import { getAfterSaleDetailMethod, cancelAfterSaleMethod, applyAfterSaleMethod, updateAfterSaleMethod } from "../../request";

// progress 数字转页面状态
const progressToState: Record<string, string> = {
  '0': 'processing',
  '1': 'revoked',
  '2': 'rejected',
  '3': 'approved',
  '4': 'completed',
};

Page({
  data: {
    id: '',
    recordId: '',
    aftersaleId: '',
    pageTitle: '商家处理',
    refundState: '',
    days: '00',
    hours: '00',
    minutes: '00',
    seconds: '00',
    goods: {
      name: "",
      meta1: "",
      price: "",
      image: "",
    },
    refundDetail: {
      reason: "",
      amount: "",
      finishTime: "",
      applyTime: "",
      refundNo: "",
      updateTime:""
    },
    // 协商历史标题和内容
    negotiateTitle: "",
    negotiateContent: "",
    // 拒绝状态处理截止时间
    handleEndTime: "",
    refundDestination: {
      type: '退回微信',
      account: '',
    },
    // 弹窗状态
    refundReasonPopupVisible: false,
    refundConfirmPopupVisible: false,
    refundProofPopupVisible: false,
    refundStatus: '',
    refundAction: '', // 'modify' 修改申请 | 'reApply' 再次申请
    refundMaxAmount: '0',
    refundProofImages: [] as string[],
    refundDesc: '',
    // 接口提交所需原始字段
    rawDetail: {} as any,
  },

  timer: null as any,

  onLoad(options: any) {
    if (options.id) {
      this.setData({ id: options.id, recordId: options.recordId || '' });
      this.loadDetail(options.id);
    }
  },

  onShow() {
    if (this.data.id && this.data.refundState) {
      this.loadDetail(this.data.id);
    }
  },

  async loadDetail(id: string) {
    wx.showLoading({ title: '加载中' });
    try {
      const res = await getAfterSaleDetailMethod(id);
      const detail = (res as any)?.data;
      if (!detail) return;

      const refundState = progressToState[String(detail.progress)] || 'processing';

      this.setData({
        rawDetail: detail,
        aftersaleId: detail.id || '',
        refundState,
        goods: {
          name: detail.conditioningProgramName || '',
          meta1: detail.convertDose ? `${detail.convertDose}${detail.convertUnit || '次'}` : '',
          price: String(detail.applyAmount || 0),
          image: detail.conditioningProgramPhoto || '',
        },
        refundDetail: {
          reason: detail.reason || '',
          amount: String(detail.applyAmount || 0),
          finishTime: detail.finishTime || '',
          applyTime: detail.applyTime || '',
          refundNo: detail.ref || '',
          updateTime:detail.updateTime || ''
        },
        negotiateTitle: detail.title || '',
        negotiateContent: (() => {
          const c = detail.content || '';
          try { if (c && JSON.parse(c)) return ''; } catch (e) { /* 不是JSON，保留原文 */ }
          return c;
        })(),
        handleEndTime: detail.handleEndTime || '',
        refundMaxAmount: String(detail.applyAmount || 0),
        refundProofImages: detail.voucherImgs || [],
        refundDesc: detail.remark || '',
      });

      this.updatePageTitle();
      if (refundState === 'processing' || refundState === 'rejected') {
        this.startCountdown();
      }
    } catch (error: any) {
      wx.showToast({ title: error.errMsg || '获取详情失败', icon: 'none' });
    }
    wx.hideLoading();
  },

  updatePageTitle() {
    let title = '商家处理';
    if (this.data.refundState === 'revoked') {
      title = '撤销申请';
    } else if (this.data.refundState === 'completed') {
      title = '退款完成';
    }
    this.setData({ pageTitle: title });
  },

  onUnload() {
    if (this.timer) {
      clearInterval(this.timer);
    }
  },

  startCountdown() {
    if (this.timer) clearInterval(this.timer);

    const setTime = (diff: number) => {
      if (diff <= 0) {
        this.setData({ days: '00', hours: '00', minutes: '00', seconds: '00' });
        if (this.timer) {
          clearInterval(this.timer);
          this.timer = null;
        }
        // 拒绝状态倒计时结束，清除截止时间，触发按钮切换
        if (this.data.refundState === 'rejected' && this.data.handleEndTime) {
          this.setData({ handleEndTime: '' });
        }
        return;
      }
      const d = Math.floor(diff / (1000 * 60 * 60 * 24));
      const h = Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
      const m = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60));
      const s = Math.floor((diff % (1000 * 60)) / 1000);
      this.setData({
        days: d < 10 ? '0' + d : String(d),
        hours: h < 10 ? '0' + h : String(h),
        minutes: m < 10 ? '0' + m : String(m),
        seconds: s < 10 ? '0' + s : String(s),
      });
    };

    if (this.data.refundState === 'rejected' && this.data.handleEndTime) {
      // rejected：倒计时到处理截止时间
      const target = new Date(this.data.handleEndTime.replace(/-/g, '/')).getTime();
      const update = () => setTime(target - new Date().getTime());
      update();
      this.timer = setInterval(update, 1000);
    } else {
      // processing：已过去的时间
      const applyTime = new Date(this.data.refundDetail.applyTime.replace(/-/g, '/')).getTime();
      const update = () => setTime(new Date().getTime() - applyTime);
      update();
      this.timer = setInterval(update, 1000);
    }
  },

