"use client";
import Modal from "../modal";
import useTranscript from "../useTranscript";
import useTopics from "../useTopics";
import useWaveform from "../useWaveform";
import useMp3 from "../useMp3";
import { TopicList } from "../topicList";
import { Topic } from "../webSocketTypes";
import React, { useEffect, useState } from "react";
import "../../../styles/button.css";
import FinalSummary from "../finalSummary";
import ShareLink from "../shareLink";
import QRCode from "react-qr-code";
import TranscriptTitle from "../transcriptTitle";
import ShareModal from "./shareModal";
import Player from "../player";
import WaveformLoading from "../waveformLoading";
import { useRouter } from "next/navigation";
import { faSpinner } from "@fortawesome/free-solid-svg-icons";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { featureEnabled } from "../../domainContext";
import { toShareMode } from "../../../lib/shareMode";

type TranscriptDetails = {
  params: {
    transcriptId: string;
  };
};

export default function TranscriptDetails(details: TranscriptDetails) {
  const transcriptId = details.params.transcriptId;
  const router = useRouter();

  const transcript = useTranscript(transcriptId);
  const topics = useTopics(transcriptId);
  const waveform = useWaveform(transcriptId);
  const useActiveTopic = useState<Topic | null>(null);
  const mp3 = useMp3(transcriptId);
  const [showModal, setShowModal] = useState(false);

  useEffect(() => {
    const statusToRedirect = ["idle", "recording", "processing"];
    if (statusToRedirect.includes(transcript.response?.status)) {
      const newUrl = "/transcripts/" + details.params.transcriptId + "/record";
      // Shallow redirection does not work on NextJS 13
      // https://github.com/vercel/next.js/discussions/48110
      // https://github.com/vercel/next.js/discussions/49540
      router.push(newUrl, undefined);
      // history.replaceState({}, "", newUrl);
    }
  }, [transcript.response?.status]);

  const fullTranscript =
    topics.topics
      ?.map((topic) => topic.transcript)
      .join("\n\n")
      .replace(/ +/g, " ")
      .trim() || "";

  if (transcript && transcript.response) {
    if (transcript.error || topics?.error) {
      return (
        <Modal
          title="Transcription Not Found"
          text="A trascription with this ID does not exist."
        />
      );
    }

    if (!transcriptId || transcript?.loading || topics?.loading) {
      return <Modal title="Loading" text={"Loading transcript..."} />;
    }

    return (
      <>
        {featureEnabled("sendToZulip") && (
          <ShareModal
            transcript={transcript.response}
            topics={topics ? topics.topics : null}
            show={showModal}
            setShow={(v) => setShowModal(v)}
          />
        )}
        <div className="flex flex-col">
          {transcript?.response?.title && (
            <TranscriptTitle
              title={transcript.response.title}
              transcriptId={transcript.response.id}
            />
          )}
          {waveform.waveform && mp3.media ? (
            <Player
              topics={topics?.topics || []}
              useActiveTopic={useActiveTopic}
              waveform={waveform.waveform.data}
              media={mp3.media}
              mediaDuration={transcript.response.duration}
            />
          ) : waveform.error ? (
            <div>"error loading this recording"</div>
          ) : (
            <WaveformLoading />
          )}
        </div>
        <div className="grid grid-cols-1 lg:grid-cols-2 grid-rows-2 lg:grid-rows-1 gap-2 lg:gap-4 h-full">
          <TopicList
            topics={topics.topics || []}
            useActiveTopic={useActiveTopic}
            autoscroll={false}
          />

          <div className="w-full h-full grid grid-rows-layout-one grid-cols-1 gap-2 lg:gap-4">
            <section className=" bg-blue-400/20 rounded-lg md:rounded-xl p-2 md:px-4 h-full">
              {transcript.response.long_summary ? (
                <FinalSummary
                  fullTranscript={fullTranscript}
                  summary={transcript.response.long_summary}
                  transcriptId={transcript.response.id}
                  openZulipModal={() => setShowModal(true)}
                />
              ) : (
                <div className="flex flex-col h-full justify-center content-center">
                  {transcript.response.status == "processing" ? (
                    <p>Loading Transcript</p>
                  ) : (
                    <p>
                      There was an error generating the final summary, please
                      come back later
                    </p>
                  )}
                </div>
              )}
            </section>

            <section className="flex items-center">
              <div className="mr-4 hidden md:block h-auto">
                <QRCode
                  value={`${location.origin}/transcripts/${details.params.transcriptId}`}
                  level="L"
                  size={98}
                />
              </div>
              <div className="flex-grow max-w-full">
                <ShareLink
                  transcriptId={transcript?.response?.id}
                  userId={transcript?.response?.user_id}
                  shareMode={toShareMode(transcript?.response?.share_mode)}
                />
              </div>
            </section>
          </div>
        </div>
      </>
    );
  }
}