import { execSync, spawn } from 'child_process';
import fs from 'fs';
import path from 'path';
import os from 'os';
import { fileURLToPath } from 'url';
import inquirer from 'inquirer';
import dotenv from 'dotenv';
import crypto from 'crypto';
import { Vercel } from '@vercel/sdk';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const projectRoot = path.join(__dirname, '..');

// Load environment variables in specific order
dotenv.config({ path: '.env' });

async function generateFarcasterMetadata(domain, webhookUrl) {
  const trimmedDomain = domain.trim();
  const tags = process.env.NEXT_PUBLIC_MINI_APP_TAGS?.split(',');

  return {
    frame: {
      version: '1',
      name: process.env.NEXT_PUBLIC_MINI_APP_NAME,
      iconUrl: `https://${trimmedDomain}/icon.png`,
      homeUrl: `https://${trimmedDomain}`,
      imageUrl: `https://${trimmedDomain}/api/opengraph-image`,
      buttonTitle: process.env.NEXT_PUBLIC_MINI_APP_BUTTON_TEXT,
      splashImageUrl: `https://${trimmedDomain}/splash.png`,
      splashBackgroundColor: '#f7f7f7',
      webhookUrl: webhookUrl?.trim(),
      description: process.env.NEXT_PUBLIC_MINI_APP_DESCRIPTION,
      primaryCategory: process.env.NEXT_PUBLIC_MINI_APP_PRIMARY_CATEGORY,
      tags,
    },
  };
}

async function loadEnvLocal() {
  try {
    if (fs.existsSync('.env.local')) {
      const { loadLocal } = await inquirer.prompt([
        {
          type: 'confirm',
          name: 'loadLocal',
          message:
            'Found .env.local - would you like to load its values in addition to .env values?',
          default: true,
        },
      ]);

      if (loadLocal) {
        console.log('Loading values from .env.local...');
        const localEnv = dotenv.parse(fs.readFileSync('.env.local'));

        const allowedVars = [
          'NEXT_PUBLIC_MINI_APP_NAME',
          'NEXT_PUBLIC_MINI_APP_DESCRIPTION',
          'NEXT_PUBLIC_MINI_APP_PRIMARY_CATEGORY',
          'NEXT_PUBLIC_MINI_APP_TAGS',
          'NEXT_PUBLIC_MINI_APP_BUTTON_TEXT',
          'NEXT_PUBLIC_ANALYTICS_ENABLED',
          'NEYNAR_API_KEY',
          'NEYNAR_CLIENT_ID',
          'SPONSOR_SIGNER',
        ];

        const envContent = fs.existsSync('.env')
          ? fs.readFileSync('.env', 'utf8') + '\n'
          : '';
        let newEnvContent = envContent;

        for (const [key, value] of Object.entries(localEnv)) {
          if (allowedVars.includes(key)) {
            process.env[key] = value;
            if (!envContent.includes(`${key}=`)) {
              newEnvContent += `${key}="${value}"\n`;
            }
          }
        }

        fs.writeFileSync('.env', newEnvContent);
        console.log('✅ Values from .env.local have been written to .env');
      }
    }
  } catch (error) {
    console.log('Note: No .env.local file found');
  }
}

async function checkRequiredEnvVars() {
  console.log('\n📝 Checking environment variables...');
  console.log('Loading values from .env...');

  await loadEnvLocal();

  const requiredVars = [
    {
      name: 'NEXT_PUBLIC_MINI_APP_NAME',
      message: 'Enter the name for your frame (e.g., My Cool Mini App):',
      default: process.env.NEXT_PUBLIC_MINI_APP_NAME,
      validate: (input) =>
        input.trim() !== '' || 'Mini app name cannot be empty',
    },
    {
      name: 'NEXT_PUBLIC_MINI_APP_BUTTON_TEXT',
      message: 'Enter the text for your frame button:',
      default:
        process.env.NEXT_PUBLIC_MINI_APP_BUTTON_TEXT ?? 'Launch Mini App',
      validate: (input) => input.trim() !== '' || 'Button text cannot be empty',
    },
  ];

