.DEFAULT_GOAL=help
.PHONY: clear linux win darwin release image image-push up down help

BINARY_NAME := iptvc
IMAGE_TAG ?= latest
GOARCH ?= $(shell go env GOARCH)
GOOS ?= $(shell go env GOOS)

VERSION := $(shell git describe --tags --always --dirty 2>/dev/null | sed 's/^v//' || echo "dev")
COMMIT := $(shell git rev-parse --short HEAD 2>/dev/null || echo "unknown")
LDFLAGS := -s -w -X axenov/iptv-checker/app.VERSION=$(VERSION) -X axenov/iptv-checker/app.COMMIT=$(COMMIT)

# Internal build target
internal-build:
	@rm -rf $(dir $(OUTPUT))
	@mkdir -p $(dir $(OUTPUT))
	@CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(GOARCH) go build -trimpath -ldflags="$(LDFLAGS)" -o $(OUTPUT) .
	@zip -j $(dir $(OUTPUT))../$(notdir $(patsubst %/,%,$(dir $(OUTPUT)))).zip $(OUTPUT) >/dev/null
	@echo "Compiled: $(OUTPUT) ($(GOOS)/$(GOARCH))"

## clear = Remove all compiled binaries
clear:
	@go clean
	@rm -rf bin/

## build = Build binary for current platform
build:
	@mkdir -p bin
	@CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(GOARCH) go build -trimpath -ldflags="$(LDFLAGS)" -o bin/$(BINARY_NAME) .
	@echo "Compiled: bin/$(BINARY_NAME) ($(GOOS)/$(GOARCH))"

## linux = Build new binaries for linux
linux:
	@$(MAKE) internal-build GOOS=linux GOARCH=$(GOARCH) OUTPUT=bin/linux_$(GOARCH)/$(BINARY_NAME)

## win = Build new binaries for windows
win:
	@$(MAKE) internal-build GOOS=windows GOARCH=$(GOARCH) OUTPUT=bin/windows_$(GOARCH)/$(BINARY_NAME).exe

## darwin = Build new binaries for darwin
darwin:
	@$(MAKE) internal-build GOOS=darwin GOARCH=$(GOARCH) OUTPUT=bin/darwin_$(GOARCH)/$(BINARY_NAME)

## release = Build all binaries and zip them
release: clear
	@$(MAKE) -j2 linux GOARCH=amd64
	@$(MAKE) -j2 linux GOARCH=arm64
	@$(MAKE) -j2 win GOARCH=amd64
	@$(MAKE) -j2 win GOARCH=arm64
	@$(MAKE) -j2 darwin GOARCH=amd64
	@$(MAKE) -j2 darwin GOARCH=arm64

## image = Build and push the Docker image
image:
	@GOOS=$(GOOS) GOARCH=$(GOARCH) ./build-docker-image.sh $(IMAGE_TAG)

## help = Show this message and exit
help: Makefile
	@echo "Available recipes:"
	@sed -n 's/^##/    /p' $< | column -t -s '='