interactive.js

import inquirer from 'inquirer';
import chalk from 'chalk';
import ora from 'ora';
import {
  getLagoonInstances,
  getProjectsWithDetails,
  getEnvironments,
  getUsers,
  deleteEnvironment,
  generateLoginLink,
  clearDrupalCache,
  gitUrlToGithubUrl,
  extractPrNumber
} from './lagoon-api';
import { logAction } from './logger';
import { configureSshKey } from './lagoon-ssh-key-configurator';

/**
 * Launches the interactive Lagoon CLI wrapper, allowing users to manage projects and environments through a guided command-line interface.
 *
 * Presents menus for selecting Lagoon instances and projects, and provides options to list environments or users, delete environments, generate login links, clear Drupal cache, configure SSH keys, and change selections. Handles errors gracefully and logs major actions throughout the session.
 */
export async function startInteractiveMode() {
  console.log(chalk.green('Welcome to the Lagoon CLI Wrapper!'));
  logAction('Application Start', 'N/A', 'Interactive mode started');

  let exit = false;
  let currentInstance = null;
  let currentProject = null;
  let currentProjectDetails = null;
  let githubBaseUrl = null;

  while (!exit) {
    try {
      // If no instance is selected, prompt for one
      if (!currentInstance) {
        currentInstance = await selectLagoonInstance();
        logAction('Select Instance', 'N/A', `Selected instance: ${currentInstance}`);
      }

      // If no project is selected, prompt for one
      if (!currentProject) {
        const result = await selectProjectWithDetails(currentInstance);
        currentProject = result.projectName;
        currentProjectDetails = result.projectDetails;
        logAction('Select Project', 'N/A', `Selected project: ${currentProject}`);

        // Convert git URL to GitHub URL if possible
        if (currentProjectDetails.giturl) {
          githubBaseUrl = gitUrlToGithubUrl(currentProjectDetails.giturl);
        }
      }

      // Show main menu
      const action = await showMainMenu(currentInstance, currentProject);
      logAction('Menu Selection', 'N/A', `Selected action: ${action}`);

      switch (action) {
        case 'listEnvironments':
          await listEnvironments(currentInstance, currentProject, githubBaseUrl);
          break;
        case 'listUsers':
          await listUsers(currentInstance, currentProject);
          break;
        case 'deleteEnvironment':
          await deleteEnvironmentFlow(currentInstance, currentProject, githubBaseUrl);
          break;
        case 'generateLoginLink':
          await generateLoginLinkFlow(currentInstance, currentProject, githubBaseUrl);
          break;
        case 'clearCache':
          await clearCacheFlow(currentInstance, currentProject, githubBaseUrl);
          break;
        case 'configureUserSshKey':
          await configureSshKey(currentInstance, currentProject);
          break;
        case 'changeProject':
          currentProject = null;
          currentProjectDetails = null;
          githubBaseUrl = null;
          logAction('Change Project', 'N/A', 'Project selection reset');
          break;
        case 'changeInstance':
          currentInstance = null;
          currentProject = null;
          currentProjectDetails = null;
          githubBaseUrl = null;
          logAction('Change Instance', 'N/A', 'Instance selection reset');
          break;
        case 'exit':
          exit = true;
          logAction('Exit Application', 'N/A', 'User exited the application');
          break;
      }
    } catch (error) {
      console.error(chalk.red(`Error: ${error.message}`));
      await inquirer.prompt([
        {
          type: 'confirm',
          name: 'continue',
          message: 'Do you want to continue?',
          default: true
        }
      ]).then(answers => {
        if (!answers.continue) {
          exit = true;
          logAction('Exit Application', 'N/A', 'User exited after error');
        }
      });
    }
  }

  console.log(chalk.green('Thank you for using Lagoon CLI Wrapper!'));
}

async function selectLagoonInstance() {
  const spinner = ora('Loading Lagoon instances...').start();
  const instances = await getLagoonInstances();
  spinner.stop();

  const { instance } = await inquirer.prompt([
    {
      type: 'list',
      name: 'instance',
      message: 'Select a Lagoon instance:',
      choices: instances
    }
  ]);

  return instance;
}

async function selectProjectWithDetails(instance) {
  const spinner = ora(`Loading projects for ${instance}...`).start();
  const projectsWithDetails = await getProjectsWithDetails(instance);
  spinner.stop();

  const projectChoices = projectsWithDetails.map(project => ({
    name: project.projectname,
    value: project.projectname
  }));

