BINARY        := streamdeck-go
HELPER        := streamdeck-helper
INIT          := streamdeck-init
CTL           := streamdeck-ctl
PREFIX        ?= $(HOME)/.local
CONFIG_DIR    := $(HOME)/.config/streamdeck-go
GROUP         := streamdeck

# ── Omarchy shell plugin ──────────────────────────────────────────────────────
PLUGIN_ID     := dev.woodard.streamdeck
PLUGIN_SRC    := $(CURDIR)/omarchy-plugin
PLUGIN_DIR    := $(HOME)/.config/omarchy/plugins/$(PLUGIN_ID)

# ── OS detection ──────────────────────────────────────────────────────────────
OS := $(shell uname -s)

ifeq ($(OS),Darwin)
  BIN_DIR        := $(HOME)/go/bin
  ETC_DIR        := /usr/local/etc/streamdeck-go
  LAUNCHAGENTS   := $(HOME)/Library/LaunchAgents
  LAUNCHDAEMONS  := /Library/LaunchDaemons
  AGENT_PLIST    := $(LAUNCHAGENTS)/com.woodarddigital.streamdeck-go.plist
  DAEMON_PLIST   := $(LAUNCHDAEMONS)/com.woodarddigital.streamdeck-go-helper.plist
else
  BIN_DIR        := $(PREFIX)/bin
  SYS_BIN        := /usr/local/bin
  ETC_DIR        := /etc/streamdeck-go
  SYSTEMD_USER   := $(HOME)/.config/systemd/user
  SYSTEMD_SYS    := /etc/systemd/system
  UDEV_RULE      := /etc/udev/rules.d/99-streamdeck.rules
endif

.PHONY: build build-helper build-init build-ctl install install-ctl install-helper install-watchdog \
        install-plugin uninstall-plugin validate-plugin reinstall uninstall uninstall-helper \
        uninstall-watchdog udev

# ── Build ─────────────────────────────────────────────────────────────────────

build:
	go build -o $(BINARY) ./cmd/streamdeck/

build-helper:
	go build -o $(HELPER) ./cmd/streamdeck-helper/

build-init:
	go build -o $(INIT) ./cmd/streamdeck-init/

build-ctl:
	go build -o $(CTL) ./cmd/streamdeck-ctl/

# ── Install ───────────────────────────────────────────────────────────────────

# Interactive install — prompts for dotfiles directory, installs binary + service.
install:
	@bash install.sh

# Install the privileged helper (requires sudo).
ifeq ($(OS),Darwin)
# On macOS there is no root daemon — privileged commands run via osascript (admin
# auth dialog). install-helper just drops the whitelist into the user config dir.
install-helper:
	mkdir -p $(CONFIG_DIR)
	@if [ ! -f $(CONFIG_DIR)/privileged.yaml ]; then \
		install -m 644 config/privileged.example.yaml $(CONFIG_DIR)/privileged.yaml; \
		echo "Whitelist written to $(CONFIG_DIR)/privileged.yaml"; \
	else \
		echo "Whitelist already exists — not overwriting"; \
	fi
	@echo ""
	@echo "Edit $(CONFIG_DIR)/privileged.yaml to add priv: commands."
	@echo "No sudo or daemon required — macOS will prompt for admin auth on use."
else
install-helper: build-helper
	# Create group and add current user (Linux).
	@if ! getent group $(GROUP) > /dev/null; then \
		sudo groupadd $(GROUP); \
		echo "Created group '$(GROUP)'"; \
	fi
	sudo usermod -aG $(GROUP) $(USER)
	# Install helper binary (owned root, not world-executable).
	sudo install -Dm750 $(HELPER) $(SYS_BIN)/$(HELPER)
	sudo chown root:$(GROUP) $(SYS_BIN)/$(HELPER)
	# Install whitelist config.
	sudo mkdir -p $(ETC_DIR)
	@if [ ! -f $(ETC_DIR)/privileged.yaml ]; then \
		sudo install -Dm640 config/privileged.example.yaml $(ETC_DIR)/privileged.yaml; \
		sudo chown root:$(GROUP) $(ETC_DIR)/privileged.yaml; \
		echo "Whitelist written to $(ETC_DIR)/privileged.yaml"; \
	else \
		echo "Whitelist already exists — not overwriting"; \
	fi
	# Install and enable system service.
	sudo install -Dm644 systemd/streamdeck-go-helper.service $(SYSTEMD_SYS)/streamdeck-go-helper.service
	sudo systemctl daemon-reload
	sudo systemctl enable --now streamdeck-go-helper.service
	@echo ""
	@echo "Helper installed. Edit $(ETC_DIR)/privileged.yaml (as root) to add commands."
	@echo "NOTE: log out and back in for group membership to take effect,"
	@echo "      or run: newgrp $(GROUP)"
endif

