SHELL := /bin/bash

TAILWIND_VERSION ?= v4.1.14
HTMX_VERSION     ?= 2.0.4

TOOLS_DIR   := tools
TAILWIND    := $(TOOLS_DIR)/tailwindcss
DAISYUI     := $(TOOLS_DIR)/daisyui.mjs
HTMX        := web/static/htmx.min.js
APP_CSS     := web/static/app.css
INPUT_CSS   := web/styles/input.css

UNAME_M := $(shell uname -m)
ifeq ($(UNAME_M),x86_64)
	TW_ARCH := x64
else
	TW_ARCH := arm64
endif
TAILWIND_URL := https://github.com/tailwindlabs/tailwindcss/releases/download/$(TAILWIND_VERSION)/tailwindcss-linux-$(TW_ARCH)
DAISYUI_URL  := https://github.com/saadeghi/daisyui/releases/latest/download/daisyui.mjs
HTMX_URL     := https://unpkg.com/htmx.org@$(HTMX_VERSION)/dist/htmx.min.js

.DEFAULT_GOAL := help

.PHONY: help
help: ## List available targets
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "  \033[36m%-14s\033[0m %s\n", $$1, $$2}'

.PHONY: setup
setup: $(TAILWIND) $(DAISYUI) $(HTMX) deps ## Download tools (Tailwind, DaisyUI, htmx) and resolve deps
	@test -f .env || cp .env.example .env
	@echo "setup complete. edit .env as needed."

$(TAILWIND):
	@mkdir -p $(TOOLS_DIR)
	curl -sL -o $(TAILWIND) $(TAILWIND_URL)
	chmod +x $(TAILWIND)

$(DAISYUI):
	@mkdir -p $(TOOLS_DIR)
	curl -sL -o $(DAISYUI) $(DAISYUI_URL)

$(HTMX):
	@mkdir -p web/static
	curl -sL -o $(HTMX) $(HTMX_URL)

.PHONY: deps
deps: ## Resolve Go dependencies (go mod tidy)
	go mod tidy

.PHONY: css
css: $(TAILWIND) $(DAISYUI) ## Generate web/static/app.css (minified)
	$(TAILWIND) -i $(INPUT_CSS) -o $(APP_CSS) --minify

.PHONY: css-watch
css-watch: $(TAILWIND) $(DAISYUI) ## Rebuild CSS automatically on save
	$(TAILWIND) -i $(INPUT_CSS) -o $(APP_CSS) --watch

.PHONY: assets
assets: css $(HTMX) ## Ensure generated/fetched assets exist (app.css + htmx)

.PHONY: run
run: assets ## Run in dev mode (hot-reload of templates/static via dev build tag)
	go run -tags dev ./cmd/server

.PHONY: run-prod
run-prod: assets ## Run in production mode (embedded assets)
	go run ./cmd/server

.PHONY: build
build: assets ## Build the production binary at bin/server (embedded assets)
	go build -o bin/server ./cmd/server

.PHONY: test
test: ## Run tests
	go test ./...

.PHONY: lint
lint: ## Run go vet
	go vet ./...

.PHONY: clean
clean: ## Remove generated artifacts (bin, app.css)
	rm -rf bin $(APP_CSS)