  const missingVars = requiredVars.filter(
    (varConfig) => !process.env[varConfig.name]
  );

  if (missingVars.length > 0) {
    console.log("\n⚠️  Some required information is missing. Let's set it up:");
    for (const varConfig of missingVars) {
      const { value } = await inquirer.prompt([
        {
          type: 'input',
          name: 'value',
          message: varConfig.message,
          default: varConfig.default,
          validate: varConfig.validate,
        },
      ]);

      process.env[varConfig.name] = value;

      const envContent = fs.existsSync('.env')
        ? fs.readFileSync('.env', 'utf8')
        : '';

      if (!envContent.includes(`${varConfig.name}=`)) {
        const newLine = envContent ? '\n' : '';
        fs.appendFileSync(
          '.env',
          `${newLine}${varConfig.name}="${value.trim()}"`
        );
      }

      // Ask about sponsor signer if SEED_PHRASE is provided
      if (!process.env.SPONSOR_SIGNER) {
        const { sponsorSigner } = await inquirer.prompt([
          {
            type: 'confirm',
            name: 'sponsorSigner',
            message:
              'Do you want to sponsor the signer? (This will be used in Sign In With Neynar)\n' +
              'Note: If you choose to sponsor the signer, Neynar will sponsor it for you and you will be charged in CUs.\n' +
              'For more information, see https://docs.neynar.com/docs/two-ways-to-sponsor-a-farcaster-signer-via-neynar#sponsor-signers',
            default: false,
          },
        ]);

        process.env.SPONSOR_SIGNER = sponsorSigner.toString();

        if (storeSeedPhrase) {
          fs.appendFileSync(
            '.env.local',
            `\nSPONSOR_SIGNER="${sponsorSigner}"`
          );
          console.log('✅ Sponsor signer preference stored in .env.local');
        }
      }
    }
  }

  // Load SPONSOR_SIGNER from .env.local if SEED_PHRASE exists but SPONSOR_SIGNER doesn't
  if (
    process.env.SEED_PHRASE &&
    !process.env.SPONSOR_SIGNER &&
    fs.existsSync('.env.local')
  ) {
    const localEnv = dotenv.parse(fs.readFileSync('.env.local'));
    if (localEnv.SPONSOR_SIGNER) {
      process.env.SPONSOR_SIGNER = localEnv.SPONSOR_SIGNER;
    }
  }
}

async function getGitRemote() {
  try {
    const remoteUrl = execSync('git remote get-url origin', {
      cwd: projectRoot,
      encoding: 'utf8',
    }).trim();
    return remoteUrl;
  } catch (error) {
    return null;
  }
}

async function checkVercelCLI() {
  try {
    execSync('vercel --version', {
      stdio: 'ignore',
      shell: process.platform === 'win32',
    });
    return true;
  } catch (error) {
    return false;
  }
}

async function installVercelCLI() {
  console.log('Installing Vercel CLI...');
  execSync('npm install -g vercel', {
    stdio: 'inherit',
    shell: process.platform === 'win32',
  });
}

async function getVercelToken() {
  try {
    // Try to get token from Vercel CLI config
    const configPath = path.join(os.homedir(), '.vercel', 'auth.json');
    if (fs.existsSync(configPath)) {
      const authConfig = JSON.parse(fs.readFileSync(configPath, 'utf8'));
      return authConfig.token;
    }
  } catch (error) {
    console.warn('Could not read Vercel token from config file');
  }

  // Try environment variable
  if (process.env.VERCEL_TOKEN) {
    return process.env.VERCEL_TOKEN;
  }

  // Try to extract from vercel whoami
  try {
    const whoamiOutput = execSync('vercel whoami', {
      encoding: 'utf8',
      stdio: 'pipe',
    });

