package repositories

import (
	"context"
	"encoding/json"
	"errors"
	"fusenapi/constants"
	"fusenapi/model/gmodel"
	"fusenapi/utils/curl"
	"fusenapi/utils/file"
	"fusenapi/utils/hash"
	"time"

	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/zeromicro/go-zero/core/logc"
	"github.com/zeromicro/go-zero/core/logx"
	"gorm.io/gorm"
)

func NewImageHandle(gormDB *gorm.DB, bLMServiceUrl *string, awsSession *session.Session) ImageHandle {
	return &defaultImageHandle{
		MysqlConn:     gormDB,
		BLMServiceUrl: bLMServiceUrl,
		AwsSession:    awsSession,
	}
}

type (
	defaultImageHandle struct {
		MysqlConn     *gorm.DB
		BLMServiceUrl *string
		AwsSession    *session.Session
	}

	ImageHandle = interface {
		// 获取logo最新信息
		LogoInfo(ctx context.Context, in *LogoInfoReq) (*LogoInfoRes, error)

		// logo信息
		LogoInfoSet(ctx context.Context, in *LogoInfoSetReq) (*LogoInfoSetRes, error)

		// logo合图
		LogoCombine(ctx context.Context, in *LogoCombineReq) (*LogoCombineRes, error)

		// logo裁剪
		LogoStandard(ctx context.Context, in *LogoStandardReq) (*LogoStandardRes, error)
	}
)

/* 获取logo最新信息 */
type (
	LogoInfoReq struct {
		UserId  int64 `json:"user_id"`
		GuestId int64 `json:"guest_id"`
	}
	LogoInfoRes struct {
		Metadata *string `json:"metadata"`
		LogoUrl  *string `json:"logo_url"`
	}
)

func (l *defaultImageHandle) LogoInfo(ctx context.Context, in *LogoInfoReq) (*LogoInfoRes, error) {
	var metadata *string
	var logoUrl *string

	userMaterialModel := gmodel.NewFsUserMaterialModel(l.MysqlConn)
	userMaterialInfo, err := userMaterialModel.FindLatestOne(ctx, in.UserId, in.GuestId)

	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			userMaterialInfoDefault, err := userMaterialModel.FindOneById(ctx, 0)
			if err != nil {
				logx.Error(err)
				return nil, err
			}
			metadataB := string(*userMaterialInfoDefault.Metadata)
			metadata = &metadataB
			logoUrl = userMaterialInfoDefault.ResourceUrl
		} else {
			logx.Error(err)
			return nil, err
		}
	} else {
		metadataB := string(*userMaterialInfo.Metadata)
		metadata = &metadataB
		logoUrl = userMaterialInfo.ResourceUrl
	}
	return &LogoInfoRes{
		Metadata: metadata,
		LogoUrl:  logoUrl,
	}, nil
}

/* 获取logo最新信息 */

/* logo信息 */
type (
	LogoInfoSetReq struct {
		LogoUrl string `json:"logo_url"`
	}
	LogoInfoSetRes struct {
		Res string `json:"res"`
	}
)

func (l *defaultImageHandle) LogoInfoSet(ctx context.Context, in *LogoInfoSetReq) (*LogoInfoSetRes, error) {
	var resultBLM constants.BLMServiceUrlResult
	postMap := make(map[string]string, 1)
	postMap["logo_url"] = in.LogoUrl

	logc.Infof(ctx, "算法请求--LOGO基础信息--开始时间：%v", time.Now().UTC())
	err := curl.NewClient(ctx, &curl.Config{
		BaseUrl: *l.BLMServiceUrl,
		Url:     constants.BLMServiceUrlLogoFeatureExtraction,
	}).PostJson(postMap, &resultBLM)
	logc.Infof(ctx, "算法请求--LOGO基础信息--结束时间：%v", time.Now().UTC())
	if err != nil {
		logx.Error(err)
		return nil, err
	}
	if resultBLM.Code != "200" {
		err = errors.New(resultBLM.Msg)
		logx.Error(err)
		return nil, err
	}
	return &LogoInfoSetRes{
		Res: resultBLM.Data.(string),
	}, nil
}

