# ============================================================================
# DarkForge Linux — User Shell Profile (~/.zprofile)
# ============================================================================
# Sourced on login to zsh. Auto-starts the full desktop session on tty1:
#   D-Bus user session → PipeWire audio → polkit agent → dwl compositor
# ============================================================================

# --- XDG directories --------------------------------------------------------
export XDG_SESSION_TYPE=wayland
export XDG_RUNTIME_DIR="/run/user/$(id -u)"
export XDG_CONFIG_HOME="${HOME}/.config"
export XDG_CACHE_HOME="${HOME}/.cache"
export XDG_DATA_HOME="${HOME}/.local/share"
export XDG_STATE_HOME="${HOME}/.local/state"
export XDG_CURRENT_DESKTOP=dwl

# --- NVIDIA Wayland environment ---------------------------------------------
export GBM_BACKEND=nvidia-drm
export __GLX_VENDOR_LIBRARY_NAME=nvidia
export WLR_NO_HARDWARE_CURSORS=1
export LIBVA_DRIVER_NAME=nvidia
# Hardware video decoding (Firefox, mpv)

export MOZ_ENABLE_WAYLAND=1
# Firefox: use native Wayland backend

export QT_QPA_PLATFORM=wayland
# Qt applications: use Wayland backend

export SDL_VIDEODRIVER=wayland
# SDL2 games: prefer Wayland (falls back to X11 via XWayland)

# --- Seatd environment (seat manager for wlroots) --------------------------
export LIBSEAT_BACKEND=seatd
# Tell wlroots/dwl to use seatd for device access

# --- Ensure XDG runtime directory exists ------------------------------------
if [ ! -d "${XDG_RUNTIME_DIR}" ]; then
    mkdir -p "${XDG_RUNTIME_DIR}"
    chmod 700 "${XDG_RUNTIME_DIR}"
fi

# --- Auto-start Wayland compositor on tty1 ----------------------------------
if [ -z "${WAYLAND_DISPLAY}" ] && [ "$(tty)" = "/dev/tty1" ]; then

    # Start user D-Bus session (required by PipeWire, polkit, desktop apps)
    if [ -z "${DBUS_SESSION_BUS_ADDRESS}" ]; then
        eval "$(dbus-launch --sh-syntax)"
        export DBUS_SESSION_BUS_ADDRESS
    fi

    # Start PipeWire audio stack (runs as user, not system service)
    pipewire &
    sleep 0.2
    pipewire-pulse &
    # PulseAudio compatibility server — needed by Firefox, Steam, most apps
    wireplumber &
    # Session manager — handles audio routing and device management

    # Start polkit authentication agent (for GUI password prompts)
    lxqt-policykit-agent &>/dev/null &

    # Start the dwl Wayland compositor
    # -s "startup_cmd" runs a command after dwl starts (opens a terminal)
    exec dwl 2>/dev/null
fi