package logic

import (
	"encoding/json"
	"errors"
	"fusenapi/model/gmodel"
	"fusenapi/utils/auth"
	"fusenapi/utils/basic"
	"fusenapi/utils/file"
	"fusenapi/utils/hash"
	"io"
	"net/http"
	"strings"

	"context"

	"fusenapi/server/resource/internal/svc"
	"fusenapi/server/resource/internal/types"

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

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

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

// 处理进入前逻辑w,r
// func (l *LogoCombineLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
// }

// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
// func (l *LogoCombineLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }

func (l *LogoCombineLogic) LogoCombine(req *types.LogoCombineReq, userinfo *auth.UserInfo) (resp *basic.Response) {
	// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
	// userinfo 传入值时, 一定不为null

	if userinfo.IsOnlooker() {
		// 如果是，返回未授权的错误码
		return resp.SetStatus(basic.CodeUnAuth)
	}

	var userId int64
	var guestId int64

	// 检查用户是否是游客
	if userinfo.IsGuest() {
		// 如果是，使用游客ID和游客键名格式
		guestId = userinfo.GuestId
	} else {
		// 否则，使用用户ID和用户键名格式
		userId = userinfo.UserId
	}

	// 根据hash 查询数据资源
	var resourceId string = hash.JsonHashKey(req.ResourceKey)
	resourceModel := gmodel.NewFsResourceModel(l.svcCtx.MysqlConn)
	resourceInfo, err := resourceModel.FindOneById(l.ctx, resourceId)
	if err == nil && resourceInfo.ResourceId != "" {
		return resp.SetStatus(basic.CodeOK, map[string]interface{}{
			"resource_id":       resourceId,
			"resource_url":      resourceInfo.ResourceUrl,
			"resource_metadata": resourceInfo.Metadata,
		})
	} else {
		if err != nil {
			if !errors.Is(err, gorm.ErrRecordNotFound) {
				logx.Error(err)
				return resp.SetStatus(basic.CodeDbSqlErr, "LogoCombine error")
			}
		}
	}

	// 没有查到，先根据模版id 查询模版数据 请求算法数据
	productTemplateV2Model := gmodel.NewFsProductTemplateV2Model(l.svcCtx.MysqlConn)
	productTemplateV2Info, err := productTemplateV2Model.FindOne(l.ctx, req.TemplateId)

	if err != nil {
		logx.Error(err)
		return resp.SetStatus(basic.CodeDbSqlErr, "LogoCombine error")
	}
	var groupOptions map[string]interface{}
	if productTemplateV2Info.GroupOptions != nil {
		err = json.Unmarshal([]byte(*productTemplateV2Info.GroupOptions), &groupOptions)

		if err != nil {
			logx.Error(err)
			return resp.SetStatus(basic.CodeDbSqlErr, "LogoCombine error Unmarshal groupOptions")
		}
	}

	var materialList []interface{}
	if productTemplateV2Info.TemplateInfo != nil {
		var templateInfo map[string]interface{}
		err = json.Unmarshal([]byte(*productTemplateV2Info.TemplateInfo), &templateInfo)

		if err != nil {
			logx.Error(err)
			return resp.SetStatus(basic.CodeDbSqlErr, "LogoCombine error Unmarshal templateInfo")
		}
		materialList = templateInfo["materialList"].([]interface{})
	}

	var moduleDataMap = make(map[string]interface{}, 4)
	moduleDataMap["id"] = productTemplateV2Info.Id
	moduleDataMap["material"] = productTemplateV2Info.MaterialImg
	moduleDataMap["groupOptions"] = groupOptions
	moduleDataMap["materialList"] = materialList

	var combineParam map[string]interface{}
	json.Unmarshal([]byte(req.CombineParam), &combineParam)
	var postMap = make(map[string]interface{}, 2)
	postMap["module_data"] = moduleDataMap
	postMap["param_data"] = combineParam
	postMapB, _ := json.Marshal(postMap)

	result, err := http.Post(l.svcCtx.Config.BLMService.LogoCombine.Url, "application/json", strings.NewReader(string(postMapB)))
	if err != nil {
		logx.Error(err)
		return resp.SetStatus(basic.CodeFileLogoCombineErr, "service post fail")
	}
	defer result.Body.Close()
	b, err := io.ReadAll(result.Body)
	if err != nil {
		logx.Error(err)
		return resp.SetStatus(basic.CodeFileLogoCombineErr, "service read fail")
	}
	ress := string(b)

	if ress == "Internal Server Error" {
		return resp.SetStatus(basic.CodeFileLogoCombineErr, "service read fail")
	}

	var resultData map[string]interface{}
	err = json.Unmarshal(b, &resultData)
	if err != nil {
		logx.Error(err)
		return resp.SetStatus(basic.CodeFileLogoCombineErr, "service read fail")
	}
	// {
	// 	id: "",
	// 	logo_url:"https://s3.amazon.com/xxxx"，
	// 	result: "$saa541afaldjaldjasldjsadjsapsaasda"
	// }
	var fileBase = resultData["result"]

	// 上传文件
	var upload = file.Upload{
		Ctx:        l.ctx,
		MysqlConn:  l.svcCtx.MysqlConn,
		AwsSession: l.svcCtx.AwsSession,
	}
	uploadRes, err := upload.UploadFileByBase64(&file.UploadBaseReq{
		FileHash:     resourceId,
		FileData:     fileBase.(string),
		UploadBucket: 1,
		ApiType:      2,
		UserId:       userId,
		GuestId:      guestId,
	})
	if err != nil {
		logx.Error(err)
		return resp.SetStatus(basic.CodeFileLogoCombineErr, "LogoCombine error upload file failed")
	}
	// 返回成功的响应和上传URL
	return resp.SetStatus(basic.CodeOK, map[string]interface{}{
		"resource_id":       resourceId,
		"resource_url":      uploadRes.ResourceUrl,
		"resource_metadata": "",
	})
}