#!/usr/bin/env bash
# HoMM Olden Era / Steam / GOG в bottle Whisky. См. docs/games/WINE_APPS_LAUNCH_RUNBOOK.md
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
# shellcheck source=config.sh
source "${SCRIPT_DIR}/config.sh"

HOMM_DISK_MIN_GB="${HOMM_DISK_MIN_GB:-3}"
HOMM_DISK_WARN_PCT="${HOMM_DISK_WARN_PCT:-10}"

usage() {
  cat <<EOF
Использование: $(basename "$0") <команда>

  play             — игра (DXVK + Unity windowed; Steam Logged On)
  game             — то же, явный запуск exe
  steam-ui         — Steam с окном (CEF + шрифты)
  steam            — Steam -silent (без UI)
  reset            — wineboot -k, убить Steam/GOG/игру в bottle
  dxvk             — установить DXVK-macOS в bottle
  disk             — свободное место на диске
  saves            — открыть папку сейвов в Finder
  fix-steam-ui     — шрифты + dwrite для пустого текста Steam
  fix-gog-auth     — сеть Wine для GOG login
  diagnose         — общая диагностика (mouse)
  diagnose-steam-ui
  diagnose-saves
  diagnose-gog-auth
  input            — WineBus SDL (мышь/геймпад)
  gog-install      — GOG Galaxy 2.0 в bottle
  gog              — запустить GOG Galaxy
  gog-restart      — убить GOG и запустить снова
  gog-bottle / gog-use-bottle / gog-setup / gog-corefonts / gog-game-install / gog-reset
                 — GOG в отдельном bottle (см. scripts/games/gog/README.md)
  wine-setup       — HoMM/Steam bottle (не GOG)
  whisky           — открыть Whisky.app
  help             — эта справка (-h / --help)
EOF
}

cmd_wine_check() {
  if [[ ! -x "${WINE64}" ]]; then
    echo "Нет WhiskyWine: bash ${SCRIPT_DIR}/install-whiskywine-manual.sh"
    exit 1
  fi
}

cmd_disk_guard() {
  local min_kb free_kb pct
  min_kb=$((HOMM_DISK_MIN_GB * 1024 * 1024))
  free_kb="$(homm_disk_free_kb)"
  pct="$(homm_disk_free_pct)"
  if [[ "${free_kb}" -lt "${min_kb}" ]]; then
    echo "❌ Мало места (<${HOMM_DISK_MIN_GB} GB свободно на Data)."
    return 1
  fi
  if [[ "${pct}" -lt "${HOMM_DISK_WARN_PCT}" ]]; then
    echo "⚠️  Диск заполнен ~${pct}% свободно — риск зависаний CEF/Wine."
  fi
  return 0
}

cmd_disk() {
  df -h "$(homm_data_volume_path)" | tail -1
  echo "Свободно: $(homm_disk_free_pct)% ($(homm_disk_free_kb) KB)"
}

homm_steam_cef_args_array() {
  local _IFS=$IFS
  IFS=' '
  # shellcheck disable=SC2206
  local -a _a=(${HOMM_STEAM_CEF_ARGS})
  IFS=$_IFS
  printf '%s\n' "${_a[@]}"
}

homm_unity_args_array() {
  local -a args=()
  local w h
  if [[ "${HOMM_UNITY_WINDOWED:-1}" == "1" ]]; then
    IFS='x' read -r w h <<< "${HOMM_VDESKTOP:-1920x1080}"
    args+=(-screen-fullscreen 0 -screen-width="${w}" -screen-height="${h}")
  fi
  if [[ -n "${HOMM_UNITY_EXTRA:-}" ]]; then
    local _IFS=$IFS
    IFS=' '
    # shellcheck disable=SC2206
    local -a extra=(${HOMM_UNITY_EXTRA})
    IFS=$_IFS
    args+=("${extra[@]}")
  fi
  if [[ ${#args[@]} -eq 0 ]]; then
    return 0
  fi
  printf '%s\n' "${args[@]}"
}

