package com.llisoft.service.pay.controller;

import java.util.Objects;

import javax.servlet.http.HttpServletRequest;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.llisoft.common.exception.MtaException;
import com.llisoft.common.util.JsonUtil;
import com.llisoft.service.pay.entity.Order;
import com.llisoft.service.pay.service.AppService;
import com.llisoft.service.pay.service.OrderService;
import com.llisoft.service.pay.service.PayService;
import com.llisoft.service.pay.vo.OrderRequestVo;
import com.llisoft.service.pay.vo.OrderResponseVo;


/**
 * 订单
 */
@Controller
@RequestMapping("/order")
public class OrderController{
	
	private Logger logger = LoggerFactory.getLogger(OrderController.class);
	
	@Autowired
	private OrderService orderService;
	@Autowired
	private PayService payService;
	@Autowired
	private AppService appService;
	
	
	/**
	 * 添加订单
	 * 暂时不加认证签名
	 * @param request
	 */
	@PostMapping
	public @ResponseBody OrderResponseVo add(OrderRequestVo vo) throws MtaException{
		logger.info("添加订单请求: {}", JsonUtil.toJson(vo));
		if(Objects.isNull(vo.getAppkey()) || vo.getAppkey().trim().isEmpty() || vo.getMoney()<=0) {
			throw new MtaException("添加订单: 非法入参: " + JsonUtil.toJson(vo));
		}
		String ordernum = orderService.add(vo.getAppkey(), vo.getMoney(), vo.getOrdernum(), vo.getTitle());
		return this.get(ordernum);
	}
	
	/**
	 * 支付
	 * @param orderId
	 * @param type
	 * @return
	 */
	@GetMapping("/{orderId}/pay")
	public String pay(@PathVariable int orderId, // 默认支付宝
			@RequestParam(required=false,defaultValue="1") byte type) throws MtaException{
		if(orderId <= 0) {
			throw new MtaException("订单号非法: " + orderId);
		}
		Order order = orderService.get(orderId);
		if(order.getOrderStatus() == OrderService.STATUS_PAYED){
			logger.info("订单支付: 订单已经支付过: {}", orderId);
			return "redirect:/order/"+orderId+"/ok"; // 已经支付过
		}
		logger.info("订单支付: {}, 支付类型: {}", orderId, type==1 ? "支付宝" : "微信");
		String paynum = payService.add(orderId, type);
		return "redirect:/pay/" + paynum;
	}
	
	/**
	 * 支付成功
	 * @return
	 * @throws MtaException 
	 */
	@GetMapping(value="/{orderId}/ok")
	public String ok(@PathVariable int orderId, HttpServletRequest request) throws MtaException{
		Order order = orderService.get(orderId);
		if (order.getOrderStatus() == OrderService.STATUS_PAYED) {
			// 重定向到业务回调地址
			String returnUrl = appService.getReturnUrl(order.getAppId(), order.getOrderNum());
			if (Objects.nonNull(returnUrl)) {
				return "redirect:" + returnUrl;
			} 
			// 未配置成功地址的返回默认
			request.setAttribute("order", order);
			return "/payok.jsp";
		}
		return null;
	}
	
	/**
	 * 获取订单
	 * @param paynum
	 * @return
	 * @throws MtaException 
	 */
	@GetMapping("/{orderNum}")
	public @ResponseBody OrderResponseVo get(@PathVariable String orderNum) throws MtaException{
		OrderResponseVo responseBean = null;
		if(Objects.nonNull(orderNum) && !orderNum.trim().isEmpty()){
			Order order = orderService.getByOrderNum(orderNum);
			responseBean = new OrderResponseVo();
			BeanUtils.copyProperties(order, responseBean);
			responseBean.setPayed(order.getOrderStatus()==OrderService.STATUS_PAYED);
			responseBean.setPayUrl("/order/"+orderNum+"/pay");
		}
		logger.info("获取订单请求: {}, 返回结果: {}", orderNum, JsonUtil.toJson(responseBean));
		return responseBean;
	}
	
}