# Configuration phase
#
# Backends:
# - autotools
#   pass if no "configure" file
# - cmake
#   pass if no "CMakeLists.txt" file
# Both backends quit if recipe.dirname doesn't exist.

class Package::Backend::Configure

	def self.autotools : Backend::Building
		Backend::Building.new "configure", "autotools" do |context, recipe|
			unless Dir.exists? recipe.dirname
				Baguette::Log.detail "no '#{recipe.dirname}' directory: pass"
				next BuildStatus::Pass
			end

			Do.cd recipe.dirname

			unless File.exists? "configure"
				Baguette::Log.detail "no 'configure' file: pass"
				next BuildStatus::Pass
			end

			options = [
				"--prefix=#{recipe.prefix}",
				recipe.options["configure"]? || ""
			]

			child = Do.sh "./configure #{options.join " "}"
			if child.exit_status == 0
				BuildStatus::Success
			else
				BuildStatus::Failed
			end
		end
	end

	def self.cmake : Backend::Building
		Backend::Building.new "configure", "cmake" do |context, recipe|
			unless Dir.exists? recipe.dirname
				Baguette::Log.detail "no '#{recipe.dirname}' directory: pass"
				next BuildStatus::Pass
			end

			Do.cd recipe.dirname

			unless File.exists? "CMakeLists.txt"
				Baguette::Log.detail "no 'CMakeLists.txt' file: pass"
				next BuildStatus::Pass
			end

			ncores = recipe.options["build-cores"]? || context.build_cores
			options = [
				"-DCMAKE_INSTALL_PREFIX='#{recipe.prefix}'",
				"-DCMAKE_BUILD_TYPE=Release #{recipe.options["cmake"]}",
				"-- -j#{ncores}"
			]

			child = Do.sh "cmake . #{options.join " "}"
			if child.exit_status == 0
				BuildStatus::Success
			else
				BuildStatus::Failed
			end
		end
	end

end