import { SupportCategories } from '@supabase/shared-types/out/constants'
import { useParams } from 'common'
import { SupportLink } from 'components/interfaces/Support/SupportLink'
import { ButtonTooltip } from 'components/ui/ButtonTooltip'
import { useBackupDownloadMutation } from 'data/database/backup-download-mutation'
import { useDownloadableBackupQuery } from 'data/database/backup-query'
import { useInvalidateProjectDetailsQuery } from 'data/projects/project-detail-query'
import { useProjectStatusQuery } from 'data/projects/project-status-query'
import dayjs from 'dayjs'
import { useSelectedProjectQuery } from 'hooks/misc/useSelectedProject'
import { PROJECT_STATUS } from 'lib/constants'
import { CheckCircle, Download, Loader } from 'lucide-react'
import { useEffect, useState } from 'react'
import {
  Button,
  Dialog,
  DialogContent,
  DialogFooter,
  DialogHeader,
  DialogSection,
  DialogSectionSeparator,
  DialogTitle,
  DialogTrigger,
} from 'ui'

export const RestoringState = () => {
  const { ref } = useParams()
  const { data: project } = useSelectedProjectQuery()

  const [loading, setLoading] = useState(false)
  const [isCompleted, setIsCompleted] = useState(false)

  const { data } = useDownloadableBackupQuery({ projectRef: ref })
  const backups = data?.backups ?? []
  const logicalBackups = backups.filter((b) => !b.isPhysicalBackup)

  const { invalidateProjectDetailsQuery } = useInvalidateProjectDetailsQuery()

  const { data: projectStatusData, isSuccess: isProjectStatusSuccess } = useProjectStatusQuery(
    { projectRef: ref },
    {
      enabled: project?.status !== PROJECT_STATUS.ACTIVE_HEALTHY,
      refetchInterval: (query) => {
        const data = query.state.data
        return data?.status === PROJECT_STATUS.ACTIVE_HEALTHY ? false : 4000
      },
    }
  )

  const restoreInitiatedSinceMinutes = dayjs().diff(dayjs.utc(project?.updated_at), 'minute')
  const showSupportCta = restoreInitiatedSinceMinutes >= 30

  const { mutate: downloadBackup, isPending: isDownloading } = useBackupDownloadMutation({
    onSuccess: (res) => {
      const { fileUrl } = res

      // Trigger browser download by create,trigger and remove tempLink
      const tempLink = document.createElement('a')
      tempLink.href = fileUrl
      document.body.appendChild(tempLink)
      tempLink.click()
      document.body.removeChild(tempLink)
    },
  })

  const onClickDownloadBackup = () => {
    if (!ref) return console.error('Project ref is required')
    if (logicalBackups.length === 0) return console.error('No available backups to download')

    downloadBackup({ ref, backup: logicalBackups[0] })
  }

  const onConfirm = async () => {
    if (!project) return console.error('Project is required')
    setLoading(true)
    if (ref) await invalidateProjectDetailsQuery(ref)
  }

  useEffect(() => {
    if (isProjectStatusSuccess && projectStatusData.status === PROJECT_STATUS.ACTIVE_HEALTHY) {
      setIsCompleted(true)
    }
  }, [isProjectStatusSuccess, projectStatusData])

  return (
    <div className="flex items-center justify-center h-full">
      <div className="bg-surface-100 border border-overlay rounded-md w-3/4 lg:w-1/2">
        {isCompleted ? (
          <div className="space-y-6 pt-6">
            <div className="flex px-8 space-x-8">
              <div className="mt-1">
                <CheckCircle className="text-brand" size={18} strokeWidth={2} />
              </div>
              <div className="space-y-1">
                <p>Restoration complete!</p>
                <p className="text-sm text-foreground-light">
                  Your project has been successfully restored and is now back online.
                </p>
              </div>
            </div>
            <div className="border-t border-overlay flex items-center justify-end py-4 px-8">
              <Button disabled={loading} loading={loading} onClick={onConfirm}>
                Return to project
              </Button>
            </div>
          </div>
        ) : (
          <>
            <div className="space-y-6 py-6">
              <div className="flex px-8 space-x-8">
                <div className="mt-1">
                  <Loader className="animate-spin" size={18} />
                </div>
                <div className="space-y-1">
                  <p>Restoration in progress</p>
                  <p className="text-sm text-foreground-light">
                    Restoration can take from a few minutes up to several hours depending on the
                    size of your database. Your project will be offline while the restoration is
                    running.
                  </p>
                </div>
              </div>
            </div>
            <div className="border-t border-overlay flex items-center justify-end py-4 px-8 gap-x-2">
              {showSupportCta && (
                <Dialog>
                  <DialogTrigger>
                    <Button type="text" className="text-foreground-light">
                      Taking longer than expected?
                    </Button>
                  </DialogTrigger>
                  <DialogContent aria-describedby={undefined}>
                    <DialogHeader>
                      <DialogTitle>Restoration taking longer than expected?</DialogTitle>
                    </DialogHeader>
                    <DialogSectionSeparator />
                    <DialogSection>
                      <p className="text-sm">
                        Restores may take from a minutes up to several hours depending on the size
                        of your database. However, if the restoration process is taking far longer
                        than expected for the size of your database, you may reach out to us via
                        Support for help.
                      </p>
                    </DialogSection>
                    <DialogFooter>
                      <Button asChild type="default">
                        <SupportLink
                          queryParams={{
                            category: SupportCategories.DATABASE_UNRESPONSIVE,
                            projectRef: project?.ref,
                            subject: 'Ongoing restoration for project',
                          }}
                        >
                          Contact support
                        </SupportLink>
                      </Button>
                    </DialogFooter>
                  </DialogContent>
                </Dialog>
              )}

              <ButtonTooltip
                type="default"
                icon={<Download />}
                loading={isDownloading}
                disabled={logicalBackups.length === 0}
                tooltip={{
                  content: {
                    side: 'bottom',
                    text:
                      logicalBackups.length === 0 ? 'No available backups to download' : undefined,
                  },
                }}
                onClick={onClickDownloadBackup}
              >
                Download latest backup
              </ButtonTooltip>
            </div>
          </>
        )}
      </div>
    </div>
  )
}