SHELL      := /bin/sh
UNAME_S    := $(shell uname -s)
UNAME_M    := $(shell uname -m)

JUCE_ROOT  ?= deps/juce
BUILD_DIR  ?= build
CONFIG     := Release
JOBS       := $(shell sysctl -n hw.ncpu 2>/dev/null || nproc 2>/dev/null || echo 4)

BUNDLE     := SM-26

ifeq ($(UNAME_S),Darwin)
    OSX_ARCH := arm64
    FOLLOW_BRANCH := 1
endif

.PHONY: all deps configure build install uninstall clean distclean

all: build

deps:
	@if [ ! -f "$(JUCE_ROOT)/CMakeLists.txt" ]; then \
		echo ">> Cloning JUCE into $(JUCE_ROOT) ..."; \
		mkdir -p "$(JUCE_ROOT)"; \
		git clone --depth 1 https://github.com/juce-framework/JUCE.git "$(JUCE_ROOT)"; \
	fi
	@echo ">> JUCE present."

configure: deps
	@mkdir -p "$(BUILD_DIR)"
	@if [ "$(UNAME_S)" = "Darwin" ]; then \
		cmake -S . -B "$(BUILD_DIR)" \
			-DCMAKE_BUILD_TYPE="$(CONFIG)" \
			-DCMAKE_OSX_ARCHITECTURES="$(OSX_ARCH)" \
			-DJUCE_ROOT="$(abspath $(JUCE_ROOT))"; \
	else \
		cmake -S . -B "$(BUILD_DIR)" \
			-DCMAKE_BUILD_TYPE="$(CONFIG)" \
			-DJUCE_ROOT="$(abspath $(JUCE_ROOT))"; \
	fi

build: configure
	cmake --build "$(BUILD_DIR)" --config "$(CONFIG)" -j "$(JOBS)"

# After install the plugin gets ad-hoc code-signed (required for AU hosts and
# VST3 sandboxing on macOS) and any quarantine xattr is stripped.
DEST_VST3 ?=
DEST_AU   ?=
ifeq ($(UNAME_S),Darwin)
    DEST_VST3 := "$(HOME)/Library/Audio/Plug-Ins/VST3/$(BUNDLE).vst3"
    DEST_AU   := "$(HOME)/Library/Audio/Plug-Ins/Components/$(BUNDLE).component"
else ifeq ($(UNAME_S),Linux)
    DEST_VST3 := "$(HOME)/.vst3/$(BUNDLE).vst3"
endif

help_install_sources := $(shell find "$(BUILD_DIR)" -type d -name "*.vst3" 2>/dev/null; find "$(BUILD_DIR)" -type d -name "*.component" 2>/dev/null)

install: build
	@if [ "$(UNAME_S)" = "Darwin" ]; then \
		mkdir -p "$(HOME)/Library/Audio/Plug-Ins/VST3" "$(HOME)/Library/Audio/Plug-Ins/Components"; \
		VST3=$$(find "$(BUILD_DIR)" -type d -name "$(BUNDLE).vst3" | head -n1); \
		AU=$$(find "$(BUILD_DIR)" -type d -name "$(BUNDLE).component" | head -n1); \
		if [ -n "$$VST3" ]; then \
			echo ">> Installing VST3"; \
			rm -rf "$(DEST_VST3)"; cp -R "$$VST3" "$(HOME)/Library/Audio/Plug-Ins/VST3/"; \
			codesign --force --deep --sign - "$(DEST_VST3)" && echo ">> Signed VST3 (ad-hoc)"; \
			codesign --verify --deep "$(DEST_VST3)" 2>/dev/null && echo ">> VST3 signature verified"; \
			xattr -dr com.apple.quarantine "$(DEST_VST3)" 2>/dev/null || true; \
			echo ">> Quarantine removed."; \
		fi; \
		if [ -n "$$AU" ]; then \
			echo ">> Installing AU"; \
			rm -rf "$(DEST_AU)"; cp -R "$$AU" "$(HOME)/Library/Audio/Plug-Ins/Components/"; \
			codesign --force --deep --sign - "$(DEST_AU)" && echo ">> Signed AU (ad-hoc)"; \
			codesign --verify --deep "$(DEST_AU)" 2>/dev/null && echo ">> AU signature verified"; \
			xattr -dr com.apple.quarantine "$(DEST_AU)" 2>/dev/null || true; \
			echo ">> Quarantine removed."; \
		fi; \
	elif [ "$(UNAME_S)" = "Linux" ]; then \
		echo ">> Installing VST3"; \
		mkdir -p "$(HOME)/.vst3"; \
		VST3=$$(find "$(BUILD_DIR)" -type d -name "$(BUNDLE).vst3" | head -n1); \
		if [ -n "$$VST3" ]; then rm -rf "$(DEST_VST3)"; cp -R "$$VST3" "$(HOME)/.vst3/"; else echo "!! VST3 not found in build dir"; exit 1; fi; \
	fi
	@echo ">> SM-26 installed."
	@echo ""
	@echo ">> To make newly-installed AUs visible to macOS immediately, run:"
	@echo ">>   sudo killall -HUP coreaudiod"
	@echo ">> (or simply restart your audio host / DAW)"

uninstall:
	@if [ "$(UNAME_S)" = "Darwin" ]; then \
		rm -rf "$(DEST_VST3)" "$(DEST_AU)"; \
		echo ">> Removed $(BUNDLE) AU + VST3"; \
	elif [ "$(UNAME_S)" = "Linux" ]; then \
		rm -rf "$(DEST_VST3)"; \
		echo ">> Removed $(BUNDLE) VST3"; \
	fi

clean:
	rm -rf "$(BUILD_DIR)"/SM-26_artefacts

distclean:
	rm -rf "$(BUILD_DIR)"