import type { Meta, StoryObj } from '@storybook/react-vite';

import {
  Breadcrumb,
  BreadcrumbEllipsis,
  BreadcrumbItem,
  BreadcrumbLink,
  BreadcrumbList,
  BreadcrumbPage,
  BreadcrumbSeparator,
} from './breadcrumb';

const meta = {
  title: 'Components/Breadcrumb',
  component: Breadcrumb,
  parameters: {
    layout: 'centered',
    docs: {
      description: {
        component:
          'Trail showing where the current page sits. The last crumb is the page you are on — render it as `BreadcrumbPage`, not a link, so it is announced with `aria-current="page"`.\n\n`BreadcrumbList` takes `size` (`xs` 32px, `md` 40px — CBAR builds each crumb from its Button, so these are button heights) and `colorPalette`, which only the separator uses. Note that CBAR does **not** dim the ancestors: every crumb is body ink and only the current page changes weight.',
      },
    },
  },
  tags: ['autodocs'],
} satisfies Meta<typeof Breadcrumb>;

export default meta;
type Story = StoryObj<typeof meta>;

export const Default: Story = {
  render: () => (
    <Breadcrumb>
      <BreadcrumbList>
        <BreadcrumbItem>
          <BreadcrumbLink href="#">Home</BreadcrumbLink>
        </BreadcrumbItem>
        <BreadcrumbSeparator />
        <BreadcrumbItem>
          <BreadcrumbLink href="#">Projects</BreadcrumbLink>
        </BreadcrumbItem>
        <BreadcrumbSeparator />
        <BreadcrumbItem>
          <BreadcrumbPage>Design system</BreadcrumbPage>
        </BreadcrumbItem>
      </BreadcrumbList>
    </Breadcrumb>
  ),
};

/** Collapse the middle when the path is deep rather than wrapping the trail. */
/** The separator stays 16px in both sizes, so the chevrons stay level. */
export const Sizes: Story = {
  render: () => (
    <div className="grid gap-4">
      {(['xs', 'md'] as const).map((size) => (
        <Breadcrumb key={size}>
          <BreadcrumbList size={size}>
            <BreadcrumbItem>
              <BreadcrumbLink href="#">Home</BreadcrumbLink>
            </BreadcrumbItem>
            <BreadcrumbSeparator />
            <BreadcrumbItem>
              <BreadcrumbLink href="#">Projects</BreadcrumbLink>
            </BreadcrumbItem>
            <BreadcrumbSeparator />
            <BreadcrumbItem>
              <BreadcrumbPage>size {size}</BreadcrumbPage>
            </BreadcrumbItem>
          </BreadcrumbList>
        </Breadcrumb>
      ))}
    </div>
  ),
};

export const Collapsed: Story = {
  render: () => (
    <Breadcrumb>
      <BreadcrumbList>
        <BreadcrumbItem>
          <BreadcrumbLink href="#">Home</BreadcrumbLink>
        </BreadcrumbItem>
        <BreadcrumbSeparator />
        <BreadcrumbItem>
          <BreadcrumbEllipsis />
        </BreadcrumbItem>
        <BreadcrumbSeparator />
        <BreadcrumbItem>
          <BreadcrumbLink href="#">Components</BreadcrumbLink>
        </BreadcrumbItem>
        <BreadcrumbSeparator />
        <BreadcrumbItem>
          <BreadcrumbPage>Button</BreadcrumbPage>
        </BreadcrumbItem>
      </BreadcrumbList>
    </Breadcrumb>
  ),
};