'use client';

import { useState, useEffect, useRef } from 'react';
import { useRouter, usePathname } from 'next/navigation';
import { Locale, locales, localeNames, localeFlags } from '../lib/i18n';

interface FloatingLanguageSwitcherProps {
    locale: Locale;
}

export default function FloatingLanguageSwitcher({ locale }: FloatingLanguageSwitcherProps) {
    const [isOpen, setIsOpen] = useState(false);
    const [isVisible, setIsVisible] = useState(true);
    const [isMounted, setIsMounted] = useState(false);
    const router = useRouter();
    const pathname = usePathname();
    const switcherRef = useRef<HTMLDivElement>(null);
    const lastScrollY = useRef(0);

    // Ensure component is mounted before rendering to avoid hydration issues
    useEffect(() => {
        setIsMounted(true);
    }, []);

    // Handle scroll to show/hide the switcher (temporarily disabled for visibility)
    useEffect(() => {
        // Keep the switcher always visible for now
        setIsVisible(true);

        // Uncomment below to re-enable scroll hiding
        /*
    const handleScroll = () => {
    const currentScrollY = window.scrollY;
    if (currentScrollY > lastScrollY.current && currentScrollY > 100) {
    // Scrolling down
    setIsVisible(false);
    } else {
    // Scrolling up
    setIsVisible(true);
    }
    lastScrollY.current = currentScrollY;
    };
    window.addEventListener('scroll', handleScroll, { passive: true });
    return () => window.removeEventListener('scroll', handleScroll);
    */
    }, []);

    // Close menu when clicking outside
    useEffect(() => {
        const handleClickOutside = (event: MouseEvent) => {
            // Add a small delay to ensure button click is processed first
            setTimeout(() => {
                if (switcherRef.current && !switcherRef.current.contains(event.target as Node)) {
                    setIsOpen(false);
                }
            }, 10);
        };

        if (isOpen) {
            document.addEventListener('mousedown', handleClickOutside);
        }

        return () => {
            document.removeEventListener('mousedown', handleClickOutside);
        };
    }, [isOpen]);

    const switchLanguage = (newLocale: Locale) => {
        console.log('Switching language from', locale, 'to', newLocale);
        console.log('Current pathname:', pathname);

        try {
            // Get the current path segments
            const pathSegments = pathname.split('/').filter(Boolean);
            console.log('Path segments:', pathSegments);

            // Remove the current locale from the beginning if it exists
            if (pathSegments[0] && locales.includes(pathSegments[0] as Locale)) {
                pathSegments.shift();
            }

            // Construct the new path with the new locale
            const newPath = `/${newLocale}${pathSegments.length > 0 ? '/' + pathSegments.join('/') : ''}`;
            console.log('New path:', newPath);

            // Use replace instead of push to avoid history issues
            router.replace(newPath);
            setIsOpen(false);
        } catch (error) {
            console.error('Error switching language:', error);
            // Fallback to simple navigation
            router.replace(`/${newLocale}`);
            setIsOpen(false);
        }
    };

    // Don't render until mounted to avoid hydration issues
    if (!isMounted) {
        return null;
    }

    return (
        <div
            ref={switcherRef}
            className={`fixed right-4 md:right-6 top-1/2 -translate-y-1/2 transition-all duration-300 ${
                isVisible ? 'translate-x-0 opacity-100' : 'translate-x-full opacity-0'
            }`}
            style={{
                pointerEvents: 'auto',
                isolation: 'isolate',
                zIndex: 999999,
                position: 'fixed',
            }}
            data-oid="taerglg"
        >
            {/* Main Switcher Button */}
            <button
                onClick={(e) => {
                    e.preventDefault();
                    e.stopPropagation();
                    console.log('Button clicked, current isOpen:', isOpen);
                    const newState = !isOpen;
                    setIsOpen(newState);
                    console.log('Setting isOpen to:', newState);
                }}
                onMouseDown={(e) => {
                    e.preventDefault();
                    e.stopPropagation();
                }}
                className="group relative bg-slate-800/90 border-2 border-green-400/50 rounded-full p-3 shadow-2xl hover:bg-slate-700/90 hover:border-green-400 transition-all duration-200 cursor-pointer"
                title={`Current: ${localeNames[locale]}`}
                type="button"
                style={{
                    pointerEvents: 'auto',
                    touchAction: 'manipulation',
                    zIndex: 1000000,
                    position: 'relative',
                }}
                data-oid="_:fx8.e"
            >
                <div className="flex items-center justify-center w-8 h-8" data-oid="di.5x8v">
                    <span className="text-2xl" data-oid="ll7ebjo">
                        {localeFlags[locale]}
                    </span>
                </div>

