package org.imooc.controller.api;

import java.util.List;

import javax.annotation.Resource;

import org.imooc.bean.Page;

import org.imooc.constant.ApiCodeEnum;

import org.imooc.dto.AdDto;

import org.imooc.dto.ApiCodeDto;

import org.imooc.dto.BusinessDto;

import org.imooc.dto.BusinessListDto;

import org.imooc.dto.CommentForSubmitDto;

import org.imooc.dto.CommentListDto;

import org.imooc.dto.OrderForBuyDto;

import org.imooc.dto.OrdersDto;

import org.imooc.service.AdService;

import org.imooc.service.BusinessService;

import org.imooc.service.CommentService;

import org.imooc.service.MemberService;

import org.imooc.service.OrdersService;

import org.imooc.util.CommonUtil;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RequestParam;

import org.springframework.web.bind.annotation.RestController;

@RestController

@RequestMapping("/api")

public class ApiController {

@Autowired

private AdService adService;

@Resource

private BusinessService businessService;

@Resource

private MemberService memberService;

@Resource

private OrdersService ordersService;

@Resource

private CommentService commentService;

@Value("${ad.number}")

private int adNumber;

@Value("${businessHome.number}")

private int businessHomeNumber;

@Value("${businessSearch.number}")

private int businessSearchNumber;

/**

* 首页 —— 广告（超值特惠）

*/

@RequestMapping(value = "/homead", method = RequestMethod.GET)

public List<AdDto> homead() {

AdDto adDto = new AdDto();

adDto.getPage().setPageNumber(adNumber);

return adService.searchByPage(adDto);

}

/**

* 首页 —— 推荐列表（猜你喜欢）

*/

@RequestMapping(value = "/homelist/{city}/{page.currentPage}", method = RequestMethod.GET)

public BusinessListDto homelist(BusinessDto businessDto) {

businessDto.getPage().setPageNumber(businessHomeNumber);

return businessService.searchByPageForApi(businessDto);

}

/**

* 搜索结果页 - 搜索结果 - 三个参数

*/

@RequestMapping(value = "/search/{page.currentPage}/{city}/{category}/{keyword}", method = RequestMethod.GET)

public BusinessListDto searchByKeyword(BusinessDto businessDto) {

businessDto.getPage().setPageNumber(businessSearchNumber);

return businessService.searchByPageForApi(businessDto);

}

/**

* 搜索结果页 - 搜索结果 - 两个参数

*/

@RequestMapping(value = "/search/{page.currentPage}/{city}/{category}", method = RequestMethod.GET)

public BusinessListDto search(BusinessDto businessDto) {

businessDto.getPage().setPageNumber(businessSearchNumber);

return businessService.searchByPageForApi(businessDto);

}

/**

* 详情页 - 商户信息

*/

@RequestMapping(value = "/detail/info/{id}", method = RequestMethod.GET)

public BusinessDto detail(@PathVariable("id") Long id) {

return businessService.getById(id);

}

/**

* 详情页 - 用户评论

*/

@RequestMapping(value = "/detail/comment/{currentPage}/{businessId}", method = RequestMethod.GET)

public CommentListDto detail(@PathVariable("businessId") Long businessId,Page page) {

return commentService.getListByBusinessId(businessId,page);

}

/**

* 订单列表

*/

@RequestMapping(value = "/orderlist/{username}", method = RequestMethod.GET)

public List<OrdersDto> orderlist(@PathVariable("username") Long username) {

// 根据手机号取出会员ID

Long memberId = memberService.getIdByPhone(username);

return ordersService.getListByMemberId(memberId);

}

/**

* 提交评论

*/

@RequestMapping(value = "/submitComment", method = RequestMethod.POST)

public ApiCodeDto submitComment(CommentForSubmitDto dto) {

ApiCodeDto result;

// TODO 需要完成的步骤：

// 1、校验登录信息：token、手机号

Long phone = memberService.getPhone(dto.getToken());

if (phone != null && phone.equals(dto.getUsername())) {

// 2、根据手机号取出会员ID

Long memberId = memberService.getIdByPhone(phone);

