.DEFAULT_GOAL    = help

WORKLOAD_PROJECT = Iceshrimp.Frontend
BUILD_PROJECT    = Iceshrimp.Backend
CONFIGURATION    = Release

DOTNET_CMD       = dotnet
VERBOSE          = false

AOT              = false
VIPS             = false
BUNDLE_NATIVE    = false

RELEASE_TARGETS  = linux-glibc-amd64 linux-glibc-arm64 linux-musl-amd64 linux-musl-arm64

ifeq (${VERBOSE},false)
	TL_ARG       = --tl
endif

WORKLOAD_CMD     = ${DOTNET_CMD} workload restore ${WORKLOAD_PROJECT}/${WORKLOAD_PROJECT}.csproj > /dev/null
PUBLISH_CMD      = ${DOTNET_CMD} publish ${BUILD_PROJECT} -c ${CONFIGURATION} ${TL_ARG} -noLogo
BUILD_CMD        = ${DOTNET_CMD} build ${TL_ARG} -noLogo
TEST_CMD         = ${DOTNET_CMD} test --no-build --nologo

BUILD_FLAGS      = -p:EnableLibVips=${VIPS} -p:BundleNativeDeps=${BUNDLE_NATIVE}
PUBLISH_FLAGS    = ${PUBLISH_RIDARG} -o publish/${TARGETRID} -p:EnableAOT=${AOT} ${BUILD_FLAGS} -p:DeterministicSourcePaths=true -p:ContinuousIntegrationBuild=true
RELEASE_FLAGS    = -r ${TARGETRID} -o release/${TARGETPLATFORM} ${PUBLISH_FLAGS}

TARGETRID        = $(TARGETPLATFORM:linux-glibc-%=linux-%)
PUBLISH_RIDARG   = $(if $(TARGETRID),-r $(TARGETRID),)
ARCHIVE_TGTNAME  = $(patsubst linux-glibc-%,linux-%-glibc,$(patsubst linux-musl-%,linux-%-musl,$(TARGETPLATFORM)))
ARCHIVE_BASENAME = iceshrimp.net
ARCHIVE_VERSION  = unknown
ARCHIVE_DIRNAME  = ${ARCHIVE_BASENAME}-${ARCHIVE_VERSION}-${ARCHIVE_TGTNAME}
ARCHIVE_FILENAME = ${ARCHIVE_DIRNAME}.tar.zst
ARTIFACT_DIR     = artifacts
ARTIFACT_CMD     = tar caf ${ARTIFACT_DIR}/${ARCHIVE_FILENAME} --transform 's,^release/${TARGETPLATFORM},${ARCHIVE_DIRNAME},' release/${TARGETPLATFORM}

.PHONY           : --release-pre --release-post --workload-restore --release-% artifact-% publish build test publish-aot release-artifacts help

--release-pre:
	@echo 'Building release artifacts for targets: ${RELEASE_TARGETS}'
	@echo 'This will take a while.'
	@echo
	@rm -rf release artifacts

--release-post:
	@echo 'Finished building release artifacts.'

--workload-restore:
	@echo Restoring wasm-tools workload...
	@${WORKLOAD_CMD}

--release-%: TARGETPLATFORM=$*
--release-%:
	@echo 'Building for release with flags: ${RELEASE_FLAGS}'
	@${PUBLISH_CMD} ${PUBLISH_FLAGS} -r ${TARGETRID} -o release/${TARGETPLATFORM}

--artifact-%: TARGETPLATFORM=$*
--artifact-%:
	@echo -n 'Generating artifact ${ARCHIVE_FILENAME}...'
	@mkdir -p ${ARTIFACT_DIR}
	@${ARTIFACT_CMD}
	@echo " Done!"
	@echo

publish:
	@echo 'Building for publish with flags: ${strip ${PUBLISH_FLAGS}}'
	@${PUBLISH_CMD} ${PUBLISH_FLAGS}

build:
	@echo 'Building with flags: ${BUILD_FLAGS}'
	@${BUILD_CMD} ${BUILD_FLAGS}

test: build
	@echo
	@${TEST_CMD}

clean:
	@git clean -xfd -e '*.DotSettings.user' -e '/.idea/**' -e 'configuration*.ini' -e '.gitignore' -e '/.vs/**'

cleanall:
	@git clean -xfd

publish-aot: AOT=true
publish-aot: --workload-restore publish

release-artifacts: AOT=true
release-artifacts: VIPS=true
release-artifacts: BUNDLE_NATIVE=true
release-artifacts: --release-pre $(foreach tgt,$(RELEASE_TARGETS),--release-$(tgt) --artifact-$(tgt)) --release-post

help:
	@echo '-- Makefile --'
	@echo 'Targets:'
	@echo '  test               - runs all available unit tests'
	@echo '  build              - compiles the application (framework- & architecture-dependent)'
	@echo '  clean              - removes all build-related files from the working tree'
	@echo '  cleanall           - removes all untracked files from the working tree'
	@echo '  publish            - compiles the application (self-contained)'
	@echo '  publish-aot        - equivalent to `make AOT=true publish`'
	@echo '  release-artifacts  - generates release artifacts for all supported architectures'
	@echo
	@echo 'Common build arguments:'
	@echo '  AOT=<boolean>'
	@echo '    Enables AOT compilation for the WASM frontend, trading increased compile time'
	@echo '    for increased frontend performance. This option is only effective during publish.'
	@echo '  VIPS=<boolean>'
	@echo '    Enables LibVips support, either requires the system to have libvips installed,'
	@echo '    or BUNDLE_NATIVE to be set.'
	@echo '  BUNDLE_NATIVE=<boolean>'
	@echo '    Bundles native dependencies in the output directory'
	@echo '  TARGETRID=<rid>'
	@echo '    Sets the target runtime identifier. This option is only effective during publish.'
	@echo 'Miscellaneous build arguments:'
	@echo '  VERBOSE=<boolean>'
	@echo '    Disables beautified build output'
	@echo '  DOTNET_CMD=<path>'
	@echo '    Path to the `dotnet` binary to call'
	@echo '  CONFIGURATION=<Release|Debug>'
	@echo '    Configuration to build in, defaults to `Release`.'
	@echo
	@echo 'For example, if you want to run target `build` with VIPS enabled: `make VIPS=true build`'
	@echo 'For production deployments, you likely want to call `make publish-aot`.'