#!/usr/bin/env bundle exec ruby
# frozen_string_literal: true

# encoding=utf-8
require 'bundler/setup'
Bundler.require(:default)

require_relative '../lib/markdown_exec'

trace_enabled = false

if ENV['MDE_TRACE_POINT']
  trace_output = if ENV['MDE_TRACE_POINT_FILE']
                   File.open(ENV['MDE_TRACE_POINT_FILE'], 'a')
                 else
                   $stderr
                 end

  trace = TracePoint.new(:line) do |tp|
    next unless trace_enabled

    method_name = tp.method_id || 'unknown_method'
    next if method_name == :method_missing

    next if tp.path.match?(%r{(/\.bundle/|/\.rbenv/|internal:|lib/colorize|lib/object_present|lib/resize_terminal)})

    message = "#{'.' * Thread.current.backtrace_locations.size} #{tp.path.sub(Dir.pwd, '')} [#{method_name}] #{tp.lineno + 1}"

    if trace_output.is_a?(File)
      trace_output.puts(message)
    else
      warn message
      $stderr.flush
    end
  end

  def tpbreak
    trace_enabled = false
    binding.irb
  end

  def tpgo
    trace_enabled = true
  end

  trace.enable
  trace_enabled = true
end

begin
  MarkdownExec::MarkParse.new.run
ensure
  trace&.disable
  trace_output&.close if trace_output.is_a?(File)
end