#!/usr/bin/env node

/**
 * Token Terminal Marketing Data Script
 *
 * This script fetches all projects from the Token Terminal API and provides:
 * 1. Total count of projects
 * 2. Total count of projects in blockchain-l1 and blockchain-l2 market sectors
 * 3. List of all blockchains (L1 and L2)
 */

const fs = require("fs");
const path = require("path");

// Load environment variables from .env file
function loadEnvFile() {
  const envPath = path.join(__dirname, ".env");

  if (fs.existsSync(envPath)) {
    const envContent = fs.readFileSync(envPath, "utf8");

    // Parse .env file line by line
    envContent.split("\n").forEach((line) => {
      // Skip empty lines and comments
      line = line.trim();
      if (!line || line.startsWith("#")) return;

      // Parse KEY=VALUE format
      const equalIndex = line.indexOf("=");
      if (equalIndex > 0) {
        const key = line.substring(0, equalIndex).trim();
        const value = line.substring(equalIndex + 1).trim();

        // Remove quotes if present
        const cleanValue = value.replace(/^["']|["']$/g, "");

        // Set environment variable if not already set
        if (!process.env[key]) {
          process.env[key] = cleanValue;
        }
      }
    });

    console.log("✅ Loaded environment variables from .env file");
  } else {
    console.log("ℹ️  No .env file found, using system environment variables");
  }
}

async function fetchAllProjects() {
  const apiUrl = "https://api.tokenterminal.com/v2/projects";
  const apiKey = process.env.TOKEN_TERMINAL_API_KEY;

  if (!apiKey) {
    throw new Error("TOKEN_TERMINAL_API_KEY environment variable is required");
  }

  try {
    const response = await fetch(apiUrl, {
      method: "GET",
      headers: {
        Authorization: `Bearer ${apiKey}`,
        "Content-Type": "application/json",
      },
    });

    if (!response.ok) {
      throw new Error(
        `HTTP error! status: ${response.status} - ${response.statusText}`
      );
    }

    const data = await response.json();
    return data.data;
  } catch (error) {
    console.error("Error fetching projects:", error);
    throw error;
  }
}

async function fetchMarketSectorData(marketSectorId) {
  const apiUrl = `https://api.tokenterminal.com/v2/market-sectors/${marketSectorId}`;
  const apiKey = process.env.TOKEN_TERMINAL_API_KEY;

  if (!apiKey) {
    throw new Error("TOKEN_TERMINAL_API_KEY environment variable is required");
  }

  try {
    const response = await fetch(apiUrl, {
      method: "GET",
      headers: {
        Authorization: `Bearer ${apiKey}`,
        "Content-Type": "application/json",
      },
    });

    if (!response.ok) {
      throw new Error(
        `HTTP error! status: ${response.status} - ${response.statusText} for market sector: ${marketSectorId}`
      );
    }

    const data = await response.json();
    return data.data;
  } catch (error) {
    console.error(`Error fetching market sector ${marketSectorId}:`, error);
    throw error;
  }
}

async function fetchAllMarketSectors() {
  const apiUrl = "https://api.tokenterminal.com/v2/market-sectors";
  const apiKey = process.env.TOKEN_TERMINAL_API_KEY;

  if (!apiKey) {
    throw new Error("TOKEN_TERMINAL_API_KEY environment variable is required");
  }

  try {
    const response = await fetch(apiUrl, {
      method: "GET",
      headers: {
        Authorization: `Bearer ${apiKey}`,
        "Content-Type": "application/json",
      },
    });

    if (!response.ok) {
      throw new Error(
        `HTTP error! status: ${response.status} - ${response.statusText}`
      );
    }

    const data = await response.json();
    return data.data;
  } catch (error) {
    console.error("Error fetching market sectors list:", error);
    throw error;
  }
}

async function fetchAllMetrics() {
  const apiUrl = "https://api.tokenterminal.com/v2/metrics";
  const apiKey = process.env.TOKEN_TERMINAL_API_KEY;

  if (!apiKey) {
    throw new Error("TOKEN_TERMINAL_API_KEY environment variable is required");
  }

  try {
    console.log("📊 Fetching all metrics...");
    const response = await fetch(apiUrl, {
      method: "GET",
      headers: {
        Authorization: `Bearer ${apiKey}`,
        "Content-Type": "application/json",
      },
    });

    if (!response.ok) {
      throw new Error(
        `HTTP error! status: ${response.status} - ${response.statusText}`
      );
    }

    const data = await response.json();
    console.log(`✅ Retrieved ${data.data?.length || 0} metrics`);
    return data.data;
  } catch (error) {
    console.error("Error fetching metrics:", error);
    throw error;
  }
}

async function fetchBlockchainProjects() {
  console.log("🔗 Fetching blockchain market sectors...");

  try {
    // First, get all available market sectors to find the correct blockchain sector IDs
    console.log("🔍 Getting list of all market sectors...");
    const allMarketSectors = await fetchAllMarketSectors();