    // If we can get whoami, we're logged in, but we need the actual token
    // The token isn't directly exposed, so we'll need to use CLI for some operations
    console.log('✅ Verified Vercel CLI authentication');
    return null; // We'll fall back to CLI operations
  } catch (error) {
    throw new Error(
      'Not logged in to Vercel CLI. Please run this script again to login.'
    );
  }
}

async function loginToVercel() {
  console.log('\n🔑 Vercel Login');
  console.log('You can either:');
  console.log('1. Log in to an existing Vercel account');
  console.log('2. Create a new Vercel account during login\n');
  console.log('If creating a new account:');
  console.log('1. Click "Continue with GitHub"');
  console.log('2. Authorize GitHub access');
  console.log('3. Complete the Vercel account setup in your browser');
  console.log('4. Return here once your Vercel account is created\n');
  console.log(
    '\nNote: you may need to cancel this script with ctrl+c and run it again if creating a new vercel account'
  );

  const child = spawn('vercel', ['login'], {
    stdio: 'inherit',
  });

  await new Promise((resolve, reject) => {
    child.on('close', (code) => {
      resolve();
    });
  });

  console.log('\n📱 Waiting for login to complete...');
  console.log(
    "If you're creating a new account, please complete the Vercel account setup in your browser first."
  );

  for (let i = 0; i < 150; i++) {
    try {
      execSync('vercel whoami', { stdio: 'ignore' });
      console.log('✅ Successfully logged in to Vercel!');
      return true;
    } catch (error) {
      if (error.message.includes('Account not found')) {
        console.log('ℹ️  Waiting for Vercel account setup to complete...');
      }
      await new Promise((resolve) => setTimeout(resolve, 2000));
    }
  }

  console.error('\n❌ Login timed out. Please ensure you have:');
  console.error('1. Completed the Vercel account setup in your browser');
  console.error('2. Authorized the GitHub integration');
  console.error('Then try running this script again.');
  return false;
}

async function setVercelEnvVarSDK(vercelClient, projectId, key, value) {
  try {
    let processedValue;
    if (typeof value === 'object') {
      processedValue = JSON.stringify(value);
    } else {
      processedValue = value.toString();
    }

    // Get existing environment variables
    const existingVars = await vercelClient.projects.getEnvironmentVariables({
      idOrName: projectId,
    });

    const existingVar = existingVars.envs?.find(
      (env) => env.key === key && env.target?.includes('production')
    );

    if (existingVar) {
      // Update existing variable
      await vercelClient.projects.editEnvironmentVariable({
        idOrName: projectId,
        id: existingVar.id,
        requestBody: {
          value: processedValue,
          target: ['production'],
        },
      });
      console.log(`✅ Updated environment variable: ${key}`);
    } else {
      // Create new variable
      await vercelClient.projects.createEnvironmentVariable({
        idOrName: projectId,
        requestBody: {
          key: key,
          value: processedValue,
          type: 'encrypted',
          target: ['production'],
        },
      });
      console.log(`✅ Created environment variable: ${key}`);
    }

    return true;
  } catch (error) {
    console.warn(
      `⚠️  Warning: Failed to set environment variable ${key}:`,
      error.message
    );
    return false;
  }
}

async function setVercelEnvVarCLI(key, value, projectRoot) {
  try {
    // Remove existing env var
    try {
      execSync(`vercel env rm ${key} production -y`, {
        cwd: projectRoot,
        stdio: 'ignore',
        env: process.env,
      });
    } catch (error) {
      // Ignore errors from removal
    }

    let processedValue;
    if (typeof value === 'object') {
      processedValue = JSON.stringify(value);
    } else {
      processedValue = value.toString();
    }

    // Create temporary file
    const tempFilePath = path.join(projectRoot, `${key}_temp.txt`);
    fs.writeFileSync(tempFilePath, processedValue, 'utf8');

