package com.kym.miniapp.controller;


import cn.dev33.satoken.annotation.SaIgnore;
import com.kym.common.annotation.ApiLog;
import com.kym.common.annotation.SysLog;
import com.kym.common.utils.wx.WxPbUtil;
import com.kym.common.R;
import com.kym.service.MpRelationService;
import com.kym.service.wechat.WeixinMPService;
import jakarta.servlet.http.HttpServletRequest;
import com.alibaba.fastjson2.JSON;
import me.chanjar.weixin.mp.api.WxMpService;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.error.WxErrorException;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.io.PrintWriter;


@Controller
@RequestMapping("wx")
@Slf4j
public class WeixinMPController {

    private final WeixinMPService weixinMPService;
    private final MpRelationService mpRelationService;
    private final WxMpService wxMpService;

    public WeixinMPController(WeixinMPService weixinMPService, MpRelationService mpRelationService,
                               WxMpService wxMpService) {
        this.weixinMPService = weixinMPService;
        this.mpRelationService = mpRelationService;
        this.wxMpService = wxMpService;
    }

    /**
     * 消息通知（订阅、用户消息）
     */
    @PostMapping(value = "notify", produces = MediaType.TEXT_XML_VALUE)
    @ApiLog(value = "微信公众号服务器推送消息", ignoreParams = true)
    public void handleMessage(HttpServletRequest request, HttpServletResponse response) {
        weixinMPService.handleWxMPNotify(request, response);
    }

    /**
     * 微信服务器token验证
     */
    @GetMapping(value = "notify")
    @SaIgnore
    @SysLog("微信服务器token验证")
    public void checkSign(HttpServletResponse response, String signature, String timestamp, String nonce, String echostr) {
        String responseVal = echostr;
        try {

            boolean resp = WxPbUtil.checkSign(signature, timestamp, nonce);
            if (!resp) {
                responseVal = "failure";
                log.error("wxpb check sign ERR!!!!");
            }
        } catch (Exception e) {
            responseVal = "failure";
        } finally {
            try {
                PrintWriter writer = response.getWriter();
                writer.print(responseVal);
                writer.flush();
                writer.close();
            } catch (Exception e) {
                log.error(e.getMessage(), e);
            }
        }
    }

    /**
     * 导出当前公众号自定义菜单结构（调试用）
     */
    @GetMapping(value = "/exportMenu")
    @ResponseBody
    public R<?> exportMenu() {
        try {
            var menu = wxMpService.getMenuService().menuGet();
            return R.success(JSON.toJSONString(menu));
        } catch (WxErrorException e) {
            log.error("导出菜单失败", e);
            return R.failed(-1, "导出失败: " + e.getMessage());
        }
    }

    /**
     * 通过 API 创建公众号自定义菜单（服务器推送启用后使用）
     */
    @PostMapping(value = "/createMenu")
    @ResponseBody
    public R<?> createMenu() {
        try {
            String menuJson = "{\"button\":[{\"type\":\"view\",\"name\":\"停车减免\",\"url\":\"https://cloud.yeswash.cn/parking.html\"},{\"type\":\"view\",\"name\":\"商家入口\",\"url\":\"https://cloud.yeswash.cn/h5#/\"}]}";
            log.info("创建菜单: {}", menuJson);
            String result = wxMpService.getMenuService().menuCreate(menuJson);
            log.info("菜单创建结果: {}", result);
            return R.success(result);
        } catch (WxErrorException e) {
            log.error("创建菜单失败: {}", e.getMessage(), e);
            return R.failed(e.getError().getErrorCode(), e.getError().getErrorMsg());
        } catch (Exception e) {
            log.error("创建菜单异常", e);
            return R.failed(500, e.getMessage());
        }
    }

    /**
     * 手动同步公众号关注用户（一次性触发）
     */
    @GetMapping(value = "/syncMpUsers")
    @SaIgnore
    @ResponseBody
    public R<?> syncMpUsers() {
        try {
            mpRelationService.batchBindMpUser();
            return R.success("同步完成");
        } catch (WxErrorException e) {
            log.error("手动同步公众号用户失败", e);
            return R.failed(-1, "同步失败: " + e.getMessage());
        }
    }

}