# Variables
SCHEMA_DIR := ./schema
SCHEMA_ZIP := eia-api-swagger.zip
SCHEMA_YML := eia-api-swagger.yaml
CLIENT_PKG := ./cmd/eia-client
CLIENT_GEN_FILE := ./api/eiaapi.gen.go
MAPPER_GEN_FILE := ./api/eiaapi_funcmap.gen.go
GO_FORMATTER := gofumpt

IS_GNU_SED := $(shell sed --version >/dev/null 2>&1 && echo true || echo false)
SED_INLINE := $(if $(IS_GNU_SED),-i '',-i)

.PHONY: all schema generate build install clean

# Default target
all: schema generate build

# Retrieve and prepare schema
schema:
	curl https://www.eia.gov/opendata/$(SCHEMA_ZIP) -o $(SCHEMA_DIR)/$(SCHEMA_ZIP)
	unzip -o $(SCHEMA_DIR)/$(SCHEMA_ZIP) -d $(SCHEMA_DIR)
	sed -E $(SED_INLINE) 's/responses\/data/schemas\/DataResponseContainer/g' $(SCHEMA_DIR)/$(SCHEMA_YML)
	sed -E $(SED_INLINE) 's/responses\/route/schemas\/RouteResponseContainer/g' $(SCHEMA_DIR)/$(SCHEMA_YML)
	sed -E $(SED_INLINE) 's/responses\/facets/schemas\/FacetOptionListContainer/g' $(SCHEMA_DIR)/$(SCHEMA_YML)
	sed -E $(SED_INLINE) 's/responses\/facet/schemas\/FacetDetailsContainer/g' $(SCHEMA_DIR)/$(SCHEMA_YML)
	sed -E $(SED_INLINE) 's/responses\/final-route/schemas\/FinalRouteResponse/g' $(SCHEMA_DIR)/$(SCHEMA_YML)
	sed -E $(SED_INLINE) 's/[[:space:]]+Frequency:/    Frequency:\n      x-go-name: FrequencyObject/g' $(SCHEMA_DIR)/$(SCHEMA_YML)


# Generate code
generate:
	go generate ./...
ifeq ($(IS_GNU_SED), true)
	# Fix errors in generated code with GNU sed
	sed -E -i 's/Total[[:space:]]+\*int/Total *string/g' $(CLIENT_GEN_FILE)
	sed -E -i 's/Command[[:space:]]+\*\[\]string/Command *string/g' $(CLIENT_GEN_FILE)
else
	# Fix errors in generated code with BSD sed
	sed -E -i '' 's/Total[[:space:]]+\*int/Total *string/g' $(CLIENT_GEN_FILE)
	sed -E -i '' 's/Command[[:space:]]+\*\[\]string/Command *string/g' $(CLIENT_GEN_FILE)
endif
	# Pretty it up
	$(GO_FORMATTER) -w $(CLIENT_GEN_FILE)
	$(GO_FORMATTER) -w $(MAPPER_GEN_FILE)

# Build the client command binary
build: generate
	go build -o bin/eia-client $(CLIENT_PKG)

# Install the client command binary
install:
	go install -v $(CLIENT_PKG)

# Clean up generated files and build artifacts
clean:
	rm -rf bin/eia-client