import { useState } from 'react';
import {
  Button,
  IconButton,
  TextField,
  TextArea,
  SearchField,
  Select,
  Switch,
  Checkbox,
  RadioGroup,
  RadioItem,
  Control,
  SegmentedControl,
  Slider,
  Stepper,
  Tabs,
  TabsList,
  TabsContent,
  Progress,
  Badge,
  Chip,
  Card,
  List,
  Row,
  Menu,
  MenuTrigger,
  MenuContent,
  MenuItem,
  MenuSeparator,
  Tooltip,
  Spinner,
  Callout,
  Table,
  THead,
  TBody,
  Tr,
  Th,
  Td,
  Dialog,
  DialogClose,
  AlertDialog,
  Window,
  useTheme,
} from '@olly/modern-sk';

const sectionStyle: React.CSSProperties = {
  display: 'flex',
  flexDirection: 'column',
  gap: '0.75rem',
};

const rowWrap: React.CSSProperties = {
  display: 'flex',
  flexWrap: 'wrap',
  gap: '0.75rem',
  alignItems: 'center',
};

const labelStyle: React.CSSProperties = {
  fontSize: '0.75rem',
  fontWeight: 600,
  textTransform: 'uppercase',
  letterSpacing: '0.05em',
  color: 'var(--color-text-3)',
};

function Section({
  title,
  children,
}: {
  title: string;
  children: React.ReactNode;
}) {
  return (
    <Card style={{ padding: '1.25rem', ...sectionStyle }}>
      <span style={labelStyle}>{title}</span>
      {children}
    </Card>
  );
}

export function HomePage() {
  const { theme, setTheme } = useTheme();
  const [search, setSearch] = useState('');
  const [select, setSelect] = useState<string | undefined>();
  const [seg, setSeg] = useState('list');
  const [tab, setTab] = useState('one');
  const [vol, setVol] = useState([60]);
  const [count, setCount] = useState(3);
  const [chips, setChips] = useState(['rock', 'jazz', 'ambient']);
  const [switchOn, setSwitchOn] = useState(true);
  const [radio, setRadio] = useState('a');

  return (
    <div style={{ overflow: 'auto', height: '100%' }}>
      <div
        style={{
          padding: '1.5rem',
          display: 'flex',
          flexDirection: 'column',
          gap: '1.25rem',
          maxWidth: '64rem',
          margin: '0 auto',
        }}
      >
        <div
          style={{
            display: 'flex',
            alignItems: 'center',
            justifyContent: 'space-between',
          }}
        >
          <div>
            <h1 style={{ margin: 0, fontSize: '1.5rem', fontWeight: 700 }}>
              ♫ MCMA — Component Kitchen Sink
            </h1>
            <p
              style={{
                margin: '0.25rem 0 0',
                color: 'var(--color-text-2)',
                fontSize: '0.875rem',
              }}
            >
              modern-sk reference. Project base ready for development.
            </p>
          </div>
          <Tooltip content={`Switch to ${theme === 'dark' ? 'light' : 'dark'}`}>
            <Button
              variant="ghost"
              onClick={() => setTheme(theme === 'dark' ? 'light' : 'dark')}
            >
              {theme === 'dark' ? '☾ Dark' : '☀ Light'}
            </Button>
          </Tooltip>
        </div>

        <Section title="Buttons">
          <div style={rowWrap}>
            <Button variant="key">Key</Button>
            <Button variant="primary">Primary</Button>
            <Button variant="ember">Ember</Button>
            <Button variant="ghost">Ghost</Button>
            <Button variant="primary" size="sm">
              Small
            </Button>
            <Button variant="primary" disabled>
              Disabled
            </Button>
          </div>
          <div style={rowWrap}>
            <IconButton variant="primary" aria-label="Play">
              ▶
            </IconButton>
            <IconButton variant="ghost" aria-label="Next">
              ⏭
            </IconButton>
            <IconButton variant="ember" size="lg" aria-label="Stop">
              ⏹
            </IconButton>
            <Stepper
              onDecrement={() => setCount((c) => c - 1)}
              onIncrement={() => setCount((c) => c + 1)}
            />
            <span
              style={{ fontSize: '0.875rem', color: 'var(--color-text-2)' }}
            >
              count: {count}
            </span>
          </div>
        </Section>

        <Section title="Inputs">
          <div style={rowWrap}>
            <TextField placeholder="Text field" style={{ width: '14rem' }} />
            <SearchField
              icon="⌕"
              value={search}
              onChange={(e) => setSearch(e.target.value)}
              placeholder="Search…"
              style={{ width: '14rem' }}
            />
            <Select
              placeholder="Pick genre"
              aria-label="Genre"
              value={select}
              onValueChange={setSelect}
              items={[
                { value: 'rock', label: 'Rock' },
                { value: 'jazz', label: 'Jazz' },
                { value: 'ambient', label: 'Ambient' },
              ]}
            />
          </div>
          <TextArea placeholder="Text area / description…" rows={3} />
        </Section>

        <Section title="Toggles & selection">
          <div style={rowWrap}>
            <Control
              control={
                <Switch checked={switchOn} onCheckedChange={setSwitchOn} />
              }
            >
              Switch
            </Control>
            <Control control={<Checkbox defaultChecked />}>Checkbox</Control>
          </div>
          <RadioGroup
            value={radio}
            onValueChange={setRadio}
            style={{ display: 'flex', gap: '1rem' }}
          >
            <Control control={<RadioItem value="a" />}>Option A</Control>
            <Control control={<RadioItem value="b" />}>Option B</Control>
            <Control control={<RadioItem value="c" />}>Option C</Control>
          </RadioGroup>
          <SegmentedControl
            value={seg}
            onValueChange={setSeg}
            items={[
              { value: 'list', label: 'List' },
              { value: 'grid', label: 'Grid' },
              { value: 'compact', label: 'Compact' },
            ]}
          />
        </Section>

