module RailsOpenapiGen::DebugHelpers

def self.analyze_file(file_path)
  unless File.exist?(file_path)
    puts "❌ File not found: #{file_path}"
    return
  end
  content = File.read(file_path)
  lines = content.lines
  puts "📊 Quick Analysis: #{File.basename(file_path)}"
  puts "=" * 40
  puts "Lines: #{lines.size}"
  puts "Size: #{content.size} bytes"
  # Count different elements
  openapi_comments = lines.count { |line| line.include?('@openapi') }
  json_calls = lines.count { |line| line.include?('json.') }
  partials = lines.count { |line| line.include?('partial!') }
  arrays = lines.count { |line| line.include?('array!') }
  puts "OpenAPI comments: #{openapi_comments}"
  puts "JSON calls: #{json_calls}"
  puts "Partials: #{partials}"
  puts "Arrays: #{arrays}"
  puts "\n🔍 Preview (first 10 lines):"
  lines.first(10).each_with_index do |line, i|
    puts "#{(i + 1).to_s.rjust(2)}: #{line.chomp}"
  end
  puts "\n🚀 Parse with: RailsOpenapiGen::DebugHelpers.debug_jbuilder('#{file_path}')"
end

def self.create_sample_ast
  root = RailsOpenapiGen::AstNodes::ObjectNode.new(
    property_name: "user",
    comment_data: RailsOpenapiGen::AstNodes::CommentData.new(
      type: "object",
      description: "User information"
    )
  )
  # Add name property
  name_prop = RailsOpenapiGen::AstNodes::PropertyNode.new(
    property_name: "name",
    comment_data: RailsOpenapiGen::AstNodes::CommentData.new(
      type: "string",
      description: "User's full name",
      required: true
    )
  )
  root.add_child(name_prop)
  # Add email property
  email_prop = RailsOpenapiGen::AstNodes::PropertyNode.new(
    property_name: "email",
    comment_data: RailsOpenapiGen::AstNodes::CommentData.new(
      type: "string",
      description: "User's email address",
      required: true
    )
  )
  root.add_child(email_prop)
  # Add posts array
  posts_array = RailsOpenapiGen::AstNodes::ArrayNode.new(
    property_name: "posts",
    comment_data: RailsOpenapiGen::AstNodes::CommentData.new(
      type: "array",
      description: "User's posts"
    )
  )
  # Add post title to array items
  title_prop = RailsOpenapiGen::AstNodes::PropertyNode.new(
    property_name: "title",
    comment_data: RailsOpenapiGen::AstNodes::CommentData.new(
      type: "string",
      description: "Post title"
    )
  )
  posts_array.add_child(title_prop)
  root.add_child(posts_array)
  root
end

def self.debug_jbuilder(file_path, mode: :compact)
  parser = RailsOpenapiGen::Parsers::Jbuilder::JbuilderParser.new(file_path)
  case mode
  when :compact
    parser.debug_print_compact
  when :full
    parser.debug_print_result
  when :export
    parser.debug_export_ast
  else
    puts "Unknown mode: #{mode}. Use :compact, :full, or :export"
  end
end

def self.debug_multiple(pattern = "**/*.jbuilder", mode: :compact)
  files = Dir.glob(pattern)
  if files.empty?
    puts "No files found with pattern: #{pattern}"
    return
  end
  puts "🔍 Debugging #{files.size} files with pattern: #{pattern}"
  puts "=" * 60
  files.each_with_index do |file, index|
    puts "\n[#{index + 1}/#{files.size}] #{file}"
    debug_jbuilder(file, mode: mode)
  end
end

def self.demo_pretty_print
  puts "🎨 Pretty Print Demo"
  puts "=" * 50
  ast = create_sample_ast
  puts "\n📋 Sample AST Structure:"
  ast.pretty_print
  puts "\n📄 Debug Line Format:"
  puts "Root: #{ast.debug_line}"
  ast.children.each { |child| puts "  Child: #{child.debug_line}" }
  puts "\n💾 Export to File:"
  File.open("sample_ast_debug.txt", 'w') do |f|
    original_stdout = $stdout
    $stdout = f
    ast.pretty_print
    $stdout = original_stdout
  end
  puts "Exported to: sample_ast_debug.txt"
end

def self.list_examples
  patterns = [
    "examples/**/*.jbuilder",
    "spec/**/*.jbuilder",
    "**/*.jbuilder"
  ]
  puts "📁 Available Example Files:"
  puts "=" * 40
  patterns.each do |pattern|
    files = Dir.glob(pattern)
    next if files.empty?
    puts "\n#{pattern}:"
    files.each { |file| puts "  #{file}" }
  end
end