# Install the watchdog timer that detects USB unplug/replug and restarts the
# service when the daemon's in-process reconnect misses an event. Linux only.
ifeq ($(OS),Darwin)
WATCHDOG_PLIST     := $(LAUNCHAGENTS)/com.woodarddigital.streamdeck-go-watchdog.plist
WATCHDOG_LOG       := $(HOME)/Library/Logs/streamdeck-go-watchdog.log
install-watchdog:
	mkdir -p $(BIN_DIR) $(LAUNCHAGENTS) $(HOME)/Library/Logs
	install -m 755 systemd/streamdeck-go-watchdog.sh $(BIN_DIR)/streamdeck-go-watchdog
	# Substitute the binary and log paths into the plist.
	sed -e 's|STREAMDECK_WATCHDOG_PATH|$(BIN_DIR)/streamdeck-go-watchdog|' \
	    -e 's|STREAMDECK_WATCHDOG_LOG_PATH|$(WATCHDOG_LOG)|g' \
	    launchd/com.woodarddigital.streamdeck-go-watchdog.plist > $(WATCHDOG_PLIST)
	# Reload: bootout (ignore if not loaded) then bootstrap.
	launchctl bootout gui/$$(id -u)/com.woodarddigital.streamdeck-go-watchdog 2>/dev/null || true
	launchctl bootstrap gui/$$(id -u) $(WATCHDOG_PLIST)
	@echo ""
	@echo "Watchdog installed. Fires every 30s."
	@echo "  Logs: $(WATCHDOG_LOG)"
else
install-watchdog:
	install -Dm755 systemd/streamdeck-go-watchdog.sh $(BIN_DIR)/streamdeck-go-watchdog
	install -Dm644 systemd/streamdeck-go-watchdog.service $(SYSTEMD_USER)/streamdeck-go-watchdog.service
	install -Dm644 systemd/streamdeck-go-watchdog.timer $(SYSTEMD_USER)/streamdeck-go-watchdog.timer
	systemctl --user daemon-reload
	systemctl --user enable --now streamdeck-go-watchdog.timer
	@echo ""
	@echo "Watchdog timer installed and started."
	@echo "  Status:  systemctl --user status streamdeck-go-watchdog.timer"
	@echo "  Logs:    journalctl --user -u streamdeck-go-watchdog.service"
endif

# udev: Linux-only device permission rule.
udev:
ifeq ($(OS),Darwin)
	@echo "udev is Linux-only — not needed on macOS (IOKit grants HID access directly)."
else
	@if [ ! -f $(UDEV_RULE) ]; then \
		echo 'KERNEL=="hidraw*", ATTRS{idVendor}=="0fd9", MODE="0666"' \
			| sudo tee $(UDEV_RULE); \
		sudo udevadm control --reload; \
		sudo udevadm trigger; \
		echo "udev rule installed."; \
	else \
		echo "udev rule already exists."; \
	fi
endif

# ── Reinstall ─────────────────────────────────────────────────────────────────
# Refresh only the pieces that are already installed: binary, service unit,
# helper, watchdog, and modules.yaml. Skips dependency/dotfile/symlink setup.
# Use this after a code change to redeploy without going through install.sh.

