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// Copyright (c) 2025 Tethys Plex
//
// This file is part of Veloera.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package controller

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"net/http"
	"strings"
	"veloera/common"
	"veloera/constant"
	"veloera/dto"
	"veloera/middleware"
	"veloera/model"
	"veloera/relay"
	"veloera/relay/channel/ai360"
	"veloera/relay/channel/lingyiwanwu"
	"veloera/relay/channel/minimax"
	"veloera/relay/channel/moonshot"
	relaycommon "veloera/relay/common"
	relayconstant "veloera/relay/constant"
)

// https://platform.openai.com/docs/api-reference/models/list

var openAIModels []dto.OpenAIModels
var openAIModelsMap map[string]dto.OpenAIModels
var channelId2Models map[int][]string

func getPermission() []dto.OpenAIModelPermission {
	var permission []dto.OpenAIModelPermission
	permission = append(permission, dto.OpenAIModelPermission{
		Id:                 "modelperm-LwHkVFn8AcMItP432fKKDIKJ",
		Object:             "model_permission",
		Created:            1626777600,
		AllowCreateEngine:  true,
		AllowSampling:      true,
		AllowLogprobs:      true,
		AllowSearchIndices: false,
		AllowView:          true,
		AllowFineTuning:    false,
		Organization:       "*",
		Group:              nil,
		IsBlocking:         false,
	})
	return permission
}

func init() {
	// https://platform.openai.com/docs/models/model-endpoint-compatibility
	permission := getPermission()
	for i := 0; i < relayconstant.APITypeDummy; i++ {
		if i == relayconstant.APITypeAIProxyLibrary {
			continue
		}
		adaptor := relay.GetAdaptor(i)
		channelName := adaptor.GetChannelName()
		modelNames := adaptor.GetModelList()
		for _, modelName := range modelNames {
			openAIModels = append(openAIModels, dto.OpenAIModels{
				Id:         modelName,
				Object:     "model",
				Created:    1626777600,
				OwnedBy:    channelName,
				Permission: permission,
				Root:       modelName,
				Parent:     nil,
			})
		}
	}
	for _, modelName := range ai360.ModelList {
		openAIModels = append(openAIModels, dto.OpenAIModels{
			Id:         modelName,
			Object:     "model",
			Created:    1626777600,
			OwnedBy:    ai360.ChannelName,
			Permission: permission,
			Root:       modelName,
			Parent:     nil,
		})
	}
	for _, modelName := range moonshot.ModelList {
		openAIModels = append(openAIModels, dto.OpenAIModels{
			Id:         modelName,
			Object:     "model",
			Created:    1626777600,
			OwnedBy:    moonshot.ChannelName,
			Permission: permission,
			Root:       modelName,
			Parent:     nil,
		})
	}
	for _, modelName := range lingyiwanwu.ModelList {
		openAIModels = append(openAIModels, dto.OpenAIModels{
			Id:         modelName,
			Object:     "model",
			Created:    1626777600,
			OwnedBy:    lingyiwanwu.ChannelName,
			Permission: permission,
			Root:       modelName,
			Parent:     nil,
		})
	}
	for _, modelName := range minimax.ModelList {
		openAIModels = append(openAIModels, dto.OpenAIModels{
			Id:         modelName,
			Object:     "model",
			Created:    1626777600,
			OwnedBy:    minimax.ChannelName,
			Permission: permission,
			Root:       modelName,
			Parent:     nil,
		})
	}
	for modelName := range constant.MidjourneyModel2Action {
		openAIModels = append(openAIModels, dto.OpenAIModels{
			Id:         modelName,
			Object:     "model",
			Created:    1626777600,
			OwnedBy:    "midjourney",
			Permission: permission,
			Root:       modelName,
			Parent:     nil,
		})
	}
	openAIModelsMap = make(map[string]dto.OpenAIModels)
	for _, aiModel := range openAIModels {
		openAIModelsMap[aiModel.Id] = aiModel
	}
	channelId2Models = make(map[int][]string)
	for i := 1; i <= common.ChannelTypeDummy; i++ {
		apiType, success := relayconstant.ChannelType2APIType(i)
		if !success || apiType == relayconstant.APITypeAIProxyLibrary {
			continue
		}
		meta := &relaycommon.RelayInfo{ChannelType: i}
		adaptor := relay.GetAdaptor(apiType)
		adaptor.Init(meta)
		channelId2Models[i] = adaptor.GetModelList()
	}
}

func ListModels(c *gin.Context) {
	userOpenAiModels := make([]dto.OpenAIModels, 0)
	permission := getPermission()
	modelPrefixMap := make(map[string][]string) // Map to store all prefixed versions for each model