    // Use appropriate command based on platform
    let command;
    if (process.platform === 'win32') {
      command = `type "${tempFilePath}" | vercel env add ${key} production`;
    } else {
      command = `cat "${tempFilePath}" | vercel env add ${key} production`;
    }

    execSync(command, {
      cwd: projectRoot,
      stdio: 'pipe', // Changed from 'inherit' to avoid interactive prompts
      shell: true,
      env: process.env,
    });

    fs.unlinkSync(tempFilePath);
    console.log(`✅ Set environment variable: ${key}`);
    return true;
  } catch (error) {
    const tempFilePath = path.join(projectRoot, `${key}_temp.txt`);
    if (fs.existsSync(tempFilePath)) {
      fs.unlinkSync(tempFilePath);
    }
    console.warn(
      `⚠️  Warning: Failed to set environment variable ${key}:`,
      error.message
    );
    return false;
  }
}

async function setEnvironmentVariables(
  vercelClient,
  projectId,
  envVars,
  projectRoot
) {
  console.log('\n📝 Setting up environment variables...');

  const results = [];

  for (const [key, value] of Object.entries(envVars)) {
    if (!value) continue;

    let success = false;

    // Try SDK approach first if we have a Vercel client
    if (vercelClient && projectId) {
      success = await setVercelEnvVarSDK(vercelClient, projectId, key, value);
    }

    // Fallback to CLI approach
    if (!success) {
      success = await setVercelEnvVarCLI(key, value, projectRoot);
    }

    results.push({ key, success });
  }

  // Report results
  const failed = results.filter((r) => !r.success);
  if (failed.length > 0) {
    console.warn(`\n⚠️  Failed to set ${failed.length} environment variables:`);
    failed.forEach((r) => console.warn(`   - ${r.key}`));
    console.warn(
      '\nYou may need to set these manually in the Vercel dashboard.'
    );
  }

  return results;
}

async function waitForDeployment(
  vercelClient,
  projectId,
  maxWaitTime = 300000
) {
  // 5 minutes
  console.log('\n⏳ Waiting for deployment to complete...');
  const startTime = Date.now();

  while (Date.now() - startTime < maxWaitTime) {
    try {
      const deployments = await vercelClient.deployments.list({
        projectId: projectId,
        limit: 1,
      });

      if (deployments.deployments?.[0]) {
        const deployment = deployments.deployments[0];
        console.log(`📊 Deployment status: ${deployment.state}`);

        if (deployment.state === 'READY') {
          console.log('✅ Deployment completed successfully!');
          return deployment;
        } else if (deployment.state === 'ERROR') {
          throw new Error(`Deployment failed with state: ${deployment.state}`);
        } else if (deployment.state === 'CANCELED') {
          throw new Error('Deployment was canceled');
        }

        // Still building, wait and check again
        await new Promise((resolve) => setTimeout(resolve, 5000)); // Wait 5 seconds
      } else {
        console.log('⏳ No deployment found yet, waiting...');
        await new Promise((resolve) => setTimeout(resolve, 5000));
      }
    } catch (error) {
      console.warn('⚠️  Could not check deployment status:', error.message);
      await new Promise((resolve) => setTimeout(resolve, 5000));
    }
  }

  throw new Error('Deployment timed out after 5 minutes');
}

async function deployToVercel(useGitHub = false) {
  try {
    console.log('\n🚀 Deploying to Vercel...');

    // Ensure vercel.json exists
    const vercelConfigPath = path.join(projectRoot, 'vercel.json');
    if (!fs.existsSync(vercelConfigPath)) {
      console.log('📝 Creating vercel.json configuration...');
      fs.writeFileSync(
        vercelConfigPath,
        JSON.stringify(
          {
            buildCommand: 'next build',
            framework: 'nextjs',
          },
          null,
          2
        )
      );
    }

    // Set up Vercel project
    console.log('\n📦 Setting up Vercel project...');
    console.log(
      'An initial deployment is required to get an assigned domain that can be used in the mini app manifest\n'
    );
    console.log(
      '\n⚠️ Note: choosing a longer, more unique project name will help avoid conflicts with other existing domains\n'
    );

