import { AppShell, NavLink, Group, Title, Box, Select, Text, Paper } from '@repo/ui/components';
import { Outlet, useLocation, useNavigate } from 'react-router-dom';
import { useTranslation } from '@repo/core-i18n';
import { Layout, FileText, Database, ShieldCheck, Lock, Activity, Printer, Globe, Layers, Table2 } from 'lucide-react';
import { DensityType } from '@repo/ui/provider';
import { useThemeStore } from '../core/stores/theme.store';
import { ColorSchemeType } from '@repo/ui/provider';

interface ShowcaseLayoutProps {
  density: DensityType;
  setDensity: (val: DensityType) => void;
}

export default function ShowcaseLayout({ density, setDensity }: ShowcaseLayoutProps) {
  const navigate = useNavigate();
  const location = useLocation();
  const { i18n } = useTranslation();
  const { colorScheme, setColorScheme } = useThemeStore();

  const navItems = [
    { label: 'UI Components', path: '/ui-components', icon: Layout },
    { label: 'Layout Engine', path: '/shell-demo', icon: Layout },
    { label: 'Form Engine', path: '/forms', icon: FileText },
    { label: 'Offline Storage', path: '/storage', icon: Database },
    { label: 'RBAC Engine', path: '/rbac', icon: ShieldCheck },
    { label: 'Auth & Security', path: '/auth', icon: Lock },
    { label: 'Events', path: '/events', icon: Activity },
    { label: 'Hardware', path: '/hardware', icon: Printer },
    { label: 'Action Tools', path: '/action-tools', icon: Layers },
    { label: 'AG Grid', path: '/ag-grid', icon: Table2 },
  ];

  const getSubtitle = () => {
    const currentPath = location.pathname.replace('/', '');

    switch (currentPath) {
      case 'rbac':
        return 'Role-Based Access Control and Permissions';
      case 'storage':
        return 'Offline-First PouchDB Synchronization';
      case 'auth':
        return 'Authentication & Security Layers';
      case 'ui-components':
        return 'Theme, Typography, Forms & Data Grids';
      case 'forms':
        return 'Enterprise Form Engine & Zod Validation';
      case 'events':
        return 'Global Event Bus Synchronization';
      case 'hardware':
        return 'Hardware Integration & Printers';
      case 'layout-engine':
        return 'Core Layout Engine & Variants';
      case 'action-tools':
        return 'Showcase for PageActions and RowActions components';
      case 'ag-grid':
        return 'Enterprise Data Grid with Mantine Theme Integration';
      default:
        return 'Architecture Showcase';
    }
  };

  return (
    <AppShell
      navbar={{
        width: 260,
        breakpoint: 'sm',
      }}
      padding="0"
    >
      <AppShell.Navbar p="md">
        <Box mb="xl">
          <Title order={3} c="brand.7">
            Eigen ERP
          </Title>
          <Text size="xs" c="dimmed">
            Architecture Showcase
          </Text>
        </Box>
        <Box style={{ flex: 1 }}>
          {navItems.map((item) => (
            <NavLink
              key={item.path}
              active={location.pathname === item.path}
              label={item.label}
              leftSection={<item.icon size={18} />}
              onClick={() => navigate(item.path)}
              variant="filled"
              style={{ borderRadius: 'var(--mantine-radius-md)', marginBottom: 4 }}
            />
          ))}
        </Box>

        <Box mt="auto" pt="md" style={{ borderTop: '1px solid var(--mantine-color-default-border)' }}>
          <Select
            label="Color Scheme"
            size="xs"
            mb="xs"
            value={colorScheme}
            onChange={(val) => setColorScheme((val as ColorSchemeType) || 'light')}
            data={[
              { value: 'light', label: 'Light' },
              { value: 'dark', label: 'Dark' },
            ]}
          />
          <Select
            label="Density"
            size="xs"
            value={density}
            onChange={(val) => setDensity((val as DensityType) || 'standard')}
            data={[
              { value: 'compact', label: 'Compact' },
              { value: 'standard', label: 'Standard' },
            ]}
          />
        </Box>
      </AppShell.Navbar>

      <AppShell.Main style={{ display: 'flex', flexDirection: 'column', height: '100vh', overflow: 'hidden' }}>
        <Paper
          p="md"
          radius={0}
          withBorder
          style={{ borderTop: 0, borderLeft: 0, borderRight: 0, zIndex: 10, flexShrink: 0 }}
        >
          <Group justify="space-between">
            <Box>
              <Title order={3}>Architecture Showcase</Title>
              <Text size="sm" c="dimmed">
                {getSubtitle()}
              </Text>
            </Box>
            <Select
              w={180}
              size="sm"
              variant="filled"
              leftSection={<Globe size={16} />}
              data={[
                { value: 'en', label: 'English' },
                { value: 'id', label: 'Bahasa Indonesia' },
              ]}
              value={i18n.resolvedLanguage || i18n.language}
              onChange={(val) => val && i18n.changeLanguage(val)}
            />
          </Group>
        </Paper>

        <Box className="flex-1 overflow-y-auto p-6" style={{ height: 'calc(100vh - 80px)' }}>
          <Outlet />
        </Box>
      </AppShell.Main>
    </AppShell>
  );
}