	// Get the user group to look up available channels
	userId := c.GetInt("id")
	userGroup, err := model.GetUserGroup(userId, true)
	if err != nil {
		c.JSON(http.StatusOK, gin.H{
			"success": false,
			"message": "get user group failed",
		})
		return
	}
	group := userGroup
	tokenGroup := c.GetString("token_group")
	if tokenGroup != "" {
		group = tokenGroup
	}

	// Get channels with prefixes
	prefixChannels := middleware.GetPrefixChannels(group)
	for prefix, channels := range prefixChannels {
		if prefix == "" {
			continue // Skip channels without prefixes
		}

		// For each channel with a prefix, add its models to the prefix map
		for _, channel := range channels {
			for _, modelName := range channel.GetModels() {
				if modelPrefixMap[modelName] == nil {
					modelPrefixMap[modelName] = make([]string, 0)
				}
				prefixedModel := prefix + modelName
				// Check if this prefixed model already exists to avoid duplicates
				exists := false
				for _, existing := range modelPrefixMap[modelName] {
					if existing == prefixedModel {
						exists = true
						break
					}
				}
				if !exists {
					modelPrefixMap[modelName] = append(modelPrefixMap[modelName], prefixedModel)
				}
			}
		}
	}

	modelLimitEnable := c.GetBool("token_model_limit_enabled")
	if modelLimitEnable {
		s, ok := c.Get("token_model_limit")
		var tokenModelLimit map[string]bool
		if ok {
			tokenModelLimit = s.(map[string]bool)
		} else {
			tokenModelLimit = map[string]bool{}
		}

		for allowModel := range tokenModelLimit {
			// Check if this model has prefix mappings
			prefixedModels := modelPrefixMap[allowModel]

			// Add base model first
			if _, ok := openAIModelsMap[allowModel]; ok {
				modelInfo := openAIModelsMap[allowModel]
				userOpenAiModels = append(userOpenAiModels, modelInfo)
			} else {
				userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
					Id:         allowModel,
					Object:     "model",
					Created:    1626777600,
					OwnedBy:    "custom",
					Permission: permission,
					Root:       allowModel,
					Parent:     nil,
				})
			}

			// Add all prefixed versions
			for _, prefixedModel := range prefixedModels {
				if _, ok := openAIModelsMap[allowModel]; ok {
					modelInfo := openAIModelsMap[allowModel]
					// Create a copy and replace ID with prefixed model
					prefixedModelInfo := modelInfo
					prefixedModelInfo.Id = prefixedModel
					userOpenAiModels = append(userOpenAiModels, prefixedModelInfo)
				} else {
					userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
						Id:         prefixedModel,
						Object:     "model",
						Created:    1626777600,
						OwnedBy:    "custom",
						Permission: permission,
						Root:       allowModel, // Keep the original model name as root
						Parent:     nil,
					})
				}
			}
		}
	} else { // modelLimitEnable is false
		models := model.GetGroupModels(group) // Models available to the user's group
		processedModels := make(map[string]bool) // Tracks models already added to userOpenAiModels to prevent duplicates

		// First, add all models from channels with prefixes
		for baseModel, prefixedModelNameVersions := range modelPrefixMap {
			isBaseModelAllowed := false
			for _, groupModel := range models {
				if groupModel == baseModel {
					isBaseModelAllowed = true
					break
				}
			}

			if isBaseModelAllowed {
				for _, prefixedModelName := range prefixedModelNameVersions {
					if processedModels[prefixedModelName] {
						continue // Skip if this specific prefixed model was already added
					}
					// Construct and add the prefixed model to userOpenAiModels
					if modelData, ok := openAIModelsMap[baseModel]; ok { // Use baseModel for template
						modelInfo := modelData // Make a copy to modify
						modelInfo.Id = prefixedModelName
						modelInfo.Root = baseModel // Ensure Root is the base model
						userOpenAiModels = append(userOpenAiModels, modelInfo)
					} else {
						userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
							Id:         prefixedModelName,
							Object:     "model",
							Created:    1626777600,
							OwnedBy:    "custom", // Or derive from channel if possible
							Permission: permission,
							Root:       baseModel,
							Parent:     nil,
						})
					}
					processedModels[prefixedModelName] = true
				}
			}
		}