// 3、根据提交上来的订单ID获取对应的会员ID，校验与当前登录的会员是否一致

OrdersDto ordersDto = ordersService.getById(dto.getId());

if(ordersDto.getMemberId().equals(memberId)) {

// 4、保存评论

commentService.add(dto);

result = new ApiCodeDto(ApiCodeEnum.SUCCESS);

// TODO

// 5、还有一件重要的事未做

} else {

result = new ApiCodeDto(ApiCodeEnum.NO_AUTH);

}

} else {

result = new ApiCodeDto(ApiCodeEnum.NOT_LOGGED);

}

return result;

}

/**

* 根据手机号下发短信验证码

*/

@RequestMapping(value = "/sms", method = RequestMethod.POST)

public ApiCodeDto sms(@RequestParam("username") Long username) {

ApiCodeDto dto;

// 1、验证用户手机号是否存在（是否注册过）

if (memberService.exists(username)) {

// 2、生成6位随机数

String code = String.valueOf(CommonUtil.random(6));

// 3、保存手机号与对应的md5(6位随机数)（一般保存1分钟，1分钟后失效）

if (memberService.saveCode(username, code)) {

// 4、调用短信通道，将明文6位随机数发送到对应的手机上。

if (memberService.sendCode(username, code)) {

dto = new ApiCodeDto(ApiCodeEnum.SUCCESS.getErrno(), code);

} else {

dto = new ApiCodeDto(ApiCodeEnum.SEND_FAIL);

}

} else {

dto = new ApiCodeDto(ApiCodeEnum.REPEAT_REQUEST);

}

} else {

dto = new ApiCodeDto(ApiCodeEnum.USER_NOT_EXISTS);

}

return dto;

}

/**

* 会员登录

*/

@RequestMapping(value = "/login", method = RequestMethod.POST)

public ApiCodeDto login(@RequestParam("username") Long username, @RequestParam("code") String code) {

ApiCodeDto dto;

// 1、用手机号取出保存的md5(6位随机数)，能取到，并且与提交上来的code值相同为校验通过

String saveCode = memberService.getCode(username);

if (saveCode != null) {

if (saveCode.equals(code)) {

// 2、如果校验通过，生成一个32位的token

String token = CommonUtil.getUUID();

// 3、保存手机号与对应的token（一般这个手机号中途没有与服务端交互的情况下，保持10分钟）

memberService.saveToken(token, username);

// 4、将这个token返回给前端

dto = new ApiCodeDto(ApiCodeEnum.SUCCESS);

dto.setToken(token);

} else {

dto = new ApiCodeDto(ApiCodeEnum.CODE_ERROR);

}

} else {

dto = new ApiCodeDto(ApiCodeEnum.CODE_INVALID);

}

return dto;

}

/**

* 买单

*/

@RequestMapping(value = "/order", method = RequestMethod.POST)

public ApiCodeDto order(OrderForBuyDto orderForBuyDto) {

ApiCodeDto dto;

// 1、校验token是否有效（缓存中是否存在这样一个token，并且对应存放的会员信息（这里指的是手机号）与提交上来的信息一致）

Long phone = memberService.getPhone(orderForBuyDto.getToken());

if (phone != null && phone.equals(orderForBuyDto.getUsername())) {

// 2、根据手机号获取会员主键

Long memberId = memberService.getIdByPhone(phone);

// 3、保存订单

OrdersDto ordersDto = new OrdersDto();

ordersDto.setNum(orderForBuyDto.getNum());

ordersDto.setPrice(orderForBuyDto.getPrice());

ordersDto.setBusinessId(orderForBuyDto.getId());

ordersDto.setMemberId(memberId);

ordersService.add(ordersDto);

dto = new ApiCodeDto(ApiCodeEnum.SUCCESS);

// 4、TODO 还有一件重要的事未做

} else {

dto = new ApiCodeDto(ApiCodeEnum.NOT_LOGGED);

}

return dto;

}

}