import * as plugins from './plugins.js';
import * as paths from './paths.js';
import { logger } from './logging.js';

import { TypeDoc } from './classes.typedoc.js';
import { AiDoc } from './classes.aidoc.js';
import * as context from './context/index.js';

export const run = async () => {
  const tsdocCli = new plugins.smartcli.Smartcli();

  tsdocCli.standardCommand().subscribe(async (argvArg) => {
    logger.log('warn', `Auto detecting environment!`);
    switch (true) {
      case await TypeDoc.isTypeDocDir(paths.cwd):
        logger.log('ok', `Detected TypeDoc compliant directory at ${paths.cwd}`);
        tsdocCli.triggerCommand('typedoc', argvArg);
        break;
      default:
        logger.log('error', `Cannot determine docs format at ${paths.cwd}`);
    }
  });

  tsdocCli.addCommand('typedoc').subscribe(async (argvArg) => {
    const typeDocInstance = new TypeDoc(paths.cwd);
    await typeDocInstance.compile({
      publicSubdir: argvArg.publicSubdir,
    });
  });

  tsdocCli.addCommand('aidoc').subscribe(async (argvArg) => {
    const aidocInstance = new AiDoc();
    await aidocInstance.start();
    
    // Get context token count if requested
    if (argvArg.tokens || argvArg.showTokens) {
      logger.log('info', `Calculating context token count...`);
      const tokenCount = await aidocInstance.getProjectContextTokenCount(paths.cwd);
      logger.log('ok', `Total context token count: ${tokenCount}`);
      
      if (argvArg.tokensOnly) {
        return; // Exit early if we only want token count
      }
    }
    
    logger.log('info', `Generating new readme...`);
    logger.log('info', `This may take some time...`);
    await aidocInstance.buildReadme(paths.cwd);
    logger.log('info', `Generating new keywords...`);
    logger.log('info', `This may take some time...`);
    await aidocInstance.buildDescription(paths.cwd);
  });

  tsdocCli.addCommand('tokens').subscribe(async (argvArg) => {
    const aidocInstance = new AiDoc();
    await aidocInstance.start();
    
    logger.log('info', `Calculating context token count...`);
    
    // Determine context mode based on args
    let contextMode: context.ContextMode = 'full';
    if (argvArg.trim || argvArg.trimmed) {
      contextMode = 'trimmed';
    } else if (argvArg.summarize || argvArg.summarized) {
      contextMode = 'summarized';
    }
    
    // Get task type if specified
    let taskType: context.TaskType | undefined = undefined;
    if (argvArg.task) {
      if (['readme', 'commit', 'description'].includes(argvArg.task)) {
        taskType = argvArg.task as context.TaskType;
      } else {
        logger.log('warn', `Unknown task type: ${argvArg.task}. Using default context.`);
      }
    }
    
    // Use enhanced context
    const taskFactory = new context.TaskContextFactory(paths.cwd);
    await taskFactory.initialize();
    
    let contextResult: context.IContextResult;
    
    if (argvArg.all) {
      // Show stats for all task types
      const stats = await taskFactory.getTokenStats();
      
      logger.log('ok', 'Token statistics by task:');
      for (const [task, data] of Object.entries(stats)) {
        logger.log('info', `\n${task.toUpperCase()}:`);
        logger.log('info', `  Tokens: ${data.tokenCount}`);
        logger.log('info', `  Token savings: ${data.savings}`);
        logger.log('info', `  Files: ${data.includedFiles} included, ${data.trimmedFiles} trimmed, ${data.excludedFiles} excluded`);
        
        // Calculate percentage of model context
        const o4MiniPercentage = (data.tokenCount / 200000 * 100).toFixed(2);
        logger.log('info', `  Context usage: ${o4MiniPercentage}% of o4-mini (200K tokens)`);
      }
      
      return;
    }
    
    if (taskType) {
      // Get context for specific task
      contextResult = await taskFactory.createContextForTask(taskType);
    } else {
      // Get generic context with specified mode
      const enhancedContext = new context.EnhancedContext(paths.cwd);
      await enhancedContext.initialize();
      enhancedContext.setContextMode(contextMode);
      
      if (argvArg.maxTokens) {
        enhancedContext.setTokenBudget(parseInt(argvArg.maxTokens, 10));
      }
      
      contextResult = await enhancedContext.buildContext();
    }
    
    // Display results
    logger.log('ok', `Total context token count: ${contextResult.tokenCount}`);
    logger.log('info', `Files included: ${contextResult.includedFiles.length}`);
    logger.log('info', `Files trimmed: ${contextResult.trimmedFiles.length}`);
    logger.log('info', `Files excluded: ${contextResult.excludedFiles.length}`);
    logger.log('info', `Token savings: ${contextResult.tokenSavings}`);
    
    if (argvArg.detailed) {
      // Show more detailed info about the context and token usage
      const o4MiniPercentage = (contextResult.tokenCount / 200000 * 100).toFixed(2);
      logger.log('info', `Token usage: ${o4MiniPercentage}% of o4-mini 200K token context window`);
      
      if (argvArg.model) {
        // Show percentages for different models
        if (argvArg.model === 'gpt4') {
          const gpt4Percentage = (contextResult.tokenCount / 8192 * 100).toFixed(2);
          logger.log('info', `Token usage (GPT-4): ${gpt4Percentage}% of 8192 token context window`);
        } else if (argvArg.model === 'gpt35') {
          const gpt35Percentage = (contextResult.tokenCount / 4096 * 100).toFixed(2);
          logger.log('info', `Token usage (GPT-3.5): ${gpt35Percentage}% of 4096 token context window`);
        }
      }
      
      // Estimate cost (approximate values)
      const o4MiniInputCost = 0.00005; // per 1K tokens for o4-mini
      const estimatedCost = (contextResult.tokenCount / 1000 * o4MiniInputCost).toFixed(6);
      logger.log('info', `Estimated input cost: $${estimatedCost} (o4-mini)`);
      
      if (argvArg.listFiles) {
        // List files included in context
        logger.log('info', '\nIncluded files:');
        contextResult.includedFiles.forEach(file => {
          logger.log('info', `  ${file.relativePath} (${file.tokenCount} tokens)`);
        });
        
        logger.log('info', '\nTrimmed files:');
        contextResult.trimmedFiles.forEach(file => {
          logger.log('info', `  ${file.relativePath} (${file.tokenCount} tokens)`);
        });
        
        if (contextResult.excludedFiles.length > 0) {
          logger.log('info', '\nExcluded files:');
          contextResult.excludedFiles.forEach(file => {
            logger.log('info', `  ${file.relativePath} (${file.tokenCount} tokens)`);
          });
        }
      }
    }
  });

  tsdocCli.addCommand('test').subscribe((argvArg) => {
    tsdocCli.triggerCommand('typedoc', argvArg);
    process.on('exit', async () => {
      await plugins.smartfile.fs.remove(paths.publicDir);
    });
  });

  tsdocCli.startParse();
};