"""检查模板中所有图层的渲染顺序（z-order）"""
import zipfile, re, os

TEMPLATE_DIR = r"F:\project\xian\xian_algorithm_new\app\data\template\rainfall"
fname = "暴雨内涝潜在隐患点及人口分布图.qgz"
path = os.path.join(TEMPLATE_DIR, fname)

z = zipfile.ZipFile(path)
qgs_name = [n for n in z.namelist() if n.endswith('.qgs')][0]
content = z.read(qgs_name).decode('utf-8')

# 提取所有 maplayer 块（保持顺序 — 这就是渲染顺序）
maplayer_re = re.compile(r'<maplayer[^>]*>(.*?)</maplayer>', re.DOTALL)

print(f"模板: {fname}")
print(f"{'#':>3s} {'图层名':20s} {'类型':10s} {'可见':4s} {'表名'}")
print("-" * 80)

for i, m in enumerate(maplayer_re.finditer(content)):
    block = m.group(1)
    
    # 图层名
    name_m = re.search(r'<layername>([^<]+)</layername>', block)
    name = name_m.group(1) if name_m else '?'
    
    # provider
    provider_m = re.search(r'<provider[^>]*>(\w+)</provider>', block)
    provider = provider_m.group(1) if provider_m else '?'
    
    # datasource table
    ds_m = re.search(r'<datasource>(.*?)</datasource>', block, re.DOTALL)
    ds = ds_m.group(1).strip() if ds_m else ''
    table_m = re.search(r'table="(\w+)"\."(\w+)"', ds)
    table = f"{table_m.group(1)}.{table_m.group(2)}" if table_m else '?'
    
    # 可见性
    visible = 'Y' if 'visible="1"' in m.group(0) or 'visible="1"' in block else 'N'
    
    # 判断图层类型
    is_static = table in [
        'base.rivers', 'base.river', 'base.sx', 'base.sx_capital',
        'base.sx_street', 'base.sx_xa_county', 'base.sx_xa_county_boundary',
        'base.sx_zb_county_boundary', 'base.sx_zb_city', 'base.sx_zb_county',
        'base.active_fault', 'base.traffic_expressway', 'base.traffic_provincial',
        'base.traffic_railway', 'base.traffic_township', 'base.traffic_trunk_line',
    ]
    layer_type = "底图" if is_static else "动态"
    
    marker = " <<<" if not is_static and provider == 'postgres' else ""
    print(f"{i+1:>3d} {name:20s} {provider:10s} {visible:4s} {table:35s} [{layer_type}]{marker}")

print()
print("提示: 图层按从上到下的顺序渲染（序号小的在底层，序号大的在顶层）")
print("动态图层如果在底图下方，会被底图完全遮盖")