#!/bin/sh
# Play a case:  ./play.sh          list them and pick
#               ./play.sh 07       by number
#               ./play.sh cases/case-07-from-the-files
# ponytail: MRPGI lives next door; no vendoring, no submodule.
set -e
ENGINE="${MRPGI:-$HOME/Documents/MRPGI}"
cd "$(dirname "$0")"

# Menu goes to stderr so the caller only captures the reply.
pick() {
  {
    echo "POLICE SQUAD QUEST — cases:"
    echo
    for d in cases/*/; do
      n=$(basename "$d" | sed 's/^case-//; s/-.*//')
      t=$(sed -n 's/.*"name"[^"]*"\([^"]*\)".*/\1/p' "$d/game.json" 2>/dev/null | head -1)
      printf '  %s  %s\n' "$n" "${t:-$(basename "$d")}"
    done
    echo
    printf 'case number: '
  } >&2
  read -r reply
  echo "$reply"
}

arg="$1"
# No arg: the engine's own title screen / world picker on the cases shelf.
[ -n "$arg" ] || exec cargo run --release -p mrpgi --manifest-path "$ENGINE/Cargo.toml" -- \
  --game "$(pwd)/cases"


# A bare number selects by case prefix; anything else is treated as a path.
case "$arg" in
  [0-9]*) CASE=$(ls -d cases/case-"$arg"-*/ 2>/dev/null | head -1) ;;
  *)      CASE="$arg" ;;
esac

[ -n "$CASE" ] && [ -f "$CASE/game.json" ] || { echo "no such case: $arg"; exit 1; }
exec cargo run --release -p mrpgi --manifest-path "$ENGINE/Cargo.toml" -- \
  --game "$(cd "$CASE" && pwd)"