class ERBLint::Reporters::JsonReporter

def format_offense(offense)
  {
    linter: offense.simple_name,
    message: offense.message.to_s,
    location: {
      start_line: offense.line_number,
      start_column: offense.column,
      last_line: offense.last_line,
      last_column: offense.last_column,
      length: offense.length,
    },
  }
end

def formatted_data
  {
    metadata: metadata,
    files: formatted_files,
    summary: summary,
  }.to_json
end

def formatted_files
  processed_files.map do |filename, offenses|
    {
      path: filename,
      offenses: formatted_offenses(offenses),
    }
  end
end

def formatted_offenses(offenses)
  offenses.map do |offense|
    format_offense(offense)
  end
end

def metadata
  {
    erb_lint_version: ERBLint::VERSION,
    ruby_engine: RUBY_ENGINE,
    ruby_version: RUBY_VERSION,
    ruby_patchlevel: RUBY_PATCHLEVEL.to_s,
    ruby_platform: RUBY_PLATFORM,
  }
end

def preview; end

def show
  puts formatted_data
end

def summary
  {
    offenses: stats.found,
    inspected_files: stats.processed_files.size,
    corrected: stats.corrected,
  }
end