# Makefile for Mesk Repository Management

# Configuration
REPO_DIR ?= ./repo
PACKAGES_DIR ?= ./packages
MESK_BIN ?= ./target/release/mesk
BUILD_DIR ?= ./build

# Detect if mesk is available in PATH
ifeq (, $(shell which mesk 2>/dev/null))
	ifneq (, $(wildcard $(MESK_BIN)))
		MESK := $(MESK_BIN)
	else
		MESK := mesk_not_found
	endif
else
	MESK := $(shell which mesk)
endif

.PHONY: all build clean validate info help

# Default target
all: build

# Build the repository
build: check-mesk
	@echo "Building repository in $(REPO_DIR) from packages in $(PACKAGES_DIR)"
	@mkdir -p $(REPO_DIR) $(PACKAGES_DIR)
	@# Find all .mesk files and copy them to repo
	@for pkg in $$(find $(PACKAGES_DIR) -name "*.mesk" 2>/dev/null); do \
		echo "Processing package: $$pkg"; \
		if [ -x "$(MESK)" ]; then \
			if $(MESK) validate "$$pkg" 2>/dev/null; then \
				cp "$$pkg" $(REPO_DIR)/; \
				echo "  - Validated and copied $$pkg"; \
			else \
				echo "  - ERROR: $$pkg failed validation"; \
			fi; \
		else \
			cp "$$pkg" $(REPO_DIR)/; \
			echo "  - Copied $$pkg (validation skipped - mesk not available)"; \
		fi; \
	done
	@echo "Generating repository index..."
	@if [ -x "$(MESK)" ]; then \
		$(MESK) gen-index $(REPO_DIR); \
		echo "Repository index generated successfully"; \
	else \
		echo "ERROR: Mesk binary not found. Cannot generate index."; \
		exit 1; \
	fi
	@echo "Repository built successfully in $(REPO_DIR)"

# Check if mesk is available
check-mesk:
	@if [ "$(MESK)" = "mesk_not_found" ]; then \
		echo "ERROR: mesk binary not found in PATH or $(MESK_BIN)"; \
		echo "Please build mesk first with: cargo build --release"; \
		exit 1; \
	fi
	@echo "Using mesk binary: $(MESK)"

# Validate all packages in the source directory
validate: check-mesk
	@echo "Validating all packages in $(PACKAGES_DIR)"
	@for pkg in $$(find $(PACKAGES_DIR) -name "*.mesk" 2>/dev/null); do \
		echo "Validating: $$pkg"; \
		if $(MESK) validate "$$pkg"; then \
			echo "  OK: $$pkg is valid"; \
		else \
			echo "  ERROR: $$pkg is invalid"; \
		fi; \
	done

# Clean the repository directory
clean:
	@echo "Cleaning repository directory: $(REPO_DIR)"
	@rm -rf $(REPO_DIR)/*
	@mkdir -p $(REPO_DIR)
	@echo "Repository cleaned"

# Clean everything including build artifacts
distclean: clean
	@echo "Removing build artifacts"
	@rm -rf target/

# Build mesk if needed
build-mesk:
	@if [ ! -x "$(MESK_BIN)" ]; then \
		echo "Building mesk..."; \
		cargo build --release; \
	else \
		echo "Mesk already built"; \
	fi

# Initialize a new repository structure
init: build-mesk
	@echo "Initializing mesk repository structure..."
	@mkdir -p $(PACKAGES_DIR) $(REPO_DIR)
	@echo "Created directories: $(PACKAGES_DIR), $(REPO_DIR)"
	@touch $(PACKAGES_DIR)/.gitkeep $(REPO_DIR)/.gitkeep
	@echo "Repository structure initialized"

# Show repository information
info: check-mesk
	@echo "=== Repository Info ==="
	@echo "Repository directory: $(REPO_DIR)"
	@echo "Packages source: $(PACKAGES_DIR)"
	@echo "Mesk binary: $(MESK)"
	@echo ""
	@echo "Package count: $$(find $(PACKAGES_DIR) -name '*.mesk' 2>/dev/null | wc -l)"
	@if [ -f "$(REPO_DIR)/INDEX.toml" ]; then \
		echo "Index exists with packages:"; \
		grep -c "\[\[packages\]\]" $(REPO_DIR)/INDEX.toml 2>/dev/null || echo "0 packages"; \
	else \
		echo "Index does not exist"; \
	fi
	@echo ""

# Install packages to system (DANGEROUS - for testing only)
# install: build
# 	@echo "Installing repository packages (DANGEROUS - for testing only)"
# 	@for pkg in $$(find $(REPO_DIR) -name "*.mesk"); do \
# 		echo "Installing: $$pkg"; \
# 		$(MESK) install "$$pkg" -p; \
# 	done

help:
	@echo "Makefile for Mesk Repository Management"
	@echo ""
	@echo "Available targets:"
	@echo "  all           - Build repository (default)"
	@echo "  build         - Build repository from packages in PACKAGES_DIR"
	@echo "  validate      - Validate all packages in PACKAGES_DIR"
	@echo "  clean         - Clean repository directory"
	@echo "  distclean     - Clean everything including build artifacts"
	@echo "  build-mesk    - Build mesk binary if not present"
	@echo "  init          - Initialize repository structure"
	@echo "  info          - Show repository information"
	@echo "  help          - Show this help"
	@echo ""
	@echo "Variables:"
	@echo "  REPO_DIR     - Repository directory (default: ./repo)"
	@echo "  PACKAGES_DIR - Directory with .mesk files (default: ./packages)"
	@echo "  MESK_BIN     - Path to mesk binary (default: ./target/release/mesk)"
	@echo ""
	@echo "Examples:"
	@echo "  make init                    # Initialize repository structure"
	@echo "  make                         # Build repository with defaults"
	@echo "  make REPO_DIR=/tmp/myrepo    # Build with custom repo directory"
	@echo "  make validate              # Validate all packages"