// File: ./eleventy.js
const yaml = require('js-yaml');
const fs = require('fs');

module.exports = function(eleventyConfig) {
  // Copy static assets
  eleventyConfig.addPassthroughCopy("src/js");
  eleventyConfig.addPassthroughCopy("src/images");
  eleventyConfig.addPassthroughCopy("src/icons");
  eleventyConfig.addPassthroughCopy("src/css");
  
  // Watch for changes
  eleventyConfig.addWatchTarget("src/css/");
  eleventyConfig.addWatchTarget("src/js/");
  eleventyConfig.addWatchTarget("src/data/");

  // Custom YAML data loader
  eleventyConfig.addDataExtension("yaml", contents => yaml.load(contents));
  eleventyConfig.addDataExtension("yml", contents => yaml.load(contents));

  // Filters
  eleventyConfig.addFilter("filterByDomain", function(tools, domain) {
    if (!domain) return tools;
    return tools.filter(tool => tool.domains && tool.domains.includes(domain));
  });

  eleventyConfig.addFilter("filterByPhase", function(tools, phase) {
    if (!phase) return tools;
    return tools.filter(tool => tool.phases && tool.phases.includes(phase));
  });

  eleventyConfig.addFilter("filterByType", function(tools, type) {
    if (!type) return tools;
    return tools.filter(tool => tool.type === type);
  });

  eleventyConfig.addFilter("searchTools", function(tools, searchTerm) {
    if (!searchTerm) return tools;
    const term = searchTerm.toLowerCase();
    return tools.filter(tool => 
      tool.name.toLowerCase().includes(term) ||
      tool.description.toLowerCase().includes(term) ||
      (tool.tags && tool.tags.some(tag => tag.toLowerCase().includes(term)))
    );
  });

  // Global data
  eleventyConfig.addGlobalData("domains", [
    'Filesystem Forensics',
    'Network Forensics', 
    'Memory Forensics',
    'Live Forensics',
    'Malware Analysis',
    'Cryptocurrency'
  ]);

  eleventyConfig.addGlobalData("phases", [
    'Data Collection',
    'Examination', 
    'Analysis',
    'Reporting'
  ]);

  // Configuration
  return {
    dir: {
      input: "src",
      output: "_site",
      includes: "_includes",
      layouts: "_layouts",
      data: "data"
    },
    templateFormats: ["md", "njk", "html"],
    markdownTemplateEngine: "njk",
    htmlTemplateEngine: "njk"
  };
};