package com.tourguide.common.huifu;

import com.alibaba.fastjson.JSONObject;
import com.tourguide.modules.order.service.HuifuPaymentCallbackService;
import com.tourguide.modules.order.service.HuifuRefundCallbackService;
import com.tourguide.modules.finance.service.GuideWithdrawalService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * 斗拱回调入口。
 *
 * 备注：该控制器只做参数校验、验签和日志记录，订单状态落库应在后续服务层按 req_seq_id 幂等处理。
 */
@RestController
@RequestMapping("/base/dougong")
public class DouGongNotifyController {
    private static final Logger log = LoggerFactory.getLogger(DouGongNotifyController.class);

    private final HuifuCallbackVerifier callbackVerifier;
    private final HuifuPaymentCallbackService paymentCallbackService;
    private final HuifuRefundCallbackService refundCallbackService;
    private final GuideWithdrawalService withdrawalService;

    public DouGongNotifyController(HuifuCallbackVerifier callbackVerifier,
                                   HuifuPaymentCallbackService paymentCallbackService,
                                   HuifuRefundCallbackService refundCallbackService,
                                   GuideWithdrawalService withdrawalService) {
        this.callbackVerifier = callbackVerifier;
        this.paymentCallbackService = paymentCallbackService;
        this.refundCallbackService = refundCallbackService;
        this.withdrawalService = withdrawalService;
    }

    @PostMapping("/pay-notify")
    public String payNotify(@RequestParam(value = "sign", required = false) String sign,
                            @RequestParam(value = "resp_data", required = false) String respData) {
        try {
            JSONObject body = callbackVerifier.verify(sign, respData);
            paymentCallbackService.handle(body);
            return "200";
        } catch (Exception exception) {
            log.warn("dougong-pay callback failed: {}", exception.getMessage());
            return "FAIL";
        }
    }

    @PostMapping("/refund-notify")
    public String refundNotify(@RequestParam(value = "sign", required = false) String sign,
                               @RequestParam(value = "resp_data", required = false) String respData) {
        try {
            JSONObject body = callbackVerifier.verify(sign, respData);
            refundCallbackService.handle(body);
            return "200";
        } catch (Exception exception) {
            log.warn("dougong-refund callback failed: {}", exception.getMessage());
            return "FAIL";
        }
    }

    @PostMapping("/refund-logistics")
    public String refundLogistics(@RequestParam(value = "sign", required = false) String sign,
                                  @RequestParam(value = "resp_data", required = false) String respData) {
        return handleNotify("dougong-refund-logistics", sign, respData);
    }

    @PostMapping("/refund-crosscity")
    public String refundCrossCity(@RequestParam(value = "sign", required = false) String sign,
                                  @RequestParam(value = "resp_data", required = false) String respData) {
        return handleNotify("dougong-refund-crosscity", sign, respData);
    }

    @PostMapping("/encashment")
    public String encashment(@RequestParam(value = "sign", required = false) String sign,
                             @RequestParam(value = "resp_data", required = false) String respData) {
        try {
            JSONObject body = callbackVerifier.verify(sign, respData);
            withdrawalService.handleCallback(body);
            return "200";
        } catch (Exception exception) {
            log.warn("dougong-encashment callback failed: {}", exception.getMessage());
            return "FAIL";
        }
    }

    private String handleNotify(String bizName, String sign, String respData) {
        try {
            JSONObject body = callbackVerifier.verify(sign, respData);
            log.info("{} verified, req_seq_id={}, org_req_seq_id={}, trans_stat={}", bizName,
                    body.getString("req_seq_id"), body.getString("org_req_seq_id"), body.getString("trans_stat"));
            return "200";
        } catch (Exception exception) {
            log.warn("{} callback failed: {}", bizName, exception.getMessage());
            return "FAIL";
        }
    }
}