import type { ReactNode } from "react"
// 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 { StorySection } from "@/components/story-page"

// Shared Drawer specimens (Storybook only). Used by the Drawer Stories (verification) and by the Sheet representative page,
// which shows Sheet and Drawer under one sidebar item ("시트·드로어").
// Drawer is a modal vaul overlay (Portal). The sections open 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: ReactNode
  actions?: 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>
  </>
)

export function DrawerBasic({ 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>
  )
}

export function DrawerForm({ 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>
  )
}

export function DrawerLong({ 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>
  )
}

// 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
// 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, hideSpecimenLabels }: { states: BoardState[]; hideSpecimenLabels: boolean }) {
  return (
    <div className={`grid items-start gap-6 [grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr))] min-[1000px]:grid-cols-4${hideSpecimenLabels ? " [&_[data-overview-state]>header]:sr-only" : ""}`}>
      {states.map((state) => (
        <StateBoard key={state.id} min={10000} states={[{ ...state, children: <div className={hideSpecimenLabels ? "flex items-start" : undefined}>{state.children}</div> }]} />
      ))}
    </div>
  )
}

// The Drawer section of a representative page: Overview and Usage merged into one Usage section (Basic, Form, Long Content).
// On a shared page `title` names the section after the component (as "Alert Dialog" on the Dialog page) and `idPrefix`
// keeps the specimen ids (data-overview-state) unique.
export function DrawerSections({ title = "Usage", idPrefix = "", hideSpecimenLabels = false }: { title?: string; idPrefix?: string; hideSpecimenLabels?: boolean }) {
  return (
    <StorySection title={title}>
      <SpecimenGrid
        hideSpecimenLabels={hideSpecimenLabels}
        states={[
          { id: `${idPrefix}basic`, label: "Basic", children: <DrawerBasic /> },
          { id: `${idPrefix}form`, label: "Form", children: <DrawerForm /> },
          { id: `${idPrefix}long-content`, label: "Long Content", children: <DrawerLong /> },
        ]}
      />
    </StorySection>
  )
}