require "option_parser"
require "digest/sha256"
require "colorize"

require "./config"
require "./builder/cli"
require "./builder/run"
require "./scaffolder/cli"
require "./planner/cli"

module DocMachine
  class Cli
    def initialize
    end

    def start(args)
      config = Config.new
      commands = [] of Proc(Nil)

      parser = OptionParser.new do |opts|
        opts.banner = [
          "Usage: #{PROGRAM_NAME} [options]",
          "",
          "Main options:"
        ].join("\n")

        opts.on("-v", "--verbose", "Enable verbosity") do |verbose|
          config.verbose = true
        end

        opts.on("-h", "--help", "Show this help") do
          puts opts
          exit
        end

        opts.separator ""
        opts.separator "Commands:"

        DocMachine::Builder::Cli.add_options(opts, args, config, commands)
        DocMachine::Scaffolder::Cli.add_options(opts, args, config, commands)
        DocMachine::Planner::Cli.add_options(opts, args, config, commands)
      end

      parser.parse(args)
      puts commands

      if commands.size > 0
        commands.each do |command|
          # puts "== Running #{command}"
          command.call()
        end
      else
        puts parser.to_s
        STDOUT.puts ""
        STDERR.puts "ERROR: no command defined"
      end
    end
  end
end