'use client';

import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import { FileText, Plus, RefreshCw } from 'lucide-react';
import { useTranslations } from 'next-intl';

import { EmptyStateWithBorder } from '@/components/layout/empty';
import { ErrorInline } from '@/components/layout/error';
import { LoadingStateWithBorder } from '@/components/layout/loading';
import { Button } from '@/components/ui/button';
import { PagesService } from '@/lib/services/openflare';

import { ProjectEditorDialog } from './components/project-editor-dialog';
import { ProjectListItem } from './components/project-list-item';
import { projectsQueryKey } from './components/pages-utils';

export default function PagesPage() {
  const t = useTranslations('pages');
  const tCommon = useTranslations('common');
  const [editorOpen, setEditorOpen] = useState(false);

  const projectsQuery = useQuery({
    queryKey: projectsQueryKey,
    queryFn: () => PagesService.listProjects(),
  });

  return (
    <div className='py-6 px-1 space-y-6'>
      <div className='flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between'>
        <div className='flex items-center gap-2'>
          <FileText className='size-5 text-primary' />
          <div>
            <h1 className='text-2xl font-semibold tracking-tight'>
              {t('title')}
            </h1>
            <p className='text-sm text-muted-foreground'>{t('subtitle')}</p>
          </div>
        </div>
        <div className='flex gap-2'>
          <Button
            variant='outline'
            size='sm'
            onClick={() => void projectsQuery.refetch()}
            disabled={projectsQuery.isFetching}
          >
            <RefreshCw
              className={`size-3.5 mr-1 ${projectsQuery.isFetching ? 'animate-spin' : ''}`}
            />
            {t('refresh')}
          </Button>
          <Button size='sm' onClick={() => setEditorOpen(true)}>
            <Plus className='size-3.5 mr-1' />
            {t('create')}
          </Button>
        </div>
      </div>

      {projectsQuery.isError ? (
        <ErrorInline
          message={
            projectsQuery.error instanceof Error
              ? projectsQuery.error.message
              : tCommon('loadFailed')
          }
          onRetry={() => void projectsQuery.refetch()}
        />
      ) : null}

      <div className='space-y-3'>
        {projectsQuery.isLoading ? (
          <LoadingStateWithBorder />
        ) : (projectsQuery.data ?? []).length === 0 ? (
          <EmptyStateWithBorder
            title={t('emptyTitle')}
            description={t('emptyDesc')}
          />
        ) : (
          (projectsQuery.data ?? []).map((project) => (
            <ProjectListItem key={project.id} project={project} />
          ))
        )}
      </div>

      <ProjectEditorDialog open={editorOpen} onOpenChange={setEditorOpen} />
    </div>
  );
}