// Copyright © 2023 OpenIM. 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 relation

import (
	"context"

	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/table/relation"
	"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
	"gorm.io/gorm"
)

type ConversationGorm struct {
	*MetaDB
}

func NewConversationGorm(db *gorm.DB) relation.ConversationModelInterface {
	return &ConversationGorm{NewMetaDB(db, &relation.ConversationModel{})}
}

func (c *ConversationGorm) NewTx(tx any) relation.ConversationModelInterface {
	return &ConversationGorm{NewMetaDB(tx.(*gorm.DB), &relation.ConversationModel{})}
}

func (c *ConversationGorm) Create(ctx context.Context, conversations []*relation.ConversationModel) (err error) {
	return utils.Wrap(c.db(ctx).Create(&conversations).Error, "")
}

func (c *ConversationGorm) Delete(ctx context.Context, groupIDs []string) (err error) {
	return utils.Wrap(c.db(ctx).Where("group_id in (?)", groupIDs).Delete(&relation.ConversationModel{}).Error, "")
}

func (c *ConversationGorm) UpdateByMap(ctx context.Context, userIDList []string, conversationID string, args map[string]interface{}) (rows int64, err error) {
	result := c.db(ctx).Where("owner_user_id IN (?) and  conversation_id=?", userIDList, conversationID).Updates(args)
	return result.RowsAffected, utils.Wrap(result.Error, "")
}

func (c *ConversationGorm) Update(ctx context.Context, conversation *relation.ConversationModel) (err error) {
	return utils.Wrap(c.db(ctx).Where("owner_user_id = ? and conversation_id = ?", conversation.OwnerUserID, conversation.ConversationID).Updates(conversation).Error, "")
}

func (c *ConversationGorm) Find(ctx context.Context, ownerUserID string, conversationIDs []string) (conversations []*relation.ConversationModel, err error) {
	err = utils.Wrap(c.db(ctx).Where("owner_user_id=? and conversation_id IN (?)", ownerUserID, conversationIDs).Find(&conversations).Error, "")
	return conversations, err
}

func (c *ConversationGorm) Take(ctx context.Context, userID, conversationID string) (conversation *relation.ConversationModel, err error) {
	cc := &relation.ConversationModel{}
	return cc, utils.Wrap(c.db(ctx).Where("conversation_id = ? And owner_user_id = ?", conversationID, userID).Take(cc).Error, "")
}

func (c *ConversationGorm) FindUserID(ctx context.Context, userIDs []string, conversationIDs []string) (existUserID []string, err error) {
	return existUserID, utils.Wrap(c.db(ctx).Where(" owner_user_id IN (?) and conversation_id in (?)", userIDs, conversationIDs).Pluck("owner_user_id", &existUserID).Error, "")
}

func (c *ConversationGorm) FindConversationID(ctx context.Context, userID string, conversationIDList []string) (existConversationID []string, err error) {
	return existConversationID, utils.Wrap(c.db(ctx).Where(" conversation_id IN (?) and owner_user_id=?", conversationIDList, userID).Pluck("conversation_id", &existConversationID).Error, "")
}

func (c *ConversationGorm) FindUserIDAllConversationID(ctx context.Context, userID string) (conversationIDList []string, err error) {
	return conversationIDList, utils.Wrap(c.db(ctx).Where("owner_user_id=?", userID).Pluck("conversation_id", &conversationIDList).Error, "")
}

func (c *ConversationGorm) FindUserIDAllConversations(ctx context.Context, userID string) (conversations []*relation.ConversationModel, err error) {
	return conversations, utils.Wrap(c.db(ctx).Where("owner_user_id=?", userID).Find(&conversations).Error, "")
}

func (c *ConversationGorm) FindRecvMsgNotNotifyUserIDs(ctx context.Context, groupID string) (userIDs []string, err error) {
	return userIDs, utils.Wrap(c.db(ctx).Where("group_id = ? and recv_msg_opt = ?", groupID, constant.ReceiveNotNotifyMessage).Pluck("user_id", &userIDs).Error, "")
}

func (c *ConversationGorm) FindSuperGroupRecvMsgNotNotifyUserIDs(ctx context.Context, groupID string) (userIDs []string, err error) {
	return userIDs, utils.Wrap(c.db(ctx).Where("group_id = ? and recv_msg_opt = ? and conversation_type = ?", groupID, constant.ReceiveNotNotifyMessage, constant.SuperGroupChatType).Pluck("user_id", &userIDs).Error, "")
}

func (c *ConversationGorm) GetUserRecvMsgOpt(ctx context.Context, ownerUserID, conversationID string) (opt int, err error) {
	var conversation relation.ConversationModel
	return int(conversation.RecvMsgOpt), utils.Wrap(c.db(ctx).Where("conversation_id = ? And owner_user_id = ?", conversationID, ownerUserID).Select("recv_msg_opt").Find(&conversation).Error, "")
}

func (c *ConversationGorm) GetAllConversationIDs(ctx context.Context) (conversationIDs []string, err error) {
	return conversationIDs, utils.Wrap(c.db(ctx).Distinct("conversation_id").Pluck("conversation_id", &conversationIDs).Error, "")
}

func (c *ConversationGorm) GetUserAllHasReadSeqs(ctx context.Context, ownerUserID string) (hasReadSeqs map[string]int64, err error) {
	var conversations []*relation.ConversationModel
	err = utils.Wrap(c.db(ctx).Where("owner_user_id = ?", ownerUserID).Select("conversation_id", "has_read_seq").Find(&conversations).Error, "")
	hasReadSeqs = make(map[string]int64, len(conversations))
	// for _, conversation := range conversations {
	// 	hasReadSeqs[conversation.ConversationID] = conversation.HasReadSeq
	// }
	return hasReadSeqs, err
}

func (c *ConversationGorm) GetConversationsByConversationID(ctx context.Context, conversationIDs []string) (conversations []*relation.ConversationModel, err error) {
	return conversations, utils.Wrap(c.db(ctx).Where("conversation_id IN (?)", conversationIDs).Find(&conversations).Error, "")
}