import type {
    ComponentProps,
    DetailedHTMLProps,
    InputHTMLAttributes,
    LabelHTMLAttributes,
} from "react";
import Row from "../layout/Row";
import twuiSlugify from "../utils/slugify";
import twuiSlugToNormalText from "../utils/slug-to-normal-text";
import { twMerge } from "tailwind-merge";

type Value = {
    value: string;
    title?: string;
    default?: boolean;
};

export type TWUI_FORM_RADIO_PROPS = {
    values: Value[];
    name: string;
    inputProps?: DetailedHTMLProps<
        InputHTMLAttributes<HTMLInputElement>,
        HTMLInputElement
    >;
    labelProps?: DetailedHTMLProps<
        LabelHTMLAttributes<HTMLLabelElement>,
        HTMLLabelElement
    >;
    wrapperProps?: ComponentProps<typeof Row>;
    changeHandler?: (value: string) => void;
    /**
     * Let each radio's label wrap onto multiple lines. By default every
     * radio stays on one line with its label clamped to a single line with
     * an ellipsis, and the full text is shown as the radio's `title` on
     * hover.
     */
    wrap?: boolean;
};

/**
 * # Form Radios Component
 * @className twui-radios
 * @className twui-radio
 * @className twui-radio-label
 * @className twui-radio-indicator - the custom circle; the native input is
 * visually hidden right before it, so target the checked state with
 * `.twui-radio input:checked + .twui-radio-indicator`
 */
export default function Radios({
    values,
    name,
    inputProps,
    labelProps,
    wrapperProps,
    changeHandler,
    wrap,
}: TWUI_FORM_RADIO_PROPS) {
    const finalName = twuiSlugify(name);
    const finalTitle = twuiSlugToNormalText(finalName);

    return (
        <Row
            title={finalTitle}
            {...wrapperProps}
            className={twMerge(
                "gap-4 min-w-0 max-w-full twui-radios",
                wrapperProps?.className,
            )}
        >
            {values.map((v, i) => {
                const valueName = twuiSlugify(`${finalName}-${v.value}`);
                const valueTitle = v.title || twuiSlugToNormalText(v.value);

                return (
                    <Row
                        key={i}
                        title={valueTitle}
                        className={twMerge(
                            "gap-1.5 flex-nowrap min-w-0 max-w-full twui-radio",
                            wrap ? "items-start" : "items-center",
                        )}
                    >
                        <label
                            htmlFor={valueName}
                            className="relative flex items-center shrink-0 h-[1lh] cursor-pointer"
                        >
                            <input
                                id={valueName}
                                type="radio"
                                defaultChecked={v.default}
                                name={finalName}
                                onChange={(e) => {
                                    const targetValue = v.value;
                                    changeHandler?.(targetValue);
                                }}
                                {...inputProps}
                                className={twMerge(
                                    "peer sr-only",
                                    inputProps?.className,
                                )}
                            />
                            <span
                                aria-hidden
                                className={twMerge(
                                    "flex items-center justify-center size-[18px] rounded-full",
                                    "border-2 border-current dark:border-white/50",
                                    "after:size-1.5 after:rounded-full after:bg-white after:scale-0 after:transition-transform",
                                    "peer-checked:bg-primary peer-checked:border-primary peer-checked:after:scale-100",
                                    "peer-focus-visible:outline-2 peer-focus-visible:outline-offset-2",
                                    "peer-disabled:opacity-50 peer-disabled:cursor-not-allowed",
                                    "twui-radio-indicator",
                                )}
                            />
                        </label>
                        <label
                            htmlFor={valueName}
                            {...labelProps}
                            className={twMerge(
                                "select-none min-w-0 max-w-full cursor-pointer twui-radio-label",
                                wrap
                                    ? "whitespace-normal break-words"
                                    : "line-clamp-1 break-all",
                                labelProps?.className,
                            )}
                        >
                            {valueTitle}
                        </label>
                    </Row>
                );
            })}
        </Row>
    );
}