#!/usr/bin/env python3
# -*- coding: UTF-8 -*-
# ----------------------------------------------------------------------------
# Copyright (c) Huawei Technologies Co., Ltd. 2026. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ----------------------------------------------------------------------------
"""PreToolUse hook: 角色越界文件保护（analyzer/reviewer 不改 adapter/bit_config/CLI/算法）。amct 量化 agent。"""

import fnmatch
import json
import logging
import os
import sys

logging.basicConfig(stream=sys.stderr, level=logging.WARNING, format="%(message)s")
logger = logging.getLogger(__name__)

# agent_type -> 不允许修改的文件模式
PROTECTED_PATTERNS = {
    "quant-analyzer": [
        "*.yaml",
        "*/common/models/llm/*",
        "*/amct_pytorch/cli/*",
        "*/algorithms/quant/*",
    ],
    "quant-reviewer": [
        "*.yaml",
        "*/common/models/llm/*",
        "*/amct_pytorch/cli/*",
        "*/algorithms/quant/*",
    ],
}


def matches_any(basename, full_path, patterns):
    for pat in patterns:
        if fnmatch.fnmatch(basename, pat) or fnmatch.fnmatch(full_path, pat):
            return True
    return False


def main():
    try:
        data = json.load(sys.stdin)
    except (json.JSONDecodeError, ValueError):
        # stdin JSON 异常（管道截断/编码错误）：放行，避免误阻断正常操作
        sys.exit(0)
    agent_type = data.get("agent_type", "")
    file_path = data.get("tool_input", {}).get("file_path", "")
    patterns = PROTECTED_PATTERNS.get(agent_type)
    if (
        patterns
        and file_path
        and matches_any(os.path.basename(file_path), file_path, patterns)
    ):
        logger.error(
            f"禁止：{agent_type} 不可修改 {file_path}"
            "（adapter 代码 / bit_config yaml / CLI / 算法实现）。改代码请走 quant-implementer。"
        )
        sys.exit(2)
    sys.exit(0)


if __name__ == "__main__":
    main()