# -*- coding: utf-8 -*-
"""会员ETL任务"""
import json
from .base_task import BaseTask
from loaders.dimensions.member import MemberLoader
from models.parsers import TypeParser

class MembersTask(BaseTask):
    """会员ETL任务"""
    
    def get_task_code(self) -> str:
        return "MEMBERS"
    
    def execute(self) -> dict:
        """执行会员ETL"""
        self.logger.info(f"开始执行 {self.get_task_code()} 任务")
        
        params = {
            "storeId": self.config.get("app.store_id"),
        }
        
        try:
            records, pages_meta = self.api.get_paginated(
                endpoint="/MemberProfile/GetTenantMemberList",
                params=params,
                page_size=self.config.get("api.page_size", 200),
                data_path=("data",)
            )
            
            parsed_records = []
            for rec in records:
                parsed = self._parse_member(rec)
                if parsed:
                    parsed_records.append(parsed)
            
            loader = MemberLoader(self.db)
            store_id = self.config.get("app.store_id")
            inserted, updated, skipped = loader.upsert_members(parsed_records, store_id)
            
            self.db.commit()
            
            counts = {
                "fetched": len(records),
                "inserted": inserted,
                "updated": updated,
                "skipped": skipped,
                "errors": 0
            }
            
            self.logger.info(f"{self.get_task_code()} 完成: {counts}")
            return self._build_result("SUCCESS", counts)
            
        except Exception as e:
            self.db.rollback()
            self.logger.error(f"{self.get_task_code()} 失败", exc_info=True)
            raise
    
    def _parse_member(self, raw: dict) -> dict:
        """解析会员记录"""
        try:
            return {
                "store_id": self.config.get("app.store_id"),
                "member_id": TypeParser.parse_int(raw.get("memberId")),
                "member_name": raw.get("memberName"),
                "phone": raw.get("phone"),
                "balance": TypeParser.parse_decimal(raw.get("balance")),
                "status": raw.get("status"),
                "register_time": TypeParser.parse_timestamp(raw.get("registerTime"), self.tz),
                "raw_data": json.dumps(raw, ensure_ascii=False)
            }
        except Exception as e:
            self.logger.warning(f"解析会员记录失败: {e}, 原始数据: {raw}")
            return None