		// Second, add all models available to the group (including non-prefixed ones)
		// that haven't been added yet and don't have prefixed versions already added.
		for _, modelName := range models {
			if processedModels[modelName] {
				continue // Skip if this model (prefixed or non-prefixed) was already added
			}

			// Check if this model has prefixed versions that were already added
			hasProcessedPrefixedVersion := false
			if prefixedVersions, exists := modelPrefixMap[modelName]; exists {
				for _, prefixedVersion := range prefixedVersions {
					if processedModels[prefixedVersion] {
						hasProcessedPrefixedVersion = true
						break
					}
				}
			}

			// Only add the non-prefixed model if no prefixed version was added
			if !hasProcessedPrefixedVersion {
				// Construct and add the non-prefixed model to userOpenAiModels
				if modelData, ok := openAIModelsMap[modelName]; ok {
					userOpenAiModels = append(userOpenAiModels, modelData)
				} else {
					userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
						Id:         modelName,
						Object:     "model",
						Created:    1626777600,
						OwnedBy:    "custom", // Or derive from channel if possible
						Permission: permission,
						Root:       modelName,
						Parent:     nil,
					})
				}
				processedModels[modelName] = true
			}
		}
	}
	
	// 添加虚拟模型到返回列表中
	virtualModels := model.GetAllVirtualModels()
	for _, virtualModel := range virtualModels {
		// 检查是否已经存在该虚拟模型，避免重复添加
		exists := false
		for _, existingModel := range userOpenAiModels {
			if existingModel.Id == virtualModel {
				exists = true
				break
			}
		}

		if !exists {
			// 检查是否有对应的实际模型信息，如果有则使用
			if modelData, ok := openAIModelsMap[virtualModel]; ok {
				userOpenAiModels = append(userOpenAiModels, modelData)
			} else {
				// 创建虚拟模型的 OpenAI 格式信息
				userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
					Id:         virtualModel,
					Object:     "model",
					Created:    1626777600,
					OwnedBy:    "virtual",
					Permission: permission,
					Root:       virtualModel,
					Parent:     nil,
				})
			}
		}
	}

	c.JSON(200, gin.H{
		"success": true,
		"data":    userOpenAiModels,
	})
}

func ChannelListModels(c *gin.Context) {
	c.JSON(200, gin.H{
		"success": true,
		"data":    openAIModels,
	})
}

func DashboardListModels(c *gin.Context) {
	c.JSON(200, gin.H{
		"success": true,
		"data":    channelId2Models,
	})
}

func EnabledListModels(c *gin.Context) {
	c.JSON(200, gin.H{
		"success": true,
		"data":    model.GetEnabledModels(),
	})
}

func RetrieveModel(c *gin.Context) {
	modelId := c.Param("model")

	// Check if the model ID has a prefix
	userId := c.GetInt("id")
	userGroup, err := model.GetUserGroup(userId, true)
	if err == nil {
		group := userGroup
		tokenGroup := c.GetString("token_group")
		if tokenGroup != "" {
			group = tokenGroup
		}

		prefixChannels := middleware.GetPrefixChannels(group)
		for prefix := range prefixChannels {
			if prefix != "" && strings.HasPrefix(modelId, prefix) {
				// We found a model with a prefix, try to retrieve the base model
				baseModelId := strings.TrimPrefix(modelId, prefix)
				if aiModel, ok := openAIModelsMap[baseModelId]; ok {
					modelCopy := aiModel
					modelCopy.Id = modelId // Use the prefixed model ID
					c.JSON(200, modelCopy)
					return
				}
			}
		}
	}

	// No prefix found or base model doesn't exist, try the original model ID
	if aiModel, ok := openAIModelsMap[modelId]; ok {
		c.JSON(200, aiModel)
	} else {
		openAIError := dto.OpenAIError{
			Message: fmt.Sprintf("The model '%s' does not exist", modelId),
			Type:    "invalid_request_error",
			Param:   "model",
			Code:    "model_not_found",
		}
		c.JSON(200, gin.H{
			"error": openAIError,
		})
	}
}

