# -*- coding: utf-8 -*-
"""退款记录任务"""

import json

from .base_task import BaseTask
from loaders.facts.refund import RefundLoader
from models.parsers import TypeParser


class RefundsTask(BaseTask):
    """同步支付退款流水"""

    def get_task_code(self) -> str:
        return "REFUNDS"

    def execute(self) -> dict:
        self.logger.info("开始执行 REFUNDS 任务")
        window_start, window_end, _ = self._get_time_window()
        params = {
            "storeId": self.config.get("app.store_id"),
            "startTime": TypeParser.format_timestamp(window_start, self.tz),
            "endTime": TypeParser.format_timestamp(window_end, self.tz),
        }

        try:
            records, _ = self.api.get_paginated(
                endpoint="/Pay/RefundList",
                params=params,
                page_size=self.config.get("api.page_size", 200),
                data_path=(),
            )

            parsed = []
            for raw in records:
                mapped = self._parse_refund(raw)
                if mapped:
                    parsed.append(mapped)

            loader = RefundLoader(self.db)
            inserted, updated, skipped = loader.upsert_refunds(parsed)

            self.db.commit()
            counts = {
                "fetched": len(records),
                "inserted": inserted,
                "updated": updated,
                "skipped": skipped,
                "errors": 0,
            }
            self.logger.info(f"REFUNDS 完成: {counts}")
            return self._build_result("SUCCESS", counts)
        except Exception:
            self.db.rollback()
            self.logger.error("REFUNDS 失败", exc_info=True)
            raise

    def _parse_refund(self, raw: dict) -> dict | None:
        refund_id = TypeParser.parse_int(raw.get("id"))
        if not refund_id:
            self.logger.warning("跳过缺少 id 的退款记录: %s", raw)
            return None

        store_id = self.config.get("app.store_id")
        return {
            "store_id": store_id,
            "refund_id": refund_id,
            "site_id": TypeParser.parse_int(raw.get("site_id") or raw.get("siteId")),
            "tenant_id": TypeParser.parse_int(raw.get("tenant_id") or raw.get("tenantId")),
            "pay_amount": TypeParser.parse_decimal(raw.get("pay_amount")),
            "pay_status": raw.get("pay_status"),
            "pay_time": TypeParser.parse_timestamp(
                raw.get("pay_time") or raw.get("payTime"), self.tz
            ),
            "create_time": TypeParser.parse_timestamp(
                raw.get("create_time") or raw.get("createTime"), self.tz
            ),
            "relate_type": raw.get("relate_type"),
            "relate_id": TypeParser.parse_int(raw.get("relate_id")),
            "payment_method": raw.get("payment_method"),
            "refund_amount": TypeParser.parse_decimal(raw.get("refund_amount")),
            "action_type": raw.get("action_type"),
            "pay_terminal": raw.get("pay_terminal"),
            "operator_id": TypeParser.parse_int(raw.get("operator_id")),
            "channel_pay_no": raw.get("channel_pay_no"),
            "channel_fee": TypeParser.parse_decimal(raw.get("channel_fee")),
            "is_delete": raw.get("is_delete"),
            "member_id": TypeParser.parse_int(raw.get("member_id")),
            "member_card_id": TypeParser.parse_int(raw.get("member_card_id")),
            "raw_data": json.dumps(raw, ensure_ascii=False),
        }