        <Section title="Sliders & progress">
          <Slider
            min={0}
            max={100}
            step={1}
            value={vol}
            onValueChange={setVol}
            notches="bottom"
          />
          <span style={{ fontSize: '0.875rem', color: 'var(--color-text-2)' }}>
            value: {vol[0]}
          </span>
          <Progress value={vol[0]} />
        </Section>

        <Section title="Badges, chips, spinner">
          <div style={rowWrap}>
            <Badge variant="lime" dot>
              On server
            </Badge>
            <Badge variant="ember" dot>
              Error
            </Badge>
            <Badge variant="neutral">Neutral</Badge>
            <Badge variant="outline">Outline</Badge>
            <Spinner size="sm" />
            <Spinner size="lg" />
          </div>
          <div style={rowWrap}>
            {chips.map((c) => (
              <Chip
                key={c}
                onRemove={() => setChips((prev) => prev.filter((x) => x !== c))}
              >
                {c}
              </Chip>
            ))}
            {chips.length === 0 && (
              <span
                style={{ fontSize: '0.875rem', color: 'var(--color-text-3)' }}
              >
                all removed
              </span>
            )}
          </div>
        </Section>

        <Section title="Callouts">
          <Callout variant="info">
            Info — backend address resolves from runtime → env → relative
            /api/v1.
          </Callout>
          <Callout variant="success">
            Success — typecheck and lint pass clean.
          </Callout>
          <Callout variant="warning">
            Warning — most feature screens are still stubs.
          </Callout>
          <Callout variant="danger">
            Danger — destructive actions use AlertDialog.
          </Callout>
        </Section>

        <Section title="Tabs">
          <Tabs value={tab} onValueChange={setTab}>
            <TabsList
              items={[
                { value: 'one', label: 'First' },
                { value: 'two', label: 'Second' },
                { value: 'three', label: 'Third' },
              ]}
            />
            <TabsContent
              value="one"
              style={{
                padding: '0.75rem 0',
                color: 'var(--color-text-2)',
                fontSize: '0.875rem',
              }}
            >
              First panel
            </TabsContent>
            <TabsContent
              value="two"
              style={{
                padding: '0.75rem 0',
                color: 'var(--color-text-2)',
                fontSize: '0.875rem',
              }}
            >
              Second panel
            </TabsContent>
            <TabsContent
              value="three"
              style={{
                padding: '0.75rem 0',
                color: 'var(--color-text-2)',
                fontSize: '0.875rem',
              }}
            >
              Third panel
            </TabsContent>
          </Tabs>
        </Section>

        <Section title="List & rows">
          <List>
            <Row style={{ padding: '0.5rem 0.75rem' }}>Track one — Artist</Row>
            <Row selected style={{ padding: '0.5rem 0.75rem' }}>
              Track two — Artist (selected)
            </Row>
            <Row style={{ padding: '0.5rem 0.75rem' }}>
              Track three — Artist
            </Row>
          </List>
        </Section>

        <Section title="Table">
          <Table>
            <THead>
              <Tr>
                <Th>Title</Th>
                <Th>Artist</Th>
                <Th>Duration</Th>
              </Tr>
            </THead>
            <TBody>
              <Tr>
                <Td>Intro</Td>
                <Td>Aphex</Td>
                <Td>2:14</Td>
              </Tr>
              <Tr selected>
                <Td>Windowlicker</Td>
                <Td>Aphex</Td>
                <Td>6:07</Td>
              </Tr>
              <Tr>
                <Td>Avril 14th</Td>
                <Td>Aphex</Td>
                <Td>2:01</Td>
              </Tr>
            </TBody>
          </Table>
        </Section>

        <Section title="Menu, Dialog, AlertDialog">
          <div style={rowWrap}>
            <Menu>
              <MenuTrigger asChild>
                <Button variant="ghost">Open menu ▾</Button>
              </MenuTrigger>
              <MenuContent>
                <MenuItem>Play</MenuItem>
                <MenuItem shortcut="⌘N">Add to queue</MenuItem>
                <MenuSeparator />
                <MenuItem>Edit metadata</MenuItem>
              </MenuContent>
            </Menu>

            <Dialog
              trigger={<Button variant="primary">Open dialog</Button>}
              title="Dialog title"
              description="Composed from modern-sk primitives."
              footer={
                <DialogClose asChild>
                  <Button variant="primary">Done</Button>
                </DialogClose>
              }
            >
              <p
                style={{
                  color: 'var(--color-text-2)',
                  fontSize: '0.875rem',
                  margin: 0,
                }}
              >
                Dialog body content.
              </p>
            </Dialog>

            <AlertDialog
              trigger={<Button variant="ember">Delete…</Button>}
              title="Delete track?"
              description="This permanently removes the file from the server."
              actionLabel="Delete"
              destructive
              onAction={() => undefined}
            />
          </div>
        </Section>

        <Section title="Window">
          <Window
            title="Now Playing"
            badge={
              <Badge variant="lime" dot>
                live
              </Badge>
            }
          >
            <p
              style={{
                color: 'var(--color-text-2)',
                fontSize: '0.875rem',
                margin: 0,
              }}
            >
              Window chrome for grouped content.
            </p>
          </Window>
        </Section>
      </div>
    </div>
  );
}