//
//  Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

package model

import "encoding/json"

// Chat chat model (mapped to dialog table)
type Chat struct {
	ID                     string    `gorm:"column:id;primaryKey;size:32" json:"id"`
	TenantID               string    `gorm:"column:tenant_id;size:32;not null;index" json:"tenant_id"`
	Name                   *string   `gorm:"column:name;size:255;index" json:"name,omitempty"`
	Description            *string   `gorm:"column:description;type:longtext" json:"description,omitempty"`
	Icon                   *string   `gorm:"column:icon;type:longtext" json:"icon,omitempty"`
	Language               *string   `gorm:"column:language;size:32;index" json:"language,omitempty"`
	LLMID                  string    `gorm:"column:llm_id;size:128;not null" json:"llm_id"`
	TenantLLMID            *int64    `gorm:"column:tenant_llm_id;index" json:"tenant_llm_id,omitempty"`
	LLMSetting             JSONMap   `gorm:"column:llm_setting;type:longtext;not null" json:"llm_setting"`
	PromptType             string    `gorm:"column:prompt_type;size:16;not null;default:'simple';index" json:"prompt_type"`
	PromptConfig           JSONMap   `gorm:"column:prompt_config;type:longtext;not null" json:"prompt_config"`
	MetaDataFilter         *JSONMap  `gorm:"column:meta_data_filter;type:longtext" json:"meta_data_filter,omitempty"`
	SimilarityThreshold    float64   `gorm:"column:similarity_threshold;default:0.2" json:"similarity_threshold"`
	VectorSimilarityWeight float64   `gorm:"column:vector_similarity_weight;default:0.3" json:"vector_similarity_weight"`
	TopN                   int64     `gorm:"column:top_n;default:6" json:"top_n"`
	TopK                   int64     `gorm:"column:top_k;default:1024" json:"top_k"`
	DoRefer                string    `gorm:"column:do_refer;size:1;not null;default:1" json:"do_refer"`
	RerankID               string    `gorm:"column:rerank_id;size:128;not null;default:''" json:"rerank_id"`
	TenantRerankID         *int64    `gorm:"column:tenant_rerank_id;index" json:"tenant_rerank_id,omitempty"`
	KBIDs                  JSONSlice `gorm:"column:kb_ids;type:longtext;not null" json:"kb_ids"`
	Status                 *string   `gorm:"column:status;size:1;index" json:"status,omitempty"`
	BaseModel
}

// TableName specify table name
func (Chat) TableName() string {
	return "dialog"
}

// Conversation conversation model
type ChatSession struct {
	ID        string          `gorm:"column:id;primaryKey;size:32" json:"id"`
	DialogID  string          `gorm:"column:dialog_id;size:32;not null;index" json:"dialog_id"`
	Name      *string         `gorm:"column:name;size:255;index" json:"name,omitempty"`
	Message   json.RawMessage `gorm:"column:message;type:longtext" json:"message,omitempty"`
	Reference json.RawMessage `gorm:"column:reference;type:longtext" json:"reference"`
	UserID    *string         `gorm:"column:user_id;size:255;index" json:"user_id,omitempty"`
	BaseModel
}

// TableName specify table name
func (ChatSession) TableName() string {
	return "conversation"
}