#!/usr/bin/env ruby
STDOUT.sync = true

$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), *%w(.. lib)))

require "bunto"
require "mercenary"

Bunto::PluginManager.require_from_bundler

Bunto::Deprecator.process(ARGV)

Mercenary.program(:bunto) do |p|
  p.version Bunto::VERSION
  p.description "Bunto is a blog-aware, static site generator in Ruby"
  p.syntax "bunto <subcommand> [options]"

  p.option "source", "-s", "--source [DIR]", "Source directory (defaults to ./)"
  p.option "destination", "-d", "--destination [DIR]",
    "Destination directory (defaults to ./_site)"
  p.option "safe", "--safe", "Safe mode (defaults to false)"
  p.option "plugins_dir", "-p", "--plugins PLUGINS_DIR1[,PLUGINS_DIR2[,...]]", Array,
    "Plugins directory (defaults to ./_plugins)"
  p.option "layouts_dir", "--layouts DIR", String,
    "Layouts directory (defaults to ./_layouts)"
  p.option "profile", "--profile", "Generate a Liquid rendering profile"

  Bunto::External.require_if_present(Bunto::External.blessed_gems) do |g|
    cmd = g.split("-").last
    p.command(cmd.to_sym) do |c|
      c.syntax cmd
      c.action do
        Bunto.logger.abort_with "You must install the '#{g}' gem" \
          " to use the 'bunto #{cmd}' command."
      end
    end
  end

  Bunto::Command.subclasses.each { |c| c.init_with_program(p) }

  p.action do |args, _|
    if args.empty?
      Bunto.logger.error "A subcommand is required."
      puts p
      abort
    else
      subcommand = args.first
      unless p.has_command? subcommand
        Bunto.logger.abort_with "fatal: 'bunto #{args.first}' could not" \
          " be found. You may need to install the bunto-#{args.first} gem" \
          " or a related gem to be able to use this subcommand."
      end
    end
  end
end