    // Successfully discovered market sectors structure

    // Find blockchain-related market sectors by name (since ID field might be different)
    const blockchainSectors = allMarketSectors.filter(
      (sector) =>
        sector.name &&
        (sector.name.toLowerCase().includes("blockchain") ||
          sector.name.toLowerCase().includes("l1") ||
          sector.name.toLowerCase().includes("l2"))
    );

    console.log("📋 Available blockchain-related market sectors:");
    blockchainSectors.forEach((sector) => {
      console.log(
        `  - ID: ${sector.market_sector_id || sector.id || "unknown"}: ${
          sector.name || "N/A"
        }`
      );
    });

    // Find L1 and L2 sector IDs by name
    const l1Sector = blockchainSectors.find(
      (s) =>
        s.name &&
        (s.name.toLowerCase().includes("l1") ||
          s.name.toLowerCase().includes("layer-1") ||
          s.name.toLowerCase().includes("(l1)"))
    );
    const l2Sector = blockchainSectors.find(
      (s) =>
        s.name &&
        (s.name.toLowerCase().includes("l2") ||
          s.name.toLowerCase().includes("layer-2") ||
          s.name.toLowerCase().includes("(l2)"))
    );

    if (!l1Sector || !l2Sector) {
      console.log("❌ Could not find L1/L2 market sectors. Available sectors:");
      allMarketSectors.forEach((sector) => {
        console.log(`  - ${sector.market_sector_id}: ${sector.name || "N/A"}`);
      });
      throw new Error("Could not find L1 or L2 blockchain market sectors");
    }

    // Get the correct ID field
    const l1Id = l1Sector.market_sector_id || l1Sector.id;
    const l2Id = l2Sector.market_sector_id || l2Sector.id;

    console.log(`✅ Using L1 sector: ${l1Id} (${l1Sector.name})`);
    console.log(`✅ Using L2 sector: ${l2Id} (${l2Sector.name})`);

    // Fetch both L1 and L2 blockchain market sectors
    const [l1Data, l2Data] = await Promise.all([
      fetchMarketSectorData(l1Id),
      fetchMarketSectorData(l2Id),
    ]);

    console.log(
      `✅ Found ${l1Data.projects?.length || 0} L1 blockchain projects`
    );
    console.log(
      `✅ Found ${l2Data.projects?.length || 0} L2 blockchain projects`
    );

    // Combine projects from both market sectors
    const blockchainProjects = [
      ...(l1Data.projects || []),
      ...(l2Data.projects || []),
    ];

    return {
      l1Projects: l1Data.projects || [],
      l2Projects: l2Data.projects || [],
      allBlockchainProjects: blockchainProjects,
      l1Metadata: l1Data,
      l2Metadata: l2Data,
      l1SectorId: l1Id,
      l2SectorId: l2Id,
    };
  } catch (error) {
    console.error("Error fetching blockchain market sectors:", error);
    throw error;
  }
}

function isBlockchainProject(project) {
  if (!project.market_sectors) {
    return false;
  }

  const marketSectorValues = Object.values(project.market_sectors);
  return marketSectorValues.some(
    (sector) => sector === "blockchain-l1" || sector === "blockchain-l2"
  );
}

function extractBlockchainsFromProjects(projects) {
  const blockchainSet = new Set();

  projects.forEach((project) => {
    // For market sector data, projects don't have 'chains' field
    // but the project_id IS the blockchain identifier
    if (project.chains && Array.isArray(project.chains)) {
      // If chains field exists (from /v2/projects endpoint)
      project.chains.forEach((chain) => blockchainSet.add(chain));
    } else if (project.project_id) {
      // If no chains field, use project_id as blockchain name (from market sectors)
      blockchainSet.add(project.project_id);
    }
  });

  return Array.from(blockchainSet).sort();
}

function analyzeMarketingData(allProjects, blockchainData, metricsData) {
  // Use the market sector data for blockchain projects
  const blockchainProjects = blockchainData.allBlockchainProjects;
  const allBlockchains = extractBlockchainsFromProjects(blockchainProjects);

