// this file contains code to create commits in a consistent way

import * as plugins from './mod.plugins.js';
import * as paths from '../paths.js';
import { logger } from '../gitzone.logging.js';
import * as helpers from './mod.helpers.js';
import * as ui from './mod.ui.js';
import { ReleaseConfig } from '../mod_config/classes.releaseconfig.js';

export const run = async (argvArg: any) => {
  // Check if release flag is set and validate registries early
  const wantsRelease = !!(argvArg.r || argvArg.release);
  let releaseConfig: ReleaseConfig | null = null;

  if (wantsRelease) {
    releaseConfig = await ReleaseConfig.fromCwd();
    if (!releaseConfig.hasRegistries()) {
      logger.log('error', 'No release registries configured.');
      console.log('');
      console.log('  Run `gitzone config add <registry-url>` to add registries.');
      console.log('');
      process.exit(1);
    }
  }

  if (argvArg.format) {
    const formatMod = await import('../mod_format/index.js');
    await formatMod.run();
  }

  ui.printHeader('🔍 Analyzing repository changes...');

  const aidoc = new plugins.tsdoc.AiDoc();
  await aidoc.start();

  const nextCommitObject = await aidoc.buildNextCommitObject(paths.cwd);

  await aidoc.stop();

  ui.printRecommendation({
    recommendedNextVersion: nextCommitObject.recommendedNextVersion,
    recommendedNextVersionLevel: nextCommitObject.recommendedNextVersionLevel,
    recommendedNextVersionScope: nextCommitObject.recommendedNextVersionScope,
    recommendedNextVersionMessage: nextCommitObject.recommendedNextVersionMessage,
  });

  let answerBucket: plugins.smartinteract.AnswerBucket;

  // Check if -y/--yes flag is set AND version is not a breaking change
  // Breaking changes (major version bumps) always require manual confirmation
  const isBreakingChange = nextCommitObject.recommendedNextVersionLevel === 'BREAKING CHANGE';
  const canAutoAccept = (argvArg.y || argvArg.yes) && !isBreakingChange;

  if (canAutoAccept) {
    // Auto-mode: create AnswerBucket programmatically
    logger.log('info', '✓ Auto-accepting AI recommendations (--yes flag)');

    answerBucket = new plugins.smartinteract.AnswerBucket();
    answerBucket.addAnswer({
      name: 'commitType',
      value: nextCommitObject.recommendedNextVersionLevel,
    });
    answerBucket.addAnswer({
      name: 'commitScope',
      value: nextCommitObject.recommendedNextVersionScope,
    });
    answerBucket.addAnswer({
      name: 'commitDescription',
      value: nextCommitObject.recommendedNextVersionMessage,
    });
    answerBucket.addAnswer({
      name: 'pushToOrigin',
      value: !!(argvArg.p || argvArg.push), // Only push if -p flag also provided
    });
    answerBucket.addAnswer({
      name: 'createRelease',
      value: wantsRelease,
    });
  } else {
    // Warn if --yes was provided but we're requiring confirmation due to breaking change
    if (isBreakingChange && (argvArg.y || argvArg.yes)) {
      logger.log('warn', '⚠️  BREAKING CHANGE detected - manual confirmation required');
    }
    // Interactive mode: prompt user for input
    const commitInteract = new plugins.smartinteract.SmartInteract();
    commitInteract.addQuestions([
      {
        type: 'list',
        name: `commitType`,
        message: `Choose TYPE of the commit:`,
        choices: [`fix`, `feat`, `BREAKING CHANGE`],
        default: nextCommitObject.recommendedNextVersionLevel,
      },
      {
        type: 'input',
        name: `commitScope`,
        message: `What is the SCOPE of the commit:`,
        default: nextCommitObject.recommendedNextVersionScope,
      },
      {
        type: `input`,
        name: `commitDescription`,
        message: `What is the DESCRIPTION of the commit?`,
        default: nextCommitObject.recommendedNextVersionMessage,
      },
      {
        type: 'confirm',
        name: `pushToOrigin`,
        message: `Do you want to push this version now?`,
        default: true,
      },
      {
        type: 'confirm',
        name: `createRelease`,
        message: `Do you want to publish to npm registries?`,
        default: wantsRelease,
      },
    ]);
    answerBucket = await commitInteract.runQueue();
  }
  const commitString = createCommitStringFromAnswerBucket(answerBucket);
  const commitVersionType = (() => {
    switch (answerBucket.getAnswerFor('commitType')) {
      case 'fix':
        return 'patch';
      case 'feat':
        return 'minor';
      case 'BREAKING CHANGE':
        return 'major';
    }
  })();

  ui.printHeader('✨ Creating Semantic Commit');
  ui.printCommitMessage(commitString);
  const smartshellInstance = new plugins.smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });

  // Load release config if user wants to release (interactively selected)
  if (answerBucket.getAnswerFor('createRelease') && !releaseConfig) {
    releaseConfig = await ReleaseConfig.fromCwd();
    if (!releaseConfig.hasRegistries()) {
      logger.log('error', 'No release registries configured.');
      console.log('');
      console.log('  Run `gitzone config add <registry-url>` to add registries.');
      console.log('');
      process.exit(1);
    }
  }

  // Determine total steps based on options
  const willPush = answerBucket.getAnswerFor('pushToOrigin') && !(process.env.CI === 'true');
  const willRelease = answerBucket.getAnswerFor('createRelease') && releaseConfig?.hasRegistries();
  let totalSteps = 5; // Base steps: commitinfo, changelog, staging, commit, version
  if (willPush) totalSteps++;
  if (willRelease) totalSteps++;
  let currentStep = 0;

