" title={feature.name}>
          {feature.name}
        </p>
      </div>
      {feature.isNew && <Badge variant="success">New</Badge>}
    </button>
  )
}