	// Copyright (c) 2025 Tethys Plex
	//
	// This file is part of Veloera.
	//
	// This program is free software: you can redistribute it and/or modify
	// it under the terms of the GNU General Public License as published by
	// the Free Software Foundation, either version 3 of the License, or
	// (at your option) any later version.
	//
	// This program is distributed in the hope that it will be useful,
	// but WITHOUT ANY WARRANTY; without even the implied warranty of
	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	// GNU General Public License for more details.
	//
	// You should have received a copy of the GNU General Public License
	// along with this program. If not, see <https://www.gnu.org/licenses/>.
	package controller

	import (
	"fmt"
	"github.com/gin-gonic/gin"
	"net/http"
	"strings"
	"veloera/common"
	"veloera/constant"
	"veloera/dto"
	"veloera/middleware"
	"veloera/model"
	"veloera/relay"
	"veloera/relay/channel/ai360"
	"veloera/relay/channel/lingyiwanwu"
	"veloera/relay/channel/minimax"
	"veloera/relay/channel/moonshot"
	relaycommon "veloera/relay/common"
	relayconstant "veloera/relay/constant"
	)

	// https://platform.openai.com/docs/api-reference/models/list

	var openAIModels []dto.OpenAIModels
	var openAIModelsMap map[string]dto.OpenAIModels
	var channelId2Models map[int][]string

	func getPermission() []dto.OpenAIModelPermission {
	var permission []dto.OpenAIModelPermission
	permission = append(permission, dto.OpenAIModelPermission{
	Id: "modelperm-LwHkVFn8AcMItP432fKKDIKJ",
	Object: "model_permission",
	Created: 1626777600,
	AllowCreateEngine: true,
	AllowSampling: true,
	AllowLogprobs: true,
	AllowSearchIndices: false,
	AllowView: true,
	AllowFineTuning: false,
	Organization: "*",
	Group: nil,
	IsBlocking: false,
	})
	return permission
	}

	func init() {
	// https://platform.openai.com/docs/models/model-endpoint-compatibility
	permission := getPermission()
	for i := 0; i < relayconstant.APITypeDummy; i++ {
	if i == relayconstant.APITypeAIProxyLibrary {
	continue
	}
	adaptor := relay.GetAdaptor(i)
	channelName := adaptor.GetChannelName()
	modelNames := adaptor.GetModelList()
	for _, modelName := range modelNames {
	openAIModels = append(openAIModels, dto.OpenAIModels{
	Id: modelName,
	Object: "model",
	Created: 1626777600,
	OwnedBy: channelName,
	Permission: permission,
	Root: modelName,
	Parent: nil,
	})
	}
	}
	for _, modelName := range ai360.ModelList {
	openAIModels = append(openAIModels, dto.OpenAIModels{
	Id: modelName,
	Object: "model",
	Created: 1626777600,
	OwnedBy: ai360.ChannelName,
	Permission: permission,
	Root: modelName,
	Parent: nil,
	})
	}
	for _, modelName := range moonshot.ModelList {
	openAIModels = append(openAIModels, dto.OpenAIModels{
	Id: modelName,
	Object: "model",
	Created: 1626777600,
	OwnedBy: moonshot.ChannelName,
	Permission: permission,
	Root: modelName,
	Parent: nil,
	})
	}
	for _, modelName := range lingyiwanwu.ModelList {
	openAIModels = append(openAIModels, dto.OpenAIModels{
	Id: modelName,
	Object: "model",
	Created: 1626777600,
	OwnedBy: lingyiwanwu.ChannelName,
	Permission: permission,
	Root: modelName,
	Parent: nil,
	})
	}
	for _, modelName := range minimax.ModelList {
	openAIModels = append(openAIModels, dto.OpenAIModels{
	Id: modelName,
	Object: "model",
	Created: 1626777600,
	OwnedBy: minimax.ChannelName,
	Permission: permission,
	Root: modelName,
	Parent: nil,
	})
	}
	for modelName := range constant.MidjourneyModel2Action {
	openAIModels = append(openAIModels, dto.OpenAIModels{
	Id: modelName,
	Object: "model",
	Created: 1626777600,
	OwnedBy: "midjourney",
	Permission: permission,
	Root: modelName,
	Parent: nil,
	})
	}
	openAIModelsMap = make(map[string]dto.OpenAIModels)
	for _, aiModel := range openAIModels {
	openAIModelsMap[aiModel.Id] = aiModel
	}
	channelId2Models = make(map[int][]string)
	for i := 1; i <= common.ChannelTypeDummy; i++ {
	apiType, success := relayconstant.ChannelType2APIType(i)
	if !success \|\| apiType == relayconstant.APITypeAIProxyLibrary {
	continue
	}
	meta := &relaycommon.RelayInfo{ChannelType: i}
	adaptor := relay.GetAdaptor(apiType)
	adaptor.Init(meta)
	channelId2Models[i] = adaptor.GetModelList()
	}
	}

	func ListModels(c *gin.Context) {
	userOpenAiModels := make([]dto.OpenAIModels, 0)
	permission := getPermission()
	modelPrefixMap := make(map[string][]string) // Map to store all prefixed versions for each model