cmd_reset() {
  cmd_wine_check
  export_wine_env
  echo "wineboot -k…"
  "${WINE64}" wineboot -k 2>/dev/null || true
  pkill -f 'HeroesOldenEra\.exe' 2>/dev/null || true
  pkill -f 'Steam\.exe' 2>/dev/null || true
  pkill -f 'steamwebhelper' 2>/dev/null || true
  pkill -f 'SteamService' 2>/dev/null || true
  pkill -f 'GalaxyClient' 2>/dev/null || true
  pkill -f 'GOG_Galaxy' 2>/dev/null || true
  pkill -f 'GalaxyWebInstaller' 2>/dev/null || true
  pkill -f 'explorer.exe /desktop' 2>/dev/null || true
  sleep 1
  echo "OK: процессы bottle остановлены."
}

cmd_steam_ui() {
  local -a cef_args=()
  cmd_wine_check
  cmd_disk_guard || exit 1
  homm_kill_mac_steam || true
  homm_warn_mac_steam || true
  export_wine_env_steam
  mapfile -t cef_args < <(homm_steam_cef_args_array)
  echo "Запуск Steam UI (Cmd+Tab → wine64 / Steam)…"
  if [[ "${HOMM_STEAM_VDESKTOP:-0}" == "1" ]]; then
    local w h
    IFS='x' read -r w h <<< "${HOMM_VDESKTOP:-1920x1080}"
    exec "${WINE64}" explorer "/desktop=SteamUI,${w}x${h}" "${STEAM_EXE}" "${cef_args[@]}"
  else
    exec "${WINE64}" "${STEAM_EXE}" "${cef_args[@]}"
  fi
}

cmd_steam() {
  cmd_wine_check
  export_wine_env_steam
  echo "Steam -silent…"
  exec "${WINE64}" "${STEAM_EXE}" -silent
}

cmd_game() {
  local -a unity=()
  cmd_wine_check
  cmd_disk_guard || exit 1
  if [[ ! -f "${HOMM_EXE}" ]]; then
    echo "Нет ${HOMM_EXE} — установите Olden Era в Steam UI."
    exit 1
  fi
  if [[ "${HOMM_GAME_FORCE:-0}" != "1" ]] && ! homm_steam_ready_for_game; then
    echo "❌ Steam не Logged On или не запущен."
    echo "   bash ${SCRIPT_DIR}/start.sh steam-ui → login → play"
    exit 1
  fi
  mapfile -t unity < <(homm_unity_args_array)
  export_wine_env_game
  echo "Запуск HoMM (DXVK + windowed)…"
  if [[ "${HOMM_USE_WINEVDESKTOP:-1}" == "1" && "${HOMM_LAUNCH_DIRECT:-0}" != "1" ]]; then
    local w h
    IFS='x' read -r w h <<< "${HOMM_VDESKTOP:-1920x1080}"
    exec "${WINE64}" explorer "/desktop=HoMM,${w}x${h}" "${HOMM_EXE}" "${unity[@]}"
  else
    exec "${WINE64}" "${HOMM_EXE}" "${unity[@]}"
  fi
}

cmd_play() {
  if homm_steam_ready_for_game; then
    cmd_game
  else
    homm_warn_mac_steam || true
    echo "Нужен Steam Logged On. Сначала steam-ui, затем снова play."
    if ! homm_wine_steam_running; then
      cmd_steam_ui
    else
      exit 1
    fi
  fi
}

cmd_saves() {
  local sp
  sp="$(find "${BOTTLE_DIR}/drive_c/users" -type d -path '*/Unfrozen/HeroesOldenEra/users/*/saves/singleplayer' 2>/dev/null | head -1)"
  if [[ -z "${sp}" ]]; then
    echo "Папка сейвов не найдена — запустите игру хотя бы раз."
    exit 1
  fi
  open "${sp}"
  echo "${sp}"
}

cmd_gog() {
  local gog_exe win_exe
  local -a cef_args=()
  cmd_wine_check
  cmd_disk_guard || exit 1
  if ! gog_exe="$(homm_gog_exe)"; then
    echo "GOG не установлен: bash ${SCRIPT_DIR}/start.sh gog-install"
    exit 1
  fi
  if homm_wine_gog_running; then
    echo "GOG уже запущен (Cmd+Tab → GalaxyClient)."
    exit 0
  fi
  homm_kill_mac_steam || true
  export_wine_env_gog
  mapfile -t cef_args < <(homm_gog_cef_args_array)
  if [[ -x "${WINEPATH_BIN}" ]]; then
    win_exe="$("${WINEPATH_BIN}" -w "${gog_exe}")"
  else
    win_exe='C:\Program Files (x86)\GOG Galaxy\GalaxyClient.exe'
  fi
  echo "Запуск GOG Galaxy…"
  nohup "${WINE64}" "${win_exe}" "${cef_args[@]}" >/tmp/gog-launch.log 2>&1 &
  sleep 3
  if homm_wine_gog_running; then
    echo "OK: Cmd+Tab → GalaxyClient"
  else
    echo "Не стартовал — tail /tmp/gog-launch.log"
    tail -10 /tmp/gog-launch.log 2>/dev/null || true
    exit 1
  fi
}

