#!/usr/bin/env ruby
require 'gli'
require 'bookingit'

include GLI::App
include FileUtils

program_desc 'Manage a bookingit book'

version Bookingit::VERSION

desc 'Set up a new book'
arg_name 'dir (defaults to .)'
command :init do |c|
  c.action do |global_options,options,args|
    dir = args.shift || "."
    chdir dir do
      File.open('config.json','w') do |file|
        file.puts %{
{
  "front_matter": "front.md",
  "main_matter": "main.md",
  "back_matter": "back.md"
}
}
      end
      File.open("front.md",'w') do |file|
        file.puts "# Intro Goes Here"
      end
      File.open("main.md",'w') do |file|
        file.puts "# Main stuff here"
      end
      File.open("back.md",'w') do |file|
        file.puts "# Appendeces and whatnot"
      end
    end
  end
end

desc 'build your book from markdown files'
arg_name '[output_dir]'
command :build do |c|
  c.desc "Use cache for code samples and console sessions"
  c.default_value true
  c.switch :cache
  c.action do |global_options,options,args|
    config = Bookingit::Config.new(File.read('config.json'),File.expand_path('.'))
    config.cache = options[:cache]
    book = Bookingit::Book.new(config,args.shift)
    book.render_html!
  end
end

pre do |global,command,options,args|
  true
end

post do |global,command,options,args|
end

on_error do |exception|
  case exception
  when Bookingit::UnexpectedShellCommandExit
    $stderr.puts "'#{exception.command}' exited in an unexpected way with exit status #{exception.exit_code}"
    $stderr.puts "stdout:"
    $stderr.puts exception.stdout
    $stderr.puts "stderr:"
    $stderr.puts exception.stderr
    false
  else
    true
  end
end

exit run(ARGV)