# 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 $(filter true,$(IS_GNU_SED)),-i,-i '')

.PHONY: all tools schema generate test build install docs clean

# Default target
all: tools schema generate test build docs install

tools:
	go install golang.org/x/tools/cmd/stringer
	go install github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen
	go install mvdan.cc/gofumpt

# 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)
	@echo "Using GNU sed: $(IS_GNU_SED)"
	sed -E $(SED_INLINE) 's/responses\/data/schemas\/DataResponseContainer/g' $(SCHEMA_DIR)/$(SCHEMA_YML)
	sed -E $(SED_INLINE) 's/responses\/route/schemas\/RouteResponse/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 ./...
	@echo "Using GNU sed: $(IS_GNU_SED)"
	sed -E $(SED_INLINE) 's/Total[[:space:]]+\*int/Total *string/g' $(CLIENT_GEN_FILE)
	sed -E $(SED_INLINE) 's/Command[[:space:]]+\*\[\]string/Command *string/g' $(CLIENT_GEN_FILE)
	sed -E $(SED_INLINE) 's/Routes[[:space:]]+\*\[\]string/Routes *[]Routes/g' $(CLIENT_GEN_FILE)
	# Pretty it up
	$(GO_FORMATTER) -w $(CLIENT_GEN_FILE)
	$(GO_FORMATTER) -w $(MAPPER_GEN_FILE)

test:
	# Test EIA API client package
	go test -v ./pkg/eia

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

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

docs:
	bin/eia-client docs md

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