/**
 * Storybook stories for `<Label>`.
 *
 * `@storybook/react` is NOT a dep of `@suaveplan/react-ui`; story-meta
 * shapes are inlined.
 */

import {
    createI18n as createI18nNarrow,
    type I18nInstance,
} from "@suaveplan/i18n/plugin";
import { TranslationProvider } from "@suaveplan/react-i18n";

// Widen to `I18nInstance<string>` so the literal-locale narrowing from
// the storybook fixture does not collide with `<TranslationProvider>`'s
// expected `I18nInstance<string>` parameterisation.
function createI18n(
    options: Parameters<typeof createI18nNarrow>[0]
): I18nInstance {
    return createI18nNarrow(options) as unknown as I18nInstance;
}

import type { ReactElement, ReactNode } from "react";
import type { SupportedLocale } from "../../locales/locales.types.js";
import type { ThemePlugin } from "../../theme/theme.types.js";
import { ThemeProvider } from "../../theme/theme-provider/theme-provider.js";
import { darkTheme } from "../../theme/themes/dark.js";
import { highContrastTheme } from "../../theme/themes/high-contrast.js";
import { lightTheme } from "../../theme/themes/light.js";
import { Input } from "../input/input.js";
import { Label } from "./label.js";
import type { LabelProps } from "./label.types.js";

interface Meta<T> {
    readonly component: T;
    readonly title: string;
    readonly tags?: readonly string[];
    readonly parameters?: Record<string, unknown>;
    readonly argTypes?: Record<string, unknown>;
}

interface StoryObj<TArgs> {
    readonly args?: Partial<TArgs>;
    readonly render?: (args: Partial<TArgs>) => ReactNode;
    readonly name?: string;
    readonly parameters?: Record<string, unknown>;
}

const meta: Meta<typeof Label> = {
    component: Label,
    title: "react-ui/Foundation/Label",
    tags: ["autodocs"],
    argTypes: {
        disabled: { control: "boolean" },
    },
};
export default meta;

type Story = StoryObj<LabelProps>;

interface ProviderShellProps {
    readonly locale: SupportedLocale;
    readonly themes: ReadonlyArray<ThemePlugin>;
    readonly defaultTheme: string;
    readonly children: ReactNode;
}

function ProviderShellSync(props: ProviderShellProps): ReactElement {
    const i18n = createI18n({
        defaultLocale: props.locale,
        fallbackLocale: "en-GB",
    });
    return (
        <TranslationProvider i18n={i18n}>
            <ThemeProvider
                themes={props.themes}
                defaultTheme={props.defaultTheme}
            >
                {props.children}
            </ThemeProvider>
        </TranslationProvider>
    );
}

export const Default: Story = {
    render: (args) => (
        <ProviderShellSync
            locale="en-GB"
            themes={[lightTheme]}
            defaultTheme="light"
        >
            <Label {...args} htmlFor="story-default">
                Email
            </Label>
        </ProviderShellSync>
    ),
};

export const Playground: Story = {
    render: (args) => (
        <ProviderShellSync
            locale="en-GB"
            themes={[lightTheme]}
            defaultTheme="light"
        >
            <Label {...args} htmlFor="story-playground">
                {(args.children as ReactNode) ?? "Playground"}
            </Label>
        </ProviderShellSync>
    ),
    args: {
        disabled: false,
    },
};

export const Variants: Story = {
    render: () => (
        <ProviderShellSync
            locale="en-GB"
            themes={[lightTheme]}
            defaultTheme="light"
        >
            <div className="flex flex-col gap-2">
                <Label htmlFor="v1">Default</Label>
                <Label htmlFor="v2" disabled>
                    Disabled
                </Label>
            </div>
        </ProviderShellSync>
    ),
};

export const States: Story = {
    render: () => (
        <ProviderShellSync
            locale="en-GB"
            themes={[lightTheme]}
            defaultTheme="light"
        >
            <div className="flex flex-col gap-2">
                <Label htmlFor="s1">Active</Label>
                <Label htmlFor="s2" disabled>
                    Disabled
                </Label>
            </div>
        </ProviderShellSync>
    ),
};

const LOCALES: ReadonlyArray<SupportedLocale> = [
    "en-GB",
    "zh-CN",
    "ar-AE",
    "cy-GB",
    "ru-RU",
];

const LOCALE_TEXT: Record<SupportedLocale, string> = {
    "en-GB": "Email",
    "zh-CN": "电子邮件",
    "ar-AE": "البريد الإلكتروني",
    "cy-GB": "E-bost",
    "ru-RU": "Электронная почта",
};

export const WithI18n: Story = {
    render: () => (
        <div className="flex flex-col gap-2">
            {LOCALES.map((locale) => (
                <div
                    key={locale}
                    dir={locale === "ar-AE" ? "rtl" : "ltr"}
                    className="flex items-center gap-2"
                >
                    <span style={{ width: 80 }}>{locale}</span>
                    <ProviderShellSync
                        locale={locale}
                        themes={[lightTheme]}
                        defaultTheme="light"
                    >
                        <Label htmlFor={`i18n-${locale}`}>
                            {LOCALE_TEXT[locale]}
                        </Label>
                    </ProviderShellSync>
                </div>
            ))}
        </div>
    ),
};

export const WithRTL: Story = {
    render: () => (
        <div dir="rtl">
            <ProviderShellSync
                locale="ar-AE"
                themes={[lightTheme]}
                defaultTheme="light"
            >
                <Label htmlFor="rtl-x">{LOCALE_TEXT["ar-AE"]}</Label>
            </ProviderShellSync>
        </div>
    ),
};

const THEMES: ReadonlyArray<{
    readonly label: string;
    readonly theme: ThemePlugin;
}> = [
    { label: "light", theme: lightTheme },
    { label: "dark", theme: darkTheme },
    { label: "highContrast", theme: highContrastTheme },
];

export const WithTheme: Story = {
    render: () => (
        <div className="flex flex-col gap-2">
            {THEMES.map(({ label, theme }) => (
                <div key={label} className="flex items-center gap-2 p-3 border">
                    <span style={{ width: 120 }}>{label}</span>
                    <ProviderShellSync
                        locale="en-GB"
                        themes={[theme]}
                        defaultTheme={theme.name}
                    >
                        <Label htmlFor={`t-${label}`}>Email</Label>
                    </ProviderShellSync>
                </div>
            ))}
        </div>
    ),
};

export const A11y: Story = {
    parameters: {
        a11y: {
            element: "#storybook-root",
            config: {
                rules: [
                    { id: "label", enabled: true },
                    { id: "color-contrast", enabled: true },
                ],
            },
        },
    },
    render: () => (
        <ProviderShellSync
            locale="en-GB"
            themes={[lightTheme]}
            defaultTheme="light"
        >
            <div className="flex flex-col gap-1">
                <Label htmlFor="a11y-input">Email</Label>
                <Input id="a11y-input" type="email" />
            </div>
        </ProviderShellSync>
    ),
};

export const Composition: Story = {
    name: "Composition (with Input)",
    render: () => (
        <ProviderShellSync
            locale="en-GB"
            themes={[lightTheme]}
            defaultTheme="light"
        >
            <div className="flex flex-col gap-1">
                <Label htmlFor="comp-input">
                    Email{" "}
                    <span aria-hidden="true" className="text-destructive">
                        *
                    </span>
                </Label>
                <Input
                    id="comp-input"
                    type="email"
                    placeholder={"react-ui.empty.noResults" as never}
                />
            </div>
        </ProviderShellSync>
    ),
};