class Sentry::StacktraceInterface::Frame

def compute_filename
  return if abs_path.nil?
  prefix =
    if under_project_root? && in_app
      @project_root
    elsif under_project_root?
      longest_load_path || @project_root
    else
      longest_load_path
    end
  prefix ? abs_path[prefix.to_s.chomp(File::SEPARATOR).length + 1..-1] : abs_path
end

def initialize(project_root, line)
  @project_root = project_root
  @abs_path = line.file
  @function = line.method if line.method
  @lineno = line.number
  @in_app = line.in_app
  @module = line.module_name if line.module_name
  @filename = compute_filename
end

def longest_load_path
  $LOAD_PATH.select { |path| abs_path.start_with?(path.to_s) }.max_by(&:size)
end

def set_context(linecache, context_lines)
  return unless abs_path
  @pre_context, @context_line, @post_context = \
      linecache.get_file_context(abs_path, lineno, context_lines)
end

def to_hash(*args)
  data = super(*args)
  data.delete(:vars) unless vars && !vars.empty?
  data.delete(:pre_context) unless pre_context && !pre_context.empty?
  data.delete(:post_context) unless post_context && !post_context.empty?
  data.delete(:context_line) unless context_line && !context_line.empty?
  data
end

def to_s
  "#{@filename}:#{@lineno}"
end

def under_project_root?
  @project_root && abs_path.start_with?(@project_root)
end