ANDROID_HOME ?= $(HOME)/Library/Android/sdk
ADB          := $(ANDROID_HOME)/platform-tools/adb
EMULATOR     := $(ANDROID_HOME)/emulator/emulator
AVD          ?= DC-1
PACKAGE      := net.metacircular.engpad
ACTIVITY     := $(PACKAGE).MainActivity

.PHONY: build test lint clean run devrun all

# Build everything (compile + test + lint)
all: lint test build

# Compile debug and release APKs
build:
	./gradlew build

# Run unit tests
test:
	./gradlew test

# Run a single test class: make test-one CLASS=net.metacircular.engpad.data.StrokeBlobTest
test-one:
	./gradlew test --tests "$(CLASS)"

# Run Android lint
lint:
	./gradlew lint

# Clean build artifacts
clean:
	./gradlew clean

# Install and launch on the Android emulator.
# Starts the emulator if it isn't already running.
run: build
	@if ! $(ADB) devices | grep -q emulator; then \
		echo "Starting emulator ($(AVD))..."; \
		$(EMULATOR) -avd $(AVD) -no-snapshot-load &>/dev/null & \
		$(ADB) wait-for-device; \
		echo "Emulator ready."; \
	fi
	./gradlew installDebug
	$(ADB) -e shell am start -n $(PACKAGE)/$(ACTIVITY)

# Install and launch on a connected USB device.
devrun: build
	./gradlew installDebug
	$(ADB) -d shell am start -n $(PACKAGE)/$(ACTIVITY)