	// Get the user group to look up available channels
	userId := c.GetInt("id")
	userGroup, err := model.GetUserGroup(userId, true)
	if err != nil {
	c.JSON(http.StatusOK, gin.H{
	"success": false,
	"message": "get user group failed",
	})
	return
	}
	group := userGroup
	tokenGroup := c.GetString("token_group")
	if tokenGroup != "" {
	group = tokenGroup
	}

	// Get channels with prefixes
	prefixChannels := middleware.GetPrefixChannels(group)
	for prefix, channels := range prefixChannels {
	if prefix == "" {
	continue // Skip channels without prefixes
	}

	// For each channel with a prefix, add its models to the prefix map
	for _, channel := range channels {
	for _, modelName := range channel.GetModels() {
	if modelPrefixMap[modelName] == nil {
	modelPrefixMap[modelName] = make([]string, 0)
	}
	prefixedModel := prefix + modelName
	// Check if this prefixed model already exists to avoid duplicates
	exists := false
	for _, existing := range modelPrefixMap[modelName] {
	if existing == prefixedModel {
	exists = true
	break
	}
	}
	if !exists {
	modelPrefixMap[modelName] = append(modelPrefixMap[modelName], prefixedModel)
	}
	}
	}
	}

	modelLimitEnable := c.GetBool("token_model_limit_enabled")
	if modelLimitEnable {
	s, ok := c.Get("token_model_limit")
	var tokenModelLimit map[string]bool
	if ok {
	tokenModelLimit = s.(map[string]bool)
	} else {
	tokenModelLimit = map[string]bool{}
	}

	for allowModel := range tokenModelLimit {
	// Check if this model has prefix mappings
	prefixedModels := modelPrefixMap[allowModel]

	// Add base model first
	if _, ok := openAIModelsMap[allowModel]; ok {
	modelInfo := openAIModelsMap[allowModel]
	userOpenAiModels = append(userOpenAiModels, modelInfo)
	} else {
	userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
	Id: allowModel,
	Object: "model",
	Created: 1626777600,
	OwnedBy: "custom",
	Permission: permission,
	Root: allowModel,
	Parent: nil,
	})
	}

	// Add all prefixed versions
	for _, prefixedModel := range prefixedModels {
	if _, ok := openAIModelsMap[allowModel]; ok {
	modelInfo := openAIModelsMap[allowModel]
	// Create a copy and replace ID with prefixed model
	prefixedModelInfo := modelInfo
	prefixedModelInfo.Id = prefixedModel
	userOpenAiModels = append(userOpenAiModels, prefixedModelInfo)
	} else {
	userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
	Id: prefixedModel,
	Object: "model",
	Created: 1626777600,
	OwnedBy: "custom",
	Permission: permission,
	Root: allowModel, // Keep the original model name as root
	Parent: nil,
	})
	}
	}
	}
	} else { // modelLimitEnable is false
	models := model.GetGroupModels(group) // Models available to the user's group
	processedModels := make(map[string]bool) // Tracks models already added to userOpenAiModels to prevent duplicates

	// First, add all models from channels with prefixes
	for baseModel, prefixedModelNameVersions := range modelPrefixMap {
	isBaseModelAllowed := false
	for _, groupModel := range models {
	if groupModel == baseModel {
	isBaseModelAllowed = true
	break
	}
	}

	if isBaseModelAllowed {
	for _, prefixedModelName := range prefixedModelNameVersions {
	if processedModels[prefixedModelName] {
	continue // Skip if this specific prefixed model was already added
	}
	// Construct and add the prefixed model to userOpenAiModels
	if modelData, ok := openAIModelsMap[baseModel]; ok { // Use baseModel for template
	modelInfo := modelData // Make a copy to modify
	modelInfo.Id = prefixedModelName
	modelInfo.Root = baseModel // Ensure Root is the base model
	userOpenAiModels = append(userOpenAiModels, modelInfo)
	} else {
	userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
	Id: prefixedModelName,
	Object: "model",
	Created: 1626777600,
	OwnedBy: "custom", // Or derive from channel if possible
	Permission: permission,
	Root: baseModel,
	Parent: nil,
	})
	}
	processedModels[prefixedModelName] = true
	}
	}
	}

