// End of third-party imports

import { useParams } from 'common'
import CopyButton from 'components/ui/CopyButton'
import { OrganizationProjectSelector } from 'components/ui/OrganizationProjectSelector'
import { AnimatePresence, motion } from 'framer-motion'
import { useIsFeatureEnabled } from 'hooks/misc/useIsFeatureEnabled'
import { Check, ChevronsUpDown, ExternalLink } from 'lucide-react'
import Link from 'next/link'
import type { UseFormReturn } from 'react-hook-form'
import { toast } from 'sonner'
import {
  Button,
  cn,
  CommandGroup_Shadcn_,
  CommandItem_Shadcn_,
  FormControl_Shadcn_,
  FormField_Shadcn_,
} from 'ui'
import { Admonition } from 'ui-patterns'
import { FormItemLayout } from 'ui-patterns/form/FormItemLayout/FormItemLayout'
import ShimmeringLoader from 'ui-patterns/ShimmeringLoader'

import type { ExtendedSupportCategories } from './Support.constants'
import type { SupportFormValues } from './SupportForm.schema'
import { NO_ORG_MARKER, NO_PROJECT_MARKER } from './SupportForm.utils'

interface ProjectAndPlanProps {
  form: UseFormReturn<SupportFormValues>
  orgSlug: string | null
  projectRef: string | null
  category: ExtendedSupportCategories
  subscriptionPlanId: string | undefined
  showPlanExpectationInfo?: boolean
}

export function ProjectAndPlanInfo({
  form,
  orgSlug,
  projectRef,
  category,
  subscriptionPlanId,
  showPlanExpectationInfo = true,
}: ProjectAndPlanProps) {
  const hasProjectSelected = projectRef && projectRef !== NO_PROJECT_MARKER

  return (
    <div className="flex flex-col gap-y-2">
      <ProjectSelector form={form} orgSlug={orgSlug} projectRef={projectRef} />
      <ProjectRefHighlighted projectRef={projectRef} />

      {!hasProjectSelected && <Admonition type="default" title="No project has been selected" />}

      {showPlanExpectationInfo &&
        orgSlug &&
        subscriptionPlanId !== 'enterprise' &&
        subscriptionPlanId !== 'platform' &&
        category !== 'Login_issues' && (
          <PlanExpectationInfoBox orgSlug={orgSlug} planId={subscriptionPlanId} />
        )}
    </div>
  )
}

interface ProjectSelectorProps {
  form: UseFormReturn<SupportFormValues>
  orgSlug: string | null
  projectRef: string | null
}

function ProjectSelector({ form, orgSlug, projectRef }: ProjectSelectorProps) {
  const { projectRef: urlProjectRef } = useParams()

  return (
    <FormField_Shadcn_
      name="projectRef"
      control={form.control}
      render={({ field }) => (
        <FormItemLayout hideMessage layout="vertical" label="Which project is affected?">
          <FormControl_Shadcn_>
            <OrganizationProjectSelector
              key={orgSlug}
              sameWidthAsTrigger
              fetchOnMount
              checkPosition="left"
              slug={!orgSlug || orgSlug === NO_ORG_MARKER ? undefined : orgSlug}
              selectedRef={field.value}
              onInitialLoad={(projects) => {
                if (!urlProjectRef && (!projectRef || projectRef === NO_PROJECT_MARKER))
                  field.onChange(projects[0]?.ref ?? NO_PROJECT_MARKER)
              }}
              onSelect={(project) => field.onChange(project.ref)}
              renderTrigger={({ isLoading, project, listboxId, open }) => {
                return (
                  <Button
                    block
                    type="default"
                    role="combobox"
                    aria-label="Select a project"
                    aria-expanded={open}
                    aria-controls={listboxId}
                    size="small"
                    className="justify-between"
                    iconRight={<ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />}
                  >
                    {!!orgSlug && isLoading ? (
                      <ShimmeringLoader className="w-44 py-2" />
                    ) : !field.value || field.value === NO_PROJECT_MARKER ? (
                      'No specific project'
                    ) : (
                      (project?.name ?? 'Unknown project')
                    )}
                  </Button>
                )
              }}
              renderActions={(setOpen) => (
                <CommandGroup_Shadcn_>
                  <CommandItem_Shadcn_
                    className="w-full gap-x-2"
                    onSelect={() => {
                      field.onChange(NO_PROJECT_MARKER)
                      setOpen(false)
                    }}
                  >
                    {field.value === NO_PROJECT_MARKER && <Check size={16} />}
                    <p className={cn(field.value !== NO_PROJECT_MARKER && 'ml-6')}>
                      No specific project
                    </p>
                  </CommandItem_Shadcn_>
                </CommandGroup_Shadcn_>
              )}
            />
          </FormControl_Shadcn_>
        </FormItemLayout>
      )}
    />
  )
}

