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

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

func (l *GetModelByPidLogic) GetModelByPid(req *types.GetModelByPidReq, 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")
	}
	//获取产品尺寸列表(只是获取id)
	sizeList, err := l.svcCtx.AllModels.FsProductSize.GetAllByProductIds(l.ctx, []int64{productInfo.Id}, "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", []interface{}{})
	}
	sizeIds := make([]int64, 0, len(sizeList))
	for _, v := range sizeList {
		sizeIds = append(sizeIds, v.Id)
	}
	//获取模型数据(只是获取model_info)
	model3dList, err := l.svcCtx.AllModels.FsProductModel3d.GetAllBySizeIdsTag(l.ctx, sizeIds, constants.TAG_MODEL, "id,model_info")
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get model list")
	}
	if len(model3dList) == 0 {
		return resp.SetStatusWithMessage(basic.CodeOK, "success:model list is empty", []interface{}{})
	}
	//处理数据
	mapModel := make(map[int64]interface{})
	for _, v := range model3dList {
		if v.ModelInfo == nil || *v.ModelInfo == "" {
			mapModel[v.Id] = nil
			continue
		}
		var info interface{}
		if err = json.Unmarshal([]byte(*v.ModelInfo), &info); err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse model info json")
		}
		mapModel[v.Id] = info
	}
	return resp.SetStatusWithMessage(basic.CodeOK, "success", mapModel)
}