#!/usr/bin/env bash
# Render thesis-defense Manim clips. Run from anywhere (script cd's to its dir).
#
#   ./render_defense              # main reel: final-full, medium quality
#   ./render_defense --quality qh # high quality for recording
#   ./render_defense core         # shorter committee cut (final-core)
#   ./render_defense all          # everything: main + poster + both appendices
#   ./render_defense appendix     # behavior + COI appendix only
#   ./render_defense poster
#   ./render_defense list
#   ./render_defense --scene DefenseOpening --scene CardMarketAnalogyScene
#
# Env: MANIM_PYTHON=/path/to/python overrides auto-detected venv.

set -euo pipefail

ROOT="$(cd "$(dirname "$0")" && pwd)"
cd "$ROOT"

if [[ -n "${MANIM_PYTHON:-}" ]]; then
  PY="$MANIM_PYTHON"
elif [[ -x "$ROOT/../.venv/bin/python" ]]; then
  PY="$ROOT/../.venv/bin/python"
else
  PY="$(command -v python3 2>/dev/null || command -v python)"
fi

if [[ ! -x "$PY" ]] && ! command -v "$PY" &>/dev/null; then
  echo "No Python found. Set MANIM_PYTHON or create paper/defense/.venv" >&2
  exit 1
fi

export PYTHONPATH="$ROOT"

run() {
  "$PY" "$ROOT/render.py" "$@"
}

CMD=full
case "${1-}" in
  full|core|all|appendix|poster|list|help|-h|--help)
    CMD="$1"
    shift
    ;;
esac

case "$CMD" in
  help|-h|--help)
    cat <<'EOF'
Render thesis-defense Manim clips (cd to paper/defense/manim is automatic).

  ./render_defense                 main reel (final-full), default quality qm
  ./render_defense --quality qh    same, high quality for recording
  ./render_defense core            shorter cut (final-core)
  ./render_defense all             main + poster + both appendices
  ./render_defense appendix        behavior-appendix + coi-appendix
  ./render_defense poster
  ./render_defense list            scene names and source files
  ./render_defense --scene Name [--scene Name2 ...]

Env MANIM_PYTHON overrides Python (default: ../.venv/bin/python next to this dir).
EOF
    exit 0
    ;;
  list)
    run --list "$@"
    exit 0
    ;;
  full)
    run --group final-full "$@"
    ;;
  core)
    run --group final-core "$@"
    ;;
  all)
    run --all "$@"
    ;;
  appendix)
    run --group behavior-appendix "$@"
    run --group coi-appendix "$@"
    ;;
  poster)
    run --group poster "$@"
    ;;
  *)
    echo "Unknown command: $CMD" >&2
    exit 1
    ;;
esac