ifeq ($(OS),Darwin)
reinstall: build
	@echo "  ━━━ streamdeck-go reinstall ━━━"
	@if [ -f $(BIN_DIR)/$(BINARY) ]; then \
		install -m 755 $(BINARY) $(BIN_DIR)/$(BINARY); \
		echo "  ✓ binary → $(BIN_DIR)/$(BINARY)"; \
	else \
		echo "  · binary not installed (skipping — run 'make install' first)"; \
	fi
	@if [ -f $(AGENT_PLIST) ]; then \
		LOG_PATH="$$HOME/Library/Logs/streamdeck-go.log"; \
		sed -e "s|STREAMDECK_BINARY_PATH|$(BIN_DIR)/$(BINARY)|g" \
		    -e "s|STREAMDECK_LOG_PATH|$$LOG_PATH|g" \
		    launchd/com.woodarddigital.streamdeck-go.plist > $(AGENT_PLIST); \
		launchctl unload $(AGENT_PLIST) 2>/dev/null || true; \
		launchctl load $(AGENT_PLIST); \
		echo "  ✓ launchd agent reloaded"; \
	else \
		echo "  · launchd agent not installed (skipping)"; \
	fi
	@if [ -f $(WATCHDOG_PLIST) ]; then \
		install -m 755 systemd/streamdeck-go-watchdog.sh $(BIN_DIR)/streamdeck-go-watchdog; \
		sed -e 's|STREAMDECK_WATCHDOG_PATH|$(BIN_DIR)/streamdeck-go-watchdog|' \
		    -e 's|STREAMDECK_WATCHDOG_LOG_PATH|$(WATCHDOG_LOG)|g' \
		    launchd/com.woodarddigital.streamdeck-go-watchdog.plist > $(WATCHDOG_PLIST); \
		launchctl bootout gui/$$(id -u)/com.woodarddigital.streamdeck-go-watchdog 2>/dev/null || true; \
		launchctl bootstrap gui/$$(id -u) $(WATCHDOG_PLIST); \
		echo "  ✓ watchdog refreshed"; \
	else \
		echo "  · watchdog not installed (skipping)"; \
	fi
	@if [ -f $(CONFIG_DIR)/modules.yaml ]; then \
		install -m 644 modules.example.yaml $(CONFIG_DIR)/modules.yaml; \
		echo "  ✓ modules.yaml updated"; \
	else \
		echo "  · config dir not set up (skipping modules.yaml)"; \
	fi
else
reinstall: build
	@echo "  ━━━ streamdeck-go reinstall ━━━"
	@if [ -f $(BIN_DIR)/$(BINARY) ]; then \
		install -m 755 $(BINARY) $(BIN_DIR)/$(BINARY); \
		echo "  ✓ binary → $(BIN_DIR)/$(BINARY)"; \
	else \
		echo "  · binary not installed (skipping — run 'make install' first)"; \
	fi
	@if [ -f $(SYSTEMD_USER)/streamdeck-go.service ]; then \
		install -m 644 systemd/streamdeck-go.service $(SYSTEMD_USER)/streamdeck-go.service; \
		systemctl --user daemon-reload; \
		systemctl --user restart streamdeck-go.service; \
		echo "  ✓ systemd unit refreshed and service restarted"; \
	else \
		echo "  · systemd user service not installed (skipping)"; \
	fi
	@if [ -f $(SYS_BIN)/$(HELPER) ]; then \
		$(MAKE) -s build-helper; \
		sudo install -m 750 $(HELPER) $(SYS_BIN)/$(HELPER); \
		sudo chown root:$(GROUP) $(SYS_BIN)/$(HELPER); \
		sudo install -m 644 systemd/streamdeck-go-helper.service $(SYSTEMD_SYS)/streamdeck-go-helper.service; \
		sudo systemctl daemon-reload; \
		sudo systemctl restart streamdeck-go-helper.service; \
		echo "  ✓ helper refreshed and restarted"; \
	else \
		echo "  · helper not installed (skipping)"; \
	fi
	@if [ -f $(SYSTEMD_USER)/streamdeck-go-watchdog.timer ]; then \
		install -m 755 systemd/streamdeck-go-watchdog.sh $(BIN_DIR)/streamdeck-go-watchdog; \
		install -m 644 systemd/streamdeck-go-watchdog.service $(SYSTEMD_USER)/streamdeck-go-watchdog.service; \
		install -m 644 systemd/streamdeck-go-watchdog.timer $(SYSTEMD_USER)/streamdeck-go-watchdog.timer; \
		systemctl --user daemon-reload; \
		systemctl --user restart streamdeck-go-watchdog.timer; \
		echo "  ✓ watchdog refreshed"; \
	else \
		echo "  · watchdog not installed (skipping)"; \
	fi
	@if [ -f $(CONFIG_DIR)/modules.yaml ]; then \
		install -m 644 modules.example.yaml $(CONFIG_DIR)/modules.yaml; \
		echo "  ✓ modules.yaml updated"; \
	else \
		echo "  · config dir not set up (skipping modules.yaml)"; \
	fi
endif

