import { useState } from "react";
import { useCopyToClipboard } from "react-use";
import classNames from "classnames";
import Highlight from "react-highlight";
import { Options } from "redaxios";
import { BiSolidCopy } from "react-icons/bi";

import { ApiRoute } from "@/utils/type";

const LANGUAGES = ["curl", "javascript", "python"];

export const Snippet = ({
  endpoint,
  parameters,
  body,
}: {
  endpoint: ApiRoute;
  parameters?: Record<string, any>;
  body?: Options | undefined;
}) => {
  const [language, setLanguage] = useState<string>(LANGUAGES[0]);
  const [_, copyToClipboard] = useCopyToClipboard();
  const [isCopied, setIsCopied] = useState<boolean>(false);

  const generateRequestFromEndpoint = () => {
    const { method, path } = endpoint;

    const needBody = ["post", "put", "patch", "delete"].includes(
      method.toLocaleLowerCase()
    );
    if (language === "curl") {
      if (needBody && body) {
        return (
          `curl -X ${method.toLocaleUpperCase()} ${path} \\` +
          "\n" +
          `  -H "Content-Type: application/json" \\` +
          "\n" +
          `  -d '${JSON.stringify(body, null, 2)}'`
        );
      }

      if (parameters) {
        return (
          `curl -X ${method.toLocaleUpperCase()} ${path}?` +
          Object.entries(parameters)
            .map(([key, value]) => `${key}=${value}`)
            .join("&")
        );
      }

      return `curl -X ${method.toLocaleUpperCase()} ${path}`;
    }

    if (language === "javascript") {
      if (needBody && body) {
        return `const response = await fetch("${path}", {
  method: "${method.toLocaleUpperCase()}",
  headers: {
    "Content-Type": "application/json",
  },
  body: JSON.stringify(${JSON.stringify(body, null, 2)}),
});`;
      }
      if (parameters) {
        return `const response = await fetch("${path}?${Object.entries(
          parameters
        )
          .map(([key, value]) => `${key}=${value}`)
          .join("&")}", {
  method: "${method.toLocaleUpperCase()}",
});`;
      }
    }

    if (language === "python") {
      if (needBody && body) {
        return `import requests
  response = requests.${method.toLocaleLowerCase()}("${path}", json=${JSON.stringify(
          body,
          null,
          2
        )})`;
      }
      if (parameters) {
        return `import requests
  response = requests.${method.toLocaleLowerCase()}("${path}", params={
    ${Object.entries(parameters)
      .map(([key, value]) => `${key}: ${value}`)
      .join(",\n    ")}
  })`;
      }
    }

    return "";
  };

  const handleCopyToClipboard = () => {
    copyToClipboard(generateRequestFromEndpoint());
    setIsCopied(true);
    setTimeout(() => {
      setIsCopied(false);
    }, 2000);
  };

  return (
    <div className="mt-8 grid grid-cols-1 gap-4 w-full">
      <p className="text-slate-200 uppercase text-xs font-semibold">Snippet</p>
      <div className="bg-slate-950/50 rounded-xl overflow-hidden">
        <ul className="bg-slate-950 flex items-center justify-start">
          {LANGUAGES.map((lang, key) => (
            <li
              key={key}
              className={classNames(
                "py-4 text-slate-300 text-xs font-semibold px-6 border-r border-slate-900 cursor-pointer hover:bg-slate-900/80 transition-all duration-75",
                {
                  "bg-slate-900/50 hover:!bg-slate-900/50": lang === language,
                }
              )}
              onClick={() => setLanguage(lang)}
            >
              {lang}
            </li>
          ))}
        </ul>
        <main className="px-6 py-6">
          <Highlight
            className={`${language} text-xs font-code !bg-transparent !p-0 !whitespace-pre-wrap break-all !leading-relaxed`}
          >
            {generateRequestFromEndpoint()}
          </Highlight>
          <div
            className="flex justify-end relative"
            onClick={handleCopyToClipboard}
          >
            <BiSolidCopy className="text-slate-500 cursor-pointer hover:text-slate-300 transition-all duration-75" />
            <div
              className={classNames(
                "bg-indigo-500/60 text-slate-100 text-xs font-semibold absolute bottom-0 right-0 z-10 rounded-lg px-2 py-1 pointer-events-none -translate-y-full transition-all duration-200",
                {
                  "opacity-0": !isCopied,
                }
              )}
            >
              Copied!
            </div>
          </div>
        </main>
      </div>
    </div>
  );
};