  const { project } = await inquirer.prompt([
    {
      type: 'list',
      name: 'project',
      message: 'Select a project:',
      choices: projectChoices
    }
  ]);

  const projectDetails = projectsWithDetails.find(p => p.projectname === project);

  return {
    projectName: project,
    projectDetails: projectDetails
  };
}

/**
 * Displays the main menu for the interactive CLI and prompts the user to select an action.
 *
 * @param {string} instance - The name of the currently selected Lagoon instance.
 * @param {string} project - The name of the currently selected project.
 * @returns {Promise<string>} The action selected by the user.
 */
async function showMainMenu(instance, project) {
  console.log(chalk.blue(`\nCurrent Instance: ${chalk.bold(instance)}`));
  console.log(chalk.blue(`Current Project: ${chalk.bold(project)}\n`));

  const { action } = await inquirer.prompt([
    {
      type: 'list',
      name: 'action',
      message: 'What would you like to do?',
      choices: [
        { name: 'List Environments', value: 'listEnvironments' },
        { name: 'List Users', value: 'listUsers' },
        { name: 'Delete Environment', value: 'deleteEnvironment' },
        { name: 'Generate Login Link', value: 'generateLoginLink' },
        { name: 'Clear Drupal Cache', value: 'clearCache' },
        { name: 'Change Project', value: 'changeProject' },
        { name: 'Change Instance', value: 'changeInstance' },
        { name: 'Configure User SSH Key', value: 'configureUserSshKey' },
        { name: 'Exit', value: 'exit' }
      ]
    }
  ]);

  return action;
}

async function listEnvironments(instance, project, githubBaseUrl) {
  const spinner = ora(`Loading environments for ${project}...`).start();
  const environments = await getEnvironments(instance, project);
  spinner.stop();

  console.log(chalk.green('\nEnvironments:'));
  environments.forEach(env => {
    const prNumber = extractPrNumber(env);
    if (prNumber && githubBaseUrl) {
      const prUrl = `${githubBaseUrl}/pull/${prNumber}`;
      console.log(`- ${env} ${chalk.blue(`(PR #${prNumber}: ${prUrl})`)}`);
    } else {
      console.log(`- ${env}`);
    }
  });

  await inquirer.prompt([
    {
      type: 'input',
      name: 'continue',
      message: 'Press Enter to continue...'
    }
  ]);
}

async function listUsers(instance, project) {
  const spinner = ora(`Loading users for ${project}...`).start();
  const users = await getUsers(instance, project);
  spinner.stop();

  console.log(chalk.green('\nUsers:'));
  users.forEach(user => {
    console.log(`- ${user}`);
  });

  await inquirer.prompt([
    {
      type: 'input',
      name: 'continue',
      message: 'Press Enter to continue...'
    }
  ]);
}

async function deleteEnvironmentFlow(instance, project, githubBaseUrl) {
  const spinner = ora(`Loading environments for ${project}...`).start();
  const allEnvironments = await getEnvironments(instance, project);
  spinner.stop();

  // Filter out protected environments
  const eligibleEnvironments = allEnvironments.filter(env =>
    env !== 'production' &&
    env !== 'master' &&
    env !== 'develop' &&
    !env.startsWith('project/')
  );

  if (eligibleEnvironments.length === 0) {
    console.log(chalk.yellow('\nNo eligible environments to delete.'));
    await inquirer.prompt([
      {
        type: 'input',
        name: 'continue',
        message: 'Press Enter to continue...'
      }
    ]);
    return;
  }

  // Display environments with PR links before selection
  console.log(chalk.green('\nEligible environments for deletion:'));
  eligibleEnvironments.forEach(env => {
    const prNumber = extractPrNumber(env);
    if (prNumber && githubBaseUrl) {
      const prUrl = `${githubBaseUrl}/pull/${prNumber}`;
      console.log(`- ${env} ${chalk.blue(`(PR #${prNumber}: ${prUrl})`)}`);
    } else {
      console.log(`- ${env}`);
    }
  });
  console.log(''); // Add a blank line for better readability

