#!/usr/bin/env bash
#
# deckport install helper — OpenRCT2 (RollerCoaster Tycoon 2 Open Engine)
# status: needs-test · engine: other · type: native
#
# Generated from openrct2.toml on the deckport recipe site.
# Recipes describe how to CONFIGURE a game — never where to obtain it.
#
# Community guides for this game:
#   - Classics on Deck — OpenRCT2 Steam Deck Setup Guide: https://www.classicsondeck.com/openrct2-rollercoaster-tycoon-2-open-source/
#   - OpenRCT2 GitHub Releases: https://github.com/OpenRCT2/OpenRCT2/releases
#   - OpenRCT2 Official Site: https://openrct2.io
#   - OpenRCT2 Docs — Installing on Linux/BSD: https://docs.openrct2.io/en/latest/installing/installing-on-linux-bsd.html
#
# ON YOUR STEAM DECK (Desktop Mode), with STEAM CLOSED:
#   1. Copy the game's whole folder into ~/Games/
#   2. Put the importer in your home folder:  ~/deckport.py
#   3. Run:  bash openrct2.deckport.sh
#
set -euo pipefail

GAMES_DIR="${GAMES_DIR:-$HOME/Games}"
IMPORTER="${IMPORTER:-$HOME/deckport.py}"
TAG="${TAG:-Ported Games}"

GAME_TITLE="OpenRCT2 (RollerCoaster Tycoon 2 Open Engine)"
BINARY="openrct2"
GAME_TYPE="native"
REQUIRES=("RollerCoaster Tycoon 2 game files (cheap on GOG or Steam)")

say()  { printf '  %s\n' "$*"; }
die()  { printf 'error: %s\n' "$*" >&2; exit 1; }

printf '\n=== deckport: %s ===\n' "$GAME_TITLE"

[ -d "$GAMES_DIR" ] || die "drop directory $GAMES_DIR not found — create it and copy the game folder in"
[ -f "$IMPORTER" ]  || die "importer not found at $IMPORTER — copy deckport.py to your home folder"

# Refuse to clobber shortcuts.vdf while Steam is running (it rewrites on exit).
if pgrep -x steam >/dev/null 2>&1; then
  die "Steam is running — close it fully first, then re-run this script"
fi

# Locate the folder that holds the game binary.
GAME_DIR=""
if [ -n "$BINARY" ]; then
  GAME_DIR="$(find "$GAMES_DIR" -maxdepth 4 -name "$BINARY" -printf '%h\n' 2>/dev/null | head -n1 || true)"
fi
[ -n "$GAME_DIR" ] || die "could not find '$BINARY' under $GAMES_DIR — copy the game folder there first"
say "found game folder: $GAME_DIR"

# Required data files must sit beside the binary.
for f in "${REQUIRES[@]:-}"; do
  [ -z "$f" ] && continue
  if [ -e "$GAME_DIR/$f" ]; then say "ok: $f present"
  else die "missing required file: $f (must sit beside the binary)"; fi
done

# Write this game's recipe to a temp folder and hand it to the importer with
# --recipes, so it applies the PINNED binary, launch options and Proton version
# (not just auto-detect). Cleaned up on exit. Needs Python 3.11+ for TOML; if
# that's missing the importer says so and still registers the shortcut.
RECIPE_DIR="$(mktemp -d)"
trap 'rm -rf "$RECIPE_DIR"' EXIT
cat > "$RECIPE_DIR/openrct2.toml" <<'DECKPORT_RECIPE_TOML'
[game]
title = "OpenRCT2 (RollerCoaster Tycoon 2 Open Engine)"
slug = "openrct2"
type = "native"
engine = "other"
aliases = ["OpenRCT2", "RCT2 Open Source", "RollerCoaster Tycoon 2 Open"]
steam_appid = ""

[launch]
binary = "openrct2"
launch_options = ""
requires_files = ["RollerCoaster Tycoon 2 game files (cheap on GOG or Steam)"]

[proton]
version = ""
winetricks = []

[meta]
status = "needs-test"
DECKPORT_RECIPE_TOML

say "registering with Steam (applying recipe)…"
python3 "$IMPORTER" --games-dir "$GAMES_DIR" --recipes "$RECIPE_DIR" --tag "$TAG"

say "native Linux title — no Proton needed."

printf '\nDone. Reopen Steam / return to Game Mode — look under "%s".\n\n' "$TAG"