.PHONY: all build lint fmt fmt-check test check clean run debug docker hooks

BINARY := chatd
VERSION := $(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
BUILDARCH := $(shell go env GOARCH)
LDFLAGS := -X main.Version=$(VERSION) -X main.Buildarch=$(BUILDARCH)

all: check build

build:
	go build -ldflags "$(LDFLAGS)" -o bin/$(BINARY) ./cmd/chatd

lint:
	golangci-lint run --config .golangci.yml ./...

fmt:
	gofmt -s -w .
	goimports -w .

fmt-check:
	@test -z "$$(gofmt -l .)" || (echo "Files not formatted:" && gofmt -l . && exit 1)

test:
	go test -timeout 30s -v -race -cover ./...

# check runs all validation without making changes
# Used by CI and Docker build — fails if anything is wrong
check: test lint fmt-check
	@echo "==> Building..."
	go build -ldflags "$(LDFLAGS)" -o /dev/null ./cmd/chatd
	@echo "==> All checks passed!"

run: build
	./bin/$(BINARY)

debug: build
	DEBUG=1 GOTRACEBACK=all ./bin/$(BINARY)

clean:
	rm -rf bin/ chatd data.db

docker:
	docker build -t chat .

hooks:
	@printf '#!/bin/sh\nset -e\n' > .git/hooks/pre-commit
	@printf 'go mod tidy\ngo fmt ./...\ngit diff --exit-code -- go.mod go.sum || { echo "go mod tidy changed files; please stage and retry"; exit 1; }\n' >> .git/hooks/pre-commit
	@printf 'make check\n' >> .git/hooks/pre-commit
	@chmod +x .git/hooks/pre-commit