from framework.core.base_api import BaseAPI
from framework.config.settings import Config

class BillingService(BaseAPI):
    def __init__(self):
        super().__init__(Config.CLOUD_BASE_URL, Config.CLOUD_AUTH_TOKEN)

    def fetch_billing_data(self, name: str = None, page_size: int = 500):
        endpoint = "/api/dcloudResourceApi/consumptions"
        params = {
            "page": 1,
            "pageSize": page_size,
            "exactMatch": "true"
        }
        if name:
            params["instanceName"] = name
            
        headers = self.get_common_headers("/admin/consumptions")
        data = self.request("GET", endpoint, params=params, headers=headers)
        
        # 提取数据项
        data_body = data.get("data", {})
        if isinstance(data_body, list):
            items = data_body
        else:
            items = data_body.get("list") or data_body.get("items") or []
            
        # 精准匹配校准 (如果接口过滤不准)
        if name:
            items = [item for item in items if str(item.get("instanceName", "")) == name]
            
        return items