import { Tooltip } from "bootstrap";
import { ComponentChildren, CSSProperties } from "preact";
import { useCallback, useEffect, useMemo, useRef } from "preact/hooks";

import { escapeQuotes } from "../../services/utils";
import { useUniqueName } from "./hooks";

interface FormCheckboxProps {
    name?: string;
    label: string | ComponentChildren;
    /**
     * If set, the checkbox label will be underlined and dotted, indicating a hint. When hovered, it will show the hint text.
     */
    hint?: string;
    currentValue: boolean;
    disabled?: boolean;
    onChange(newValue: boolean): void;
    containerStyle?: CSSProperties;
}

export default function FormCheckbox({ name, disabled, label, currentValue, onChange, hint, containerStyle }: FormCheckboxProps) {
    const labelRef = useRef<HTMLLabelElement>(null);
    const id = useUniqueName(name);

    useEffect(() => {
        if (!hint || !labelRef.current) return;

        const tooltipInstance = Tooltip.getOrCreateInstance(labelRef.current, {
            html: true,
            customClass: "tooltip-top"
        });

        return () => tooltipInstance?.dispose();
    }, [hint]);

    const labelStyle = useMemo(() =>
        hint ? { textDecoration: "underline dotted var(--main-text-color)" } : undefined,
    [hint]
    );

    const handleChange = useCallback((e: Event) => {
        onChange((e.target as HTMLInputElement).checked);
    }, [onChange]);

    const titleText = useMemo(() => hint ? escapeQuotes(hint) : undefined, [hint]);

    return (
        <div className={`form-checkbox ${disabled ? "disabled" : ""}`} style={containerStyle}>
            <label
                className="form-check-label tn-checkbox"
                style={labelStyle}
                title={titleText}
                ref={labelRef}
            >
                <input
                    id={id}
                    className="form-check-input"
                    type="checkbox"
                    name={id}
                    checked={currentValue || false}
                    value="1"
                    disabled={disabled}
                    onChange={handleChange} />
                {label}
            </label>
        </div>
    );
}