require "specparser"

class Package::Package
	getter recipe : Recipe
	getter automatic : Bool  # Was the package created by automatic splitting?

	# Reference for splits. Recipe#packages[0] should keep this set to `nil`.
	property files       : Array(String)?
	property file_patterns : Array(Regex)?

	property fake_root_directory : String?

	def initialize(@recipe, @automatic = false, @fake_root_directory = nil)
	end

	def initialize(@recipe, section : SpecParser::Section)
		@automatic = false

		@name = section.options[0]

		section.content.each do |name, value|
			case name
			when "version"
				@version = value.as_s
			when "release"
				@release = value.as_s.to_i
			when "url"
				@url = value.as_s
			when "description"
				@description = value.as_s_or_ls
			when "dependencies"
				# Remember, no build-dep versus run-dep for packages!
				# Build-deps are recipe-only!
				@dependencies = value.as_a_or_s
			when "conflicts"
				@conflicts = value.as_a_or_s
			when "provides"
				@provides = value.as_a_or_s
			when "files"
				@files = value.as_a_or_s
			when "file-patterns"
				@file_patterns = value.as_a_or_s.map { |x| Regex.new x }
			end
		end
	end

	# Most of the attributes are inherited from recipe.

	macro inherit(attribute)
		@{{attribute.var.id}} : {{attribute.type.id}}?

		def {{attribute.var.id}} : {{attribute.type.id}}
			@{{attribute.var.id}} || @recipe.{{attribute.var.id}}
		end

		def {{attribute.var.id}}=(new_value : {{attribute.type.id}})
			@{{attribute.var.id}} = new_value
		end
	end

	inherit name         : String
	inherit version      : String
	inherit release      : Int32

	inherit url          : String?
	inherit description  : String?

	setter  dependencies : Array(String)?
	inherit conflicts    : Array(String)
	inherit provides     : Array(String)

	inherit prefix       : String

	def dependencies
		@dependencies || @recipe.run_dependencies
	end

	def fake_root_directory
		@fake_root_directory || "#{recipe.working_directory}/root-#{name}"
	end

	def to_s(io : IO)
		io << "<Package: #{name}-#{version}>"
	end
end