  // Analyze metrics data
  const metricsAnalysis = metricsData
    ? {
        totalMetrics: metricsData.length,
        metricsByCategory: metricsData.reduce((acc, metric) => {
          const category = metric.category || "uncategorized";
          if (!acc[category]) {
            acc[category] = [];
          }
          acc[category].push(metric);
          return acc;
        }, {}),
        metricsList: metricsData.map((metric) => ({
          metric_id: metric.metric_id,
          name: metric.name,
          category: metric.category,
          description: metric.description,
          units: metric.units,
          is_standardized: metric.is_standardized || false,
        })),
      }
    : null;

  return {
    totalProjects: allProjects.length,
    blockchainProjectsCount: blockchainProjects.length,
    l1ProjectsCount: blockchainData.l1Projects.length,
    l2ProjectsCount: blockchainData.l2Projects.length,
    allBlockchains,
    blockchainProjects,
    l1Projects: blockchainData.l1Projects,
    l2Projects: blockchainData.l2Projects,
    metrics: metricsAnalysis,
  };
}

function displayResults(data) {
  console.log("\n🚀 Token Terminal Marketing Data Analysis");
  console.log("==========================================\n");

  console.log(`📊 Total Projects: ${data.totalProjects}`);
  console.log(
    `⛓️  Blockchain Projects (L1 & L2): ${data.blockchainProjectsCount}`
  );
  console.log(`  ├─ L1 Blockchains: ${data.l1ProjectsCount}`);
  console.log(`  └─ L2 Blockchains: ${data.l2ProjectsCount}`);
  console.log(`🔗 Total Unique Blockchains: ${data.allBlockchains.length}`);

  // Display metrics information
  if (data.metrics) {
    console.log(`📈 Total Available Metrics: ${data.metrics.totalMetrics}`);

    console.log("\n📊 Metrics by Category:");
    console.log("-----------------------");
    Object.entries(data.metrics.metricsByCategory).forEach(
      ([category, metrics]) => {
        console.log(
          `  📁 ${category.charAt(0).toUpperCase() + category.slice(1)}: ${
            metrics.length
          } metrics`
        );
      }
    );
  }
  console.log("");

  console.log("📋 All Blockchains (L1 & L2):");
  console.log("------------------------------");
  data.allBlockchains.forEach((blockchain, index) => {
    console.log(`${(index + 1).toString().padStart(2, " ")}. ${blockchain}`);
  });

  if (data.l1Projects.length > 0) {
    console.log("\n🟦 L1 Blockchain Projects:");
    console.log("---------------------------");
    data.l1Projects.forEach((project, index) => {
      console.log(
        `${(index + 1).toString().padStart(2, " ")}. ${project.name}`
      );
      console.log(`    ID: ${project.project_id}`);
      if (project.url) console.log(`    URL: ${project.url}`);
    });
  }

  if (data.l2Projects.length > 0) {
    console.log("\n🟩 L2 Blockchain Projects:");
    console.log("---------------------------");
    data.l2Projects.forEach((project, index) => {
      console.log(
        `${(index + 1).toString().padStart(2, " ")}. ${project.name}`
      );
      console.log(`    ID: ${project.project_id}`);
      if (project.url) console.log(`    URL: ${project.url}`);
    });
  }

  // Display detailed metrics information
  if (data.metrics && data.metrics.metricsByCategory) {
    console.log("\n📊 Available Metrics Details:");
    console.log("==============================");
    Object.entries(data.metrics.metricsByCategory).forEach(
      ([category, metrics]) => {
        console.log(`\n📁 ${category.toUpperCase()}:`);
        metrics.slice(0, 5).forEach((metric, index) => {
          // Show first 5 metrics per category
          console.log(
            `  ${(index + 1).toString().padStart(2, " ")}. ${
              metric.name || metric.metric_id
            }`
          );
          if (metric.description) {
            console.log(
              `      ${metric.description.substring(0, 80)}${
                metric.description.length > 80 ? "..." : ""
              }`
            );
          }
        });
        if (metrics.length > 5) {
          console.log(`      ... and ${metrics.length - 5} more metrics`);
        }
      }
    );
  }
}

function saveToFile(data, filePath) {
  // Ensure directory exists
  const dir = path.dirname(filePath);
  if (!fs.existsSync(dir)) {
    fs.mkdirSync(dir, { recursive: true });
  }

