package logic

import (
	"errors"
	"fusenapi/constants"
	"fusenapi/model/gmodel"
	"fusenapi/utils/auth"
	"fusenapi/utils/basic"
	"fusenapi/utils/color_list"
	"gorm.io/gorm"
	"strings"

	"context"

	"fusenapi/server/product/internal/svc"
	"fusenapi/server/product/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type GetRenderSettingByPidLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewGetRenderSettingByPidLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetRenderSettingByPidLogic {
	return &GetRenderSettingByPidLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *GetRenderSettingByPidLogic) GetRenderSettingByPid(req *types.GetRenderSettingByPidReq, userinfo *auth.UserInfo) (resp *basic.Response) {
	req.Pid = strings.Trim(req.Pid, " ")
	if req.Pid == "" {
		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "err param:pid is empty")
	}
	//获取产品信息
	productInfo, err := l.svcCtx.AllModels.FsProduct.FindOneBySn(l.ctx, req.Pid)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the product is not exists")
		}
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product info")
	}
	//获取产品分类
	tagInfo, err := l.svcCtx.AllModels.FsTags.FindOne(l.ctx, *productInfo.Type)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "product tag is not exists")
		}
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get tag info")
	}
	//是否低效果渲染
	isLowRendering := false
	//是否移除背景
	isRemoveBg := false
	//是否存在最新设计
	lastDesign := false
	//是否拥有云渲染设计方案
	renderDesign := false
	renderDesign, err = l.checkRenderDesign(req.ClientNo)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to checkRenderDesign")
	}
	if userinfo.UserId != 0 {
		user, err := l.svcCtx.AllModels.FsUser.FindUserById(l.ctx, userinfo.UserId)
		if err != nil {
			if errors.Is(err, gorm.ErrRecordNotFound) {
				return resp.SetStatusAddMessage(basic.CodeDbRecordNotFoundErr, "user info is not exists")
			}
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get user info")
		}
		isLowRendering = *user.IsLowRendering > 0
		isRemoveBg = *user.IsRemoveBg > 0
		lastDesign, err = l.checkLastDesignExists(user.Id)
		if err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to check if exists last design ")
		}
	}
	return resp.SetStatusWithMessage(basic.CodeOK, "success", types.GetRenderSettingByPidRsp{
		Id:              productInfo.Id,
		Type:            *productInfo.Type,
		Title:           *productInfo.Title,
		IsEnv:           *productInfo.IsProtection,
		IsMicro:         *productInfo.IsMicrowave,
		TypeName:        *tagInfo.Title,
		IsLowRendering:  isLowRendering,
		IsCustomization: *productInfo.IsCustomization,
		IsRemoveBg:      isRemoveBg,
		RenderDesign:    renderDesign,
		LastDesign:      lastDesign,
		Colors:          color_list.GetColor(),
	})
}

// 查询是否存在渲染设计
func (l *GetRenderSettingByPidLogic) checkRenderDesign(clientNo string) (bool, error) {
	if clientNo == "" {
		return false, nil
	}
	renderDesign, err := l.svcCtx.AllModels.FsProductRenderDesign.FindOneRenderDesignByParams(l.ctx, gmodel.FindOneRenderDesignByParamsReq{
		ClientNo: &clientNo,
		Fields:   "id,info,material_id,optional_id,size_id,template_id",
		OrderBy:  "`id` DESC",
	})
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return false, nil
		}
		return false, err
	}
	if renderDesign.Info != nil && *renderDesign.Info != "" {
		return true, nil
	}
	return false, nil
}

// 查询是否存在最新设计
func (l *GetRenderSettingByPidLogic) checkLastDesignExists(userId int64) (bool, error) {
	//查询用户最近下单成功的数据
	orderInfo, err := l.svcCtx.AllModels.FsOrder.FindLastSuccessOneOrder(l.ctx, userId, int64(constants.STATUS_NEW_NOT_PAY))
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return false, nil
		}
		return false, err
	}
	//获取该订单相关设计信息
	orderDetail, err := l.svcCtx.AllModels.FsOrderDetail.GetOneOrderDetailByOrderId(l.ctx, orderInfo.Id)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return false, nil
		}
		return false, err
	}
	//获取设计模板详情，便于获得design_id
	orderDetailTemplate, err := l.svcCtx.AllModels.FsOrderDetailTemplate.FindOne(l.ctx, *orderDetail.OrderDetailTemplateId)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return false, nil
		}
		return false, err
	}
	return *orderDetailTemplate.DesignId > 0, nil
}