import type { Meta, StoryObj } from "@storybook/react-vite"
import { BoldIcon, ItalicIcon, StarIcon } from "lucide-react"
import { Toggle, ToggleGroup, ToggleGroupItem } from "@hm-design/ui"
import { StateBoard, type BoardState } from "@/components/story-board"
import { StoryPage, StoryPageHeader, StorySection } from "@/components/story-page"

// Toggle is a persistent pressed-state control. The representative Story shows each state with real, clickable toggles; the same
// specimens also exist as Stories tagged `verification` (hidden from the sidebar). Icon-only toggles carry an `aria-label`.

function OffOn() {
  return (
    <div className="flex flex-wrap items-center gap-3">
      <Toggle>Off</Toggle>
      <Toggle defaultPressed>On</Toggle>
      <Toggle variant="outline">Outline off</Toggle>
      <Toggle variant="outline" defaultPressed>
        Outline on
      </Toggle>
    </div>
  )
}

function WithIcon() {
  return (
    <div className="flex flex-wrap items-center gap-3">
      <Toggle aria-label="굵게">
        <BoldIcon />
      </Toggle>
      <Toggle aria-label="기울임" defaultPressed>
        <ItalicIcon />
      </Toggle>
      <Toggle variant="outline">
        <StarIcon />
        즐겨찾기
      </Toggle>
    </div>
  )
}

function Sizes() {
  return (
    // 3 equal columns on PC (iframe width 1000px and up): sm / default / lg; fewer columns below that (240px minimum).
    <div className="grid items-start gap-6 [grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr))] min-[1000px]:grid-cols-3">
      {(["sm", "default", "lg"] as const).map((size) => (
        <div key={size} data-toggle-size={size} className="flex flex-wrap items-center gap-3">
          <Toggle size={size} variant="outline" aria-label={`${size} icon-only`}><StarIcon /></Toggle>
          <Toggle size={size} variant="outline"><StarIcon />즐겨찾기</Toggle>
          <Toggle size={size} variant="outline">{size}</Toggle>
        </div>
      ))}
    </div>
  )
}

function Disabled() {
  return (
    <div className="flex flex-wrap items-center gap-3">
      <Toggle disabled>Disabled off</Toggle>
      <Toggle disabled defaultPressed>
        Disabled on
      </Toggle>
    </div>
  )
}

const sections = [
  { id: "offon", label: "Off / On", node: <OffOn /> },
  { id: "disabled", label: "Disabled", node: <Disabled /> },
]

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

// Representative-page layout (Storybook presentation only). StateBoard's own auto-fill grid cannot give equal columns that
// fill a cell, so each specimen sits in its own single-column StateBoard (min larger than any column) inside a grid.
const specimen = (id: string): BoardState => {
  const s = sections.find((section) => section.id === id)!
  return { id: s.id, label: s.label, children: s.node }
}
function SpecimenGrid({ states }: { states: BoardState[] }) {
  return (
    <div className="grid items-start gap-6 [grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr))] min-[1000px]:grid-cols-3">
      {states.map((state) => (
        <StateBoard key={state.id} min={10000} states={[state]} />
      ))}
    </div>
  )
}

// Representative Story: the common Story page; the sections group the same specimens.
// Overview is renamed Variants. On PC (iframe width 1000px and up) Variants and States use the first two of the same 3 equal
// columns as the rows below, and the third column stays empty; below that they stack.
export const All: Story = {
  name: "Toggle",
  parameters: { layout: "fullscreen", controls: { disable: true } },
  render: () => (
    <StoryPage>
      <StoryPageHeader title="Toggle" />
      <div className="grid gap-x-6 min-[1000px]:grid-cols-3">
        <StorySection title="Variants">
          <StateBoard min={10000} states={[specimen("offon")]} />
        </StorySection>
        <StorySection title="States">
          <StateBoard min={10000} states={[specimen("disabled")]} />
        </StorySection>
      </div>
      <StorySection title="단독 · 연결 그룹">
        <SpecimenGrid
          states={[
            { id: "single-toggle", label: "단독", children: <Toggle variant="outline">알림</Toggle> },
            { id: "group-single", label: "연결 그룹 · 단일 선택", children: <ToggleGroup type="single" variant="outline" defaultValue="left" aria-label="정렬"><ToggleGroupItem value="left">왼쪽</ToggleGroupItem><ToggleGroupItem value="center">가운데</ToggleGroupItem><ToggleGroupItem value="right">오른쪽</ToggleGroupItem></ToggleGroup> },
            { id: "group-multiple", label: "연결 그룹 · 다중 선택", children: <ToggleGroup type="multiple" variant="outline" defaultValue={["bold"]} aria-label="글자 스타일"><ToggleGroupItem value="bold">굵게</ToggleGroupItem><ToggleGroupItem value="italic">기울임</ToggleGroupItem></ToggleGroup> },
          ]}
        />
      </StorySection>
      <StorySection title="Sizes">
        <Sizes />
      </StorySection>
    </StoryPage>
  ),
}

export const States: Story = { tags: ["verification"], render: () => <OffOn /> }
export const IconOnly: Story = { tags: ["verification"], name: "Icon Only", render: () => <WithIcon /> }
export const DisabledToggle: Story = { tags: ["verification"], name: "Disabled", render: () => <Disabled /> }

export const ContentNodes: Story = {
  tags: ["verification"],
  render: () => (
    <div className="flex flex-wrap gap-3">
      <Toggle aria-label="Array icon">{[<StarIcon key="icon" />]}</Toggle>
      <Toggle aria-label="Fragment icon"><><StarIcon /></></Toggle>
      <Toggle><><StarIcon />즐겨찾기</></Toggle>
      <Toggle><StarIcon /><span>즐겨찾기</span></Toggle>
    </div>
  ),
}