#!/bin/bash
# Start Splat Workshop.
#   splat-workshop               tray icon + open the web interface (tray needs PySide6, or uv to fetch it)
#   splat-workshop --background  tray icon only (e.g. for autostart)
#   splat-workshop --no-tray     web server in the background + open the web interface; stops itself when idle
#   splat-workshop --server      web server in the foreground (Ctrl+C to stop)
ROOT=$(cd "$(dirname "$(readlink -f "$0")")" && pwd)
cd "$ROOT" || exit 1

python3 -c 'import sys; sys.exit(sys.version_info < (3, 11))' || { echo "Splat Workshop needs Python 3.11 or newer" >&2; exit 1; }
PORT=$(python3 -c 'from splat_workshop import config; print(config.load().port)')
URL="http://127.0.0.1:$PORT/"

ours() { curl -fsS -m 2 "${URL}api/ping" 2>/dev/null | grep -q '"app": "splat-workshop"'; }

no_tray() {
    if ! ours; then
        if ss -ltnH "sport = :$PORT" 2>/dev/null | grep -q .; then
            msg="Port $PORT is used by another program (change [server] port in the config)."
            notify-send -a "Splat Workshop" -i dialog-error "Splat Workshop" "$msg" 2>/dev/null || echo "$msg" >&2
            exit 1
        fi
        mkdir -p "${XDG_STATE_HOME:-$HOME/.local/state}/splat-workshop"
        setsid python3 -m splat_workshop.server >>"${XDG_STATE_HOME:-$HOME/.local/state}/splat-workshop/server.log" 2>&1 < /dev/null &
        for _ in $(seq 50); do ours && break; sleep 0.1; done
    fi
    xdg-open "$URL" >/dev/null 2>&1 &
}

case "${1:-}" in
    --server) exec python3 -m splat_workshop.server ;;
    --no-tray) no_tray; exit 0 ;;
esac

# Tray icon: system PySide6, otherwise let uv provide it (downloaded once, ~100 MB)
if python3 -c 'import PySide6' 2>/dev/null; then
    python3 -m splat_workshop.tray "$@"
elif command -v uv >/dev/null; then
    uv run --quiet --no-project --with 'PySide6-Essentials>=6.5' python -m splat_workshop.tray "$@"
else
    false
fi
rc=$?
# 2 = no system tray available; other errors: fall back to the plain web interface
if [ $rc -ne 0 ]; then
    [ $rc -ne 2 ] && echo "Tray icon not available – starting without it." >&2
    no_tray
fi