#!/usr/bin/env bash
# {{ ansible_managed }}
#
# Run the native front-end on the kiosk's X display. The web UI stays where it is;
# both talk to the same backend, so they can be compared on the same screen.
#
#   musikdelfin                                   the display, as the kiosk uses it
#   SLINT_BACKEND=winit-software musikdelfin      no GPU, for comparison
#   SLINT_FULLSCREEN=0 musikdelfin                a normal window, beside the browser
#   SLINT_DEBUG_PERFORMANCE=overlay,refresh_lazy musikdelfin    frame timings on screen
set -eu

# The kiosk's X session belongs to {{ pi_slint_frontend_x_user }}, and its cookie is
# the only way onto that display - without it the connection is refused before winit
# gets far enough to report anything more useful than "could not initialize backend".
export DISPLAY="${DISPLAY:-:0}"
export XAUTHORITY="${XAUTHORITY:-{{ pi_slint_frontend_x_home }}/.Xauthority}"

# Nunito is the face the design is drawn in; without it Slint falls back to whatever
# fontconfig hands back, which changes how this looks but not whether it runs.
for candidate in \
    /usr/share/fonts/truetype/nunito/Nunito[wght].ttf \
    /usr/share/fonts/truetype/nunito/Nunito-Regular.ttf \
    {{ pi_slint_frontend_root }}/fonts/Nunito.ttf
do
    if [ -f "$candidate" ]; then
        export SLINT_DEFAULT_FONT="$candidate"
        break
    fi
done

{% if pi_slint_frontend_fullscreen %}
export SLINT_FULLSCREEN="${SLINT_FULLSCREEN:-1}"
{% endif %}
{% if pi_slint_frontend_debug_performance %}
export SLINT_DEBUG_PERFORMANCE="${SLINT_DEBUG_PERFORMANCE:-{{ pi_slint_frontend_debug_performance }}}"
{% endif %}

exec {{ pi_slint_frontend_root }}/target/release/musicmouse-slint \
    --server {{ pi_slint_frontend_server }} "$@"