# Minimal build rules for the Zig CLI (no build.zig)

ZIG       ?= zig
BUILD_DIR ?= zig-out/bin
BINARY    := $(BUILD_DIR)/ml

.PHONY: all prod dev test build-rsync install clean help

RSYNC_VERSION ?= 3.3.0
RSYNC_SRC_BASE ?= https://download.samba.org/pub/rsync/src
RSYNC_TARBALL ?= rsync-$(RSYNC_VERSION).tar.gz
RSYNC_TARBALL_SHA256 ?=

all: $(BINARY)

$(BUILD_DIR):
	mkdir -p $(BUILD_DIR)

$(BINARY): | $(BUILD_DIR)
	$(ZIG) build --release=small

prod: src/main.zig | $(BUILD_DIR)
	$(ZIG) build --release=small

dev: src/main.zig | $(BUILD_DIR)
	$(ZIG) build --release=fast

test:
	$(ZIG) build test

build-rsync:
	@RSYNC_VERSION="$(RSYNC_VERSION)" \
	RSYNC_SRC_BASE="$(RSYNC_SRC_BASE)" \
	RSYNC_TARBALL="$(RSYNC_TARBALL)" \
	RSYNC_TARBALL_SHA256="$(RSYNC_TARBALL_SHA256)" \
	bash "$(CURDIR)/scripts/build_rsync.sh"

install: $(BINARY)
	install -d $(DESTDIR)/usr/local/bin
	install -m 0755 $(BINARY) $(DESTDIR)/usr/local/bin/ml

clean:
	rm -rf $(BUILD_DIR) zig-out .zig-cache

help:
	@echo "Targets:"
	@echo "  all     - build release-small binary (default)"
	@echo "  prod    - build production binary with ReleaseSmall"
	@echo "  dev     - build development binary with ReleaseFast"
	@echo "  test    - run Zig unit tests"
	@echo "  build-rsync - build pinned rsync from official source into src/assets (RSYNC_VERSION=... override)"
	@echo "  install - copy binary into /usr/local/bin"
	@echo "  clean   - remove build artifacts"