package logic

import (
	"context"
	"encoding/json"
	"errors"
	"fusenapi/model/gmodel"
	"fusenapi/utils/auth"
	"fusenapi/utils/basic"
	"gorm.io/gorm"

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

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

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

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

func (l *UpdateTemplateLogic) UpdateTemplate(req *types.UpdateTemplateReq, userInfo *auth.BackendUserInfo) (resp *basic.Response) {
	if req.ModelId <= 0 {
		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "param modelId is required")
	}
	if req.TemplateData == nil {
		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "param template data is required")
	}
	if req.TemplateData.Id <= 0 {
		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "param template data`id is required")
	}
	//验证模板数据真实性
	templatev2Info, err := l.svcCtx.AllModels.FsProductTemplateV2.FindOne(l.ctx, req.TemplateData.Id)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "template is not exists")
		}
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get v2 template info")
	}
	if *templatev2Info.ModelId != req.ModelId {
		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "the template`s model id is not match")
	}
	templateInfoBytes, err := json.Marshal(req.TemplateData)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to marshal template data")
	}
	templateInfoJson := string(templateInfoBytes)
	//保存模板宽高
	var logoWidth int64
	var logoHeight int64
	for _, v := range req.TemplateData.MaterialList {
		//logo面板需保存宽高
		if v["tag"] == "Logo" {
			logoWidth, _ = v["width"].(json.Number).Int64()
			logoHeight, _ = v["height"].(json.Number).Int64()
			break
		}
	}
	isPublic := int64(0)
	if req.TemplateData.IsPublic {
		isPublic = 1
	}
	updData := gmodel.FsProductTemplateV2{
		TemplateInfo: &templateInfoJson,
		MaterialImg:  &req.TemplateData.Material,
		Name:         &req.TemplateData.Name,
		LogoWidth:    &logoWidth,
		LogoHeight:   &logoHeight,
		IsPublic:     &isPublic,
	}
	if err = l.svcCtx.AllModels.FsProductTemplateV2.Update(l.ctx, req.TemplateData.Id, &updData); err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeSaveErr, "failed to update template")
	}
	return resp.SetStatusWithMessage(basic.CodeOK, "success", types.UpdateTemplateRsp{
		ModelId:    req.ModelId,
		TemplateId: req.TemplateData.Id,
	})
}