package coupon

import (
	"encoding/json"
	"errors"
	"net/http"
	"spaceofcheng/services/controllers"
	cpModel "spaceofcheng/services/models/coupon"
	"spaceofcheng/services/models/model"
	"spaceofcheng/services/service/coupon"
	"spaceofcheng/services/utils"
	"strings"
)

// CouponController 商品
type CouponController struct {
	serv *coupon.CouponServ
	controllers.BaseController
}

// Constructor 初始化 Controller
// @Title Constructor
// @Description 初始化 Controller, 系统自动调用
func (c *CouponController) Constructor() {
	c.serv = coupon.NewCouponServ(c.Context)
}

// ListByCase 获取券列表
func (c *CouponController) ListByCase() {
	caseID := c.GetString("caseid")

	page, _ := c.GetInt("page")
	pagesize, _ := c.GetInt("pagesize")
	if page < 0 {
		page = 1
	}

	if pagesize <= 0 {
		pagesize = 10
	}

	sendtype := c.GetString("sendtype")
	usetype := c.GetString("usetype")
	usedid := c.GetString("usedid")

	list, total, err := c.serv.GetCouponList(caseID, sendtype, usetype, usedid, page, pagesize)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(map[string]interface{}{
		"list":     list,
		"page":     page,
		"pagesize": pagesize,
		"pagenum":  total,
	})
}

// GetCouponByIDForAdmin 获取优惠券
// 管理端
func (c *CouponController) GetCouponByIDForAdmin() {
	id := c.GetString(":id")
	if id == "" {
		c.ResponseError(errors.New("未指定券"))
	}

	cp, err := c.serv.GetCouponByIDWithCheck(id)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(map[string]interface{}{
		"coupon": cp,
	})
}

// GetCouponByID 获取优惠券
// 微信端
func (c *CouponController) GetCouponByID() {
	id := c.GetString(":id")
	if id == "" {
		c.ResponseError(errors.New("未指定券"))
	}

	cp, err := c.serv.GetCouponInfoByID(id)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(map[string]interface{}{
		"coupon": cp,
	})
}

// SaveCoupon 保存优惠券
func (c *CouponController) SaveCoupon() {
	jsnStr := c.GetString("info")
	if jsnStr == "" {
		c.ResponseError(errors.New("未接收到保存内容"))
	}

	cp := cpModel.CouponInfo{}

	if err := json.Unmarshal([]byte(jsnStr), &cp); err != nil {
		utils.LogError("接收优惠券信息失败: " + err.Error())
		c.ResponseError(errors.New("接收参数失败"), http.StatusInternalServerError)
	}

	// TODO
	// 校验各字段不能为空

	// 入库
	cp.CouponId = ""
	if err := c.serv.SaveCoupon(&cp); err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(map[string]interface{}{
		"coupon": cp,
	})
}

// UpdateCoupon 更新优惠券
func (c *CouponController) UpdateCoupon() {
	jsnStr := c.GetString("info")
	if jsnStr == "" {
		c.ResponseError(errors.New("未接收到更新内容"))
	}

	id := c.GetString(":id")
	if id == "" {
		c.ResponseError(errors.New("未指定券"))
	}

	cp := cpModel.CouponInfo{}

	if err := json.Unmarshal([]byte(jsnStr), &cp); err != nil {
		utils.LogError("接收优惠券信息失败: " + err.Error())
		c.ResponseError(errors.New("接收参数失败"), http.StatusInternalServerError)
	}

	// TODO
	// 校验各字段不能为空

	// 入库
	cp.CouponId = id
	if err := c.serv.UpdateCoupon(&cp); err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(map[string]interface{}{
		"coupon": cp,
	})
}

// GiveCoupon 赠送优惠券
func (c *CouponController) GiveCoupon() {
	id := c.GetString(":id")
	if id == "" {
		c.ResponseError(errors.New("未指定券"))
	}

	uids := c.GetString(":users")
	if uids == "" {
		c.ResponseError(errors.New("未指定赠送人"))
	}

	err := c.serv.GiveCoupon(id, strings.Split(uids, ","))
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON("ok")
}

// GetCouponBySendType 根据类型获取优惠券
func (c *CouponController) GetCouponBySendType() {
	sendtype := c.GetString(":type")
	coupons, err := c.serv.GetCouponBySendType(sendtype)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(coupons)
}

// GetCouponWithCustomer 获取优惠券领取信息
func (c *CouponController) GetCouponWithCustomer() {
	couponid := c.GetString(":id")
	couponDetail, err := c.serv.GetCouponWithCustomer(couponid)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(couponDetail)
}

// GetCouponByCustomer 获取我的优惠券信息
func (c *CouponController) GetCouponByCustomer() {
	coupons, err := c.serv.GetCouponByCustomer()
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(coupons)
}

// GetCustomerCouponByID 获取我的优惠券详情
func (c *CouponController) GetCustomerCouponByID() {
	id := c.GetString(":id")
	coupon, err := c.serv.GetCustomerCouponByID(id)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(coupon)
}

// GetCaseUsableCoupon 获取案场可用券
func (c *CouponController) GetCaseUsableCoupon() {
	page, _ := c.GetInt("page")
	pageSize, _ := c.GetInt("pagesize")
	coupons, err := c.serv.GetCaseUsableCoupon(page, pageSize)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(coupons)
}

// ReceiveCoupon 卡领取
func (c *CouponController) ReceiveCoupon() {
	id := c.GetString(":id")
	saleid := c.GetString("saleid")
	serialcode := c.GetString("serialcode")
	cust := c.Context.Get("customer").(model.TaCustomer)

	if cust.Phone == "" {
		c.ResponseError(
			errors.New("用户未登录或绑定"),
			http.StatusNotAcceptable,
		)
	}

	err := c.serv.ReceiveCoupon(id, saleid, serialcode)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON("领取成功！")
}

// ChannelReceiveCoupon 渠道端卡领取
func (c *CouponController) ChannelReceiveCoupon() {
	id := c.GetString(":id")
	cust := c.Context.Get("customer").(model.TaCustomer)

	if cust.Phone == "" {
		c.ResponseError(
			errors.New("用户未登录或绑定"),
			http.StatusNotAcceptable,
		)
	}

	err := c.serv.ChannelReceiveCoupon(id)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON("领取成功！")
}

// GetCustomerCouponByCustomerAndSale 获取我的卡信息
func (c *CouponController) GetCustomerCouponByCustomerAndSale() {
	customerid := c.GetString(":id")
	page, _ := c.GetInt("page")
	pagesize, _ := c.GetInt("pagesize")

	Coupons, err := c.serv.GetCustomerCouponByCustomerAndSale(customerid, page, pagesize)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(Coupons)
}

func (c *CouponController) GetSysCouponByCase() {
	caseId := c.GetString(":caseId")
	coupon, err := c.serv.GetSysCouponByCase(caseId)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(coupon)
}