APP_NAME = ddns-updater
BIN_DIR  = bin
VERSION  = 1.0.0

# Go parameters
GOCMD   = go
GOBUILD = $(GOCMD) build
GOCLEAN = $(GOCMD) clean
GORUN   = $(GOCMD) run

# Docker image (override: make build-dockerimg IMAGE=kccleoc/ddns-updater:latest)
IMAGE ?= kccleoc/ddns-updater:latest

# Build targets
.PHONY: all build build-all clean run init-config install \
        install-linux install-macos service-linux service-macos \
        build-dockerimg push-dockerimg

all: build

# Build binary for current platform
build:
	mkdir -p $(BIN_DIR)
	$(GOBUILD) -o $(BIN_DIR)/$(APP_NAME) -ldflags "-X main.Version=$(VERSION)" main.go
	@echo "Built $(BIN_DIR)/$(APP_NAME)"

# Build for multiple platforms
build-all:
	mkdir -p $(BIN_DIR)
	GOOS=linux  GOARCH=amd64 $(GOBUILD) -o $(BIN_DIR)/$(APP_NAME)-linux-amd64  main.go
	GOOS=linux  GOARCH=arm64 $(GOBUILD) -o $(BIN_DIR)/$(APP_NAME)-linux-arm64  main.go
	GOOS=darwin GOARCH=amd64 $(GOBUILD) -o $(BIN_DIR)/$(APP_NAME)-darwin-amd64 main.go
	GOOS=darwin GOARCH=arm64 $(GOBUILD) -o $(BIN_DIR)/$(APP_NAME)-darwin-arm64 main.go
	@echo "Built all platform binaries in $(BIN_DIR)/"

# Run locally
run:
	$(GORUN) main.go -config config.yaml

# Generate config template
init-config:
	$(GORUN) main.go -init-config > config.yaml
	@echo "Generated config.yaml - edit with your Cloudflare credentials"

# Clean build artifacts
clean:
	$(GOCLEAN)
	rm -rf $(BIN_DIR)

# Install binary system-wide
install: build
	sudo install -m 755 $(BIN_DIR)/$(APP_NAME) /usr/local/bin/$(APP_NAME)
	@echo "Installed to /usr/local/bin/$(APP_NAME)"

# Linux-specific installation
install-linux: install
	sudo mkdir -p /etc/ddns-updater
	@if [ ! -f /etc/ddns-updater/config.yaml ]; then \
		sudo cp config.yaml /etc/ddns-updater/config.yaml; \
		sudo chmod 600 /etc/ddns-updater/config.yaml; \
		echo "Config installed to /etc/ddns-updater/config.yaml"; \
	else \
		echo "Config already exists at /etc/ddns-updater/config.yaml"; \
	fi

# macOS-specific installation
install-macos: install
	sudo mkdir -p /usr/local/etc
	sudo mkdir -p /usr/local/var/log
	@if [ ! -f /usr/local/etc/ddns-updater.yaml ]; then \
		sudo cp config.yaml /usr/local/etc/ddns-updater.yaml; \
		sudo chmod 600 /usr/local/etc/ddns-updater.yaml; \
		echo "Config installed to /usr/local/etc/ddns-updater.yaml"; \
	else \
		echo "Config already exists at /usr/local/etc/ddns-updater.yaml"; \
	fi

# Set up systemd service (Linux)
service-linux:
	@echo "Creating systemd service..."
	@echo "[Unit]\nDescription=DDNS Updater Service\nAfter=network-online.target\nWants=network-online.target\n\n[Service]\nType=simple\nExecStart=/usr/local/bin/$(APP_NAME) -config /etc/ddns-updater/config.yaml\nRestart=always\nRestartSec=10\nUser=root\nWorkingDirectory=/usr/local/bin\n\n[Install]\nWantedBy=multi-user.target" | sudo tee /etc/systemd/system/ddns-updater.service >/dev/null
	@echo "\nSystemd service created. Run these commands:"
	@echo "  sudo systemctl daemon-reload"
	@echo "  sudo systemctl enable ddns-updater"
	@echo "  sudo systemctl start ddns-updater"
	@echo "  sudo systemctl status ddns-updater"

# Set up launchd service (macOS)
service-macos:
	@echo "Creating launchd plist..."
	@mkdir -p ~/Library/LaunchAgents
	@echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n<plist version=\"1.0\">\n<dict>\n  <key>Label</key>\n  <string>com.ddns-updater</string>\n  <key>ProgramArguments</key>\n  <array>\n    <string>/usr/local/bin/$(APP_NAME)</string>\n    <string>-config</string>\n    <string>/usr/local/etc/ddns-updater.yaml</string>\n  </array>\n  <key>RunAtLoad</key>\n  <true/>\n  <key>KeepAlive</key>\n  <true/>\n  <key>StandardOutPath</key>\n  <string>/usr/local/var/log/ddns-updater.log</string>\n  <key>StandardErrorPath</key>\n  <string>/usr/local/var/log/ddns-updater.err</string>\n</dict>\n</plist>" > ~/Library/LaunchAgents/com.ddns-updater.plist
	@echo "\nLaunchd plist created. Run these commands:"
	@echo "  launchctl load ~/Library/LaunchAgents/com.ddns-updater.plist"
	@echo "  launchctl start com.ddns-updater"
	@echo "\nView logs with:"
	@echo "  tail -f /usr/local/var/log/ddns-updater.log"

# Build Docker image (parameterized)
# Usage: make build-dockerimg IMAGE=kccleoc/ddns-updater:latest
build-dockerimg:
	docker build -t $(IMAGE) .

# Push Docker image
# Usage: make push-dockerimg IMAGE=kccleoc/ddns-updater:latest
push-dockerimg:
	docker push $(IMAGE)