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

STDOUT.sync = true

$LOAD_PATH.unshift File.expand_path("../lib", __dir__)

require "bridgetown-core"
require "mercenary"

Bridgetown::PluginManager.require_from_bundler

Bridgetown::Deprecator.process(ARGV)

Mercenary.program(:bridgetown) do |p|
  p.version Bridgetown::VERSION
  p.description "Bridgetown is a Webpack-aware, Ruby-powered static site generator for the modern Jamstack era"
  p.syntax "bridgetown <subcommand> [options]"

  # TODO: it seems wonky to include build options in this top-level
  # exe. Should probably remove most things here and relocated to
  # individual comments. …in fact there are duplicate option listings
  # if you do bridgetown build --help — ouch!
  p.option "source", "-s", "--source [DIR]", "Source directory (defaults to src)"
  p.option "destination", "-d", "--destination [DIR]",
    "Destination directory (defaults to output)"
  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 src/_layouts)"
  p.option "profile", "--profile", "Generate a Liquid rendering profile"

#  TODO: this is not the way to bring in extra command gems! 
#  Bridgetown::External.require_if_present(Bridgetown::External.blessed_gems) do |g, ver_constraint|
#    cmd = g.split("-").last
#    p.command(cmd.to_sym) do |c|
#      c.syntax cmd
#      c.action do
#        Bridgetown.logger.abort_with "You must install the '#{g}' gem" \
#          " version #{ver_constraint} to use the 'bridgetown #{cmd}' command."
#      end
#    end
#  end

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

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