// Name: Log Analyzer
// Description: Analyzes a log file for errors and patterns.
// Author: johnlindquist

import '@johnlindquist/kit';

// Prompt the user to select a log file
const logFile = await path({ placeholder: 'Select a log file' });

// Read the content of the selected log file
const logContent = await readFile(logFile, 'utf-8');

// Define a regular expression to identify error lines (case-insensitive)
const errorRegex = /error|exception|fail/i;

// Filter log lines to find those containing errors
const errorLines = logContent.split('\n').filter(line => errorRegex.test(line));

// Prompt the user to enter a pattern to search for
const pattern = await arg({ placeholder: 'Enter a pattern to search for' });

// Create a regular expression from the user-provided pattern
const patternRegex = new RegExp(pattern);

// Filter log lines to find those matching the pattern
const patternLines = logContent.split('\n').filter(line => patternRegex.test(line));

// Generate a summary of the log analysis
const summary = `
# Log Analysis Report

## Log File:
${logFile}

## Error Summary:
${errorLines.length} errors found
${errorLines.join('\n')}

## Pattern Summary:
${patternLines.length} lines found matching "${pattern}"
${patternLines.join('\n')}
`;

// Display the summary in a stylized format
await div(md(summary));