require 'xcodeproj'

module IOS
	class ProjectManipulator
		attr_reader :configurator, :keep_demo, :module_type, :module_root_path, :module_path, :has_swiftgen, :has_interface, :has_test

		def self.perform(options)
			new(options).perform
		end

		def initialize(options)
			@configurator = options.fetch(:configurator)
			@keep_demo = options.fetch(:keep_demo)
			@module_type = options.fetch(:module_type)
			@has_swiftgen = options.fetch(:has_swiftgen)
			@has_interface = options.fetch(:has_interface)
			@has_test = options.fetch(:has_test)
			@module_root_path = ""
		end

		def run
			createModulePath

			createModuleImplFolder
			createModuleDummies
			createPodspec

			if @has_interface == :yes
				createModuleInterfaceFolder
				createModuleInterfaceDummies
				createPodspecInterface
			end

			if @has_test == :yes 
				createTests
			end

			createSwiftgen if @has_swiftgen == :yes 
			createExampleProject if @keep_demo == :yes
		end

		def project_folder
			$basePath = `git rev-parse --show-toplevel`.chomp
			raise "Para rodar a rotina, você deve estar na raiz do projeto" if $basePath == "."
			return $basePath
		end

		def module_folder
			return "FeatureModules" if @module_type == :feature
			"CoreModules"
		end

		def createModulePath
			@configurator.printMessage("Criando estrutura do módulo")
			@module_root_path = File.join(project_folder, [module_folder, @configurator.pod_name])
			@module_path = File.join(@module_root_path, @configurator.pod_name)

			# Create a new folder with pod name 
			FileUtils.mkdir_p @module_path

			# Create a new folder with pod name interface
			if @has_interface == :yes
				FileUtils.mkdir_p @module_path + "Interface"
			end

			# Create a new folder with pod name test
			if @has_test == :yes
				FileUtils.mkdir_p @module_path + "Tests"
			end

			Dir.chdir @module_root_path
			@configurator.printDone
		end

		def createExampleProject
			@configurator.printMessage("Criando projeto Exemplo")
			projectFileName = File.join(@module_root_path, "Example")
			FileUtils.cp_r(File.join(@configurator.template_path, "/Example/Example"), @module_root_path)

			podDevInjection = "pod '${POD_NAME}', path: '../'"

			if @has_test == :yes 
				podDevInjection = "pod '${POD_NAME}', path: '../', :testspecs => ['Tests']"
			end

			if @has_interface == :yes 
				podDevInjection += "\n	pod '${POD_NAME}Interface', path: '../'"
			end

			text = File.read projectFileName + "/Podfile"
			text.gsub!("${DEV_PODS}", podDevInjection)
			text.gsub!("${POD_NAME}", @configurator.pod_name)
			File.open(projectFileName + "/Podfile", "w") { |file| file.puts text}
			@configurator.printDone
		end

		def createModuleImplFolder
			@configurator.printMessage("Gerando pastas base")
			FileUtils.mkdir_p File.join(@module_path, "Sources")
			if @module_type == :feature 
				FileUtils.mkdir_p File.join(@module_path, "Sources", "Features")
			end

			if @has_swiftgen == :yes
				FileUtils.mkdir_p File.join(@module_path, "Sources", "ModuleConfiguration")
			end

			FileUtils.mkdir_p File.join(@module_path, "Resources")
			@configurator.printDone
		end

		def createModuleInterfaceFolder
			@configurator.printMessage("Gerando pastas de interface")
			FileUtils.mkdir_p File.join(@module_path + "Interface" , "Sources")
			FileUtils.mkdir_p File.join(@module_path + "Interface", "Resources")
			@configurator.printDone
		end

		def createModuleDummies
			@configurator.printMessage("Gerando arquivos de exemplo")
			
			if @module_type == :feature
				FileUtils.touch File.join(@module_path, "Sources", "Features", "Dummy.swift")
			else
				FileUtils.touch File.join(@module_path, "Sources", "DummySource.swift")
			end
			
			# Header.h
			headerFilename = File.join(@module_path, "Resources", @configurator.pod_name + ".h")
			FileUtils.cp(
				File.join(@configurator.template_path, "Feature", "Header_template"),
				headerFilename
			)
			text = File.read(headerFilename)
			text.gsub!("${POD_NAME}", @configurator.pod_name)
			File.open(headerFilename, "w") { |file| file.puts text}

			# Info.plist
			FileUtils.cp(
				File.join(@configurator.template_path, "Feature", "Info_template"),
				File.join(@module_path, "Resources", "Info.plist")
			)

			if @has_swiftgen == :yes
				# Bundle
				bundleFilename = File.join(@module_path, "Sources", "ModuleConfiguration", "Bundle.swift")
				FileUtils.cp(
					File.join(@configurator.template_path, "Feature", "bundle_template"),
					bundleFilename
				)

				text = File.read(bundleFilename)
				text.gsub!("${POD_NAME}", @configurator.pod_name)
				File.open(bundleFilename, "w") { |file| file.puts text}

