import { config } from '../../config/index';

/** 获取售后单mock数据 */
function mockFetchRightsPreview(params) {
  console.log('[订单操作服务] 使用Mock数据获取售后预览', { 
    params,
    timestamp: new Date().toISOString()
  });
  
  const { delay } = require('../_utils/delay');
  const { genRightsPreview } = require('../../model/order/applyService');

  return delay().then(() => {
    const result = genRightsPreview(params);
    console.log('[订单操作服务] Mock售后预览数据生成完成', result);
    return result;
  });
}

/** 获取售后单数据 */
export function fetchRightsPreview(params) {
  console.log('[订单操作服务] 开始获取售后预览', { 
    params,
    useMock: config.useMock,
    timestamp: new Date().toISOString()
  });
  
  if (config.useMock) {
    console.log('[订单操作服务] 使用Mock模式获取售后预览');
    return mockFetchRightsPreview(params);
  }

  console.log('[订单操作服务] 使用真实API获取售后预览（暂未实现）');
  return new Promise((resolve) => {
    resolve('real api');
  });
}

/** 确认收货 */
export function dispatchConfirmReceived(orderNo) {
  console.log('[订单操作服务] 开始确认收货', { 
    orderNo,
    useMock: config.useMock,
    timestamp: new Date().toISOString()
  });
  
  if (config.useMock) {
    console.log('[订单操作服务] 使用Mock模式确认收货');
    const { delay } = require('../_utils/delay');
    return delay().then(() => {
      console.log('[订单操作服务] Mock确认收货完成', { orderNo });
      return { success: true, message: '确认收货成功' };
    });
  }

  return new Promise((resolve, reject) => {
    const token = wx.getStorageSync('token');
    console.log('[订单操作服务] 检查登录状态', { 
      hasToken: !!token,
      orderNo
    });
    
    if (!token) {
      console.error('[订单操作服务] 用户未登录');
      reject(new Error('未登录'));
      return;
    }

    if (!orderNo) {
      console.error('[订单操作服务] 缺少订单号');
      reject(new Error('缺少订单号'));
      return;
    }

    const requestUrl = `${config.apiBase}/orders/${orderNo}/confirm`;
    console.log('[订单操作服务] 发送确认收货API请求', { 
      url: requestUrl,
      orderNo
    });

    wx.request({
      url: requestUrl,
      method: 'POST',
      header: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/json'
      },
      success: (res) => {
        console.log('[订单操作服务] 确认收货API响应', { 
          statusCode: res.statusCode,
          dataCode: res.data?.code,
          message: res.data?.message,
          orderNo
        });
        
        if (res.statusCode === 200 && res.data.code === 200) {
          console.log('[订单操作服务] 确认收货成功', { orderNo });
          resolve({ success: true, message: '确认收货成功' });
        } else {
          const errorMsg = res.data?.message || '确认收货失败';
          console.error('[订单操作服务] 确认收货失败', { 
            statusCode: res.statusCode,
            dataCode: res.data?.code,
            message: errorMsg,
            orderNo
          });
          reject(new Error(errorMsg));
        }
      },
      fail: (err) => {
        console.error('[订单操作服务] 确认收货请求失败', { 
          error: err,
          orderNo,
          url: requestUrl,
          timestamp: new Date().toISOString()
        });
        reject(new Error('网络请求失败'));
      }
    });
  });
}

/** 获取可选的mock售后原因列表 */
function mockFetchApplyReasonList(params) {
  console.log('[订单操作服务] 使用Mock数据获取售后原因列表', { 
    params,
    timestamp: new Date().toISOString()
  });
  
  const { delay } = require('../_utils/delay');
  const { genApplyReasonList } = require('../../model/order/applyService');

  return delay().then(() => {
    const result = genApplyReasonList(params);
    console.log('[订单操作服务] Mock售后原因列表生成完成', { 
      reasonCount: result.data?.length || 0
    });
    return result;
  });
}

/** 获取可选的售后原因列表 */
export function fetchApplyReasonList(params) {
  console.log('[订单操作服务] 开始获取售后原因列表', { 
    params,
    useMock: config.useMock,
    timestamp: new Date().toISOString()
  });
  
  if (config.useMock) {
    console.log('[订单操作服务] 使用Mock模式获取售后原因列表');
    return mockFetchApplyReasonList(params);
  }

  console.log('[订单操作服务] 使用真实API获取售后原因列表（暂未实现）');
  return new Promise((resolve) => {
    resolve('real api');
  });
}

/** 发起mock售后申请 */
function mockDispatchApplyService(params) {
  console.log('[订单操作服务] 使用Mock数据发起售后申请', { 
    params,
    timestamp: new Date().toISOString()
  });
  
  const { delay } = require('../_utils/delay');
  const { applyService } = require('../../model/order/applyService');

  return delay().then(() => {
    const result = applyService(params);
    console.log('[订单操作服务] Mock售后申请完成', { 
      success: result.success,
      serviceId: result.data?.serviceId
    });
    return result;
  });
}

/** 发起售后申请 */
export function dispatchApplyService(params) {
  console.log('[订单操作服务] 开始发起售后申请', { 
    params,
    useMock: config.useMock,
    timestamp: new Date().toISOString()
  });
  
  if (config.useMock) {
    console.log('[订单操作服务] 使用Mock模式发起售后申请');
    return mockDispatchApplyService(params);
  }

  return new Promise((resolve, reject) => {
    const token = wx.getStorageSync('token');
    console.log('[订单操作服务] 检查登录状态', { 
      hasToken: !!token,
      orderNo: params.orderNo
    });
    
    if (!token) {
      console.error('[订单操作服务] 用户未登录');
      reject(new Error('未登录'));
      return;
    }

    if (!params.orderNo) {
      console.error('[订单操作服务] 缺少订单号', { params });
      reject(new Error('缺少订单号'));
      return;
    }

    const requestUrl = `${config.apiBase}/orders/${params.orderNo}/service`;
    console.log('[订单操作服务] 发送售后申请API请求', { 
      url: requestUrl,
      orderNo: params.orderNo,
      reason: params.reason,
      description: params.description
    });

    wx.request({
      url: requestUrl,
      method: 'POST',
      data: {
        reason: params.reason,
        description: params.description,
        images: params.images || [],
        type: params.type || 1 // 1-退款 2-退货退款
      },
      header: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/json'
      },
      success: (res) => {
        console.log('[订单操作服务] 售后申请API响应', { 
          statusCode: res.statusCode,
          dataCode: res.data?.code,
          message: res.data?.message,
          serviceId: res.data?.data?.serviceId,
          orderNo: params.orderNo
        });
        
        if (res.statusCode === 200 && res.data.code === 200) {
          console.log('[订单操作服务] 售后申请成功', { 
            orderNo: params.orderNo,
            serviceId: res.data.data?.serviceId
          });
          resolve({ 
            success: true, 
            message: '售后申请提交成功',
            data: res.data.data
          });
        } else {
          const errorMsg = res.data?.message || '售后申请失败';
          console.error('[订单操作服务] 售后申请失败', { 
            statusCode: res.statusCode,
            dataCode: res.data?.code,
            message: errorMsg,
            orderNo: params.orderNo
          });
          reject(new Error(errorMsg));
        }
      },
      fail: (err) => {
        console.error('[订单操作服务] 售后申请请求失败', { 
          error: err,
          orderNo: params.orderNo,
          url: requestUrl,
          timestamp: new Date().toISOString()
        });
        reject(new Error('网络请求失败'));
      }
    });
  });
}