# ====================================================================================
# Setup Project

PROJECT_NAME := provider-jet-template
PROJECT_REPO := github.com/crossplane-contrib/$(PROJECT_NAME)

export TERRAFORM_VERSION := 1.0.11
export TERRAFORM_PROVIDER_SOURCE := hashicorp/hashicups
export TERRAFORM_PROVIDER_VERSION := 0.3.2
export TERRAFORM_PROVIDER_DOWNLOAD_NAME := terraform-provider-hashicups
export TERRAFORM_PROVIDER_DOWNLOAD_URL_PREFIX := https://github.com/hashicorp/terraform-provider-hashicups/releases/download/v0.3.2

PLATFORMS ?= linux_amd64 linux_arm64

# -include will silently skip missing files, which allows us
# to load those files with a target in the Makefile. If only
# "include" was used, the make command would fail and refuse
# to run a target until the include commands succeeded.
-include build/makelib/common.mk

# ====================================================================================
# Setup Output

-include build/makelib/output.mk

# ====================================================================================
# Setup Go

# Set a sane default so that the nprocs calculation below is less noisy on the initial
# loading of this file
NPROCS ?= 1

# each of our test suites starts a kube-apiserver and running many test suites in
# parallel can lead to high CPU utilization. by default we reduce the parallelism
# to half the number of CPU cores.
GO_TEST_PARALLEL := $(shell echo $$(( $(NPROCS) / 2 )))

GO_STATIC_PACKAGES = $(GO_PROJECT)/cmd/provider
GO_LDFLAGS += -X $(GO_PROJECT)/internal/version.Version=$(VERSION)
GO_SUBDIRS += cmd internal apis
GO111MODULE = on
-include build/makelib/golang.mk

# ====================================================================================
# Setup Kubernetes tools

-include build/makelib/k8s_tools.mk

# ====================================================================================
# Setup Images

DOCKER_REGISTRY ?= crossplane
IMAGES = provider-jet-template provider-jet-template-controller
-include build/makelib/image.mk

# ====================================================================================
# Setup Terraform for fetching provider schema
TERRAFORM := $(TOOLS_HOST_DIR)/terraform-$(TERRAFORM_VERSION)
TERRAFORM_WORKDIR := $(WORK_DIR)/terraform
TERRAFORM_PROVIDER_SCHEMA := config/schema.json

$(TERRAFORM):
	@$(INFO) installing terraform $(HOSTOS)-$(HOSTARCH)
	@mkdir -p $(TOOLS_HOST_DIR)/tmp-terraform
	@curl -fsSL https://releases.hashicorp.com/terraform/1.1.4/terraform_1.1.4_$(SAFEHOST_PLATFORM).zip -o $(TOOLS_HOST_DIR)/tmp-terraform/terraform.zip
	@unzip $(TOOLS_HOST_DIR)/tmp-terraform/terraform.zip -d $(TOOLS_HOST_DIR)/tmp-terraform
	@mv $(TOOLS_HOST_DIR)/tmp-terraform/terraform $(TERRAFORM)
	@rm -fr $(TOOLS_HOST_DIR)/tmp-terraform
	@$(OK) installing terraform $(HOSTOS)-$(HOSTARCH)

$(TERRAFORM_PROVIDER_SCHEMA): $(TERRAFORM)
	@$(INFO) generating provider schema for $(TERRAFORM_PROVIDER_SOURCE) $(TERRAFORM_PROVIDER_VERSION)
	@mkdir -p $(TERRAFORM_WORKDIR)
	@echo '{"terraform":[{"required_providers":[{"provider":{"source":"'"$(TERRAFORM_PROVIDER_SOURCE)"'","version":"'"$(TERRAFORM_PROVIDER_VERSION)"'"}}],"required_version":"'"$(TERRAFORM_VERSION)"'"}]}' > $(TERRAFORM_WORKDIR)/main.tf.json
	@$(TERRAFORM) -chdir=$(TERRAFORM_WORKDIR) init > $(TERRAFORM_WORKDIR)/terraform-logs.txt 2>&1
	@$(TERRAFORM) -chdir=$(TERRAFORM_WORKDIR) providers schema -json=true > $(TERRAFORM_PROVIDER_SCHEMA) 2>> $(TERRAFORM_WORKDIR)/terraform-logs.txt
	@$(OK) generating provider schema for $(TERRAFORM_PROVIDER_SOURCE) $(TERRAFORM_PROVIDER_VERSION)

generate.init: $(TERRAFORM_PROVIDER_SCHEMA)

# ====================================================================================
# Targets

# run `make help` to see the targets and options

# We want submodules to be set up the first time `make` is run.
# We manage the build/ folder and its Makefiles as a submodule.
# The first time `make` is run, the includes of build/*.mk files will
# all fail, and this target will be run. The next time, the default as defined
# by the includes will be run instead.
fallthrough: submodules
	@echo Initial setup complete. Running make again . . .
	@make

# NOTE: the build submodule currently overrides XDG_CACHE_HOME in order to
# force the Helm 3 to use the .work/helm directory. This causes Go on Linux
# machines to use that directory as the build cache as well. We should adjust
# this behavior in the build submodule because it is also causing Linux users
# to duplicate their build cache, but for now we just make it easier to identify
# its location in CI so that we cache between builds.
go.cachedir:
	@go env GOCACHE

# Generate a coverage report for cobertura applying exclusions on
# - generated file
cobertura:
	@cat $(GO_TEST_OUTPUT)/coverage.txt | \
		grep -v zz_ | \
		$(GOCOVER_COBERTURA) > $(GO_TEST_OUTPUT)/cobertura-coverage.xml

crds.clean:
	@$(INFO) cleaning generated CRDs
	@find package/crds -name '*.yaml' -exec sed -i.sed -e '1,2d' {} \; || $(FAIL)
	@find package/crds -name '*.yaml.sed' -delete || $(FAIL)
	@$(OK) cleaned generated CRDs

generate.done: crds.clean

# Update the submodules, such as the common build scripts.
submodules:
	@git submodule sync
	@git submodule update --init --recursive

# This is for running out-of-cluster locally, and is for convenience. Running
# this make target will print out the command which was used. For more control,
# try running the binary directly with different arguments.
run: go.build
	@$(INFO) Running Crossplane locally out-of-cluster . . .
	@# To see other arguments that can be provided, run the command with --help instead
	$(GO_OUT_DIR)/provider --debug

.PHONY: cobertura submodules fallthrough run crds.clean

# ====================================================================================
# Special Targets

define CROSSPLANE_MAKE_HELP
Crossplane Targets:
    cobertura             Generate a coverage report for cobertura applying exclusions on generated files.
    submodules            Update the submodules, such as the common build scripts.
    run                   Run crossplane locally, out-of-cluster. Useful for development.

endef
# The reason CROSSPLANE_MAKE_HELP is used instead of CROSSPLANE_HELP is because the crossplane
# binary will try to use CROSSPLANE_HELP if it is set, and this is for something different.
export CROSSPLANE_MAKE_HELP

crossplane.help:
	@echo "$$CROSSPLANE_MAKE_HELP"

help-special: crossplane.help

.PHONY: crossplane.help help-special