import React, {ChangeEvent, KeyboardEvent, useRef, useState} from "react";
import AddActionButton from "@/components/form/AddActionButton";

interface InlineAddInputProps {
    value: string;
    setValue: (value: string) => void;
    numericalValue?: number;
    setNumericalValue?: (value: number) => void;
    placeholder: string;
    onAdd: () => Promise<void>;
    showNumericalInput?: boolean;
}

export default function InlineAddInput(
    {
        value,
        setValue,
        numericalValue,
        setNumericalValue,
        placeholder,
        onAdd,
        showNumericalInput = false
    }: InlineAddInputProps) {
    const [isAdding, setIsAdding] = useState<boolean>(false);
    const listItemRef = useRef<HTMLLIElement>(null);
    
    async function handleAdd(): Promise<void> {
        await onAdd();
        setIsAdding(false);
    }
    
    return (
        <li
            ref={listItemRef}
            onBlur={(e: React.FocusEvent<HTMLLIElement, Element>): void => {
                if (!listItemRef.current?.contains(e.relatedTarget)) {
                    setIsAdding(false);
                }
            }}
            className="relative flex items-center gap-1 h-[44px] px-3 bg-secondary/30 rounded-xl border-2 border-dashed border-secondary/50 hover:border-primary/60 hover:bg-secondary/50 cursor-pointer transition-colors duration-200"
        >
            {showNumericalInput && numericalValue !== undefined && setNumericalValue && (
                <input
                    className={`bg-secondary/50 text-primary text-sm px-1.5 py-0.5 rounded border border-secondary/50 transition-all duration-200 !outline-none !ring-0 !shadow-none focus-visible:!outline-none focus-visible:!ring-0 focus-visible:!shadow-none ${isAdding ? 'w-10 opacity-100' : 'w-0 opacity-0 px-0 border-0'}`}
                    type="number"
                    value={numericalValue}
                    onChange={(e: ChangeEvent<HTMLInputElement>) => setNumericalValue(parseInt(e.target.value))}
                    tabIndex={isAdding ? 0 : -1}
                />
            )}
            <input
                onFocus={(): void => setIsAdding(true)}
                onKeyUp={async (e: KeyboardEvent<HTMLInputElement>) => {
                    if (e.key === 'Enter') {
                        await handleAdd();
                    }
                }}
                className="flex-1 min-w-0 bg-transparent text-text-primary text-sm px-1 py-0.5 cursor-pointer focus:cursor-text placeholder:text-muted/60 transition-all duration-200 !outline-none !ring-0 !shadow-none focus-visible:!outline-none focus-visible:!ring-0 focus-visible:!shadow-none"
                type="text"
                onChange={(e: ChangeEvent<HTMLInputElement>) => setValue(e.target.value)}
                value={value}
                placeholder={placeholder}
            />
            {isAdding && (
                <div className="absolute right-1 opacity-100">
                    <AddActionButton callBackAction={handleAdd}/>
                </div>
            )}
        </li>
    );
}