  // Create choices with PR information for selection
  const choices = eligibleEnvironments.map(env => {
    const prNumber = extractPrNumber(env);
    const prUrl = `${githubBaseUrl}/pull/${prNumber}`;
    if (prNumber && githubBaseUrl) {
      return {
        name: `${env} (PR #${prUrl})`,
        value: env
      };
    }
    return env;
  });

  const { selectedEnvironments } = await inquirer.prompt([
    {
      type: 'checkbox',
      name: 'selectedEnvironments',
      message: 'Select environments to delete:',
      choices: choices
    }
  ]);

  if (selectedEnvironments.length === 0) {
    console.log(chalk.yellow('\nNo environments selected.'));
    return;
  }

  const { confirm } = await inquirer.prompt([
    {
      type: 'confirm',
      name: 'confirm',
      message: `Are you sure you want to delete the following environment(s)?:\n${selectedEnvironments.map(env => `  - ${env}`).join('\n')}\n\nTotal: ${selectedEnvironments.length} environment(s)`,
      default: false
    }
  ]);

  if (confirm) {
    for (const env of selectedEnvironments) {
      const spinner = ora(`Deleting environment ${env}...`).start();
      try {
        await deleteEnvironment(instance, project, env);
        spinner.succeed(`Environment ${env} deleted successfully.`);
      } catch (error) {
        spinner.fail(`Failed to delete environment ${env}: ${error.message}`);
      }
    }
  } else {
    console.log(chalk.yellow('\nDeletion cancelled.'));
  }

  await inquirer.prompt([
    {
      type: 'input',
      name: 'continue',
      message: 'Press Enter to continue...'
    }
  ]);
}

async function generateLoginLinkFlow(instance, project, githubBaseUrl) {
  const spinner = ora(`Loading environments for ${project}...`).start();
  const allEnvironments = await getEnvironments(instance, project);
  spinner.stop();

  // Filter out protected environments
  const eligibleEnvironments = allEnvironments.filter(env =>
    env !== 'production' &&
    env !== 'master'
  );

  if (eligibleEnvironments.length === 0) {
    console.log(chalk.yellow('\nNo eligible environments for login link generation.'));
    await inquirer.prompt([
      {
        type: 'input',
        name: 'continue',
        message: 'Press Enter to continue...'
      }
    ]);
    return;
  }

  // Create choices with PR information
  const choices = eligibleEnvironments.map(env => {
    const prNumber = extractPrNumber(env);
    if (prNumber && githubBaseUrl) {
      return {
        name: `${env} (PR #${prNumber})`,
        value: env
      };
    }
    return env;
  });

  const { selectedEnvironment } = await inquirer.prompt([
    {
      type: 'list',
      name: 'selectedEnvironment',
      message: 'Select an environment to generate a login link:',
      choices: choices
    }
  ]);

  const spinner2 = ora(`Generating login link for ${selectedEnvironment}...`).start();
  try {
    const loginLink = await generateLoginLink(instance, project, selectedEnvironment);
    spinner2.succeed('Login link generated successfully.');

    console.log(chalk.green('\nLogin Link:'));
    console.log(chalk.cyan(loginLink));
  } catch (error) {
    spinner2.fail(`Failed to generate login link: ${error.message}`);
  }

  await inquirer.prompt([
    {
      type: 'input',
      name: 'continue',
      message: 'Press Enter to continue...'
    }
  ]);
}

async function clearCacheFlow(instance, project, githubBaseUrl) {
  const spinner = ora(`Loading environments for ${project}...`).start();
  const allEnvironments = await getEnvironments(instance, project);
  spinner.stop();

  if (allEnvironments.length === 0) {
    console.log(chalk.yellow('\nNo environments found.'));
    await inquirer.prompt([
      {
        type: 'input',
        name: 'continue',
        message: 'Press Enter to continue...'
      }
    ]);
    return;
  }

  // Create choices with PR information
  const choices = allEnvironments.map(env => {
    const prNumber = extractPrNumber(env);
    if (prNumber && githubBaseUrl) {
      return {
        name: `${env} (PR #${prNumber})`,
        value: env
      };
    }
    return env;
  });

  const { selectedEnvironment } = await inquirer.prompt([
    {
      type: 'list',
      name: 'selectedEnvironment',
      message: 'Select an environment to clear cache:',
      choices: choices
    }
  ]);

  const spinner2 = ora(`Clearing cache for ${selectedEnvironment}...`).start();
  try {
    const result = await clearDrupalCache(instance, project, selectedEnvironment);
    spinner2.succeed('Cache cleared successfully.');

    console.log(chalk.green('\nCache Clear Result:'));
    console.log(chalk.cyan(result || 'Cache cleared successfully.'));
  } catch (error) {
    spinner2.fail(`Failed to clear cache: ${error.message}`);
  }

  await inquirer.prompt([
    {
      type: 'input',
      name: 'continue',
      message: 'Press Enter to continue...'
    }
  ]);
}