/* logo信息 */

/* logo合图 */
type (
	LogoCombineReq struct {
		UserId      int64  `json:"user_id"`
		GuestId     int64  `json:"guest_id"`
		TemplateId  int64  `json:"template_id"`
		TemplateTag string `json:"template_tag"`
		Website     string `json:"website"`  // 合图参数
		Slogan      string `json:"slogan"`   // 合图参数
		Address     string `json:"address"`  // 合图参数
		Phone       string `json:"phone"`    // 合图参数
		Qrcode      string `json:"qrcode"`   // 合图参数
		LogoUrl     string `json:"logo_url"` // 合图参数
	}
	LogoCombineRes struct {
		ResourceId          string
		ResourceUrl         *string
		Metadata            *string
		DiffTimeLogoCombine int64
		DiffTimeUploadFile  int64
	}
)

func (l *defaultImageHandle) LogoCombine(ctx context.Context, in *LogoCombineReq) (*LogoCombineRes, error) {
	// 查询logo最新基础信息
	resLogoInfo, err := l.LogoInfo(ctx, &LogoInfoReq{
		UserId:  in.UserId,
		GuestId: in.GuestId,
	})
	if err != nil {
		logx.Error(err)
		return nil, err
	}

	// 根据hash 查询数据资源
	var hashKeyData = *in
	hashKeyData.GuestId = 0
	hashKeyData.UserId = 0
	hashKeyData.LogoUrl = *resLogoInfo.LogoUrl
	var hashKeyDataMap map[string]interface{}
	hashKeyDataB, _ := json.Marshal(hashKeyData)
	json.Unmarshal(hashKeyDataB, &hashKeyDataMap)
	var resourceId string = hash.JsonHashKey(hashKeyDataMap)

	resourceModel := gmodel.NewFsResourceModel(l.MysqlConn)
	resourceInfo, err := resourceModel.FindOneById(ctx, resourceId)
	if err == nil && resourceInfo.ResourceId != "" {
		return &LogoCombineRes{
			ResourceId:  resourceId,
			ResourceUrl: resourceInfo.ResourceUrl,
		}, nil
	} else {
		if err != nil {
			if !errors.Is(err, gorm.ErrRecordNotFound) {
				logx.Error(err)
				return nil, err
			}
		}
	}

	// 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.MysqlConn)
	productTemplateV2Info, err := productTemplateV2Model.FindOne(ctx, in.TemplateId)

	if err != nil {
		logc.Errorf(ctx, "productTemplateV2Model.FindOne：%v", err)
		return nil, err
	}

	productTemplateTagInfo, err := gmodel.NewFsProductTemplateTagsModel(l.MysqlConn).FindOneByTagName(ctx, in.TemplateTag, "groups")

	if err != nil {
		logc.Errorf(ctx, "NewFsProductTemplateTagsModel.FindOneByTagName：%v", err)
		return nil, err
	}

	var groupOptions map[string]interface{}
	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 nil, err
		}
		materialList = templateInfo["materialList"].([]interface{})
		groupOptions = templateInfo["groupOptions"].(map[string]interface{})
	}

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

	var tagDataMap []interface{}
	err = json.Unmarshal([]byte(*productTemplateTagInfo.Groups), &tagDataMap)
	if err != nil {
		logc.Errorf(ctx, "Unmarshal tagDataMap：%v", err)
		return nil, err
	}

	var combineParam map[string]interface{}
	json.Unmarshal([]byte(*resLogoInfo.Metadata), &combineParam)
	combineParam["template_tagid"] = in.TemplateTag
	combineParam["website"] = in.Website
	combineParam["slogan"] = in.Slogan
	combineParam["phone"] = in.Phone
	combineParam["address"] = in.Address
	combineParam["qrcode"] = in.Qrcode