	// Second, add all models available to the group (including non-prefixed ones)
	// that haven't been added yet and don't have prefixed versions already added.
	for _, modelName := range models {
	if processedModels[modelName] {
	continue // Skip if this model (prefixed or non-prefixed) was already added
	}

	// Check if this model has prefixed versions that were already added
	hasProcessedPrefixedVersion := false
	if prefixedVersions, exists := modelPrefixMap[modelName]; exists {
	for _, prefixedVersion := range prefixedVersions {
	if processedModels[prefixedVersion] {
	hasProcessedPrefixedVersion = true
	break
	}
	}
	}

	// Only add the non-prefixed model if no prefixed version was added
	if !hasProcessedPrefixedVersion {
	// Construct and add the non-prefixed model to userOpenAiModels
	if modelData, ok := openAIModelsMap[modelName]; ok {
	userOpenAiModels = append(userOpenAiModels, modelData)
	} else {
	userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
	Id: modelName,
	Object: "model",
	Created: 1626777600,
	OwnedBy: "custom", // Or derive from channel if possible
	Permission: permission,
	Root: modelName,
	Parent: nil,
	})
	}
	processedModels[modelName] = true
	}
	}
	}

	// 添加虚拟模型到返回列表中
	virtualModels := model.GetAllVirtualModels()
	for _, virtualModel := range virtualModels {
	// 检查是否已经存在该虚拟模型，避免重复添加
	exists := false
	for _, existingModel := range userOpenAiModels {
	if existingModel.Id == virtualModel {
	exists = true
	break
	}
	}

	if !exists {
	// 检查是否有对应的实际模型信息，如果有则使用
	if modelData, ok := openAIModelsMap[virtualModel]; ok {
	userOpenAiModels = append(userOpenAiModels, modelData)
	} else {
	// 创建虚拟模型的 OpenAI 格式信息
	userOpenAiModels = append(userOpenAiModels, dto.OpenAIModels{
	Id: virtualModel,
	Object: "model",
	Created: 1626777600,
	OwnedBy: "virtual",
	Permission: permission,
	Root: virtualModel,
	Parent: nil,
	})
	}
	}
	}

	c.JSON(200, gin.H{
	"success": true,
	"data": userOpenAiModels,
	})
	}

	func ChannelListModels(c *gin.Context) {
	c.JSON(200, gin.H{
	"success": true,
	"data": openAIModels,
	})
	}

	func DashboardListModels(c *gin.Context) {
	c.JSON(200, gin.H{
	"success": true,
	"data": channelId2Models,
	})
	}

	func EnabledListModels(c *gin.Context) {
	c.JSON(200, gin.H{
	"success": true,
	"data": model.GetEnabledModels(),
	})
	}

	func RetrieveModel(c *gin.Context) {
	modelId := c.Param("model")

	// Check if the model ID has a prefix
	userId := c.GetInt("id")
	userGroup, err := model.GetUserGroup(userId, true)
	if err == nil {
	group := userGroup
	tokenGroup := c.GetString("token_group")
	if tokenGroup != "" {
	group = tokenGroup
	}

	prefixChannels := middleware.GetPrefixChannels(group)
	for prefix := range prefixChannels {
	if prefix != "" && strings.HasPrefix(modelId, prefix) {
	// We found a model with a prefix, try to retrieve the base model
	baseModelId := strings.TrimPrefix(modelId, prefix)
	if aiModel, ok := openAIModelsMap[baseModelId]; ok {
	modelCopy := aiModel
	modelCopy.Id = modelId // Use the prefixed model ID
	c.JSON(200, modelCopy)
	return
	}
	}
	}
	}

	// No prefix found or base model doesn't exist, try the original model ID
	if aiModel, ok := openAIModelsMap[modelId]; ok {
	c.JSON(200, aiModel)
	} else {
	openAIError := dto.OpenAIError{
	Message: fmt.Sprintf("The model '%s' does not exist", modelId),
	Type: "invalid_request_error",
	Param: "model",
	Code: "model_not_found",
	}
	c.JSON(200, gin.H{
	"error": openAIError,
	})
	}
	}