import { SupabaseClient } from '@supabase/supabase-js';

import { PlusCircle } from 'lucide-react';

import { getSupabaseServerComponentClient } from '@kit/supabase/server-component-client';
import {
  AccountInvitationsTable,
  AccountMembersTable,
  InviteMembersDialogContainer,
} from '@kit/team-accounts/components';
import { Button } from '@kit/ui/button';
import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from '@kit/ui/card';
import { If } from '@kit/ui/if';
import { PageBody, PageHeader } from '@kit/ui/page';
import { Trans } from '@kit/ui/trans';

import { Database } from '~/lib/database.types';
import { createI18nServerInstance } from '~/lib/i18n/i18n.server';
import { withI18n } from '~/lib/i18n/with-i18n';

import { loadTeamWorkspace } from '../_lib/server/team-account-workspace.loader';

interface Params {
  params: {
    account: string;
  };
}

async function loadUser(client: SupabaseClient<Database>) {
  const { data, error } = await client.auth.getUser();

  if (error) {
    throw error;
  }

  return data.user;
}

async function loadAccountMembers(
  client: SupabaseClient<Database>,
  account: string,
) {
  const { data, error } = await client.rpc('get_account_members', {
    account_slug: account,
  });

  if (error) {
    console.error(error);
    throw error;
  }

  return data ?? [];
}

async function loadInvitations(
  client: SupabaseClient<Database>,
  account: string,
) {
  const { data, error } = await client.rpc('get_account_invitations', {
    account_slug: account,
  });

  if (error) {
    console.error(error);
    throw error;
  }

  return data ?? [];
}

async function loadData(client: SupabaseClient<Database>, slug: string) {
  return Promise.all([
    loadTeamWorkspace(slug),
    loadAccountMembers(client, slug),
    loadInvitations(client, slug),
    loadUser(client),
  ]);
}

export const generateMetadata = async () => {
  const i18n = await createI18nServerInstance();
  const title = i18n.t('teams:members.pageTitle');

  return {
    title,
  };
};

async function TeamAccountMembersPage({ params }: Params) {
  const client = getSupabaseServerComponentClient();

  const [{ account }, members, invitations, user] = await loadData(
    client,
    params.account,
  );

  const canManageRoles = account.permissions.includes('roles.manage');
  const canManageInvitations = account.permissions.includes('invites.manage');

  const isPrimaryOwner = account.primary_owner_user_id === user.id;
  const currentUserRoleHierarchy = account.role_hierarchy_level;

  return (
    <>
      <PageHeader
        title={<Trans i18nKey={'common:membersTabLabel'} />}
        description={<Trans i18nKey={'common:membersTabDescription'} />}
      />

      <PageBody>
        <div
          className={'mx-auto flex w-full max-w-3xl flex-col space-y-6 pb-32'}
        >
          <Card>
            <CardHeader className={'flex flex-row justify-between'}>
              <div className={'flex flex-col space-y-1.5'}>
                <CardTitle>
                  <Trans i18nKey={'common:membersTabLabel'} />
                </CardTitle>

                <CardDescription>
                  <Trans i18nKey={'common:membersTabDescription'} />
                </CardDescription>
              </div>

              <If condition={canManageInvitations}>
                <InviteMembersDialogContainer
                  userRoleHierarchy={currentUserRoleHierarchy}
                  accountId={account.id}
                  accountSlug={account.slug}
                >
                  <Button size={'sm'}>
                    <PlusCircle className={'mr-2 w-4'} />

                    <span>
                      <Trans i18nKey={'teams:inviteMembersButton'} />
                    </span>
                  </Button>
                </InviteMembersDialogContainer>
              </If>
            </CardHeader>

            <CardContent>
              <AccountMembersTable
                userRoleHierarchy={currentUserRoleHierarchy}
                currentUserId={user.id}
                currentAccountId={account.id}
                members={members}
                isPrimaryOwner={isPrimaryOwner}
                canManageRoles={canManageRoles}
              />
            </CardContent>
          </Card>

          <Card>
            <CardHeader className={'flex flex-row justify-between'}>
              <div className={'flex flex-col space-y-1.5'}>
                <CardTitle>
                  <Trans i18nKey={'teams:pendingInvitesHeading'} />
                </CardTitle>

                <CardDescription>
                  <Trans i18nKey={'teams:pendingInvitesDescription'} />
                </CardDescription>
              </div>
            </CardHeader>

            <CardContent>
              <AccountInvitationsTable
                permissions={{
                  canUpdateInvitation: canManageRoles,
                  canRemoveInvitation: canManageRoles,
                  currentUserRoleHierarchy,
                }}
                invitations={invitations}
              />
            </CardContent>
          </Card>
        </div>
      </PageBody>
    </>
  );
}

export default withI18n(TeamAccountMembersPage);