#  Phusion Passenger - https://www.phusionpassenger.com/
#  Copyright (c) 2014 Phusion
#
#  "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.
#
#  Permission is hereby granted, free of charge, to any person obtaining a copy
#  of this software and associated documentation files (the "Software"), to deal
#  in the Software without restriction, including without limitation the rights
#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#  copies of the Software, and to permit persons to whom the Software is
#  furnished to do so, subject to the following conditions:
#
#  The above copyright notice and this permission notice shall be included in
#  all copies or substantial portions of the Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#  THE SOFTWARE.

require 'optparse'
PhusionPassenger.require_passenger_lib 'constants'
PhusionPassenger.require_passenger_lib 'config/command'
PhusionPassenger.require_passenger_lib 'config/nginx_engine_compiler'
PhusionPassenger.require_passenger_lib 'utils/ansi_colors'

module PhusionPassenger
module Config

class CompileNginxEngineCommand < Command
	include InstallationUtils

	def run
		@options = { :colorize => :auto, :force_tip => true }
		parse_options
		initialize_objects
		sanity_check
		if !NginxEngineCompiler.new(@options).run
			abort
		end
	end

private
	def self.create_option_parser(options)
		OptionParser.new do |opts|
			nl = "\n" + ' ' * 37
			opts.banner = "Usage: passenger-config compile-nginx-engine [OPTIONS]\n"
			opts.separator ""
			opts.separator "  Compile an Nginx engine, for use in #{PROGRAM_NAME} Standalone."
			opts.separator ""

			opts.separator "Options:"
			opts.on("--working-dir PATH", String, "Store temporary files in the given#{nl}" +
				"directory, instead of creating one") do |val|
				options[:working_dir] = val
			end
			opts.on("--nginx-version VERSION", String, "Nginx version to compile. " +
				"Default: #{PREFERRED_NGINX_VERSION}") do |val|
				options[:nginx_version] = val
			end
			opts.on("--nginx-tarball PATH", String, "Use the given Nginx tarball instead of#{nl}" +
				"downloading it. You MUST also specify the#{nl}" +
				"Nginx version with --nginx-version") do |val|
				options[:nginx_tarball] = val
			end
			opts.on("-f", "--force", "Skip sanity checks") do
				options[:force] = true
			end
			opts.on("--no-force-tip", "Do not print any tips regarding the --force parameter") do
				options[:force_tip] = false
			end
			opts.on("-h", "--help", "Show this help") do
				options[:help] = true
			end
		end
	end

	def help
		puts @parser
	end

	def initialize_objects
		@colors = Utils::AnsiColors.new(@options[:colorize])
		if !@options[:nginx_version]
			if @options[:nginx_tarball]
				abort "#{@colors.red}Error: if you specify --nginx-tarball, " +
					"you must also specify --nginx-version.#{@colors.reset}"
			else
				@options[:nginx_version] = PREFERRED_NGINX_VERSION
			end
		end
	end

	def sanity_check
		return if @options[:force]

		if PhusionPassenger.find_support_binary("nginx-#{@options[:nginx_version]}")
			puts "#{@colors.green}The Nginx engine (version #{@options[:nginx_version]}) " +
				"is already installed.#{@colors.reset}"
			if @options[:force_tip]
				puts "If you want to recompile it, re-run this program with the --force parameter."
			end
			exit
		end
	end
end

end # module Config
end # module PhusionPassenger