import {View} from 'react-native'
import {Plural, Trans, useLingui} from '@lingui/react/macro'

import {createSanitizedDisplayName} from '#/lib/moderation/create-sanitized-display-name'
import {logger} from '#/logger'
import {useModerationOpts} from '#/state/preferences/moderation-opts'
import {useAddGroupMembers} from '#/state/queries/messages/add-group-members'
import {useSession} from '#/state/session'
import {atoms as a, useTheme} from '#/alf'
import {AvatarBubbles} from '#/components/AvatarBubbles'
import {Button, ButtonIcon, ButtonText} from '#/components/Button'
import * as Dialog from '#/components/Dialog'
import {AddMembersFlow} from '#/components/dms/AddMembersFlow'
import {type ConvoWithDetails} from '#/components/dms/util'
import {ChainLink_Stroke2_Corner0_Rounded as ChainLinkIcon} from '#/components/icons/ChainLink'
import {PersonPlus_Stroke2_Corner0_Rounded as PersonPlusIcon} from '#/components/icons/Person'
import * as Toast from '#/components/Toast'
import {Text} from '#/components/Typography'
import {InviteLinkDialog} from './InviteLinkDialog'

export function MessagesListGroupInfoPanel({
  convo,
}: {
  convo: Extract<ConvoWithDetails, {kind: 'group'}>
}) {
  const t = useTheme()
  const {t: l} = useLingui()
  const moderationOpts = useModerationOpts()
  const convoId = convo.view.id

  const addMembersControl = Dialog.useDialogControl()
  const inviteLinkControl = Dialog.useDialogControl()

  const {currentAccount} = useSession()

  const {mutate: addGroupMembers} = useAddGroupMembers(convoId, {
    onSuccess: () => {
      addMembersControl.close()
    },
    onError: e => {
      logger.error('Failed to add group chat members', {message: e})
      Toast.show(l`Failed to add members`, {type: 'error'})
    },
  })

  const isOwner = convo.primaryMember?.did === currentAccount?.did

  const isJoinLinkEnabled =
    isOwner || convo.details.joinLink?.enabledStatus === 'enabled'

  const members = (convo.members ?? []).filter(
    profile => profile.did !== currentAccount?.did,
  )

  let names: React.ReactNode = null
  if (members.length === 1) {
    names = (
      <Trans>New chat with {createSanitizedDisplayName(members[0])}</Trans>
    )
  } else if (members.length === 2) {
    names = (
      <Trans>
        New chat with {createSanitizedDisplayName(members[0])} and{' '}
        {createSanitizedDisplayName(members[1])}
      </Trans>
    )
  } else if (members.length > 2) {
    const memberCount = convo.details.memberCount - 2
    names = (
      <Trans>
        New chat with {createSanitizedDisplayName(members[0])},{' '}
        {createSanitizedDisplayName(members[1])}, and{' '}
        <Plural
          value={memberCount}
          one={`${memberCount} more`}
          other={`${memberCount} more`}
        />
        .
      </Trans>
    )
  }

  const isLocked = convo.details.lockStatus !== 'unlocked'

  const showButtons = !isLocked && (isOwner || isJoinLinkEnabled)

  return (
    <>
      <View style={[a.align_center, a.justify_center]}>
        <AvatarBubbles
          animate={true}
          profiles={convo.members}
          moderationOpts={moderationOpts}
        />
        {convo.details.name ? (
          <Text
            style={[a.text_2xl, a.font_bold, a.mt_lg, a.px_lg, t.atoms.text]}>
            {convo.details.name}
          </Text>
        ) : null}
        {names ? (
          <Text
            style={[
              a.px_lg,
              a.mt_xs,
              a.text_center,
              a.text_sm,
              t.atoms.text_contrast_high,
              showButtons ? null : a.mb_4xl,
            ]}>
            {names}
          </Text>
        ) : null}
        {showButtons ? (
          <View
            style={[
              a.flex_row,
              a.align_center,
              a.justify_center,
              a.gap_sm,
              a.mt_lg,
              a.mb_4xl,
            ]}>
            {isOwner ? (
              <Button
                color="secondary"
                size="small"
                label={l`Click here to add people to this group chat`}
                onPress={() => addMembersControl.open()}>
                <ButtonIcon icon={PersonPlusIcon} />
                <ButtonText>
                  <Trans>Add people</Trans>
                </ButtonText>
              </Button>
            ) : null}
            {isJoinLinkEnabled ? (
              <Button
                color="secondary"
                size="small"
                label={
                  isOwner
                    ? l`Click here to create or manage an invite link for this group chat`
                    : l`Click here to view the invite link for this group chat`
                }
                onPress={inviteLinkControl.open}>
                <ButtonIcon icon={ChainLinkIcon} />
                <ButtonText>
                  <Trans>Invite link</Trans>
                </ButtonText>
              </Button>
            ) : null}
          </View>
        ) : null}
      </View>
      {convo.primaryMember && moderationOpts && (
        <InviteLinkDialog
          convo={convo}
          owner={convo.primaryMember}
          moderationOpts={moderationOpts}
          isOwner={isOwner}
          control={inviteLinkControl}
        />
      )}
      <Dialog.Outer
        control={addMembersControl}
        testID="addChatMembersDialog"
        nativeOptions={{fullHeight: true}}>
        <Dialog.Handle />
        <AddMembersFlow
          convo={convo}
          title={l`Add people`}
          onAddMembers={(members, profiles) =>
            addGroupMembers({members, profiles})
          }
        />
      </Dialog.Outer>
    </>
  )
}