	var postMap = make(map[string]interface{}, 2)
	postMap["module_data"] = moduleDataMap
	postMap["tag_data"] = tagDataMap
	postMap["param_data"] = combineParam

	logc.Infof(ctx, "合图--算法请求--合图--开始时间：%v", time.Now().UTC())
	var startTimeLogoCombine = time.Now().UnixMilli() //合图--处理--开始时间

	var resultBLM constants.BLMServiceUrlResult
	err = curl.NewClient(ctx, &curl.Config{
		BaseUrl: *l.BLMServiceUrl,
		Url:     constants.BLMServiceUrlLogoCombine,
	}).PostJson(postMap, &resultBLM)

	logc.Infof(ctx, "合图--算法请求--合图--结束时间：%v", time.Now().UTC())
	endTimeLogoCombine := time.Now().UnixMilli()                     //合图--处理--开始时间
	diffTimeLogoCombine := endTimeLogoCombine - startTimeLogoCombine //合图--处理--中间差
	logc.Infof(ctx, "合图--算法请求--合图--业务耗时：%d", diffTimeLogoCombine)
	if err != nil {
		logx.Error(err)
		return nil, err
	}

	if resultBLM.Code != "200" {
		err = errors.New(resultBLM.Msg)
		logx.Error(err)
		return nil, err
	}

	var resultStr string = resultBLM.Data.(string)
	var resultData map[string]interface{}
	err = json.Unmarshal([]byte(resultStr), &resultData)
	if err != nil || resultData == nil {
		logx.Error(err)
		return nil, err
	}

	var fileBase = resultData["result"].(string)

	// 上传文件
	var upload = file.Upload{
		Ctx:        ctx,
		MysqlConn:  l.MysqlConn,
		AwsSession: l.AwsSession,
	}

	logc.Infof(ctx, "合图--上传文件--开始时间：%v", time.Now().UTC())
	var startTimeUploadFile = time.Now().UnixMilli() //合图--上传--开始时间

	uploadRes, err := upload.UploadFileByBase64(&file.UploadBaseReq{
		Source:       "combine-image",
		FileHash:     resourceId,
		FileData:     fileBase,
		UploadBucket: 1,
		ApiType:      2,
		UserId:       in.UserId,
		GuestId:      in.GuestId,
	})
	logc.Infof(ctx, "合图--上传文件--结束时间：%v", time.Now().UTC())
	endTimeUploadFile := time.Now().UnixMilli()                   //合图--处理--开始时间
	diffTimeUploadFile := endTimeUploadFile - startTimeUploadFile //合图--处理--中间差

	logc.Infof(ctx, "合图--上传文件--业务耗时：%d", diffTimeUploadFile)
	if err != nil {
		logx.Error(err)
		return nil, err
	}

	return &LogoCombineRes{
		ResourceId:          uploadRes.ResourceId,
		ResourceUrl:         &uploadRes.ResourceUrl,
		DiffTimeLogoCombine: diffTimeLogoCombine,
		DiffTimeUploadFile:  diffTimeUploadFile,
	}, nil
}

/* logo合图 */
type (
	LogoStandardReq struct {
		IsRemoveBg string `json:"is_remove_bg"`
		LogoFile   string `json:"logo_file"`
		Width      string `json:"width"`
		Height     string `json:"height"`
		Proportion string `json:"proportion"`
	}
	LogoStandardRes struct {
		ResourceId      string
		ResourceUrl     string
		IsmaxProportion bool
		ImgColor        []string
	}
	LogoStandardMetaData struct {
		Param  LogoStandardReq `json:"param"`
		Result LogoStandardRes `json:"result"`
	}
)

