# Makefile for hdwalletpy workflow
# - Build reusable Docker image (Python 3.12)
# - Vendor multi-platform wheels for offline air-gapped use
# - Compile wheels in container (wheelhouse)
# - Create host venv and install from wheelhouse or vendor/
# - Optionally run inside a warm container

# ---------- Config ----------
IMAGE := hdwallet-build:3.12
CONTAINER := hdwallet-dev
WORKDIR := /app
VENV_HOST := .venv
VENV_CONTAINER := /opt/venv
WHEELHOUSE := wheelhouse

# Vendor directories for air-gapped deployment
VENDOR_MACOS := vendor/macos-arm64
VENDOR_LINUX := vendor/linux-x86_64

# ---------- Help ----------
.PHONY: help
help:
	@echo "Vendoring (for offline/air-gapped use):"
	@echo "  make vendor-macos         - Build macOS ARM64 wheels (native)"
	@echo "  make vendor-linux         - Build Linux x86_64 wheels (Docker)"
	@echo "  make vendor-all           - Build wheels for both platforms"
	@echo "  make verify-vendor        - Test offline installation from vendor/"
	@echo ""
	@echo "Development workflow:"
	@echo "  make build-image          - Build Docker image (Python 3.12)"
	@echo "  make wheels               - Build wheels into ./$(WHEELHOUSE)"
	@echo "  make install              - Create venv and install dependencies"
	@echo "  make test                 - Run test suite"
	@echo "  make up                   - Start warm dev container"
	@echo "  make shell                - Open shell in warm container"
	@echo "  make down                 - Stop and remove dev container"
	@echo ""
	@echo "Cleanup:"
	@echo "  make clean                - Remove venv, wheelhouse, vendor/"
	@echo "  make clean-vendor         - Remove vendor/ only"

# ---------- Build reusable image ----------
.PHONY: build-image
build-image:
	docker build -t $(IMAGE) .

# ---------- Vendoring for Air-Gapped Use ----------
.PHONY: vendor-macos
vendor-macos: requirements.txt
	@echo "Building macOS ARM64 wheels (native)..."
	@if [ ! -f ".venv312/bin/pip" ]; then \
		echo "ERROR: .venv312 not found. Create it first:"; \
		echo "  python3.12 -m venv .venv312 && source .venv312/bin/activate"; \
		exit 1; \
	fi
	mkdir -p $(VENDOR_MACOS)
	.venv312/bin/pip download --dest $(VENDOR_MACOS) -r requirements.txt
	cd $(VENDOR_MACOS) && shasum -a 256 *.whl > SHA256SUMS
	@echo "✓ macOS ARM64 wheels: $(VENDOR_MACOS)/"

.PHONY: vendor-linux
vendor-linux: requirements.txt build-image
	@echo "Building Linux x86_64 wheels (Docker)..."
	mkdir -p $(VENDOR_LINUX)
	docker run --rm \
		-v "$$PWD":$(WORKDIR) \
		-w $(WORKDIR) \
		$(IMAGE) \
		bash -c " \
			pip install --upgrade pip && \
			pip download --dest $(VENDOR_LINUX) -r requirements.txt && \
			pip wheel --wheel-dir $(VENDOR_LINUX) --no-deps $(VENDOR_LINUX)/*.tar.gz 2>/dev/null || true && \
			rm -f $(VENDOR_LINUX)/*.tar.gz && \
			cd $(VENDOR_LINUX) && sha256sum *.whl > SHA256SUMS \
		"
	@echo "✓ Linux x86_64 wheels: $(VENDOR_LINUX)/"

.PHONY: vendor-all
vendor-all: vendor-macos vendor-linux
	@echo ""
	@echo "✓ All platforms vendored:"
	@echo "  macOS ARM64:  $(VENDOR_MACOS)/  ($$(ls $(VENDOR_MACOS)/*.whl 2>/dev/null | wc -l | xargs) wheels)"
	@echo "  Linux x86_64: $(VENDOR_LINUX)/  ($$(ls $(VENDOR_LINUX)/*.whl 2>/dev/null | wc -l | xargs) wheels)"
	@echo ""
	@echo "Commit with: git add vendor/ && git commit -m 'vendor: update wheels'"

.PHONY: verify-vendor
verify-vendor:
	@echo "Testing offline installation from vendor/..."
	@bash -c ' \
		if [[ "$$OSTYPE" == "darwin"* ]]; then \
			PLATFORM="macos-arm64"; \
		else \
			PLATFORM="linux-x86_64"; \
		fi; \
		echo "Platform: $$PLATFORM"; \
		python3.12 -m venv .venv-verify && \
		source .venv-verify/bin/activate && \
		pip install --no-index --find-links=vendor/$$PLATFORM -r requirements.txt && \
		pytest -v tests/test_vectors.py && \
		python src/pyhdwallet.py test && \
		echo "" && \
		echo "✅ Vendor installation verified!" && \
		deactivate && \
		rm -rf .venv-verify \
	'

# ---------- Development Workflow ----------
.PHONY: wheels
wheels: requirements.txt build-image
	docker run --rm \
		-v "$$PWD":$(WORKDIR) \
		-w $(WORKDIR) \
		$(IMAGE) \
		bash -c " \
			pip install --upgrade pip setuptools wheel && \
			mkdir -p $(WHEELHOUSE) && \
			pip wheel -r requirements.txt -w $(WHEELHOUSE) \
		"

.PHONY: install
install: requirements.txt
	@if [ ! -d "$(VENV_HOST)" ]; then \
		echo "Creating venv: $(VENV_HOST)"; \
		python3.12 -m venv $(VENV_HOST); \
	fi
	. $(VENV_HOST)/bin/activate && \
	pip install --upgrade pip && \
	pip install -r requirements.txt && \
	echo "✓ Virtual environment ready: $(VENV_HOST)"

.PHONY: test
test:
	@if [ ! -d "$(VENV_HOST)" ]; then \
		echo "ERROR: Run 'make install' first"; \
		exit 1; \
	fi
	. $(VENV_HOST)/bin/activate && \
	pytest -v tests/test_vectors.py && \
	python src/pyhdwallet.py test

# ---------- Warm container lifecycle ----------
.PHONY: up
up: build-image
	docker run -dit \
		-v "$$PWD":$(WORKDIR) \
		-w $(WORKDIR) \
		--name $(CONTAINER) \
		$(IMAGE) \
		bash

.PHONY: shell
shell:
	docker exec -it $(CONTAINER) bash

.PHONY: down
down:
	- docker rm -f $(CONTAINER)

# ---------- Cleanup ----------
.PHONY: clean-vendor
clean-vendor:
	rm -rf vendor/

.PHONY: clean
clean: down
	rm -rf $(VENV_HOST) $(WHEELHOUSE) vendor/ .venv-verify .venv-offline-test
	find . -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true
	find . -type d -name "*.egg-info" -exec rm -rf {} + 2>/dev/null || true