import { ReactElement } from "react";
import ReactMarkdown from "react-markdown";
import remarkGfm from "remark-gfm";
import { useUserStore } from "@/store";
import { Message } from "@/types";
import Icon from "../Icon";
import { CodeBlock } from "../CodeBlock";

interface Props {
  message: Message;
}

const MessageView = (props: Props) => {
  const message = props.message;
  const userStore = useUserStore();
  const isCurrentUser = message.creatorId === userStore.currentUser.id;

  return (
    <div
      className={`w-full max-w-full flex flex-row justify-start items-start my-4 ${
        isCurrentUser ? "justify-end pl-8 sm:pl-24" : "pr-8 sm:pr-24"
      }`}
    >
      {isCurrentUser ? (
        <>
          <div className="mt-0.5 w-auto max-w-full bg-indigo-600 text-white px-4 py-2 rounded-lg rounded-tr-none shadow whitespace-pre-wrap">
            {message.content}
          </div>
          <div className="w-10 h-10 p-1 border rounded-full flex justify-center items-center ml-2 shrink-0">
            <Icon.AiOutlineUser className="w-6 h-6" />
          </div>
        </>
      ) : (
        <>
          <div className="w-10 h-10 p-1 border rounded-full flex justify-center items-center mr-2 shrink-0">
            <Icon.AiOutlineRobot className="w-6 h-6" />
          </div>
          <ReactMarkdown
            className="mt-0.5 w-auto max-w-[calc(100%-3rem)] bg-gray-100 px-4 py-2 rounded-lg rounded-tl-none shadow prose prose-neutral"
            remarkPlugins={[remarkGfm]}
            components={{
              pre({ node, className, children, ...props }) {
                const child = children[0] as ReactElement;
                const match = /language-(\w+)/.exec(child.props.className || "");
                const language = match ? match[1] : "plain";
                return (
                  <pre className={`${className || ""} p-0 w-full`} {...props}>
                    <CodeBlock
                      key={Math.random()}
                      language={language || "plain"}
                      value={String(child.props.children).replace(/\n$/, "")}
                      {...props}
                    />
                  </pre>
                );
              },
              code({ children }) {
                return <code className="px-0">`{children}`</code>;
              },
            }}
          >
            {message.content}
          </ReactMarkdown>
        </>
      )}
    </div>
  );
};

export default MessageView;