    // Use spawn instead of execSync for better error handling
    const { spawn } = await import('child_process');
    const vercelSetup = spawn('vercel', [], {
      cwd: projectRoot,
      stdio: 'inherit',
      shell: process.platform === 'win32',
    });

    await new Promise((resolve, reject) => {
      vercelSetup.on('close', (code) => {
        if (code === 0 || code === null) {
          console.log('✅ Vercel project setup completed');
          resolve();
        } else {
          console.log('⚠️  Vercel setup command completed (this is normal)');
          resolve(); // Don't reject, as this is often expected
        }
      });

      vercelSetup.on('error', (error) => {
        console.log('⚠️  Vercel setup command completed (this is normal)');
        resolve(); // Don't reject, as this is often expected
      });
    });

    // Wait a moment for project files to be written
    await new Promise((resolve) => setTimeout(resolve, 2000));

    // Load project info
    let projectId;
    try {
      const projectJson = JSON.parse(
        fs.readFileSync('.vercel/project.json', 'utf8')
      );
      projectId = projectJson.projectId;
    } catch (error) {
      throw new Error(
        'Failed to load project info. Please ensure the Vercel project was created successfully.'
      );
    }

    // Get Vercel token and initialize SDK client
    let vercelClient = null;
    try {
      const token = await getVercelToken();
      if (token) {
        vercelClient = new Vercel({
          bearerToken: token,
        });
        console.log('✅ Initialized Vercel SDK client');
      }
    } catch (error) {
      console.warn(
        '⚠️  Could not initialize Vercel SDK, falling back to CLI operations'
      );
    }

    // Get project details
    console.log('\n🔍 Getting project details...');
    let domain;
    let projectName;

    if (vercelClient) {
      try {
        const project = await vercelClient.projects.get({
          idOrName: projectId,
        });
        projectName = project.name;
        domain = `${projectName}.vercel.app`;
        console.log('🌐 Using project name for domain:', domain);
      } catch (error) {
        console.warn(
          '⚠️  Could not get project details via SDK, using CLI fallback'
        );
      }
    }

    // Fallback to CLI method if SDK failed
    if (!domain) {
      try {
        const inspectOutput = execSync(
          `vercel project inspect ${projectId} 2>&1`,
          {
            cwd: projectRoot,
            encoding: 'utf8',
          }
        );

        const nameMatch = inspectOutput.match(/Name\s+([^\n]+)/);
        if (nameMatch) {
          projectName = nameMatch[1].trim();
          domain = `${projectName}.vercel.app`;
          console.log('🌐 Using project name for domain:', domain);
        } else {
          const altMatch = inspectOutput.match(/Found Project [^/]+\/([^\n]+)/);
          if (altMatch) {
            projectName = altMatch[1].trim();
            domain = `${projectName}.vercel.app`;
            console.log('🌐 Using project name for domain:', domain);
          } else {
            console.warn(
              '⚠️  Could not determine project name from inspection, using fallback'
            );
            // Use a fallback domain based on project ID
            domain = `project-${projectId.slice(-8)}.vercel.app`;
            console.log('🌐 Using fallback domain:', domain);
          }
        }
      } catch (error) {
        console.warn('⚠️  Could not inspect project, using fallback domain');
        // Use a fallback domain based on project ID
        domain = `project-${projectId.slice(-8)}.vercel.app`;
        console.log('🌐 Using fallback domain:', domain);
      }
    }

    // Generate mini app metadata
    console.log('\n🔨 Generating mini app metadata...');

    const webhookUrl =
      process.env.NEYNAR_API_KEY && process.env.NEYNAR_CLIENT_ID
        ? `https://api.neynar.com/f/app/${process.env.NEYNAR_CLIENT_ID}/event`
        : `https://${domain}/api/webhook`;

    const miniAppMetadata = await generateFarcasterMetadata(domain, webhookUrl);
    console.log('✅ Mini app metadata generated');

