import { TranslationProvider } from "@suaveplan/react-i18n";
import { describe, expect, it } from "@suaveplan/testing/runner";
import { renderComponent } from "@suaveplan/testing-dom";
import { createRef, useState } from "react";
import { createTestI18n } from "../../../tests/setup/test-i18n.js";
import { ThemeProvider } from "../../theme/theme-provider/theme-provider.js";
import { lightTheme } from "../../theme/themes/light.js";
import { Toggle } from "./toggle.js";
import { toggleVariants } from "./toggle.variants.js";

async function withProviders(
    node: React.ReactElement
): Promise<React.ReactElement> {
    const i18n = await createTestI18n({ locale: "en-GB" });
    return (
        <TranslationProvider i18n={i18n}>
            <ThemeProvider themes={[lightTheme]} defaultTheme="light">
                {node}
            </ThemeProvider>
        </TranslationProvider>
    );
}

describe("<Toggle>", () => {
    it("renders a button with default classes", { timeout: 5000 }, async () => {
        const tree = await withProviders(<Toggle aria-label="bold">B</Toggle>);
        const { getByRole } = renderComponent(tree);
        const t = getByRole("button");
        expect(t.tagName).toBe("BUTTON");
        expect(t.className).toContain("rounded-md");
    });

    it("forwards refs to the radix root", { timeout: 5000 }, async () => {
        const ref = createRef<HTMLButtonElement>();
        const tree = await withProviders(
            <Toggle ref={ref} aria-label="ref">
                R
            </Toggle>
        );
        renderComponent(tree);
        expect(ref.current).not.toBeNull();
        expect(ref.current?.tagName).toBe("BUTTON");
    });

    it("toggles pressed state when clicked (controlled)", {
        timeout: 5000,
    }, async () => {
        function Controlled(): React.ReactElement {
            const [pressed, setPressed] = useState(false);
            return (
                <Toggle
                    aria-label="t"
                    pressed={pressed}
                    onPressedChange={setPressed}
                >
                    T
                </Toggle>
            );
        }
        const tree = await withProviders(<Controlled />);
        const { getByRole, user } = renderComponent(tree);
        const t = getByRole("button");
        expect(t.getAttribute("aria-pressed")).toBe("false");
        await user.click(t);
        expect(t.getAttribute("aria-pressed")).toBe("true");
    });

    it("activates via Enter key", { timeout: 5000 }, async () => {
        let count = 0;
        const tree = await withProviders(
            <Toggle
                aria-label="enter"
                onPressedChange={() => {
                    count += 1;
                }}
            >
                E
            </Toggle>
        );
        const { getByRole, user } = renderComponent(tree);
        const t = getByRole("button");
        t.focus();
        await user.keyboard("[Enter]");
        expect(count).toBe(1);
    });

    it("respects the disabled prop", { timeout: 5000 }, async () => {
        let count = 0;
        const tree = await withProviders(
            <Toggle
                aria-label="dis"
                disabled
                onPressedChange={() => {
                    count += 1;
                }}
            >
                D
            </Toggle>
        );
        const { getByRole, user } = renderComponent(tree);
        const t = getByRole("button");
        expect(t.hasAttribute("disabled")).toBe(true);
        await user.click(t);
        expect(count).toBe(0);
    });

    it("renders every variant × size combination from cva", {
        timeout: 5000,
    }, () => {
        const variants = ["default", "outline"] as const;
        const sizes = ["sm", "default", "lg"] as const;
        for (const v of variants) {
            for (const s of sizes) {
                const cls = toggleVariants({ variant: v, size: s });
                expect(typeof cls).toBe("string");
                expect(cls.length).toBeGreaterThan(0);
            }
        }
    });

    it("applies the outline variant", { timeout: 5000 }, async () => {
        const tree = await withProviders(
            <Toggle aria-label="o" variant="outline">
                O
            </Toggle>
        );
        const { getByRole } = renderComponent(tree);
        const t = getByRole("button");
        expect(t.className).toContain("border");
        expect(t.className).toContain("border-input");
    });

    it("merges custom className alongside variant classes", {
        timeout: 5000,
    }, async () => {
        const tree = await withProviders(
            <Toggle aria-label="cls" className="custom-extra-class">
                C
            </Toggle>
        );
        const { getByRole } = renderComponent(tree);
        const t = getByRole("button");
        expect(t.className).toContain("custom-extra-class");
        expect(t.className).toContain("rounded-md");
    });

    it("exposes toggleVariants as a callable resolver", {
        timeout: 5000,
    }, () => {
        const cls = toggleVariants({ variant: "default", size: "default" });
        expect(typeof cls).toBe("string");
        expect(cls.length).toBeGreaterThan(0);
    });
});