#!/usr/bin/ruby

# xolti.rb
# Copyright (C) Rémi Even 2016
#
# This file is part of Xolti.
#
# Xolti is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Xolti is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Xolti. If not, see <http://www.gnu.org/licenses/>.

require "thor"
require "pathname"
require "yaml"

require_relative "core"
require_relative "config"
require_relative "file_finder"

Signal.trap("INT") do
	puts "\nCancelling..."
	exit 1
end

class XoltiCLI < Thor

	desc "add [FILE|FOLDER]", "Add a header to FILE or to all files in FOLDER"
	def add(file)
		if File.file?(file)
			puts "Adding header to #{file}"
			config = XoltiConfig.load_config
			Core.licensify(file, config) if !Core.has_header(file, config)
		else
			config = XoltiConfig.load_config
			FileFinder.explore_folder(file)
				.reject{|source_file| Core.has_header(source_file, config)}
				.each do |source_file|
					puts "Adding header to #{source_file}"
					Core.licensify(source_file, config)
				end
		end
	end

	desc "check FILE", "Check the header of FILE"
	def check(file)
		config = XoltiConfig.load_config
		puts Core.has_header(file, config) ? "\"#{file}\" : OK" : "\"#{file}\": not OK"
	end

	desc "list-missing", "Print a list of files missing (proper) header"
	def list_missing()
		dir = Dir.pwd
		config = XoltiConfig.load_config
		missing_headers = FileFinder.explore_folder(dir)
			.reject{|file| Core.has_header(file, config)}
		return puts "All files OK" if missing_headers.empty?
		puts "Files missing (proper) header:"
		missing_headers.each{|file| puts file[dir.length + 1..-1]}
	end

	desc "delete FILE", "Delete the header in FILE"
	def delete(file)
		puts "Deleting header in #{file}"
		config = XoltiConfig.load_config
		Core.delete_header(file, config)
	end

	no_commands {
		def ask_for_name(config)
			default_name = Pathname.getwd.basename.to_s
			print "name (#{default_name}): "
			typed_name = STDIN.gets.chomp
			config["project_info"]["project_name"] = (typed_name == "") ? default_name : typed_name
		end

		def ask_for_author(config)
			print "author: "
			typed_author = STDIN.gets.chomp
			config["project_info"]["author"] = typed_author
		end
	}

	desc "init", "Create xolti.yml"
	def init()
		return puts "Xolti is already initialiazed" if XoltiConfig.find_config_file != nil
		puts "Initiating xolti project"
		config = {"project_info" => {}}
		self.ask_for_name(config)
		self.ask_for_author(config)
		File.write("xolti.yml", config.to_yaml)
	end
end