profile := release
target = $(shell rustc -vV | grep host | awk '{print $$2}')
channel := unstable

# Cargo outputs dev profile to 'debug' directory, not 'dev'
ifeq ($(profile),dev)
output_dir := debug
else
output_dir := $(profile)
endif

# Extract just the architecture (first component of target triple)
arch = $(firstword $(subst -, ,$(target)))
app_name := map
deploy_host := deploy@build.r.bdr.sh
deploy_path := /srv/http/build.r.bdr.sh/$(app_name)-linux
prefix := /usr/local
flatpak_cargo_generator := $(HOME)/projects/vendor/flatpak-builder-tools/cargo
linuxdeploy_url := https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-$(shell uname -m).AppImage
linuxdeploy := .cache/linuxdeploy.AppImage
pkgver := $(shell grep '^pkgver=' build-aux/PKGBUILD | cut -d= -f2)
pkgrel := $(shell grep '^pkgrel=' build-aux/PKGBUILD | cut -d= -f2)

# Podman images for distro-specific builds
fedora_versions := fedora42 fedora43 fedora-rawhide
debian_versions := bookworm trixie bullseye
fedora_image_fedora42 := fedora:42
fedora_image_fedora43 := fedora:43
fedora_image_fedora-rawhide := fedora:rawhide
debian_image_bookworm := debian:bookworm
debian_image_trixie := debian:trixie
debian_image_bullseye := debian:bullseye
# lopsided/archlinux provides multi-arch images (amd64, arm64, etc.)
arch_image := lopsided/archlinux:latest

# Filename format: map-aarch64-unstable.flatpak or map-aarch64-unstable-fedora43.rpm
filename = $(app_name)-$(arch)-$(channel)

define sign_and_deploy
	@./scripts/sign.sh "$(1)" "$(channel)" "$(arch)"
	rsync -avz $(1) $(deploy_host):$(deploy_path)
	rsync -avz $(1).minisig $(deploy_host):$(deploy_path)
endef

default: build

set_rust:
	rustup default stable

prepare:
ifneq ($(skip_prepare),1)
	rustup target add $(target)
endif

# Build ########################################################################

build: compile_translations prepare
	cargo build --profile $(profile) --target $(target)

# Code Quality #################################################################

test:
	cargo test

coverage:
	cargo tarpaulin

format:
	cargo fmt && cargo clippy --fix

lint:
	cargo fmt -- --check && cargo clippy

# Internationalization / Localization ##########################################

find_translatable_files:
	@find ./ -not -path '*/.*' -type f -name "*.rs" -exec grep -l "tr!(\"\|gettext" {} \; | sort > po/POTFILES

extract_strings: find_translatable_files
	@xgettext --files-from=po/POTFILES --output=po/systems.tranquil.Map.pot --from-code=UTF-8 --add-comments --keyword='tr!'

po_files := $(wildcard po/*.po)
mo_files := $(patsubst po/%.po,po/%/LC_MESSAGES/systems.tranquil.Map.mo,$(po_files))

compile_translations: $(mo_files)

po/%/LC_MESSAGES/systems.tranquil.Map.mo: po/%.po
	@mkdir -p $(dir $@)
	msgfmt $< -o $@

# Packaging ####################################################################
#
# Generic packages (run on bare metal)
#

update_flatpak_dependencies:
	cd $(flatpak_cargo_generator) && `poetry env activate` && python3 flatpak-cargo-generator.py $(CURDIR)/Cargo.lock -o $(CURDIR)/build-aux/cargo-sources.json && deactivate

package-tar: build
	@$(eval staging := $(shell mktemp -d))
	@install -Dm0755 target/$(target)/$(output_dir)/$(app_name) $(staging)/usr/bin/$(app_name)
	@install -Dm0644 resources/logo.svg $(staging)/usr/share/icons/hicolor/scalable/apps/systems.tranquil.Map.svg
	@install -Dm0644 resources/systems.tranquil.Map.desktop $(staging)/usr/share/applications/systems.tranquil.Map.desktop
	@install -Dm0644 resources/systems.tranquil.Map.metainfo.xml $(staging)/usr/share/metainfo/systems.tranquil.Map.metainfo.xml
	@install -Dm0644 resources/systems.tranquil.Map.service $(staging)/usr/share/dbus-1/services/systems.tranquil.Map.service
	@install -Dm0644 resources/wmap.lang $(staging)/usr/share/gtksourceview-5/language-specs/wmap.lang
	@for po_file in po/*.po; do \
		locale=$$(basename "$$po_file" .po); \
		install -Dm0644 po/$$locale/LC_MESSAGES/systems.tranquil.Map.mo $(staging)/usr/share/locale/$$locale/LC_MESSAGES/systems.tranquil.Map.mo; \
	done
	tar -czvf $(filename).tar.gz -C $(staging) usr
	@rm -rf $(staging)

package-flatpak: update_flatpak_dependencies
	flatpak-builder --force-clean --user --install-deps-from=flathub --repo=repo --install builddir ./build-aux/systems.tranquil.Map.yml
	flatpak build-bundle repo $(filename).flatpak systems.tranquil.Map

