import React, { useState, useEffect, useMemo } from "react";
// import { generateCalendarData } from "../utils/calendar";
// import {
//   OpenSourceHeatmapProps,
//   ProviderInfo,
//   ModelData,
//   CalendarData,
// } from "../types/heatmap";
// import Heatmap from "../components/Heatmap";
// import { fetchAllProvidersData, fetchAllAuthorsData } from "../utils/authors";
// import UserSearchDialog from "../components/UserSearchDialog";
import AIPoliciesTable from "../components/AIPoliciesTable";
import fs from 'fs';
import path from 'path';
import matter from 'gray-matter';
import { PolicyData } from "../types";

// const PROVIDERS: ProviderInfo[] = [
//   { color: "#ff7000", authors: ["mistralai"] },
//   { color: "#1877F2", authors: ["meta-llama", "facebook", ] },
//   { color: "#10A37F", authors: ["openai"] },
//   { color: "#cc785c", authors: ["Anthropic"] },
//   { color: "#DB4437", authors: ["google"] },
//   { color: "#5E35B1", authors: ["allenai"] },
//   { color: "#0088cc", authors: ["apple"] },
//   { color: "#FEB800", authors: ["microsoft"] },
//   { color: "#76B900", authors: ["nvidia"] },
//   { color: "#0088cc", authors: ["deepseek-ai"] },
//   { color: "#0088cc", authors: ["Qwen"] },
//   { color: "#4C6EE6", authors: ["CohereForAI"] },
//   { color: "#4C6EE6", authors: ["ibm-granite"] },
//   { color: "#A020F0", authors: ["stabilityai"] },
// ];

export async function getStaticProps() {
  try {
    // Read policy data from policies.json
    const policiesFilePath = path.join(process.cwd(), 'content', 'policies.json');
    const policiesContent = fs.readFileSync(policiesFilePath, 'utf-8');
    const rawPolicyData = JSON.parse(policiesContent);

    // Transform the policy data into the expected format
    const policyData = rawPolicyData.map((policy: any) => ({
      zh: policy.zh,
      en: policy.en,
      link: {
        zh: policy.link.zh || null, // Only include link if provided
        en: policy.link.en || null, // Only include link if provided
      },
      releaseDate: policy.releaseDate,
    }));

    // Sort policyData based on releaseDate in descending order
    policyData.sort((a: PolicyData, b: PolicyData) => {
      const dateA = a.releaseDate ? new Date(a.releaseDate).getTime() : 0;
      const dateB = b.releaseDate ? new Date(b.releaseDate).getTime() : 0;
      return dateB - dateA;
    });

    return {
      props: {
        policyData,
      },
      revalidate: 3600,
    };
  } catch (error) {
    console.error("Error fetching data:", error);
    return {
      props: {
        policyData: [], // Pass empty policy data as props
      },
      revalidate: 60, // retry after 1 minute if there was an error
    };
  }
}

// const ProviderHeatmap = React.memo(({ provider, calendarData }: { provider: ProviderInfo, calendarData: CalendarData }) => {
//   const providerName = provider.fullName || provider.authors[0];
//   return (
//     <div key={providerName} className="flex flex-col items-center">
//       <Heatmap
//         data={calendarData[providerName]}
//         color={provider.color}
//         providerName={providerName}
//         fullName={provider.fullName ?? providerName}
//         avatarUrl={provider.avatarUrl ?? ''}
//       />
//     </div>
//   );
// });

const OpenSourceHeatmap: React.FC<{ policyData: PolicyData[] }> = ({
  policyData,
}) => {
  return (
    <div className="w-full min-h-screen bg-white dark:bg-gray-900 dark:text-white">
      <div className="max-w-screen-lg mx-auto p-4 py-16">
        <h1 className="text-3xl lg:text-5xl mt-16 font-bold text-center mb-2">
          China AI policy research 🤗
        </h1>
        
        <AIPoliciesTable policies={policyData} />
      </div>

      {/* <div className="text-center text-sm my-8 space-y-4">
        <p>
          Models, Datasets, and Spaces from the top AI labs.
        </p>
        <div className="flex justify-center space-x-4">
          <UserSearchDialog />
        </div>
      </div>
      
      <div className="h-px max-w-lg mx-auto bg-gray-200 dark:bg-gray-700 my-16" />
     
      {isLoading ? (
        <p className="text-center">Loading...</p>
      ) : (
        <div className="space-y-16">
          {sortedProviders.map((provider) => (
            <ProviderHeatmap 
              key={provider.fullName || provider.authors[0]} 
              provider={provider} 
              calendarData={calendarData} 
            />
          ))}
        </div>
      )} */}
    </div>
  );
};

export default React.memo(OpenSourceHeatmap);