"use client";

import React, { useState, useEffect } from "react";
import Link from 'next/link';
import { SunIcon, MoonIcon } from "@heroicons/react/solid";
import { PrivyProvider, usePrivy } from "@privy-io/react-auth";
import { FaTwitter, FaWallet } from "react-icons/fa";
import { CheckIcon } from "@heroicons/react/outline";
import Modal from './modal';
import CalloutModal from './callout';
import { motion } from 'framer-motion';
import UserDetailModal from "@/components/UserDetailsModal";

import Header from "@/components/Header";
import Footer from "@/components/Footer";

// Helper functions to generate pseudo data
const generateRandomName = () => {
  const names = ["Alice", "Bob", "Charlie", "David", "Eva", "Frank", "Grace", "Hannah", "Ivan", "Judy"];
  return names[Math.floor(Math.random() * names.length)];
};

const generateRandomCoin = () => {
  const coins = ["Bitcoin", "Ethereum", "Litecoin", "Ripple", "Cardano", "Polkadot", "Solana", "Chainlink"];
  return coins[Math.floor(Math.random() * coins.length)];
};

const generateRandomPoint = () => {
  return Math.floor(Math.random() * (100 - 10 + 1)) + 10;
};

const Home: React.FC = () => {
  const [modalOpen, setModalOpen] = useState(false);
  const { login, user, ready, logout, linkTwitter, unlinkTwitter, linkWallet, unlinkWallet } = usePrivy();
  const [darkMode, setDarkMode] = useState(true);
  const [twitterConnected, setTwitterConnected] = useState(false);
  const [walletConnected, setWalletConnected] = useState(false);
  const [incrementNumber, setIncrementNumber] = useState(1);
  const [leaderboardData, setLeaderboardData] = useState([]);
  const [isJoined, setIsJoined] = useState(false);
  const [selectedItem, setSelectedItem] = useState(null);
  const [newCallModalOpen, setNewCallModalOpen] = useState(false);
  const [userDetailModalOpen, setUserDetailModalOpen] = useState(false);
  const [selectedPeriod, setSelectedPeriod] = useState('All Time');

  const periods = ['All Time', 'Weekly', 'Monthly'];

  // Function to handle opening modal and setting selected item
  const openModal = (item) => {
    setSelectedItem(item);
    setModalOpen(true);
  };

  // Function to handle closing modal
  const closeModal = () => {
    setSelectedItem(null);
    setModalOpen(false);
  };

  const openNewCallModal = () => {
    setNewCallModalOpen(true);
  };

  const closeNewCallModal = () => {
    setNewCallModalOpen(false);
  };

  // Function to handle opening user detail modal
  const openUserDetailModal = (username) => {
    setUserDetailModalOpen(true);
    setTimeout(() => {
      setModalOpen(false);
      // Additional logic if needed to fetch user details
    }, 10);
  };

  // Function to handle closing user detail modal
  const closeUserDetailModal = () => {
    setUserDetailModalOpen(false);
  };

  const handleNewCallSubmit = (tokenId, tokenContract, tokenName) => {
    let twitterIntentURL = `https://x.com/intent/tweet?text=%24${tokenId}%20is%20Booming%20rn%21%20See%20ya%20on%20the%20moon%21%0A%0A%23CallFi%20%23CallingIt`;
    if(tokenContract.length >0){
      twitterIntentURL = `https://x.com/intent/tweet?text=%24${tokenId}%20%23${tokenName}%20is%20Going%20to%20the%20moon%21%0ACA%20%3A${tokenContract}%0A%0A%23CallFi%20%23CallingIt`;
    }
    window.open(twitterIntentURL, '_blank');
  };

  useEffect(() => {
    if (darkMode) {
      document.documentElement.classList.add("dark");
    } else {
      document.documentElement.classList.remove("dark");
    }
  }, [darkMode]);

  let fetchData = async () => {
    try {
      let urlAddition = "";
      if(selectedPeriod == "Weekly"){
        urlAddition = "_weekly";
      } else if(selectedPeriod == "Monthly"){
        urlAddition = "_monthly";
      }
      const response = await fetch(`https://api.callfi.io/get_leaderboard${urlAddition}.php`);
      console.log(urlAddition);
      if (!response.ok) {
        throw new Error('Network response was not ok');
      }
      const data = await response.json();
      console.log('Leaderboard data:', data);
      setLeaderboardData(data);
    } catch (error) {
      console.error('Failed to fetch leaderboard data:', error);
    }
  };

  useEffect(()=>{
    setLeaderboardData([]);
    fetchData();

  }, [selectedPeriod])

  useEffect(() => {
    fetchData();
    // Set up the interval to fetch data every 5 seconds
    const intervalId = setInterval(() => {
      setIncrementNumber((prevNumber) => prevNumber + 1);
      fetchData();
    }, 5000);