$(linuxdeploy):
	@mkdir -p .cache
	curl -L -o $(linuxdeploy) $(linuxdeploy_url)
	chmod +x $(linuxdeploy)

package-appimage: build $(linuxdeploy)
ifeq ($(findstring linux,$(target)),linux)
	@rm -f *.AppImage
	@$(eval appdir := $(shell mktemp -d))
	@install -Dm0755 target/$(target)/$(output_dir)/$(app_name) $(appdir)/usr/bin/$(app_name)
	@install -Dm0644 resources/logo.svg $(appdir)/usr/share/icons/hicolor/scalable/apps/systems.tranquil.Map.svg
	@install -Dm0644 resources/systems.tranquil.Map.desktop $(appdir)/usr/share/applications/systems.tranquil.Map.desktop
	@install -Dm0644 resources/systems.tranquil.Map.metainfo.xml $(appdir)/usr/share/metainfo/systems.tranquil.Map.metainfo.xml
	@install -Dm0644 resources/systems.tranquil.Map.service $(appdir)/usr/share/dbus-1/services/systems.tranquil.Map.service
	@install -Dm0644 resources/wmap.lang $(appdir)/usr/share/gtksourceview-5/language-specs/wmap.lang
	@for po_file in po/*.po; do \
		locale=$$(basename "$$po_file" .po); \
		install -Dm0644 po/$$locale/LC_MESSAGES/systems.tranquil.Map.mo $(appdir)/usr/share/locale/$$locale/LC_MESSAGES/systems.tranquil.Map.mo; \
	done
	APPIMAGE_EXTRACT_AND_RUN=1 NO_STRIP=true $(linuxdeploy) --appdir=$(appdir) --output=appimage --desktop-file=resources/systems.tranquil.Map.desktop --icon-file=resources/logo.svg
	mv *.AppImage $(filename).AppImage
	@rm -rf $(appdir)
endif

#
# Distro-specific packages (run inside podman containers)
#

# Internal target: runs inside arch container
package-pacman:
	@$(eval staging := $(shell mktemp -d))
	rsync -a --filter=':- .gitignore' --exclude='.git' . $(staging)/src
	cp build-aux/PKGBUILD $(staging)/
	cd $(staging) && PKGEXT='.pkg.tar.gz' makepkg -f
	mv $(staging)/$(app_name)-$(pkgver)-$(pkgrel)-$(arch).pkg.tar.gz $(app_name)-$(arch)-$(channel)-arch.pkg.tar.gz
	@rm -rf $(staging)

# Internal target: runs inside fedora container
package-rpm: build
ifeq ($(findstring linux,$(target)),linux)
	cargo generate-rpm --profile $(profile) --target $(target)
	mv target/$(target)/generate-rpm/*.rpm $(filename)-$(distro).rpm
endif

# Internal target: runs inside debian container
package-deb: build
ifeq ($(findstring linux,$(target)),linux)
	cargo deb --profile $(profile) --target $(target)
	mv target/$(target)/debian/*.deb $(filename)-$(distro).deb
endif

#
# Podman wrappers for distro-specific builds
#

package-pacman-podman:
	@echo "=== Building Arch package for $(arch) ==="
	podman run --rm -v $(CURDIR):/src:Z -w /src $(arch_image) bash -c '\
		pacman -Syu --noconfirm make clang lld curl tar gzip gettext gtk4 libadwaita gtksourceview5 fakeroot rsync && \
		curl --proto "=https" --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && \
		source $$HOME/.cargo/env && \
		useradd -m builder && \
		chown -R builder:builder /src && \
		su builder -c "cd /src && make -e profile=$(profile) -e channel=$(channel) -e target=$(target) package-pacman"'

package-rpm-podman:
ifndef distro
	$(error distro is required, e.g., make package-rpm-podman distro=fedora43)
endif
	@echo "=== Building RPM for $(distro) ($(arch)) ==="
	podman run --rm -v $(CURDIR):/src:Z -w /src $(fedora_image_$(distro)) bash -c '\
		dnf install -y make clang lld curl tar gzip gettext gtk4-devel libadwaita-devel gtksourceview5-devel pkg-config && \
		curl --proto "=https" --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && \
		source $$HOME/.cargo/env && \
		curl -L --proto "=https" --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash && \
		cargo binstall cargo-generate-rpm --no-confirm && \
		make -e profile=$(profile) -e channel=$(channel) -e target=$(target) -e distro=$(distro) package-rpm'