  // Write data to file
  fs.writeFileSync(filePath, JSON.stringify(data, null, 2), "utf8");
  console.log(`💾 Data saved to: ${filePath}`);
}

function saveToMdxFile(data, filePath) {
  // Ensure directory exists
  const dir = path.dirname(filePath);
  if (!fs.existsSync(dir)) {
    fs.mkdirSync(dir, { recursive: true });
  }

  // Create MDX content with exported JavaScript object
  const mdxContent = `export const marketData = ${JSON.stringify(
    data,
    null,
    2
  )};
`;

  // Write MDX data to file
  fs.writeFileSync(filePath, mdxContent, "utf8");
  console.log(`💾 Data saved to: ${filePath}`);
}

async function main() {
  try {
    // Load environment variables from .env file first
    loadEnvFile();

    console.log("🔄 Fetching data from Token Terminal API...");

    // Fetch all data in parallel: projects, blockchain market sectors, and metrics
    const [allProjects, blockchainData, metricsData] = await Promise.all([
      fetchAllProjects(),
      fetchBlockchainProjects(),
      fetchAllMetrics(),
    ]);

    console.log(`✅ Retrieved ${allProjects.length} total projects`);

    const marketingData = analyzeMarketingData(
      allProjects,
      blockchainData,
      metricsData
    );

    displayResults(marketingData);

    // Create comprehensive data export
    const exportData = {
      summary: {
        totalProjects: marketingData.totalProjects,
        blockchainProjectsCount: marketingData.blockchainProjectsCount,
        l1ProjectsCount: marketingData.l1ProjectsCount,
        l2ProjectsCount: marketingData.l2ProjectsCount,
        blockchainsList: marketingData.allBlockchains,
        totalBlockchains: marketingData.allBlockchains.length,
        totalMetrics: marketingData.metrics?.totalMetrics || 0,
        metricsCategories: marketingData.metrics
          ? Object.keys(marketingData.metrics.metricsByCategory)
          : [],
        timestamp: new Date().toISOString(),
      },
      l1Projects: marketingData.l1Projects.map((project) => ({
        name: project.name,
        project_id: project.project_id,
        url: project.url || null,
        type: "L1",
      })),
      l2Projects: marketingData.l2Projects.map((project) => ({
        name: project.name,
        project_id: project.project_id,
        url: project.url || null,
        type: "L2",
      })),
      allBlockchainProjects: marketingData.blockchainProjects.map(
        (project) => ({
          name: project.name,
          project_id: project.project_id,
          url: project.url || null,
          type: marketingData.l1Projects.some(
            (l1) => l1.project_id === project.project_id
          )
            ? "L1"
            : "L2",
        })
      ),
      allBlockchains: marketingData.allBlockchains,
      metrics: marketingData.metrics?.metricsList || [],
      metricsByCategory: marketingData.metrics?.metricsByCategory || {},
      metadata: {
        script_version: "2.1.0",
        api_endpoints: [
          "https://api.tokenterminal.com/v2/projects",
          "https://api.tokenterminal.com/v2/market-sectors/blockchain-l1",
          "https://api.tokenterminal.com/v2/market-sectors/blockchain-l2",
          "https://api.tokenterminal.com/v2/metrics",
        ],
        generated_at: new Date().toISOString(),
        total_l1_projects: marketingData.l1ProjectsCount,
        total_l2_projects: marketingData.l2ProjectsCount,
        total_l1_l2_projects: marketingData.blockchainProjectsCount,
        unique_blockchains_count: marketingData.allBlockchains.length,
        total_metrics: marketingData.metrics?.totalMetrics || 0,
        metrics_categories_count: marketingData.metrics
          ? Object.keys(marketingData.metrics.metricsByCategory).length
          : 0,
      },
    };

    // Save to snippets directory as MDX
    const outputPath = "../snippets/marketData.mdx";
    saveToMdxFile(exportData, outputPath);

    console.log("\n📄 Summary JSON:");
    console.log("================");
    console.log(JSON.stringify(exportData.summary, null, 2));

    console.log("\n✅ Marketing data analysis complete!");
    console.log("📁 Full data exported to: snippets/marketData.mdx");
  } catch (error) {
    console.error("❌ Script failed:", error);
    process.exit(1);
  }
}

// Check if script is being run directly
if (require.main === module) {
  main();
}

module.exports = {
  fetchAllProjects,
  fetchAllMarketSectors,
  fetchMarketSectorData,
  fetchBlockchainProjects,
  fetchAllMetrics,
  analyzeMarketingData,
};


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