    // Prepare environment variables
    const nextAuthSecret =
      process.env.NEXTAUTH_SECRET || crypto.randomBytes(32).toString('hex');
    const vercelEnv = {
      NEXTAUTH_SECRET: nextAuthSecret,
      AUTH_SECRET: nextAuthSecret,
      NEXTAUTH_URL: `https://${domain}`,
      NEXT_PUBLIC_URL: `https://${domain}`,

      ...(process.env.NEYNAR_API_KEY && {
        NEYNAR_API_KEY: process.env.NEYNAR_API_KEY,
      }),
      ...(process.env.NEYNAR_CLIENT_ID && {
        NEYNAR_CLIENT_ID: process.env.NEYNAR_CLIENT_ID,
      }),
      ...(process.env.SPONSOR_SIGNER && {
        SPONSOR_SIGNER: process.env.SPONSOR_SIGNER,
      }),
      ...(miniAppMetadata && { MINI_APP_METADATA: miniAppMetadata }),

      ...Object.fromEntries(
        Object.entries(process.env).filter(([key]) =>
          key.startsWith('NEXT_PUBLIC_')
        )
      ),
    };

    // Set environment variables
    await setEnvironmentVariables(
      vercelClient,
      projectId,
      vercelEnv,
      projectRoot
    );

    // Deploy the project
    if (useGitHub) {
      console.log('\nSetting up GitHub integration...');
      execSync('vercel link', {
        cwd: projectRoot,
        stdio: 'inherit',
        env: process.env,
      });
      console.log('\n📦 Deploying with GitHub integration...');
    } else {
      console.log('\n📦 Deploying local code directly...');
    }

    // Use spawn for better control over the deployment process
    const vercelDeploy = spawn('vercel', ['deploy', '--prod'], {
      cwd: projectRoot,
      stdio: 'inherit',
      env: process.env,
    });

    await new Promise((resolve, reject) => {
      vercelDeploy.on('close', (code) => {
        if (code === 0) {
          console.log('✅ Vercel deployment command completed');
          resolve();
        } else {
          console.error(`❌ Vercel deployment failed with code: ${code}`);
          reject(new Error(`Vercel deployment failed with exit code: ${code}`));
        }
      });

      vercelDeploy.on('error', (error) => {
        console.error('❌ Vercel deployment error:', error.message);
        reject(error);
      });
    });

    // Wait for deployment to actually complete
    let deployment;
    if (vercelClient) {
      try {
        deployment = await waitForDeployment(vercelClient, projectId);
      } catch (error) {
        console.warn(
          '⚠️  Could not verify deployment completion:',
          error.message
        );
        console.log('ℹ️  Proceeding with domain verification...');
      }
    }

    // Verify actual domain after deployment
    console.log('\n🔍 Verifying deployment domain...');

    let actualDomain = domain;
    if (vercelClient && deployment) {
      try {
        actualDomain = deployment.url || domain;
        console.log('🌐 Verified actual domain:', actualDomain);
      } catch (error) {
        console.warn(
          '⚠️  Could not verify domain via SDK, using assumed domain'
        );
      }
    }

    // Update environment variables if domain changed
    if (actualDomain !== domain) {
      console.log('🔄 Updating environment variables with correct domain...');

      const webhookUrl =
        process.env.NEYNAR_API_KEY && process.env.NEYNAR_CLIENT_ID
          ? `https://api.neynar.com/f/app/${process.env.NEYNAR_CLIENT_ID}/event`
          : `https://${actualDomain}/api/webhook`;

      const updatedEnv = {
        NEXTAUTH_URL: `https://${actualDomain}`,
        NEXT_PUBLIC_URL: `https://${actualDomain}`,
      };