# ── streamdeck-ctl + Omarchy shell plugin ─────────────────────────────────────

# The CLI the Omarchy plugin drives. Also useful on its own for scripting.
install-ctl: build-ctl
	mkdir -p $(BIN_DIR)
	install -m 755 $(CTL) $(BIN_DIR)/$(CTL)
	@echo "Installed $(BIN_DIR)/$(CTL)"

# Symlink rather than copy so edits to the QML are live after a shell rescan.
install-plugin: install-ctl
	@if [ ! -d "$(HOME)/.config/omarchy" ]; then \
		echo "Omarchy shell config not found at ~/.config/omarchy — is Omarchy installed?"; \
		exit 1; \
	fi
	mkdir -p $(HOME)/.config/omarchy/plugins
	@if [ -e "$(PLUGIN_DIR)" ] && [ ! -L "$(PLUGIN_DIR)" ]; then \
		echo "$(PLUGIN_DIR) exists and is not a symlink — remove it first."; \
		exit 1; \
	fi
	ln -sfn "$(PLUGIN_SRC)" "$(PLUGIN_DIR)"
	# Validate the source tree, not the link: `omarchy plugin validate` refuses a
	# symlinked plugin folder by design, but the shell resolves it happily.
	@omarchy plugin validate "$(PLUGIN_SRC)" || true
	@omarchy-shell shell rescanPlugins >/dev/null 2>&1 || true
	@echo ""
	@echo "Plugin linked: $(PLUGIN_DIR) -> $(PLUGIN_SRC)"
	@echo "Enable it with:  omarchy plugin enable $(PLUGIN_ID) right"

validate-plugin:
	omarchy plugin validate "$(PLUGIN_SRC)"
	@command -v qmllint >/dev/null 2>&1 && \
		qmllint -I $${OMARCHY_PATH:-/usr/share/omarchy}/shell "$(PLUGIN_SRC)"/*.qml || \
		echo "qmllint not installed — skipped QML lint"

uninstall-plugin:
	omarchy plugin disable $(PLUGIN_ID) 2>/dev/null || true
	rm -f "$(PLUGIN_DIR)"
	rm -f $(BIN_DIR)/$(CTL)
	@omarchy-shell shell rescanPlugins >/dev/null 2>&1 || true
	@echo "Plugin unlinked and $(CTL) removed."

# ── Uninstall ─────────────────────────────────────────────────────────────────

ifeq ($(OS),Darwin)
uninstall:
	launchctl unload $(AGENT_PLIST) 2>/dev/null || true
	rm -f $(AGENT_PLIST)
	rm -f $(BIN_DIR)/$(BINARY)
	@echo "Uninstalled. Config at $(CONFIG_DIR) preserved."

uninstall-helper:
	@echo "No helper daemon on macOS — nothing to uninstall."
	@echo "Whitelist at $(CONFIG_DIR)/privileged.yaml preserved."

uninstall-watchdog:
	launchctl bootout gui/$$(id -u)/com.woodarddigital.streamdeck-go-watchdog 2>/dev/null || true
	rm -f $(WATCHDOG_PLIST)
	rm -f $(BIN_DIR)/streamdeck-go-watchdog
	@echo "Watchdog uninstalled."
else
uninstall:
	systemctl --user disable --now streamdeck-go.service || true
	rm -f $(BIN_DIR)/$(BINARY)
	rm -f $(SYSTEMD_USER)/streamdeck-go.service
	systemctl --user daemon-reload
	@echo "Uninstalled. Config at $(CONFIG_DIR) preserved."

uninstall-watchdog:
	systemctl --user disable --now streamdeck-go-watchdog.timer || true
	rm -f $(BIN_DIR)/streamdeck-go-watchdog
	rm -f $(SYSTEMD_USER)/streamdeck-go-watchdog.service
	rm -f $(SYSTEMD_USER)/streamdeck-go-watchdog.timer
	systemctl --user daemon-reload
	@echo "Watchdog uninstalled."

uninstall-helper:
	sudo systemctl disable --now streamdeck-go-helper.service || true
	sudo rm -f $(SYS_BIN)/$(HELPER)
	sudo rm -f $(SYSTEMD_SYS)/streamdeck-go-helper.service
	sudo systemctl daemon-reload
	@echo "Helper uninstalled. Whitelist at $(ETC_DIR)/privileged.yaml preserved."
endif