import React, { useState, useEffect } from 'react';
import Messages from './components/Messages';
import TextChat from './components/TextChat';
import Nav from './components/Nav';
import MobileNav from './components/MobileNav';
import useSWR from 'swr';
import useSWRMutation from 'swr/mutation';
import useDidMountEffect from './hooks/useDidMountEffect.js';
import axios from 'axios';

const fetcher = (url) => fetch(url).then((res) => res.json());
const postRequest = async (url, { arg }) => await axios.post(url, { arg });

const App = () => {
  const [messages, setMessages] = useState([]);
  const [convo, setConvo] = useState({ conversationId: null, parentMessageId: null });
  const { data, error, isLoading, mutate } = useSWR('http://localhost:3050/convos', fetcher);

  const conversation = useSWRMutation( //{ trigger, isMutating }
    `http://localhost:3050/messages/${convo.conversationId}`,
    fetcher,
    {
      onSuccess: function (res) {
        console.log('success', res);
        setMessages(res);
      }
    }
  );

  useDidMountEffect(() => conversation.trigger(), [convo]);

  const onConvoClick = (conversationId, parentMessageId) => {
    console.log('convo was clicked');
    setConvo({ conversationId, parentMessageId });
  };

  return (
    <div className="flex h-screen">
      {/* <div className="w-80 bg-slate-800"></div> */}
      <Nav
        conversations={data}
        convo={convo}
        convoHandler={onConvoClick}
      />
      {/* <div className="flex h-full flex-1 flex-col md:pl-[260px]"> */}
      <div className="flex h-full w-full flex-1 flex-col bg-gray-50 md:pl-[260px]">
        {/* <main className="relative h-full w-full transition-width flex flex-col overflow-hidden items-stretch flex-1"> */}
        <MobileNav />
        <Messages messages={messages} />
        <TextChat
          messages={messages}
          setMessages={setMessages}
          reloadConvos={mutate}
          convo={convo}
          setConvo={setConvo}
        />
        {/* </main> */}
      </div>
    </div>
  );
};

export default App;