      if (miniAppMetadata) {
        const updatedMetadata = await generateFarcasterMetadata(
          actualDomain,
          fid,
          await validateSeedPhrase(process.env.SEED_PHRASE),
          process.env.SEED_PHRASE,
          webhookUrl
        );
        updatedEnv.MINI_APP_METADATA = updatedMetadata;
      }

      await setEnvironmentVariables(
        vercelClient,
        projectId,
        updatedEnv,
        projectRoot
      );

      console.log('\n📦 Redeploying with correct domain...');
      const vercelRedeploy = spawn('vercel', ['deploy', '--prod'], {
        cwd: projectRoot,
        stdio: 'inherit',
        env: process.env,
      });

      await new Promise((resolve, reject) => {
        vercelRedeploy.on('close', (code) => {
          if (code === 0) {
            console.log('✅ Redeployment completed');
            resolve();
          } else {
            console.error(`❌ Redeployment failed with code: ${code}`);
            reject(new Error(`Redeployment failed with exit code: ${code}`));
          }
        });

        vercelRedeploy.on('error', (error) => {
          console.error('❌ Redeployment error:', error.message);
          reject(error);
        });
      });

      domain = actualDomain;
    }

    console.log('\n✨ Deployment complete! Your mini app is now live at:');
    console.log(`🌐 https://${domain}`);
    console.log(
      '\n📝 You can manage your project at https://vercel.com/dashboard'
    );
  } catch (error) {
    console.error('\n❌ Deployment failed:', error.message);
    process.exit(1);
  }
}

async function main() {
  try {
    console.log('🚀 Vercel Mini App Deployment (SDK Edition)');
    console.log(
      'This script will deploy your mini app to Vercel using the Vercel SDK.'
    );
    console.log('\nThe script will:');
    console.log('1. Check for required environment variables');
    console.log('2. Set up a Vercel project (new or existing)');
    console.log('3. Configure environment variables in Vercel using SDK');
    console.log('4. Deploy and build your mini app\n');

    // Check if @vercel/sdk is installed
    try {
      await import('@vercel/sdk');
    } catch (error) {
      console.log('📦 Installing @vercel/sdk...');
      execSync('npm install @vercel/sdk', {
        cwd: projectRoot,
        stdio: 'inherit',
      });
      console.log('✅ @vercel/sdk installed successfully');
    }

    await checkRequiredEnvVars();

    const remoteUrl = await getGitRemote();
    let useGitHub = false;

    if (remoteUrl) {
      console.log('\n📦 Found GitHub repository:', remoteUrl);
      const { useGitHubDeploy } = await inquirer.prompt([
        {
          type: 'confirm',
          name: 'useGitHubDeploy',
          message: 'Would you like to deploy from the GitHub repository?',
          default: true,
        },
      ]);
      useGitHub = useGitHubDeploy;
    } else {
      console.log('\n⚠️  No GitHub repository found.');
      const { action } = await inquirer.prompt([
        {
          type: 'list',
          name: 'action',
          message: 'What would you like to do?',
          choices: [
            { name: 'Deploy local code directly', value: 'deploy' },
            { name: 'Set up GitHub repository first', value: 'setup' },
          ],
          default: 'deploy',
        },
      ]);

      if (action === 'setup') {
        console.log('\n👋 Please set up your GitHub repository first:');
        console.log('1. Create a new repository on GitHub');
        console.log('2. Run these commands:');
        console.log('   git remote add origin <your-repo-url>');
        console.log('   git push -u origin main');
        console.log('\nThen run this script again to deploy.');
        process.exit(0);
      }
    }

    if (!(await checkVercelCLI())) {
      console.log('Vercel CLI not found. Installing...');
      await installVercelCLI();
    }

    if (!(await loginToVercel())) {
      console.error('\n❌ Failed to log in to Vercel. Please try again.');
      process.exit(1);
    }

    await deployToVercel(useGitHub);
  } catch (error) {
    console.error('\n❌ Error:', error.message);
    process.exit(1);
  }
}

main();