package controller

import (
	"github.com/gin-gonic/gin"
	"hepa-calc-admin-api/api/dao"
	"hepa-calc-admin-api/api/dto"
	"hepa-calc-admin-api/api/requests"
	"hepa-calc-admin-api/api/responses"
	"hepa-calc-admin-api/api/service"
	"hepa-calc-admin-api/global"
	"hepa-calc-admin-api/utils"
	"strconv"
)

type OrderMember struct{}

// GetOrderMemberPage 获取会员订单列表-分页
func (b *OrderMember) GetOrderMemberPage(c *gin.Context) {
	orderMemberRequest := requests.OrderMemberRequest{}
	req := orderMemberRequest.GetOrderMemberPage
	if err := c.ShouldBind(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	if req.Page == 0 {
		req.Page = 1
	}

	if req.PageSize == 0 {
		req.PageSize = 20
	}

	userId := c.GetInt64("UserId")
	req.UserId = userId

	// 获取数据
	orderMemberDao := dao.OrderMemberDao{}
	orderMember, total, err := orderMemberDao.GetOrderMemberPageSearch(req, req.Page, req.PageSize)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 处理返回值
	g := dto.GetOrderMemberListDto(orderMember)

	result := make(map[string]interface{})
	result["page"] = req.Page
	result["page_size"] = req.PageSize
	result["total"] = total
	result["data"] = g
	responses.OkWithData(result, c)
}

// GetOrderMember 获取会员订单详情
func (b *OrderMember) GetOrderMember(c *gin.Context) {
	id := c.Param("order_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	orderId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	// 获取订单数据
	orderMemberDao := dao.OrderMemberDao{}
	orderMember, err := orderMemberDao.GetOrderMemberPreloadById(orderId)
	if err != nil {
		responses.FailWithMessage("订单异常", c)
		return
	}

	// 处理返回值
	g := dto.GetOrderMemberDto(orderMember)

	// 加载会员数据
	g.LoadSystemMember(orderMember.SystemMember)

	// 加载用户数据
	g.LoadUserAttr(orderMember.User)

	responses.OkWithData(g, c)
}

// PutCancelOrderMember 取消会员订单
func (b *OrderMember) PutCancelOrderMember(c *gin.Context) {
	id := c.Param("order_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	orderId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	// 获取订单数据
	orderMemberDao := dao.OrderMemberDao{}
	orderMember, err := orderMemberDao.GetOrderMemberById(orderId)
	if err != nil {
		responses.FailWithMessage("订单异常", c)
		return
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	// 取消单项订单
	orderMemberService := service.OrderMemberService{}
	res, err := orderMemberService.CancelOrderMember(tx, orderMember.UserId, orderId, 2)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage(err.Error(), c)
		return
	}

	if res == false {
		tx.Rollback()
		responses.FailWithMessage("取消订单失败", c)
		return
	}

	tx.Commit()
	responses.Ok(c)
}

// PutOrderMemberDeleteStatus 操作会员订单删除状态
func (b *OrderMember) PutOrderMemberDeleteStatus(c *gin.Context) {
	orderMemberRequest := requests.OrderMemberRequest{}
	req := orderMemberRequest.PutOrderMemberDeleteStatus
	if err := c.ShouldBind(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	if req.IsDelete != 0 && req.IsDelete != 1 {
		responses.FailWithMessage("参数错误", c)
		return
	}

	id := c.Param("order_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	orderId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	// 获取订单数据
	orderMemberDao := dao.OrderMemberDao{}
	orderMember, err := orderMemberDao.GetOrderMemberById(orderId)
	if err != nil {
		responses.FailWithMessage("订单异常", c)
		return
	}

	// 检测订单状态
	if orderMember.OrderStatus == 2 {
		responses.FailWithMessage("订单不允许删除", c)
		return
	}

	// 检测订单删除状态
	if orderMember.IsDelete == req.IsDelete {
		responses.Ok(c)
		return
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	orderMemberData := make(map[string]interface{})
	orderMemberData["is_delete"] = req.IsDelete
	err = orderMemberDao.EditOrderMemberById(tx, orderId, orderMemberData)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage("删除失败", c)
		return
	}

	tx.Commit()
	responses.Ok(c)
}