import type { Meta, StoryObj } from "@storybook/react-vite"
// Usage: preserved native label fixtures do not define a new-screen exception. Use public Label
// for supported fields (docs/components/label.md §5); copy only actions requested by the screen.
import { Button, Drawer, DrawerBody, DrawerClose, DrawerContent, DrawerDescription, DrawerFooter, DrawerHeader, DrawerTitle, DrawerTrigger, Input } from "@hm-design/ui"
import { StateBoard, type BoardState } from "@/components/story-board"
import { StoryPage, StoryPageHeader, StorySection } from "@/components/story-page"

// Drawer is a modal vaul overlay (Portal). The representative Story opens the real Drawer from its triggers; drag the handle or
// the panel down to dismiss. The same cases start open in the verification Stories. vaul owns the drag, Radix the focus and ARIA.

const longText = "긴 내용은 Body 영역만 세로로 scroll 하고 Header와 Footer는 그대로 보입니다. "

function Frame({
  trigger,
  defaultOpen,
  title,
  description,
  children,
  actions,
}: {
  trigger: string
  defaultOpen?: boolean
  title: string
  description?: string
  children: React.ReactNode
  actions?: React.ReactNode
}) {
  return (
    <Drawer defaultOpen={defaultOpen}>
      <DrawerTrigger asChild>
        <Button variant="primary" appearance="outline">
          {trigger}
        </Button>
      </DrawerTrigger>
      <DrawerContent>
        <DrawerHeader>
          <DrawerTitle>{title}</DrawerTitle>
          {description ? <DrawerDescription>{description}</DrawerDescription> : null}
        </DrawerHeader>
        <DrawerBody>{children}</DrawerBody>
        <DrawerFooter>{actions}</DrawerFooter>
      </DrawerContent>
    </Drawer>
  )
}

const actions = (
  <>
    <DrawerClose asChild>
      <Button variant="cancel" appearance="solid">
        취소
      </Button>
    </DrawerClose>
    <DrawerClose asChild>
      <Button variant="primary" appearance="solid">
        실행
      </Button>
    </DrawerClose>
  </>
)

function Basic({ defaultOpen }: { defaultOpen?: boolean }) {
  return (
    <Frame trigger="기본" defaultOpen={defaultOpen} title="작업 선택" description="아래에서 올라오는 패널입니다. 핸들을 아래로 끌어 닫을 수 있습니다." actions={actions}>
      <p>짧은 내용은 내용 높이만큼만 차지합니다.</p>
    </Frame>
  )
}

function FormCase({ defaultOpen }: { defaultOpen?: boolean }) {
  return (
    <Frame trigger="폼" defaultOpen={defaultOpen} title="프로젝트 정보" actions={actions}>
      <div className="grid gap-2">
        <label htmlFor="drawer-form-name" className="text-sm font-medium text-foreground">
          프로젝트명
        </label>
        <Input id="drawer-form-name" size="medium" placeholder="프로젝트명을 입력하세요" />
      </div>
    </Frame>
  )
}

function LongCase({ defaultOpen }: { defaultOpen?: boolean }) {
  return (
    <Frame trigger="긴 내용" defaultOpen={defaultOpen} title="긴 내용" description="Body만 scroll 합니다." actions={actions}>
      {Array.from({ length: 30 }, (_, i) => (
        <p key={i} className="mb-3">
          {longText}
        </p>
      ))}
    </Frame>
  )
}

const meta = { title: "Components/Overlay/Drawer", component: Drawer, parameters: { layout: "centered" } } satisfies Meta<typeof Drawer>
export default meta
type Story = StoryObj<typeof meta>

// Representative-page layout (Storybook presentation only): equal columns on PC (iframe width 1000px and up), fewer below that
// (200px minimum). Each specimen sits in its own single-column StateBoard (min larger than any column), so every subtitle and divider
// has the width of its column; a section with fewer specimens than columns leaves the remaining columns empty. The trigger keeps its
// own size (the wrapper div stretches, the inline-flex trigger does not). Overlays open in a portal, so this layout never affects them.
function SpecimenGrid({ states, columns = 4 }: { states: BoardState[]; columns?: 4 | 5 }) {
  return (
    <div className={`grid items-start gap-6 [grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr))] ${columns === 5 ? "min-[1000px]:grid-cols-5" : "min-[1000px]:grid-cols-4"}`}>
      {states.map((state) => (
        <StateBoard key={state.id} min={10000} states={[{ ...state, children: <div>{state.children}</div> }]} />
      ))}
    </div>
  )
}

// Representative Story: Overview and Usage are merged into one Usage section (Basic, Form, Long Content).
export const All: Story = {
  name: "Drawer",
  parameters: { layout: "fullscreen", controls: { disable: true } },
  render: () => (
    <StoryPage>
      <StoryPageHeader title="Drawer" />
      <StorySection title="Usage">
        <SpecimenGrid
          states={[
            { id: "basic", label: "Basic", children: <Basic /> },
            { id: "form", label: "Form", children: <FormCase /> },
            { id: "long-content", label: "Long Content", children: <LongCase /> },
          ]}
        />
      </StorySection>
    </StoryPage>
  ),
}

export const Open: Story = { tags: ["verification"], render: () => <Basic defaultOpen /> }
export const Form: Story = { tags: ["verification"], render: () => <FormCase defaultOpen /> }
export const LongContent: Story = { tags: ["verification"], name: "Long Content", render: () => <LongCase defaultOpen /> }