  // 修改申请：打开确认弹窗
  onModify() {
    this.setData({ refundAction: 'modify', refundConfirmPopupVisible: true });
  },

  onRefundConfirmClose() {
    this.setData({ refundConfirmPopupVisible: false });
  },

  onChangeRefundStatus(e: any) {
    this.setData({ refundStatus: e.detail.status });
  },

  onOpenRefundReasonAgain() {
    this.setData({
      refundConfirmPopupVisible: false,
      refundReasonPopupVisible: true
    });
  },

  onOpenRefundProofEditor() {
    this.setData({
      refundConfirmPopupVisible: false,
      refundProofPopupVisible: true
    });
  },

  onRefundAmountConfirm(e: any) {
    this.setData({
      ['refundDetail.amount']: e.detail.amount
    });
  },

  async onSubmitRefundApply() {
    if (!this.data.refundProofImages.length) {
      wx.showToast({ title: '请上传凭证图片', icon: 'none' });
      return;
    }
    wx.showLoading({ title: '正在提交' });
    const { rawDetail, refundStatus, refundDetail, refundProofImages, refundDesc, recordId, id, aftersaleId, refundAction } = this.data;
    const params = {
      patientConditioningRecordId: recordId,
      patientConditioningProgramId: id,
      type: rawDetail.type,
      ...(rawDetail.sellType === '1' ? { receiptStatus: refundStatus || rawDetail.receiptStatus } : {}),
      reason: refundDetail.reason,
      applyAmount: Number(refundDetail.amount) || 0,
      voucherImgs: refundProofImages,
      remark: refundDesc,
    };
    try {
      if (refundAction === 'modify') {
        await updateAfterSaleMethod(Number(aftersaleId), params);
      } else {
        await applyAfterSaleMethod(params);
      }
      this.setData({ refundConfirmPopupVisible: false });
      wx.navigateTo({
        url: '/module/order/pages/refund-success/refund-success'
      });
    } catch (error: any) {
      wx.showToast({ title: error.errMsg || '提交失败', icon: 'none' });
    }
    wx.hideLoading();
  },

  onRefundReasonPopupClose() {
    this.setData({ refundReasonPopupVisible: false });
  },

  onRefundReasonNext(e: any) {
    this.setData({
      ['refundDetail.reason']: e.detail.reason,
      refundReasonPopupVisible: false,
      refundConfirmPopupVisible: true
    });
  },

  onRefundProofPopupClose() {
    this.setData({ refundProofPopupVisible: false, refundConfirmPopupVisible: true });
  },

  onRefundProofSubmit(e: any) {
    this.setData({
      refundProofImages: e.detail.images,
      refundDesc: e.detail.desc || '',
      refundProofPopupVisible: false,
      refundConfirmPopupVisible: true
    });
  },

  onViewHistory() {
    wx.navigateTo({
      url: `/module/order/pages/negotiation-history/negotiation-history?id=${this.data.aftersaleId}`
    });
  },

  onCopyRefundNo() {
    wx.setClipboardData({
      data: this.data.refundDetail.refundNo,
      success: () => {
        wx.showToast({ title: '已复制', icon: 'none' });
      }
    });
  },

  onCallService() {
    wx.makePhoneCall({
      phoneNumber: '400-123-4567',
      fail: () => { }
    });
  },

  onReApply() {
    this.setData({ refundAction: 'reApply', refundConfirmPopupVisible: true });
  },

  onRevoke() {
    wx.showModal({
      title: '撤销退款申请',
      content: '撤销退款申请后，可以再次发起退款申请（总共可发起2次）',
      confirmText: '确定撤销',
      cancelText: '暂不撤销',
      success: async (res) => {
        if (res.confirm) {
          try {
            await cancelAfterSaleMethod(Number(this.data.aftersaleId));
            wx.showToast({ title: '已撤销', icon: 'success' });
            setTimeout(() => {
              wx.redirectTo({
                url: '/module/article/pages/success-page/success-page?title=撤销退款申请成功'
              });
            }, 1500);
          } catch (error: any) {
            wx.showToast({ title: error.errMsg || '撤销失败', icon: 'none' });
          }
        }
      }
    });
  }
});