import { format } from "date-fns";
import { t } from "i18next";
import { Trans } from "react-i18next";
// import useSocketStore from "../stores/useSocketStore";
import CloseIcon from "./icons/CloseIcon";
import SendChatIcon from "./icons/SendChatIcon";
import Button from "./ui/Button";
import useStreamUserStore from "../stores/useStreamUserStore";
import { FormEvent, useEffect, useRef, useState } from "react";
import useSocketStore from "../stores/useSocketStore";
import useChatStore from "../stores/useChatStore";
import { isMobile } from "react-device-detect";

interface Props {
  onClose: () => void;
}

function Chat2({ onClose }: Props) {
  const { socket } = useSocketStore();
  const { me, users } = useStreamUserStore();
  // const [messages] = useStateRef<IMessage[]>([]);
  const messagesRef = useRef<HTMLDivElement>(null);
  const [messageText, setMessageText] = useState<string>("");
  const messageTextRef = useRef<HTMLInputElement>(null);
  const { messages } = useChatStore();

  function sendMessage(e: FormEvent) {
    e.preventDefault();

    if (!messageText || messageText === " ") return;

    socket?.emit("message", messageText);

    setMessageText("");
  }

  useEffect(() => {
    if (!messages.length) return;

    messagesRef.current?.scrollTo({
      top: messagesRef.current.scrollHeight,
      behavior: "smooth",
    });
  }, [messages]);

  return (
    <div
      className={`chat fixed top-0 right-0 h-dvh flex flex-col w-[296px] bg-white border-t border-[#DAE0E5]`}
    >
      <div className="p-4 pb-2">
        <div className="flex items-center justify-between border-b border-[#DAE0E5] pb-4">
          <p className="text-sm font-semibold">
            <Trans i18nKey={"chat.demoChat"}>Чат демонстрации</Trans>
          </p>
          <Button
            variant="tertiary"
            icon={<CloseIcon />}
            onlyIcon
            onClick={onClose}
          />
        </div>
      </div>
      <div
        ref={messagesRef}
        className="flex-1 overflow-y-scroll flex flex-col gap-1 px-4 pb-2 pt-0 border-b border-[#DAE0E5]"
      >
        {messages.map((message, index) => (
          <div
            key={index}
            className={`text-sm p-2 flex flex-col gap-1 rounded-lg ${
              users.find((user) => user.id === me?.id)?.id === message.userId
                ? "bg-[#C4DDF5]"
                : "bg-[#F0F1F2]"
            }`}
          >
            {users.find((user) => user.id === me?.id)?.id !==
              message.userId && (
              <p className="text-[#49A1F5] font-semibold">
                {users.find((user) => user.id === message.userId)?.name}
              </p>
            )}

            <p className="break-words">{message.text}</p>
            <p className="text-[#767676] translate-x-1 translate-y-1 self-end leading-none">
              {format(new Date(), "HH:mm")}
            </p>
          </div>
        ))}
      </div>
      <div className="p-3 pl-4">
        <form onSubmit={sendMessage} className="flex items-center gap-3">
          <input
            autoFocus={isMobile ? false : true}
            ref={messageTextRef}
            type="text"
            placeholder={t("writeAMessage")}
            className="w-full text-sm bg-transparent outline-none"
            value={messageText}
            onChange={(e) =>
              setMessageText(e.target.value.replace(/\s+/g, " "))
            }
          />
          <button type="submit" className="text-[#49A1F5] outline-none">
            <SendChatIcon />
          </button>
        </form>
      </div>
    </div>
  );
}

export default Chat2;
