module Ambient
  module DSL
    class MainScope
      attr_reader :application

      def initialize(application)
        @application = application
      end

      def use_settings_from(filename)
        application.configure { run_ambientfile(filename) }
      end

      def option(name, value)
        application.configure { set_option(name, value) }
      end

      def base_ios_settings!(project_name, prefix: "", tests: false, ui_tests: false, swift: true, target: nil, test_target: nil, ui_test_target: nil)
        use_defaults_for_everything_not_specified_in_this_file!
        enable_default_warnings!

        target ||= "project_name"
        test_target ||= "#{project_name}Tests"
        ui_test_target ||= "#{project_name}UITests"
        tests = true if test_target
        ui_tests = true if ui_test_target

        option "ALWAYS_SEARCH_USER_PATHS", false
        option "CLANG_CXX_LANGUAGE_STANDARD", "gnu++14"
        option "CLANG_CXX_LIBRARY", "libc++"
        option "CLANG_ENABLE_MODULES", true
        option "CLANG_ENABLE_OBJC_ARC", true

        option "CODE_SIGN_IDENTITY", "iPhone Developer"
        option "COPY_PHASE_STRIP", false

        option "ENABLE_STRICT_OBJC_MSGSEND", true
        option "GCC_C_LANGUAGE_STANDARD", "gnu11"
        option "GCC_NO_COMMON_BLOCKS", true
        option "SDKROOT", "iphoneos"
        option "IPHONEOS_DEPLOYMENT_TARGET", "10.0"
        option "SWIFT_VERSION", "3.0"

        scheme "Debug" do
          option "DEBUG_INFORMATION_FORMAT", "dwarf"
          option "ENABLE_TESTABILITY", true
          option "MTL_ENABLE_DEBUG_INFO", true
          option "ONLY_ACTIVE_ARCH", true
          option "GCC_DYNAMIC_NO_PIC", false
          option "GCC_OPTIMIZATION_LEVEL", "0"
          option "GCC_PREPROCESSOR_DEFINITIONS", ["DEBUG=1", "$(inherited)"]
          option "SWIFT_OPTIMIZATION_LEVEL", "-Onone" if swift
          option "SWIFT_ACTIVE_COMPILATION_CONDITIONS", "DEBUG"
        end

        scheme "Release" do
          option "DEBUG_INFORMATION_FORMAT", "dwarf-with-dsym"
          option "ENABLE_NS_ASSERTIONS", false
          option "MTL_ENABLE_DEBUG_INFO", false
          option "VALIDATE_PRODUCT", true
          option "SWIFT_OPTIMIZATION_LEVEL", "-Owholemodule"
        end

        target project_name do
          option "INFOPLIST_FILE", "#{project_name}/Info.plist"
          option "PRODUCT_BUNDLE_IDENTIFIER", "#{prefix}#{project_name}"
          option "ASSETCATALOG_COMPILER_APPICON_NAME", "AppIcon"
          option "LD_RUNPATH_SEARCH_PATHS", "$(inherited) @executable_path/Frameworks"
          option "PRODUCT_NAME", "$(TARGET_NAME)"
        end

        if tests
          target test_target do
            option "INFOPLIST_FILE", "#{project_name}Tests/Info.plist"
            option "BUNDLE_LOADER", "$(TEST_HOST)"
            option "TEST_HOST", "$(BUILT_PRODUCTS_DIR)/#{project_name}.app/#{project_name}"
            option "PRODUCT_BUNDLE_IDENTIFIER", "#{prefix}#{project_name}Tests"
            option "LD_RUNPATH_SEARCH_PATHS", "$(inherited) @executable_path/Frameworks @loader_path/Frameworks"
            option "PRODUCT_NAME", "$(TARGET_NAME)"
          end
        end