    // Clean up the interval on component unmount
    return () => clearInterval(intervalId);
  }, [selectedPeriod]);

  const toggleDarkMode = () => {
    setDarkMode(!darkMode);
    document.documentElement.classList.toggle("dark", !darkMode);
  };

  const postLoginAPI = async (usertag) => {
    try {
      const response = await fetch('https://api.callfi.io/register_twitter_user.php?tag=' + usertag);

      if (!response.ok) {
        throw new Error('Network response was not ok');
      }

      const data = await response.json();
      console.log('API call successful:', data);
      setTwitterConnected(true);
    } catch (error) {
      console.error('Error during API call:', error);
    }

    try {
      const response = await fetch('https://api.callfi.io/check_user_approved.php?tag=' + usertag);
      const responseTxt = await response.text();
      if (responseTxt == "1") {
        setIsJoined(true);
      }
    } catch (error) {
      console.error('Error checking user approval:', error);
    }
  };

  useEffect(() => {
    if (ready && user) {
      const username = user.twitter?.username ? `@${user.twitter.username}` : '@unknownUser';
      if (username !== "@unknownUser") {
        postLoginAPI(username);
      }
      const walletStatus = user.wallet;
      if (walletStatus) {
        setWalletConnected(true);
      }
    }
  }, [ready, user]);


  return (
    <main className={`flex flex-col min-h-screen items-center justify-between text-white`}>
      <Header/>
      
      {ready && user?.twitter && !isJoined && (
        <div className="note-card-container w-full p-4 flex flex-col items-center justify-center">
          <div className="note-card glassmorphism mb-4 p-4 text-center rounded-lg px-20 py-5">
            <h2 className="text-2xl font-bold mb-2">Join the Leaderboard</h2>
            <p className="text-lg mb-4">Get on the leaderboard by posting a tweet!</p>
            <button className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded glassmorphism">
              <a href="https://x.com/intent/post?text=I%27m+gonna+be+on+the+%23CallFi+leaderboards%21+Come+check+me+out+and+take+part+in+their+test%21+%0A%0Atest.callfi.io" target="_blank" rel="noopener noreferrer">Get Started</a>
            </button>
          </div>
        </div>
      )}

      {ready && user?.twitter && isJoined && (
        <div className="note-card-container w-full p-4 flex flex-col items-center justify-center">
          <div className="note-card glassmorphism mb-4 p-4 text-center rounded-lg px-20 py-5">
            <h2 className="text-2xl font-bold mb-2">Feeling Lucky?</h2>
            <p className="text-lg mb-4">Make a callout to a token you believe in!!</p>
            <button className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded glassmorphism" onClick={openNewCallModal}>
              CALL OUT!
            </button>
          </div>
        </div>
      )}

      {ready && !user?.twitter && (
        <div className="note-card-container w-full p-4 flex flex-col items-center justify-center">
          <div className="note-card glassmorphism mb-4 p-4 text-center rounded-lg px-20 py-5">
            <h2 className="text-2xl font-bold mb-2">Join the Leaderboard</h2>
            <p className="text-lg mb-4">Start by linking your Twitter account!</p>
            {user ? (
              <button className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded glassmorphism" onClick={linkTwitter}>
                <a>Link X</a>
              </button>
            ) : (
              <button className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded glassmorphism" onClick={login}>
                <a>Login</a>
              </button>
            )}
          </div>
        </div>
      )}

      <div className="w-full p-4 flex flex-col items-center justify-center">
        <div className="tabs flex space-x-4 mb-4">
          {periods.map((period) => (
            <button
              key={period}
              className={`px-4 py-2 rounded ${selectedPeriod === period ? 'bg-black text-white glassmorphism-dark' : 'bg-gray-700 text-gray-400 glassmorphism'}`}
              onClick={() => setSelectedPeriod(period)}
            >
              {period}
            </button>
          ))}
        </div>

        <div className="w-full max-w-4xl">
          {leaderboardData.map((item) => (
            <motion.div key="id" whileHover={{ scale: 1.05, transition: { duration: 0.15 } }}>
              <div
                key={item["id"]}
                className={`leaderboard-card glassmorphism ${item["points"] >= 0 ? 'positive' : 'negative'} mx-auto mb-4`}
                onClick={() => openModal(item)}
              >
                <div className="flex items-center space-x-4">
                  <img
                    src={item["img_url"]}
                    alt={`${item["username"]}'s profile`}
                    className="w-12 h-12 rounded-full mr-4"
                  />
                  <div>
                    <Link href={`/users/${item["username"]}`}><p className="text-center font-bold">{item["username"]}</p></Link>
                    <p className="text-center">{parseFloat(item["points"]).toFixed(2)}x</p>
                  </div>
                </div>
              </div>
            </motion.div>
          ))}
        </div>
      </div>

      <Modal isOpen={modalOpen} onClose={closeModal} item={selectedItem ?? { username: "", points: 2, img_url: "" }} period={selectedPeriod} />
      <CalloutModal isOpen={newCallModalOpen} onClose={closeNewCallModal} onSubmit={handleNewCallSubmit} />
      <UserDetailModal isOpen={userDetailModalOpen} onClose={closeUserDetailModal} user={selectedItem ?? {username:""}} />

      <Footer/>
    </main>
  );
}

export default function App() {
  return (
    <PrivyProvider appId={process.env.NEXT_PUBLIC_PRIVY_APP_ID || 'clxc7nmy906ifhis11rkovoto'}>
      <Home />
    </PrivyProvider> 
  );
}