"use client"
import React, { useState, useEffect } from 'react'
import Image from 'next/image'
import Link from 'next/link'
import { FiChevronDown } from "react-icons/fi";
import { FaFacebookF, FaYoutube } from "react-icons/fa";
import { RiInstagramFill } from "react-icons/ri";
import { IoMenu, IoClose } from "react-icons/io5";
import { CoursesProps, SettingsProps } from '@/types'
//define props type
type Props = {
    openNav: () => void
    showNav: boolean
    courses: CoursesProps[]
    settings: SettingsProps
}
const Nav = ({ openNav, courses, showNav, settings }: Props) => {
    const [navBg, setNavBg] = useState(false)
    const [dropdownOpen, setDropdownOpen] = useState(false);

    useEffect(() => {
        const handler = () => {
            if (window.scrollY >= 90) {
                setNavBg(true)
            } else if (window.scrollY <= 90) {
                setNavBg(false)
            }
        }

        window.addEventListener("scroll", handler)
        return () => {
            window.removeEventListener("scroll", handler)
        }
    }, []);

    return (
        <div className={`bg-[#F6E5E9] max-sm:bg-[#FFF9F9] h-[7vh] z-[10] w-full transition-all duration-200 `}>
            <div className="flex items-center justify-between w-[80%] sm:w-[80%] x1:w-[80%] mx-auto">
                <div className='flex items-center space-x-10'>
                    <Link href={"/"}>
                        <Image

                            src="/images/logo.png"
                            alt='logo'
                            width={170}
                            height={170}
                            className="m1-[-1.5rem] sm:m1-0 mr-4"
                        />
                    </Link>
                    <div className="flex items-center space-x-15">
                        <div className='hidden lg:flex items-center space-x-8'>
                            <Link key={"01"} href={"/"} >
                                <p className="nav__link">
                                    {"主頁"}
                                </p>
                            </Link>
                            <div key={"02"} className="relative">
                                <button
                                    className="nav__link flex items-center"
                                    onClick={() => setDropdownOpen(!dropdownOpen)}
                                >
                                    {"課程"}
                                    <FiChevronDown className='text-gray-400' />
                                </button>
                                {dropdownOpen && (
                                    <div className="absolute left-0 top-full mt-1 w-48 rounded-md shadow-lg bg-white ring-1 ring-black ring-opacity-5 z-50">
                                        <div className="py-1" role="menu" aria-orientation="vertical" aria-labelledby="options-menu">
                                            {courses.map((course) => (
                                                <a
                                                    key={course.id}
                                                    href={`/courses/${course.id}`}
                                                    className={`block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 hover:text-mainColor`}
                                                    role="menuitem"
                                                >
                                                    {course.title}
                                                </a>
                                            ))}
                                        </div>
                                    </div>
                                )}
                            </div>
                            <Link key={"03"} href="/aboutus" >
                                <p className="nav__link">
                                    {"關於我們"}
                                </p>
                            </Link>
                        </div>
                    </div>
                </div>
                {/*button*/}
                <div className="flex items-center space-x-5 ">
                    <div className="flex items-center space-x-2 max-sm:hidden">
                        <div className="bg-[#DCCECF] rounded-full h-8 w-8 flex items-center justify-center hover:bg-mainColor"
                            onClick={() => window.open(settings.facebook)} >
                            <FaFacebookF
                                className="w-4 h-4 cursor-pointer text-[#F6E5E9]"
                            />
                        </div>
                        <div className="bg-[#DCCECF] rounded-full h-8 w-8 flex items-center justify-center hover:bg-mainColor"
                            onClick={() => window.open(settings.instagram)} >
                            <RiInstagramFill
                                className="w-4 h-4 cursor-pointer text-[#F6E5E9]"
                            />
                        </div>

                        <div className="bg-[#DCCECF] rounded-full h-8 w-8 flex items-center justify-center hover:bg-mainColor"
                            onClick={() => window.open(settings.youtube)} >
                            <FaYoutube
                                className="w-4 h-4 cursor-pointer text-[#F6E5E9]"
                            />
                        </div>
                    </div>
                    {/*burger*/}
                    {showNav ? (
                        <IoClose
                            onClick={openNav}
                            className="w-8 h-8 cursor-pointer text-mainColor lg:hidden ml-2"
                        />
                    ) : (
                        <IoMenu
                            id='menubutton'
                            onClick={openNav}
                            className="w-8 h-8 cursor-pointer text-mainColor lg:hidden ml-2"
                        />
                    )}
                </div>

            </div>
        </div>
    )
}
export default Nav