#!/usr/bin/env python3
"""Verify every Filename: referenced by the mod's sequence yaml actually exists.

check-yaml does NOT do this — missing sprites only surface as a FileNotFoundException
when a map loads. Run this after adding art. Exits non-zero on any miss.
"""
import os, re, sys, glob

MOD = os.path.join(os.path.dirname(__file__), '..', 'mods', 'vinylgod')
missing = []
checked = 0
for y in glob.glob(os.path.join(MOD, 'sequences', '*.yaml')):
    for i, line in enumerate(open(y), 1):
        m = re.search(r'Filename:\s*(\S+)', line)
        if not m:
            continue
        checked += 1
        p = os.path.join(MOD, m.group(1))
        if not os.path.exists(p):
            missing.append(f'{os.path.basename(y)}:{i}  {m.group(1)}')

print(f'checked {checked} sprite references')
if missing:
    print(f'MISSING {len(missing)}:')
    for m in missing:
        print('  ' + m)
    sys.exit(1)
print('all sprite files present')