#!/usr/bin/env bash
# build_all.sh — regenerate every tune, verify the MIDI, render WAVs,
# and run audio sanity checks. One command, from repo root:
#
#   ./tools/build_all.sh
#
# Requires: timidity (with a GM soundfont, e.g. FluidR3_GM.sf2).
# WAVs land in build/ (gitignored); MIDI files land in midi/.
set -euo pipefail
cd "$(dirname "$0")/.."
mkdir -p midi build

for t in tunes/*.py; do
    echo "== $t"
    python3 "$t"
done

echo "== verifying MIDI"
python3 - <<'EOF'
import sys, glob
sys.path.insert(0, "lib")
from midikit import verify
for f in sorted(glob.glob("midi/*.mid")):
    d = verify(f)
    print("  %-40s %6.1fs  %4d notes  %d tracks" %
          (f, d["duration_sec"], sum(len(t["notes"]) for t in d["tracks"]),
           len(d["tracks"])))
EOF

echo "== rendering WAV (timidity)"
for f in midi/*.mid; do
    out="build/$(basename "${f%.mid}").wav"
    timidity -Ow -s 44 "$f" -o "$out" 2>/dev/null
    python3 tools/check_wav.py "$out"
done
echo "ALL OK"