# -*- coding: utf-8 -*-
"""平台券核销任务"""

import json

from .base_task import BaseTask
from loaders.facts.coupon_usage import CouponUsageLoader
from models.parsers import TypeParser


class CouponUsageTask(BaseTask):
    """同步平台券验证/核销记录"""

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

    def execute(self) -> dict:
        self.logger.info("开始执行 COUPON_USAGE 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="/Coupon/UsageList",
                params=params,
                page_size=self.config.get("api.page_size", 200),
                data_path=(),
            )

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

            loader = CouponUsageLoader(self.db)
            inserted, updated, skipped = loader.upsert_coupon_usage(parsed)

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

    def _parse_usage(self, raw: dict) -> dict | None:
        usage_id = TypeParser.parse_int(raw.get("id"))
        if not usage_id:
            self.logger.warning("跳过缺少 id 的券核销记录: %s", raw)
            return None

        store_id = self.config.get("app.store_id")
        return {
            "store_id": store_id,
            "usage_id": usage_id,
            "coupon_code": raw.get("coupon_code"),
            "coupon_channel": raw.get("coupon_channel"),
            "coupon_name": raw.get("coupon_name"),
            "sale_price": TypeParser.parse_decimal(raw.get("sale_price")),
            "coupon_money": TypeParser.parse_decimal(raw.get("coupon_money")),
            "coupon_free_time": TypeParser.parse_int(raw.get("coupon_free_time")),
            "use_status": raw.get("use_status"),
            "create_time": TypeParser.parse_timestamp(
                raw.get("create_time") or raw.get("createTime"), self.tz
            ),
            "consume_time": TypeParser.parse_timestamp(
                raw.get("consume_time") or raw.get("consumeTime"), self.tz
            ),
            "operator_id": TypeParser.parse_int(raw.get("operator_id")),
            "operator_name": raw.get("operator_name"),
            "table_id": TypeParser.parse_int(raw.get("table_id")),
            "site_order_id": TypeParser.parse_int(raw.get("site_order_id")),
            "group_package_id": TypeParser.parse_int(raw.get("group_package_id")),
            "coupon_remark": raw.get("coupon_remark"),
            "deal_id": raw.get("deal_id"),
            "certificate_id": raw.get("certificate_id"),
            "verify_id": raw.get("verify_id"),
            "is_delete": raw.get("is_delete"),
            "raw_data": json.dumps(raw, ensure_ascii=False),
        }