  // Step 1: Baking commitinfo
  currentStep++;
  ui.printStep(currentStep, totalSteps, '🔧 Baking commit info into code', 'in-progress');
  const commitInfo = new plugins.commitinfo.CommitInfo(
    paths.cwd,
    commitVersionType,
  );
  await commitInfo.writeIntoPotentialDirs();
  ui.printStep(currentStep, totalSteps, '🔧 Baking commit info into code', 'done');

  // Step 2: Writing changelog
  currentStep++;
  ui.printStep(currentStep, totalSteps, '📄 Generating changelog.md', 'in-progress');
  let changelog = nextCommitObject.changelog;
  changelog = changelog.replaceAll(
    '{{nextVersion}}',
    (await commitInfo.getNextPlannedVersion()).versionString,
  );
  changelog = changelog.replaceAll(
    '{{nextVersionScope}}',
    `${await answerBucket.getAnswerFor('commitType')}(${await answerBucket.getAnswerFor('commitScope')})`,
  );
  changelog = changelog.replaceAll(
    '{{nextVersionMessage}}',
    nextCommitObject.recommendedNextVersionMessage,
  );
  if (nextCommitObject.recommendedNextVersionDetails?.length > 0) {
    changelog = changelog.replaceAll(
      '{{nextVersionDetails}}',
      '- ' + nextCommitObject.recommendedNextVersionDetails.join('\n- '),
    );
  } else {
    changelog = changelog.replaceAll('\n{{nextVersionDetails}}', '');
  }

  await plugins.smartfs
    .file(plugins.path.join(paths.cwd, `changelog.md`))
    .encoding('utf8')
    .write(changelog);
  ui.printStep(currentStep, totalSteps, '📄 Generating changelog.md', 'done');

  // Step 3: Staging files
  currentStep++;
  ui.printStep(currentStep, totalSteps, '📦 Staging files', 'in-progress');
  await smartshellInstance.exec(`git add -A`);
  ui.printStep(currentStep, totalSteps, '📦 Staging files', 'done');

  // Step 4: Creating commit
  currentStep++;
  ui.printStep(currentStep, totalSteps, '💾 Creating git commit', 'in-progress');
  await smartshellInstance.exec(`git commit -m "${commitString}"`);
  ui.printStep(currentStep, totalSteps, '💾 Creating git commit', 'done');

  // Step 5: Bumping version
  currentStep++;
  const projectType = await helpers.detectProjectType();
  const newVersion = await helpers.bumpProjectVersion(projectType, commitVersionType, currentStep, totalSteps);

  // Step 6: Push to remote (optional)
  const currentBranch = await helpers.detectCurrentBranch();
  if (willPush) {
    currentStep++;
    ui.printStep(currentStep, totalSteps, `🚀 Pushing to origin/${currentBranch}`, 'in-progress');
    await smartshellInstance.exec(`git push origin ${currentBranch} --follow-tags`);
    ui.printStep(currentStep, totalSteps, `🚀 Pushing to origin/${currentBranch}`, 'done');
  }

  // Step 7: Publish to npm registries (optional)
  let releasedRegistries: string[] = [];
  if (willRelease && releaseConfig) {
    currentStep++;
    const registries = releaseConfig.getRegistries();
    ui.printStep(currentStep, totalSteps, `📦 Publishing to ${registries.length} registr${registries.length === 1 ? 'y' : 'ies'}`, 'in-progress');

    const accessLevel = releaseConfig.getAccessLevel();
    for (const registry of registries) {
      try {
        await smartshellInstance.exec(`npm publish --registry=${registry} --access=${accessLevel}`);
        releasedRegistries.push(registry);
      } catch (error) {
        logger.log('error', `Failed to publish to ${registry}: ${error}`);
      }
    }

    if (releasedRegistries.length === registries.length) {
      ui.printStep(currentStep, totalSteps, `📦 Publishing to ${registries.length} registr${registries.length === 1 ? 'y' : 'ies'}`, 'done');
    } else {
      ui.printStep(currentStep, totalSteps, `📦 Publishing to ${registries.length} registr${registries.length === 1 ? 'y' : 'ies'}`, 'error');
    }
  }

  console.log(''); // Add spacing before summary

  // Get commit SHA for summary
  const commitShaResult = await smartshellInstance.exec('git rev-parse --short HEAD');
  const commitSha = commitShaResult.stdout.trim();

  // Print final summary
  ui.printSummary({
    projectType,
    branch: currentBranch,
    commitType: answerBucket.getAnswerFor('commitType'),
    commitScope: answerBucket.getAnswerFor('commitScope'),
    commitMessage: answerBucket.getAnswerFor('commitDescription'),
    newVersion: newVersion,
    commitSha: commitSha,
    pushed: willPush,
    released: releasedRegistries.length > 0,
    releasedRegistries: releasedRegistries.length > 0 ? releasedRegistries : undefined,
  });
};

const createCommitStringFromAnswerBucket = (
  answerBucket: plugins.smartinteract.AnswerBucket,
) => {
  const commitType = answerBucket.getAnswerFor('commitType');
  const commitScope = answerBucket.getAnswerFor('commitScope');
  const commitDescription = answerBucket.getAnswerFor('commitDescription');
  return `${commitType}(${commitScope}): ${commitDescription}`;
};