"""资产清单校验：game.js 引用的每个音频 id 都必须有 .ogg 和 .m4a。

- 提取所有 'bgm/xxx' 'voice/xxx' 'sfx/xxx' 字面量 id；
- numIds() 里动态拼的 voice/num_${k}（k=0..9）特判展开。
用法：python3 gen/check_assets.py
"""
import os
import re
import sys

HERE = os.path.dirname(__file__)
GAME_DIR = os.path.normpath(os.path.join(HERE, ".."))
AUDIO = os.path.join(GAME_DIR, "audio")

src = ""
for js in ("game.js", "index.html"):
    with open(os.path.join(GAME_DIR, js), encoding="utf-8") as f:
        src += f.read()

ids = set(re.findall(r"['\"]((?:bgm|voice|sfx)/[a-z0-9_]+)['\"]", src))

# 动态拼接的数字语音 voice/num_0 .. voice/num_9
if re.search(r"voice/num_\$\{", src) or "voice/num_" in src:
    ids.update(f"voice/num_{k}" for k in range(10))

missing = []
for aid in sorted(ids):
    for ext in (".ogg", ".m4a"):
        if not os.path.isfile(os.path.join(AUDIO, aid + ext)):
            missing.append(aid + ext)

print(f"引用音频 id 数: {len(ids)}")
if missing:
    print("缺失文件:")
    for m in missing:
        print(" ", m)
    sys.exit(1)

# 反向检查：目录里有但代码没引用的资产（提示，不失败）
unreferenced = []
for layer in ("bgm", "voice", "sfx"):
    d = os.path.join(AUDIO, layer)
    for f in os.listdir(d):
        if f.endswith(".ogg") and f"{layer}/{f[:-4]}" not in ids:
            unreferenced.append(f"{layer}/{f}")
if unreferenced:
    print("未被引用的资产（提示）:", ", ".join(sorted(unreferenced)))
print("OK：全部引用 id 均有 .ogg 与 .m4a")