#!/usr/bin/env bash
# Launch a Flashpoint game by ID the way the Linux launcher does: start the
# game server, mount the game's zip, then run its application through the proxy.
set -euo pipefail

FP_PATH=${FP_PATH:-/flashpoint}
ID=${1:?usage: fp-launch <game id>}
DB=$FP_PATH/Data/flashpoint.sqlite
API=http://127.0.0.1:22501/fpProxy/api

[[ $ID =~ ^[0-9a-f-]{36}$ ]] || { echo "Invalid game id: $ID" >&2; exit 1; }

if ! curl -s -o /dev/null "$API/listmountzip"; then
  "$FP_PATH/Server/FlashpointGameServer" -rootPath "$FP_PATH" \
    -useInfinityServer=false -handleLegacyRequests=true &
  until curl -s -o /dev/null "$API/listmountzip"; do sleep 0.2; done
fi

IFS=$'\x1f' read -r app cmd date_added < <(sqlite3 -readonly -separator $'\x1f' "$DB" "
  select coalesce(nullif(d.applicationPath, ''), g.applicationPath),
         coalesce(nullif(d.launchCommand, ''), g.launchCommand),
         coalesce(d.dateAdded, '')
  from game g left join game_data d on d.id = g.activeDataId
  where g.id = '$ID'") || true
[[ -n ${app:-} ]] || { echo "Game not found: $ID" >&2; exit 1; }

if [[ -n $date_added ]]; then
  zip=$FP_PATH/Data/Games/$ID-$(date -u -d "$date_added" +%s%3N).zip
  curl -sf -X POST -H 'Content-Type: application/json' \
    -d "{\"filePath\": \"$zip\"}" "$API/mountzip" >/dev/null ||
    { echo "Failed to mount $zip" >&2; exit 1; }
fi

echo "Launching $ID: $app $cmd"
case ${app,,} in
  'fpsoftware\startjava.bat' | 'fpsoftware\startjavainbrowser.bat')
    # Supplies the browser's JavaScript bridge, a browser-like network policy,
    # and a window holding only the applet
    export JAVA_TOOL_OPTIONS="-javaagent:/opt/flashpoint/applet-support.jar -Djava.security.policy=/opt/flashpoint/applet.policy"
    FP_PATH=$FP_PATH exec "$FP_PATH/FPSoftware/startJava.sh" "$cmd" ;;
  *)
    mapfile -d '' argv < <(FP_PATH=$FP_PATH FP_WRITABLE=$HOME/flashpoint fp-command "$app" "$cmd") || true
    (( ${#argv[@]} > 1 )) || { echo "Unsupported application: $app" >&2; exit 1; }
    export FP_PATH HTTP_PROXY=http://127.0.0.1:22500/ http_proxy=http://127.0.0.1:22500/
    export PATH=$FP_PATH/FPSoftware/Wine/bin:$PATH WINEDEBUG=-all WINEDLLOVERRIDES='mscoree,mshtml='
    # Flash Player keeps saves (SharedObjects) here
    mkdir -p "$HOME/saves/Flash_Player" "$HOME/.macromedia"
    [[ -e $HOME/.macromedia/Flash_Player ]] || ln -s "$HOME/saves/Flash_Player" "$HOME/.macromedia/Flash_Player"
    if [[ ${app,,} == 'fpsoftware\flash\'* ]]; then
      # Full screen hides the projector's menu bar and scales the movie to the display
      (xdotool search --sync --onlyvisible --name 'Flash Player' windowactivate --sync key ctrl+f) &
    fi
    cd "${argv[0]}"
    exec "${argv[@]:1}" ;;
esac