package commentmod

import (
	"context"
	"fmt"
	"videoweb/pub/common/log"
	"videoweb/pub/common/srvdef"
	"videoweb/pub/mongos"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
)

// 表名

var db *mongos.Collection

func Init(ctx context.Context) {
	// 获取数据库表
	db = mongos.Shop.Coll(TN.Comment)
	// 获取数据库表
	indexes := []mongo.IndexModel{
		{
			Keys:    bson.D{{Key: FN.Comment.AiTaskId, Value: 1}, {Key: FN.Comment.AiIndex, Value: 1}},
			Options: options.Index().SetUnique(true).SetPartialFilterExpression(bson.M{FN.Comment.AiTaskId: bson.M{"$exists": true}}),
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.ObjectId, Value: 1},
			},
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.Id, Value: 1},
				{Key: FN.Comment.CreatedAt, Value: -1},
			},
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.CreatedAt, Value: -1},
			},
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.ObjectId, Value: 1},
				{Key: FN.Comment.ReviewStatus, Value: 1},
				{Key: FN.Comment.Level, Value: 1},
			},
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.ObjectId, Value: 1},
				{Key: FN.Comment.ObjectType, Value: 1},
				{Key: FN.Comment.ReviewStatus, Value: 1},
				{Key: FN.Comment.ParentsId, Value: 1},
				{Key: FN.Comment.CreatedAt, Value: -1},
			},
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.UserId, Value: 1},
				{Key: FN.Comment.ObjectType, Value: 1},
				{Key: FN.Comment.CreatedAt, Value: -1},
			},
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.ObjectId, Value: 1},
				{Key: FN.Comment.ObjectType, Value: 1},
				{Key: FN.Comment.ReviewStatus, Value: 1},
				{Key: FN.Comment.ParentsId, Value: 1},
				{Key: FN.Comment.CountLike, Value: -1},
			},
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.ParentsId, Value: 1},
				{Key: FN.Comment.Level, Value: 1},
				{Key: FN.Comment.ReviewStatus, Value: 1},
				{Key: FN.Comment.CreatedAt, Value: 1},
				{Key: FN.Comment.Id, Value: 1},
			},
		},
		{
			Keys: bson.D{
				{Key: FN.Comment.TopRank, Value: -1},
			},
		},
	}
	if _, err := db.CreateIndex(ctx, indexes); err != nil {
		panic(fmt.Sprintf("(comment:initCommentIndex) Create Comment Index failed! err:%+v:", err))
	}
}

// InsertAICommentOnce makes a generated result safe to process again after a crash.
func InsertAICommentOnce(ctx context.Context, comment *CommentModel) (bool, *srvdef.SrvErr) {
	filter := bson.M{FN.Comment.AiTaskId: comment.AiTaskId, FN.Comment.AiIndex: comment.AiIndex}
	result, err := db.UpsertOne(ctx, filter, bson.M{"$setOnInsert": comment})
	if err != nil {
		log.Warn("comment:InsertAICommentOnce failed", log.E(err))
		return false, srvdef.New(srvdef.ErrDbInsertError, "", "")
	}
	return result.UpsertedCount > 0, nil
}

// InsertOneComment 插入一个评论
func InsertOneComment(ctx context.Context, Comment *CommentModel) *srvdef.SrvErr {
	if _, err := db.InsertOne(ctx, Comment); err != nil {
		log.Warn("comment:InsertOneComment db.InsertOne failed", log.E(err))
		return srvdef.New(srvdef.ErrDbInsertError, "", "")
	}
	return nil
}

// DelOneComment 删除一个评论
func DelOneComment(ctx context.Context, filter bson.M) (
	int64, *srvdef.SrvErr) {
	count, err := db.DeleteOne(ctx, filter)
	if err != nil {
		log.Warn("comment:DelOneComment db.DeleteOne failed",
			log.E(err), log.Any("filter", filter))
		return 0, srvdef.New(srvdef.ErrDbDeleteError, "", "")
	}
	return count, nil
}

// DelManyComment 删除一个评论评论
func DelManyComment(ctx context.Context, filter bson.M) (
	int64, *srvdef.SrvErr) {
	count, err := db.DeleteMany(ctx, filter)
	if err != nil {
		log.Warn("comment:DelOneComment db.DeleteOne failed",
			log.E(err), log.Any("filter", filter))
		return 0, srvdef.New(srvdef.ErrDbDeleteError, "", "")
	}
	return count, nil
}

