# compareYamlFile/compareYamlFile.py
from PySide6 import QtCore
import yaml
import os

class CompareYamlFile(QtCore.QObject):
 def __init__(self):
 super().__init__()
 print("CompareYamlFile 初始化完成")

 def load_yaml(self, path: str):
 """读取并解析 YAML 文件,返回 dict"""
 if not os.path.isfile(path):
 raise FileNotFoundError(f"文件不存在: {path}")

 with open(path, "r", encoding="utf-8") as f:
 try:
 data = yaml.safe_load(f)
 return data if data else {}
 except yaml.YAMLError as e:
 raise ValueError(f"YAML 解析错误: {e}")

 def compare_dicts(self, d1, d2, path=""):
 diffs = {}

 # 如果是 dict:继续按键对比
 if isinstance(d1, dict) and isinstance(d2, dict):
 keys = set(d1.keys()) | set(d2.keys())
 for key in keys:
 full_key = f"{path}.{key}" if path else str(key)
 v1 = d1.get(key)
 v2 = d2.get(key)
 # 递归比较
 child_diff = self.compare_dicts(v1, v2, full_key)
 diffs.update(child_diff)
 return diffs

 # 如果是 list:按索引对比
 elif isinstance(d1, list) and isinstance(d2, list):
 max_len = max(len(d1), len(d2))
 for i in range(max_len):
 v1 = d1[i] if i < len(d1) else None
 v2 = d2[i] if i < len(d2) else None
 full_key = f"{path}[{i}]"
 child_diff = self.compare_dicts(v1, v2, full_key)
 diffs.update(child_diff)
 return diffs

 # 如果是基本类型(或无法再深入),直接对比值
 else:
 if d1 != d2:
 diffs[path] = {"file1": d1, "file2": d2}
 return diffs


 def compare_files(self, path1: str, path2: str):
 """比较两个 YAML 文件,返回差异字典"""
 abs_path1 = os.path.abspath(path1)
 abs_path2 = os.path.abspath(path2)
 print(f"file1 绝对路径: {abs_path1}")
 print(f"file2 绝对路径: {abs_path2}")

 yaml1 = self.load_yaml(path1)
 yaml2 = self.load_yaml(path2)
 diffs = self.compare_dicts(yaml1, yaml2)
 return diffs