interface ProjectRefHighlightedProps {
  projectRef: string | null
}

function ProjectRefHighlighted({ projectRef }: ProjectRefHighlightedProps) {
  const isVisible = !!projectRef && projectRef !== NO_PROJECT_MARKER

  return (
    <AnimatePresence>
      {isVisible && (
        <motion.div
          initial={{ opacity: 0, height: 0 }}
          animate={{ opacity: 1, height: 'auto' }}
          exit={{ opacity: 0, height: 0 }}
          transition={{ duration: 0.3 }}
          className="flex items-center gap-x-1"
        >
          <p className="text-sm transition text-foreground-lighter">
            Project ID:{' '}
            <code className="text-code-inline !text-foreground-light">{projectRef}</code>
          </p>
          <CopyButton
            iconOnly
            type="text"
            text={projectRef}
            onClick={() => toast.success('Copied project ID to clipboard')}
          />
        </motion.div>
      )}
    </AnimatePresence>
  )
}

interface PlanExpectationInfoBoxProps {
  orgSlug: string
  planId?: string
}

const PlanExpectationInfoBox = ({ orgSlug, planId }: PlanExpectationInfoBoxProps) => {
  const { billingAll } = useIsFeatureEnabled(['billing:all'])
  const shouldShowUpgradeActions = billingAll && planId !== 'enterprise'

  return (
    <Admonition
      type="default"
      title="Expected response times are based on your organization’s plan"
      description={
        <>
          {planId === 'free' && (
            <p>
              Support on the Free plan is provided through the community and by the team on a
              best-effort basis. For a guaranteed response time, we recommend upgrading to the Pro
              plan. Enhanced support SLAs are available on the Enterprise plan.
            </p>
          )}

          {planId === 'pro' && (
            <p>
              The Pro plan includes email support. In most cases, you can expect a response within 1
              business day for all severities. For prioritized ticketing on all issues and
              prioritized escalation to product engineering, we recommend upgrading to the Team
              plan. Enhanced support SLAs are available on the Enterprise plan.
            </p>
          )}

          {planId === 'team' && (
            <p>
              The Team plan includes email support with prioritized ticketing and escalation to
              product engineering. Low, normal, and high-severity tickets are typically handled
              within 1 business day. Urgent issues are handled within 1 day, 365 days a year.
              Enhanced support SLAs are available on the Enterprise plan.
            </p>
          )}
        </>
      }
      actions={
        shouldShowUpgradeActions && (
          <>
            <Button asChild>
              <Link
                href={`/org/${orgSlug}/billing?panel=subscriptionPlan&source=planSupportExpectationInfoBox`}
              >
                Upgrade plan
              </Link>
            </Button>
            <Button asChild type="default" icon={<ExternalLink />}>
              <Link href="https://supabase.com/contact/enterprise" target="_blank" rel="noreferrer">
                Enquire about Enterprise
              </Link>
            </Button>
          </>
        )
      }
    />
  )
}