// FindOneComment 查找一个评论
func FindOneComment(ctx context.Context, filter bson.M, opts ...*options.FindOneOptions) (
	*CommentModel, *srvdef.SrvErr) {
	var Comment CommentModel
	if err := db.FindOneEx(
		ctx, &Comment, filter, opts...); err != nil {
		if err != mongo.ErrNoDocuments {
			log.Info("comment:FindOneComment db.FindOne failed",
				log.E(err), log.Any("filter", filter))
			return nil, srvdef.New(srvdef.ErrDbQueryError, "", "")
		}
		return nil, srvdef.New(srvdef.ErrNoData, "", "")
	}
	return &Comment, nil
}

// CountComments 统计评论视频评论数量
func CountComments(ctx context.Context, filter bson.M) (
	int64, *srvdef.SrvErr) {
	count, err := db.Count(ctx, filter)
	if err != nil {
		log.Warn("comment:CountComments db.Count failed",
			log.E(err), log.Any("filter", filter))
		return 0, srvdef.New(srvdef.ErrDbQueryError, "", "")
	}
	return count, nil
}

// UpdateOneComment 更新一个评论
func UpdateOneComment(ctx context.Context, filter bson.M, update bson.M) *srvdef.SrvErr {
	result, err := db.UpdateOne(ctx, filter, update)
	if err != nil {
		log.Warn("comment:UpdateOneComment db.UpdateOne failed",
			log.E(err), log.Any("filter", filter))
		return srvdef.New(srvdef.ErrDbUpdateError, "", "")
	}
	if result.MatchedCount != 1 {
		log.Warn("comment:UpdateOneComment db.UpdateOne failed",
			log.E(err), log.Any("filter", filter))
		return srvdef.New(srvdef.ErrNoData, "", "")
	}
	return nil
}

// UpdateManyComment 更新一批评论
func UpdateManyComment(ctx context.Context, filter bson.M, update bson.M) *srvdef.SrvErr {
	result, err := db.UpdateMMany(ctx, filter, update)
	if err != nil {
		log.Warn("comment:UpdateManyComment db.UpdateMMany failed",
			log.E(err), log.Any("filter", filter))
		return srvdef.New(srvdef.ErrDbUpdateError, "", "")
	}
	if result.MatchedCount <= 0 {
		log.Warn("comment:UpdateManyComment db.UpdateMMany failed",
			log.E(err), log.Any("filter", filter))
		//return srvdef.New(srvdef.ErrCommentNotExsit, "", "")
	}
	return nil
}

// FindManyComment 查找一批评论
func FindManyComment(ctx context.Context, filter bson.M,
	opts ...*options.FindOptions) (CommentModelList, *srvdef.SrvErr) {
	data := make(CommentModelList, 0)
	if err := db.Find(ctx, &data, filter, opts...); err != nil {
		log.Warn("comment:FindManyComment db.Find failed",
			log.E(err), log.Any("filter", filter))
		return nil, srvdef.New(srvdef.ErrDbQueryError, "", "")
	}
	return data, nil
}

// InsertManyComment 插入一批用户
func InsertManyComment(ctx context.Context, histrory *CommentModelList) *srvdef.SrvErr {
	if _, err := db.InsertMany(ctx, histrory); err != nil {
		log.Warn("comment:InsertManyComment db.InsertMany failed", log.E(err))
		return srvdef.New(srvdef.ErrDbInsertError, "", "")
	}
	return nil
}

// AggregateComment 聚合查找一批数据
func AggregateComment(ctx context.Context,
	bind interface{}, pipeline []bson.M) *srvdef.SrvErr {
	if err := db.Aggregate(ctx, bind, pipeline); err != nil {
		log.Warn("comment:AggregateComment db.Aggregate failed",
			log.E(err), log.Any("pipeline", pipeline))
		return srvdef.New(srvdef.ErrDbQueryError, "", "")
	}
	return nil
}

// ObjectAggregateComment 聚合查找一批数据
func ObjectAggregateComment(ctx context.Context,
	bind interface{}, pipeline []bson.M) *srvdef.SrvErr {
	if err := db.ObjectAggregate(ctx, bind, pipeline); err != nil {
		log.Warn("comment:AggregateComment db.Aggregate failed",
			log.E(err), log.Any("pipeline", pipeline))
		return srvdef.New(srvdef.ErrDbQueryError, "", "")
	}
	return nil
}