				# Strings
				FileUtils.touch File.join(@module_path, "Resources", "Localizable.strings")
				File.open(File.join(@module_path, "Resources", "Localizable.strings"), "w") { |file|
					file.puts "\"example.title.text\" = \"EXAMPLE\";"
				}

				# Assets
				FileUtils.mkdir_p(File.join(@module_path, "Resources", "Assets.xcassets"))
			end

			@configurator.printDone
		end

		def createModuleInterfaceDummies 
			@configurator.printMessage("Gerando arquivos de exemplo na Interface")
			FileUtils.touch File.join(@module_path + "Interface", "Sources", "DummyInterface.swift")

			# Info.plist
			FileUtils.cp(
				File.join(@configurator.template_path, "Feature", "Info_template"),
				File.join(@module_path + "Interface", "Resources", "Info.plist")
			)

			# Header.h
			headerFilename = File.join(@module_path + "Interface", "Resources", @configurator.pod_name + ".h")
			FileUtils.cp(
				File.join(@configurator.template_path, "Feature", "Header_template"),
				headerFilename
			)
			text = File.read(headerFilename)
			text.gsub!("${POD_NAME}", @configurator.pod_name)
			File.open(headerFilename, "w") { |file| file.puts text}

			@configurator.printDone
		end

		def createSwiftgen
			@configurator.printMessage("Criando arquivo swiftgen")
			fileName = File.join(@module_root_path, "swiftgen.yml")
			FileUtils.cp(
				File.join(@configurator.template_path, "swiftgen.yml"),
				fileName
			)

			text = File.read(fileName)
			text.gsub!("${POD_NAME}", @configurator.pod_name)

			File.open(fileName, "w") { |file| file.puts text}
			@configurator.printDone
		end

		def createPodspec
			@configurator.printMessage("Configurando arquivo Podspec")
			podspecFilename = "#{module_root_path}/#{@configurator.pod_name}.podspec"
			FileUtils.cp(File.join(@configurator.template_path, "NAME.podspec"), podspecFilename)
			text = File.read podspecFilename
			
			podTests = ""
			if @has_test == :yes 
				podTests = "# TESTS"
				podTests += "\n		s.test_spec 'Tests' do |test_spec|"
				podTests += "\n				test_spec.source_files  = '${POD_NAME}Tests/**/*'"
				podTests += "\n				test_spec.exclude_files = '${POD_NAME}Tests/Resources/*.plist'"
				podTests += "\n		end"
			end

			podInternal = ""
			if @has_interface == :yes
				podInternal = "s.dependency '${POD_NAME}Interface'"
			end

			text.gsub!("${FEATURE_INTERNAL}", podInternal)
			text.gsub!("${FEATURE_TEST}", podTests)
			text.gsub!("${POD_NAME}", @configurator.pod_name)
			text.gsub!("${USER_NAME}", @configurator.user_name)
			text.gsub!("${USER_EMAIL}", @configurator.user_email)
			File.open(podspecFilename, "w") { |file| file.puts text}
			@configurator.printDone
		end

		def createPodspecInterface
			@configurator.printMessage("Configurando arquivo Podspec Interface")
			podspecFilename = "#{module_root_path}/#{@configurator.pod_name}Interface.podspec"
			FileUtils.cp(File.join(@configurator.template_path, "NAMEInterface.podspec"), podspecFilename)
			text = File.read podspecFilename
			text.gsub!("${POD_NAME}", @configurator.pod_name)
			text.gsub!("${USER_NAME}", @configurator.user_name)
			text.gsub!("${USER_EMAIL}", @configurator.user_email)
			File.open(podspecFilename, "w") { |file| file.puts text}
			@configurator.printDone
		end

		def createTests
			@configurator.printMessage("Gerando pastas de testes")
			# Folders
			FileUtils.mkdir_p File.join(@module_path + "Tests" , "Resources")
			FileUtils.mkdir_p File.join(@module_path + "Tests" , "Sources")
			FileUtils.mkdir_p File.join(@module_path + "Tests" , "Tests")

			# Dummies
			FileUtils.touch File.join(@module_path + "Tests", "Sources", "DummyModel.swift")
			FileUtils.touch File.join(@module_path + "Tests", "Tests", "DummyTest.swift")

			# Info.plist
			FileUtils.cp(
				File.join(@configurator.template_path, "Feature", "Info_template"),
				File.join(@module_path + "Tests", "Resources", "Info.plist")
			)
			
			@configurator.printDone
		end

	end
end