chore: update Makefile to use printf and dynamic workers

Author: S1M0N38

Makefile

@@ -1,73 +1,84 @@
 .DEFAULT_GOAL := help
 .PHONY: help install lint format typecheck quality fixtures test all
 
-# Colors for output
+# Colors (ANSI)
 YELLOW := \033[33m
-GREEN := \033[32m
-BLUE := \033[34m
-RED := \033[31m
-RESET := \033[0m
+GREEN  := \033[32m
+BLUE   := \033[34m
+RED    := \033[31m
+RESET  := \033[0m
+
+# Print helper
+PRINT = printf "%b\n"
+
+# Max pytest-xdist workers
+MAX_XDIST ?= 6
+
+# Compute worker count using Python (cross-platform)
+XDIST_WORKERS := $(shell MAX_XDIST=$(MAX_XDIST) python -c "import multiprocessing as mp, os; print(min(mp.cpu_count(), int(os.environ.get('MAX_XDIST', 6))))")
 
 help: ## Show this help message
-	@echo "$(BLUE)BalatroBot Development Makefile$(RESET)"
-	@echo ""
-	@echo "$(YELLOW)Available targets:$(RESET)"
-	@printf "  $(GREEN)%-18s$(RESET) %s\n" "help" "Show this help message"
-	@printf "  $(GREEN)%-18s$(RESET) %s\n" "install" "Install balatrobot and all dependencies (including dev)"
-	@printf "  $(GREEN)%-18s$(RESET) %s\n" "lint" "Run ruff linter (check only)"
-	@printf "  $(GREEN)%-18s$(RESET) %s\n" "format" "Run ruff and mdformat formatters"
+	@$(PRINT) "$(BLUE)BalatroBot Development Makefile$(RESET)"
+	@$(PRINT) ""
+	@$(PRINT) "$(YELLOW)Available targets:$(RESET)"
+	@printf "  $(GREEN)%-18s$(RESET) %s\n" "help"      "Show this help message"
+	@printf "  $(GREEN)%-18s$(RESET) %s\n" "install"   "Install balatrobot and all dependencies (including dev)"
+	@printf "  $(GREEN)%-18s$(RESET) %s\n" "lint"      "Run ruff linter (check only)"
+	@printf "  $(GREEN)%-18s$(RESET) %s\n" "format"    "Run ruff and mdformat formatters"
 	@printf "  $(GREEN)%-18s$(RESET) %s\n" "typecheck" "Run type checker"
-	@printf "  $(GREEN)%-18s$(RESET) %s\n" "quality" "Run all code quality checks"
-	@printf "  $(GREEN)%-18s$(RESET) %s\n" "fixtures" "Generate fixtures"
-	@printf "  $(GREEN)%-18s$(RESET) %s\n" "test" "Run all tests"
-	@printf "  $(GREEN)%-18s$(RESET) %s\n" "all" "Run all code quality checks and tests"
+	@printf "  $(GREEN)%-18s$(RESET) %s\n" "quality"   "Run all code quality checks"
+	@printf "  $(GREEN)%-18s$(RESET) %s\n" "fixtures"  "Generate fixtures"
+	@printf "  $(GREEN)%-18s$(RESET) %s\n" "test"      "Run all tests"
+	@printf "  $(GREEN)%-18s$(RESET) %s\n" "all"       "Run all code quality checks and tests"
 
 install: ## Install balatrobot and all dependencies (including dev)
-	@echo "$(YELLOW)Installing all dependencies...$(RESET)"
+	@$(PRINT) "$(YELLOW)Installing all dependencies...$(RESET)"
 	uv sync --group dev --group test
 
 lint: ## Run ruff linter (check only)
-	@echo "$(YELLOW)Running ruff linter...$(RESET)"
+	@$(PRINT) "$(YELLOW)Running ruff linter...$(RESET)"
 	ruff check --fix --select I .
 	ruff check --fix .
 
 format: ## Run ruff and mdformat formatters
-	@echo "$(YELLOW)Running ruff formatter...$(RESET)"
+	@$(PRINT) "$(YELLOW)Running ruff formatter...$(RESET)"
 	ruff check --select I --fix .
 	ruff format .
-	@echo "$(YELLOW)Running mdformat formatter...$(RESET)"
+	@$(PRINT) "$(YELLOW)Running mdformat formatter...$(RESET)"
 	mdformat ./docs README.md CLAUDE.md
 	@if command -v stylua >/dev/null 2>&1; then \
-		echo "$(YELLOW)Running stylua formatter...$(RESET)"; \
+		$(PRINT) "$(YELLOW)Running stylua formatter...$(RESET)"; \
 		stylua src/lua; \
 	else \
-		echo "$(BLUE)Skipping stylua formatter (stylua not found)$(RESET)"; \
+		$(PRINT) "$(BLUE)Skipping stylua formatter (stylua not found)$(RESET)"; \
 	fi
 
 typecheck: ## Run type checker
-	@echo "$(YELLOW)Running Python type checker...$(RESET)"
+	@$(PRINT) "$(YELLOW)Running Python type checker...$(RESET)"
 	@ty check
 	@if command -v lua-language-server >/dev/null 2>&1 && [ -f .luarc.json ]; then \
-		echo "$(YELLOW)Running Lua type checker...$(RESET)"; \
-		lua-language-server --check balatrobot.lua src/lua --configpath="$(CURDIR)/.luarc.json" 2>/dev/null; \
+		$(PRINT) "$(YELLOW)Running Lua type checker...$(RESET)"; \
+		lua-language-server --check balatrobot.lua src/lua \
+			--configpath="$(CURDIR)/.luarc.json" 2>/dev/null; \
 	else \
-		echo "$(BLUE)Skipping Lua type checker (lua-language-server not found or .luarc.json missing)$(RESET)"; \
+		$(PRINT) "$(BLUE)Skipping Lua type checker (lua-language-server not found or .luarc.json missing)$(RESET)"; \
 	fi
 
 quality: lint typecheck format ## Run all code quality checks
-	@echo "$(GREEN)✓ All checks completed$(RESET)"
+	@$(PRINT) "$(GREEN)✓ All checks completed$(RESET)"
 
 fixtures: ## Generate fixtures
-	@echo "$(YELLOW)Starting Balatro...$(RESET)"
+	@$(PRINT) "$(YELLOW)Starting Balatro...$(RESET)"
 	balatrobot --fast --debug
-	@echo "$(YELLOW)Generating all fixtures...$(RESET)"
+	@$(PRINT) "$(YELLOW)Generating all fixtures...$(RESET)"
 	python tests/fixtures/generate.py
 
 test: ## Run all tests
-	@echo "$(YELLOW)Running tests/cli...$(RESET)"
+	@$(PRINT) "$(YELLOW)Running tests/cli...$(RESET)"
 	pytest tests/cli
-	@echo "$(YELLOW)Running tests/lua...$(RESET)"
-	pytest -n 6 tests/lua
+	@$(PRINT) "$(YELLOW)Running tests/lua with $(XDIST_WORKERS) workers...$(RESET)"
+	pytest -n $(XDIST_WORKERS) tests/lua
+
 
 all: lint format typecheck test ## Run all code quality checks and tests
-	@echo "$(GREEN)✓ All checks completed$(RESET)"
+	@$(PRINT) "$(GREEN)✓ All checks completed$(RESET)"