package-deb-podman:
ifndef distro
	$(error distro is required, e.g., make package-deb-podman distro=bookworm)
endif
	@echo "=== Building DEB for $(distro) ($(arch)) ==="
	podman run --rm -v $(CURDIR):/src:Z -w /src $(debian_image_$(distro)) bash -c '\
		apt-get update && \
		apt-get install -y make clang lld curl tar gzip gettext libgtk-4-dev libadwaita-1-dev libgtksourceview-5-dev pkg-config && \
		curl --proto "=https" --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && \
		source $$HOME/.cargo/env && \
		curl -L --proto "=https" --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash && \
		cargo binstall cargo-deb --no-confirm && \
		make -e profile=$(profile) -e channel=$(channel) -e target=$(target) -e distro=$(distro) package-deb'

package-rpm-all:
	@for v in $(fedora_versions); do \
		$(MAKE) -e profile=$(profile) -e channel=$(channel) -e target=$(target) -e distro=$$v package-rpm-podman; \
	done

package-deb-all:
	@for v in $(debian_versions); do \
		$(MAKE) -e profile=$(profile) -e channel=$(channel) -e target=$(target) -e distro=$$v package-deb-podman; \
	done

package: package-tar package-flatpak package-appimage package-pacman-podman package-rpm-all package-deb-all

# Distribution #################################################################

distribute-tar:
	@$(call sign_and_deploy,$(filename).tar.gz)

distribute-flatpak:
	@$(call sign_and_deploy,$(filename).flatpak)

distribute-appimage:
	@$(call sign_and_deploy,$(filename).AppImage)

distribute-pacman:
	@$(call sign_and_deploy,$(app_name)-$(arch)-$(channel)-arch.pkg.tar.gz)

distribute-rpm:
	@for v in $(fedora_versions); do \
		$(call sign_and_deploy,$(filename)-$$v.rpm); \
	done

distribute-deb:
	@for v in $(debian_versions); do \
		$(call sign_and_deploy,$(filename)-$$v.deb); \
	done

distribute: distribute-tar distribute-flatpak distribute-appimage distribute-pacman distribute-rpm distribute-deb

# Release ######################################################################

release: lint package distribute

# Installation #################################################################

install: build
	install -Dm0755 target/$(target)/$(output_dir)/$(app_name) $(prefix)/bin/$(app_name)
	install -Dm0644 resources/logo.svg $(prefix)/share/icons/hicolor/scalable/apps/systems.tranquil.Map.svg
	install -Dm0644 resources/systems.tranquil.Map.desktop $(prefix)/share/applications/systems.tranquil.Map.desktop
	install -Dm0644 resources/systems.tranquil.Map.metainfo.xml $(prefix)/share/metainfo/systems.tranquil.Map.metainfo.xml
	install -Dm0644 resources/systems.tranquil.Map.service $(prefix)/share/dbus-1/services/systems.tranquil.Map.service
	install -Dm0644 resources/wmap.lang $(prefix)/share/gtksourceview-5/language-specs/wmap.lang
	@for po_file in po/*.po; do \
		locale=$$(basename "$$po_file" .po); \
		install -Dm0644 po/$$locale/LC_MESSAGES/systems.tranquil.Map.mo $(prefix)/share/locale/$$locale/LC_MESSAGES/systems.tranquil.Map.mo; \
	done

uninstall:
	rm -f $(prefix)/bin/$(app_name)
	rm -f $(prefix)/share/icons/hicolor/scalable/apps/systems.tranquil.Map.svg
	rm -f $(prefix)/share/applications/systems.tranquil.Map.desktop
	rm -f $(prefix)/share/metainfo/systems.tranquil.Map.metainfo.xml
	rm -f $(prefix)/share/dbus-1/services/systems.tranquil.Map.service
	rm -f $(prefix)/share/gtksourceview-5/language-specs/wmap.lang
	@for po_file in po/*.po; do \
		locale=$$(basename "$$po_file" .po); \
		rm -f $(prefix)/share/locale/$$locale/LC_MESSAGES/systems.tranquil.Map.mo; \
	done

.PHONY: default build test coverage format lint \
	find_translatable_files extract_strings compile_translations \
	update_flatpak_dependencies \
	package-tar package-flatpak package-appimage \
	package-pacman package-rpm package-deb \
	package-pacman-podman package-rpm-podman package-deb-podman \
	package-rpm-all package-deb-all package \
	distribute-tar distribute-flatpak distribute-appimage distribute-pacman distribute-rpm distribute-deb distribute \
	release install uninstall set_rust prepare