                {/* Tooltip */}
                <div
                    className="absolute right-full mr-3 top-1/2 -translate-y-1/2 bg-slate-800/95 backdrop-blur-md text-white px-3 py-2 rounded-lg text-sm font-medium opacity-0 group-hover:opacity-100 transition-opacity duration-200 pointer-events-none whitespace-nowrap"
                    data-oid=":kya.x4"
                >
                    {localeNames[locale]}
                    <div
                        className="absolute left-full top-1/2 -translate-y-1/2 border-4 border-transparent border-l-slate-800/95"
                        data-oid="01-w6mc"
                    ></div>
                </div>
            </button>

            {/* Language Options */}
            {isOpen && (
                <div
                    className="absolute right-full mr-3 md:mr-4 top-1/2 -translate-y-1/2 bg-slate-800/98 rounded-2xl shadow-2xl border-2 border-green-400/30 overflow-hidden min-w-[180px] md:min-w-[200px]"
                    style={{
                        zIndex: 1000001,
                        pointerEvents: 'auto',
                    }}
                    data-oid="e1v:81b"
                >
                    <div className="p-2" data-oid="xcuqg9t">
                        <div
                            className="px-3 py-2 text-xs font-medium text-white/60 uppercase tracking-wider border-b border-white/10 mb-2"
                            data-oid="_jrtjyl"
                        >
                            Select Language
                        </div>

                        <div className="space-y-1" data-oid="tg0y3c4">
                            {locales.map((loc) => (
                                <button
                                    key={loc}
                                    onClick={(e) => {
                                        e.preventDefault();
                                        e.stopPropagation();
                                        console.log('Language option clicked:', loc);
                                        // Add immediate feedback
                                        e.currentTarget.style.backgroundColor =
                                            'rgba(34, 197, 94, 0.3)';
                                        setTimeout(() => {
                                            switchLanguage(loc);
                                        }, 100);
                                    }}
                                    onMouseDown={(e) => {
                                        e.preventDefault();
                                        e.stopPropagation();
                                    }}
                                    className={`w-full text-left px-3 py-3 rounded-xl flex items-center space-x-3 transition-all duration-200 cursor-pointer ${
                                        locale === loc
                                            ? 'bg-green-500/30 text-green-400 border border-green-500/50'
                                            : 'text-white hover:bg-green-500/20 hover:text-green-400'
                                    }`}
                                    type="button"
                                    style={{
                                        pointerEvents: 'auto',
                                        touchAction: 'manipulation',
                                        zIndex: 1000002,
                                    }}
                                    data-oid="i3cq3gh"
                                >
                                    <span className="text-lg" data-oid="kl5sqzg">
                                        {localeFlags[loc]}
                                    </span>
                                    <div className="flex-1" data-oid="ump7m:6">
                                        <span className="font-medium" data-oid="lsnf7ck">
                                            {localeNames[loc]}
                                        </span>
                                        {locale === loc && (
                                            <div
                                                className="text-xs text-green-400/70 mt-0.5"
                                                data-oid="6e9d:gj"
                                            >
                                                Current
                                            </div>
                                        )}
                                    </div>
                                    {locale === loc && (
                                        <svg
                                            className="w-4 h-4 text-green-400"
                                            fill="none"
                                            stroke="currentColor"
                                            viewBox="0 0 24 24"
                                            data-oid="v2bjs6b"
                                        >
                                            <path
                                                strokeLinecap="round"
                                                strokeLinejoin="round"
                                                strokeWidth={2}
                                                d="M5 13l4 4L19 7"
                                                data-oid="mmqle:5"
                                            />
                                        </svg>
                                    )}
                                </button>
                            ))}
                        </div>
                    </div>

                    {/* Arrow pointing to the button */}
                    <div
                        className="absolute left-full top-1/2 -translate-y-1/2 border-8 border-transparent border-l-slate-800/95"
                        data-oid="0gukon1"
                    ></div>
                </div>
            )}

            {/* Subtle glow effect */}
            <div
                className="absolute inset-0 rounded-full bg-green-400/20 animate-pulse pointer-events-none"
                style={{ zIndex: -1 }}
                data-oid="g55eh56"
            ></div>

            {/* Floating indicator */}
            <div
                className="absolute -top-1 -right-1 w-3 h-3 bg-green-400 rounded-full animate-bounce pointer-events-none"
                style={{ zIndex: -1 }}
                data-oid="1t6b6v9"
            ></div>
        </div>
    );
}