# FastestMirror Makefile
# Because automation is better than repetitive typing

# Variables
BINARY_NAME=fastestmirror
VERSION?=$(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
COMMIT=$(shell git rev-parse --short HEAD 2>/dev/null || echo "unknown")
BUILD_TIME=$(shell date +%Y-%m-%dT%H:%M:%S%z)
LDFLAGS=-ldflags "-X main.version=$(VERSION) -X main.commit=$(COMMIT) -X main.buildTime=$(BUILD_TIME)"

# Build targets
.PHONY: all build clean test fmt lint install uninstall package help

all: test build ## Run tests and build binary

build: ## Build the binary for current platform
	@echo "🔨 Building $(BINARY_NAME) v$(VERSION)..."
	go build $(LDFLAGS) -o $(BINARY_NAME) .
	@echo "Build complete: ./$(BINARY_NAME)"

build-all: ## Build binaries for all platforms
	@echo "🏗️  Building for all platforms..."
	@mkdir -p dist
	GOOS=linux GOARCH=amd64 go build $(LDFLAGS) -o dist/$(BINARY_NAME)-linux-amd64 .
	GOOS=linux GOARCH=arm64 go build $(LDFLAGS) -o dist/$(BINARY_NAME)-linux-arm64 .
	GOOS=linux GOARCH=386 go build $(LDFLAGS) -o dist/$(BINARY_NAME)-linux-386 .
	GOOS=darwin GOARCH=amd64 go build $(LDFLAGS) -o dist/$(BINARY_NAME)-darwin-amd64 .
	GOOS=darwin GOARCH=arm64 go build $(LDFLAGS) -o dist/$(BINARY_NAME)-darwin-arm64 .
	@echo "Multi-platform build complete in ./dist/"

test: ## Run tests
	@echo "🧪 Running tests..."
	go test -v ./...
	@echo "Tests complete"

test-coverage: ## Run tests with coverage
	@echo "🧪 Running tests with coverage..."
	go test -coverprofile=coverage.out ./...
	go tool cover -html=coverage.out -o coverage.html
	@echo "Coverage report generated: coverage.html"

fmt: ## Format code
	@echo "Formatting code..."
	go fmt ./...
	@echo "Code formatted"

lint: ## Run linters
	@echo "Running linters..."
	@if command -v golangci-lint >/dev/null 2>&1; then \
		golangci-lint run; \
	else \
		echo "golangci-lint not installed. Install with: go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest"; \
		go vet ./...; \
	fi
	@echo "Linting complete"

clean: ## Clean build artifacts
	@echo "Cleaning up..."
	rm -f $(BINARY_NAME)
	rm -rf dist/
	rm -f coverage.out coverage.html
	@echo "Clean complete"

install: build ## Install binary to /usr/local/bin
	@echo "Installing $(BINARY_NAME) to /usr/local/bin..."
	sudo cp $(BINARY_NAME) /usr/local/bin/
	@echo "Installation complete"

uninstall: ## Remove binary from /usr/local/bin
	@echo "Uninstalling $(BINARY_NAME)..."
	sudo rm -f /usr/local/bin/$(BINARY_NAME)
	@echo "Uninstallation complete"

package: build-all ## Create distribution packages
	@echo "Creating packages..."
	@mkdir -p dist/packages
	
	# Create tar.gz archives
	@for binary in dist/$(BINARY_NAME)-*; do \
		if [ -f "$$binary" ]; then \
			platform=$$(basename "$$binary" | sed 's/$(BINARY_NAME)-//'); \
			echo "Creating tar.gz for $$platform..."; \
			tar -czf "dist/packages/$(BINARY_NAME)-$(VERSION)-$$platform.tar.gz" -C dist "$$(basename $$binary)"; \
		fi \
	done
	
	@echo "Packages created in dist/packages/"

release: clean test package ## Prepare a release
	@echo "🚀 Release $(VERSION) ready!"
	@echo "📁 Files in dist/packages/:"
	@ls -la dist/packages/

deps: ## Download dependencies
	@echo "📥 Downloading dependencies..."
	go mod download
	go mod tidy
	@echo "Dependencies updated"

dev-deps: ## Install development dependencies
	@echo "🛠️  Installing development dependencies..."
	@if ! command -v golangci-lint >/dev/null 2>&1; then \
		echo "Installing golangci-lint..."; \
		go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest; \
	fi
	@echo "Development dependencies installed"

run: build ## Build and run the application
	@echo "🏃 Running $(BINARY_NAME)..."
	./$(BINARY_NAME)

demo: build ## Run a demo of the find command
	@echo "🎬 Running demo..."
	./$(BINARY_NAME) find --top 3

check: fmt lint test ## Run all checks (format, lint, test)
	@echo "All checks passed!"

help: ## Show this help message
	@echo "FastestMirror Build System"
	@echo "Usage: make [target]"
	@echo ""
	@echo "Targets:"
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2}'

# Default target
.DEFAULT_GOAL := help