        if ui_tests
          target ui_test_target do
            option "INFOPLIST_FILE", "#{project_name}UITests/Info.plist"
            option "TEST_TARGET_NAME", "#{project_name}"
            option "PRODUCT_BUNDLE_IDENTIFIER", "#{prefix}#{project_name}UITests"
            option "LD_RUNPATH_SEARCH_PATHS", "$(inherited) @executable_path/Frameworks @loader_path/Frameworks"
            option "USES_XCTRUNNER", "YES"
            option "PRODUCT_NAME", "$(TARGET_NAME)"
          end
        end
      end

      def enable_extra_warnings_and_static_analyser!
        warnings = %w(GCC_WARN_INITIALIZER_NOT_FULLY_BRACKETED
          GCC_WARN_MISSING_PARENTHESES
          GCC_WARN_ABOUT_RETURN_TYPE
          GCC_WARN_SIGN_COMPARE
          GCC_WARN_CHECK_SWITCH_STATEMENTS
          GCC_WARN_UNUSED_FUNCTION
          GCC_WARN_UNUSED_LABEL
          GCC_WARN_UNUSED_VALUE
          GCC_WARN_UNUSED_VARIABLE
          GCC_WARN_SHADOW
          GCC_WARN_64_TO_32_BIT_CONVERSION
          GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS
          GCC_WARN_UNDECLARED_SELECTOR
          GCC_WARN_TYPECHECK_CALLS_TO_PRINTF
          GCC_WARN_UNINITIALIZED_AUTOS
          CLANG_WARN_INT_CONVERSION
          CLANG_WARN_ENUM_CONVERSION
          CLANG_WARN_CONSTANT_CONVERSION
          CLANG_WARN_BOOL_CONVERSION
          CLANG_WARN_EMPTY_BODY
          CLANG_WARN_SUSPICIOUS_IMPLICIT_CONVERSION
          CLANG_WARN__DUPLICATE_METHOD_MATCH
          GCC_WARN_64_TO_32_BIT_CONVERSION
          RUN_CLANG_STATIC_ANALYZER
          GCC_TREAT_WARNINGS_AS_ERRORS
          CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING
          CLANG_WARN_COMMA
          CLANG_WARN_DOCUMENTATION_COMMENTS
          CLANG_WARN_INFINITE_RECURSION
          CLANG_WARN_RANGE_LOOP_ANALYSIS
          CLANG_WARN_STRICT_PROTOTYPES
          CLANG_WARN_SUSPICIOUS_MOVE)
        warnings.each { |w| option(w, true) }

        option "CLANG_WARN_UNGUARDED_AVAILABILITY", "YES_AGGRESSIVE"
      end

      def enable_default_warnings!
        truthy = %w(CLANG_WARN_BOOL_CONVERSION
          CLANG_WARN_CONSTANT_CONVERSION
          CLANG_WARN_EMPTY_BODY
          CLANG_WARN_ENUM_CONVERSION
          CLANG_WARN_INT_CONVERSION
          CLANG_WARN_UNREACHABLE_CODE
          CLANG_WARN__DUPLICATE_METHOD_MATCH
          GCC_WARN_64_TO_32_BIT_CONVERSION
          GCC_WARN_UNDECLARED_SELECTOR
          GCC_WARN_UNUSED_FUNCTION
          GCC_WARN_UNUSED_VARIABLE)
        error = %w(CLANG_WARN_DIRECT_OBJC_ISA_USAGE
          CLANG_WARN_OBJC_ROOT_CLASS
          GCC_WARN_ABOUT_RETURN_TYPE)
        aggressive = %w(GCC_WARN_UNINITIALIZED_AUTOS)

        truthy.each { |w| option(w, true) }
        error.each { |w| option(w, "YES_ERROR") }
        aggressive.each { |w| option(w, "YES_AGGRESSIVE") }
      end

      def target(name, &block)
        TargetScope.new(application, name).configure(&block)
      end

      def use_defaults_for_everything_not_specified_in_this_file!
        application.configure { @use_defaults = true }
      end

      def scheme(name, parent: nil, &block)
        SchemeScope.new(application, nil, name, parent).configure(&block)
      end

      def plist(path, &block)
        PlistScope.new(application, path).configure(&block)
      end
    end
  end
end