cmd_gog_restart() {
  pkill -f 'GalaxyClient' 2>/dev/null || true
  pkill -f 'GOG Galaxy' 2>/dev/null || true
  sleep 2
  cmd_gog
}

cmd_whisky() {
  open -a Whisky 2>/dev/null || open -a "Whisky.app" 2>/dev/null || {
    echo "Установите Whisky (franke) или откройте bottle вручную."
    exit 1
  }
}

main() {
  local cmd="${1:-steam}"
  shift || true
  case "${cmd}" in
    -h|--help|help) usage; exit 0 ;;
    play) cmd_play "$@" ;;
    game) cmd_game "$@" ;;
    steam-ui) cmd_steam_ui "$@" ;;
    steam) cmd_steam "$@" ;;
    reset) cmd_reset "$@" ;;
    dxvk) exec bash "${SCRIPT_DIR}/install-dxvk-macos.sh" "$@" ;;
    disk) cmd_disk "$@" ;;
    saves) cmd_saves "$@" ;;
    fix-steam-ui) exec bash "${SCRIPT_DIR}/fix-homm-steam-ui.sh" "$@" ;;
    fix-gog-auth) exec bash "${SCRIPT_DIR}/fix-gog-auth.sh" "$@" ;;
    diagnose) exec bash "${SCRIPT_DIR}/diagnose-homm-mouse.sh" "$@" ;;
    diagnose-steam-ui) exec bash "${SCRIPT_DIR}/diagnose-homm-steam-ui.sh" "$@" ;;
    diagnose-saves) exec bash "${SCRIPT_DIR}/diagnose-homm-saves.sh" "$@" ;;
    diagnose-gog-auth) exec bash "${SCRIPT_DIR}/diagnose-gog-auth.sh" "$@" ;;
    input) exec bash "${SCRIPT_DIR}/fix-homm-wine-input.sh" "$@" ;;
    gog-install) exec bash "${SCRIPT_DIR}/install-gog-galaxy.sh" "$@" ;;
    gog) cmd_gog "$@" ;;
    gog-restart) cmd_gog_restart "$@" ;;
    gog-bottle) exec bash "${SCRIPT_DIR}/gog/list-bottles.sh" "$@" ;;
    gog-use-bottle) shift; exec bash "${SCRIPT_DIR}/gog/use-bottle.sh" "$@" ;;
    gog-setup) exec bash "${SCRIPT_DIR}/gog/setup-bottle.sh" "$@" ;;
    gog-install-all) shift; exec bash "${SCRIPT_DIR}/gog/install-all.sh" "$@" ;;
    gog-gdiplus) exec bash "${SCRIPT_DIR}/gog/install-gdiplus.sh" "$@" ;;
    gog-create-bottle) exec bash "${SCRIPT_DIR}/gog/create-bottle.sh" "$@" ;;
    gog-corefonts) exec bash "${SCRIPT_DIR}/gog/install-corefonts.sh" "$@" ;;
    gog-game-install) exec bash "${SCRIPT_DIR}/gog/run-web-installer.sh" "$@" ;;
    gog-reset) exec bash "${SCRIPT_DIR}/gog/reset.sh" "$@" ;;
    wine-setup) exec bash "${SCRIPT_DIR}/setup-wine-bottle.sh" "$@" ;;
    wine-corefonts) echo "Для GOG: bash ${SCRIPT_DIR}/gog/install-corefonts.sh"; exit 1 ;;
    whisky) cmd_whisky "$@" ;;
    "") cmd_steam "$@" ;;
    *)
      echo "Неизвестная команда: ${cmd}"
      usage
      exit 1
      ;;
  esac
}

main "$@"