/* 图片裁剪 */
func (l *defaultImageHandle) LogoStandard(ctx context.Context, in *LogoStandardReq) (*LogoStandardRes, error) {
	var ismaxProportion bool
	var imgColor []string
	var logoStandardMetaData LogoStandardMetaData

	var hashKeyDataMap map[string]interface{}
	hashKeyDataB, _ := json.Marshal(in)
	json.Unmarshal(hashKeyDataB, &hashKeyDataMap)
	var resourceId string = hash.JsonHashKey(hashKeyDataMap)

	resourceModel := gmodel.NewFsResourceModel(l.MysqlConn)
	resourceInfo, err := resourceModel.FindOneById(ctx, resourceId)
	if err == nil && resourceInfo.ResourceId != "" {
		if resourceInfo.Metadata != nil {
			json.Unmarshal([]byte(*resourceInfo.Metadata), &logoStandardMetaData)
		}
		// 取出参数
		ismaxProportion = logoStandardMetaData.Result.IsmaxProportion
		imgColor = logoStandardMetaData.Result.ImgColor

		return &LogoStandardRes{
			ResourceId:      resourceInfo.ResourceId,
			ResourceUrl:     *resourceInfo.ResourceUrl,
			IsmaxProportion: ismaxProportion,
			ImgColor:        imgColor,
		}, nil
	} else {
		if err != nil {
			if !errors.Is(err, gorm.ErrRecordNotFound) {
				logx.Error(err)
				return nil, err
			}
		}
	}

	var resultBLM constants.BLMServiceUrlResult
	var postMap = make(map[string]interface{}, 5)
	postMap["is_remove_bg"] = in.IsRemoveBg
	postMap["logo_file"] = in.LogoFile
	postMap["width"] = in.Width
	postMap["height"] = in.Height
	postMap["proportion"] = in.Proportion

	logc.Infof(ctx, "算法请求--去背景--开始时间：%v", time.Now().UTC())
	err = curl.NewClient(ctx, &curl.Config{
		BaseUrl: *l.BLMServiceUrl,
		Url:     constants.BLMServiceUrlLogoRemovebg,
	}).PostJson(postMap, &resultBLM)
	logc.Infof(ctx, "算法请求--去背景--结束时间：%v", time.Now().UTC())
	if err != nil {
		logx.Error(err)
		return nil, err
	}

	if resultBLM.Code != "200" {
		err = errors.New(resultBLM.Msg)
		logx.Error(err)
		return nil, err
	}

	var resultStr string = resultBLM.Data.(string)
	var resultData map[string]interface{}
	err = json.Unmarshal([]byte(resultStr), &resultData)
	if err != nil || resultData == nil {
		logx.Error(err)
		return nil, err
	}

	var fileBase = resultData["nobg_url"].(string)
	ismaxProportion = resultData["ismax_proportion"].(bool)

	for _, v := range resultData["img_color"].([]interface{}) {
		imgColor = append(imgColor, v.(string))
	}

	var logoStandardRes LogoStandardRes
	logoStandardRes.IsmaxProportion = ismaxProportion
	logoStandardRes.ImgColor = imgColor

	logoStandardMetaData.Param = *in
	logoStandardMetaData.Result = logoStandardRes
	metadataB, err := json.Marshal(logoStandardMetaData)
	if err != nil {
		logx.Error(err)
		return nil, err
	}

	var metadata = string(metadataB)

	// 上传文件
	var upload = file.Upload{
		Ctx:        ctx,
		MysqlConn:  l.MysqlConn,
		AwsSession: l.AwsSession,
	}
	uploadRes, err := upload.UploadFileByBase64(&file.UploadBaseReq{
		Source:       "combine-removebg",
		FileHash:     resourceId,
		FileData:     fileBase,
		UploadBucket: 1,
		ApiType:      2,
		Metadata:     metadata,
	})
	if err != nil {
		logx.Error(err)
		return nil, err
	}
	return &LogoStandardRes{
		ResourceId:      uploadRes.ResourceId,
		ResourceUrl:     uploadRes.ResourceUrl,
		IsmaxProportion: ismaxProportion,
		ImgColor:        imgColor,
	}, nil
}

/* 图片裁剪 */