package logic

import (
	"encoding/json"
	"errors"
	"fusenapi/constants"
	"fusenapi/utils/auth"
	"fusenapi/utils/basic"
	"gorm.io/gorm"
	"strings"

	"context"

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

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

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

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

func (l *GetLightByPidLogic) GetLightByPid(req *types.GetLightByPidReq, 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(只是获取id)
	productInfo, err := l.svcCtx.AllModels.FsProduct.FindOneBySn(l.ctx, req.Pid, "id")
	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")
	}
	//获取尺寸ids
	sizeList, err := l.svcCtx.AllModels.FsProductSize.GetAllByProductIds(l.ctx, []int64{productInfo.Id}, "")
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get size list")
	}
	if len(sizeList) == 0 {
		return resp.SetStatusWithMessage(basic.CodeOK, "success:size list is empty")
	}
	sizeIds := make([]int64, 0, len(sizeList))
	for _, v := range sizeList {
		sizeIds = append(sizeIds, v.Id)
	}
	//获取模型列表
	modelList, err := l.svcCtx.AllModels.FsProductModel3d.GetAllBySizeIdsTag(l.ctx, sizeIds, constants.TAG_MODEL)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get model list")
	}
	if len(modelList) == 0 {
		return resp.SetStatusWithMessage(basic.CodeOK, "success:model list is empty")
	}
	lightIds := make([]int64, 0, len(modelList))
	for _, v := range modelList {
		lightIds = append(lightIds, *v.Light)
	}
	//获取光源数据
	lightList, err := l.svcCtx.AllModels.FsProductModel3dLight.GetAllByIds(l.ctx, lightIds)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get light list")
	}
	//组装数据
	listRsp := make([]interface{}, 0, len(lightList))
	for _, v := range lightList {
		var lightInfo map[string]interface{}
		if v.Info == nil || *v.Info == "" {
			continue
		}
		if err = json.Unmarshal([]byte(*v.Info), &lightInfo); err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse light info")
		}
		lightInfo["id"] = v.Id
		listRsp = append(listRsp, lightInfo)
	}
	return resp.SetStatusWithMessage(basic.CodeOK, "success", listRsp)
}