SHELL = bash

###
# xcodebuild common arguments
###
WORKSPACE := MyProject.xcworkspace
SCHEME := MyScheme
PROJECT := MyProject.xcodeproj
DEBUG_CONFIGURATION := Debug
SIMULATOR := platform=iOS Simulator,OS=9.2,name=iPhone 6

###
# Utility programs
###
XCPRETTY := xcpretty
SLATHER := slather
DOXYGEN := doxygen
JAZZY := jazzy
XCODEBUILD := xcodebuild -workspace "${WORKSPACE}" -scheme "${SCHEME}"

###
# Directories
###
DOCS_DIRECTORY := docs
BUILD_DIRECTORY := build
REPORTS_DIRECTORY := ${BUILD_DIRECTORY}/reports

###
# Custom targets
###
.PHONY: clean build test
.PHONY: analyze report_coverage
.PHONY: documentation delete_documentation
.PHONY: ${XCPRETTY} ${SLATHER} ${DOXYGEN} ${JAZZY}

.DEFAULT_GOAL = build


###
# Building
###
clean: ${XCPRETTY}
	@set -o pipefail && ${XCODEBUILD} -configuration "${DEBUG_CONFIGURATION}" clean | ${XCPRETTY}

build: clean
	@set -o pipefail && ${XCODEBUILD} -configuration "${DEBUG_CONFIGURATION}" -destination "${SIMULATOR}" build | ${XCPRETTY}

test: clean
	@set -o pipefail && ${XCODEBUILD} -configuration "${DEBUG_CONFIGURATION}" -destination "${SIMULATOR}" test | ${XCPRETTY}

${XCPRETTY}:
	@type ${XCPRETTY}

###
# Code Quality
###
analyze: clean
	@set -o pipefail && ${XCODEBUILD} -configuration "${DEBUG_CONFIGURATION}" -sdk iphoneos analyze | ${XCPRETTY}

report_coverage: test
	@slather coverage --simple-output "${PROJECT}"

# When build artifacts must be generated
${REPORTS_DIRECTORY}:
	@mkdir -p ${REPORTS_DIRECTORY}

###
# Documentation
###
# FIXME: Jazzy for Objective-C only seems to play well with frameworks, not apps.
# jazzy --objc --clean --umbrella-header ???.h --framework-root . --sdk iphoneos
documentation: ${DOXYGEN} delete_documentation
	@${DOXYGEN}

${DOXYGEN}:
	@type ${DOXYGEN}

delete_documentation: ${DOCS_DIRECTORY}
	@echo "Cleaning ${DOCS_DIRECTORY} directory" && rm -rf "${DOCS_DIRECTORY}/*"

${DOCS_DIRECTORY}:
	@mkdir -p ${DOCS_DIRECTORY}