using MongoDB.Driver;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Linq.Expressions;
using MongoDbGenericRepository.Models;
using System.Linq;

namespace MongoDbGenericRepository
{

    /// <summary>
    /// The IBaseMongoRepository exposes the CRUD functionality of the BaseMongoRepository.
    /// </summary>
    public interface IBaseMongoRepository : IReadOnlyMongoRepository
    {
        #region Create

        /// <summary>
        /// Asynchronously adds a document to the collection.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="document">The document you want to add.</param>
        Task AddOneAsync<TDocument>(TDocument document) where TDocument : IDocument;

        /// <summary>
        /// Adds a document to the collection.
        /// Populates the Id and AddedAtUtc fields if necessary.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="document">The document you want to add.</param>
        void AddOne<TDocument>(TDocument document) where TDocument : IDocument;

        /// <summary>
        /// Asynchronously adds a list of documents to the collection.
        /// Populates the Id and AddedAtUtc fields if necessary.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="documents">The document you want to add.</param>
        Task AddManyAsync<TDocument>(IEnumerable<TDocument> documents) where TDocument : IDocument;

        /// <summary>
        /// Adds a list of documents to the collection.
        /// Populates the Id and AddedAtUtc fields if necessary.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="documents">The document you want to add.</param>
        void AddMany<TDocument>(IEnumerable<TDocument> documents) where TDocument : IDocument;

        #endregion

        #region Create TKey

        /// <summary>
        /// Asynchronously adds a document to the collection.
        /// Populates the Id and AddedAtUtc fields if necessary.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="document">The document you want to add.</param>
        Task AddOneAsync<TDocument, TKey>(TDocument document)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Adds a document to the collection.
        /// Populates the Id and AddedAtUtc fields if necessary.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="document">The document you want to add.</param>
        void AddOne<TDocument, TKey>(TDocument document)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Asynchronously adds a list of documents to the collection.
        /// Populates the Id and AddedAtUtc fields if necessary.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="documents">The documents you want to add.</param>
        Task AddManyAsync<TDocument, TKey>(IEnumerable<TDocument> documents)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Adds a list of documents to the collection.
        /// Populates the Id and AddedAtUtc fields if necessary.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="documents">The documents you want to add.</param>
        void AddMany<TDocument, TKey>(IEnumerable<TDocument> documents)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        #endregion

        #region Update

        /// <summary>
        /// Asynchronously Updates a document.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="modifiedDocument">The document with the modifications you want to persist.</param>
        Task<bool> UpdateOneAsync<TDocument>(TDocument modifiedDocument) where TDocument : IDocument;

        /// <summary>
        /// Updates a document.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="modifiedDocument">The document with the modifications you want to persist.</param>
        bool UpdateOne<TDocument>(TDocument modifiedDocument) where TDocument : IDocument;

        /// <summary>
        /// Updates the property field with the given value update a property field in entities.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TField">The type of the field.</typeparam>
        /// <param name="filter">The document filter.</param>
        /// <param name="field">The field selector.</param>
        /// <param name="value">The new value of the property field.</param>
        /// <param name="partitionKey">The value of the partition key.</param>
        bool UpdateOne<TDocument, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
            where TDocument : IDocument;

        /// <summary>
        /// Updates the property field with the given value update a property field in entities.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TField">The type of the field.</typeparam>
        /// <param name="filter">The document filter.</param>
        /// <param name="field">The field selector.</param>
        /// <param name="value">The new value of the property field.</param>
        /// <param name="partitionKey">The value of the partition key.</param>
        Task<bool> UpdateOneAsync<TDocument, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
            where TDocument : IDocument;

        /// <summary>
        /// Updates the property field with the given value update a property field in entities.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TField">The type of the field.</typeparam>
        /// <param name="documentToModify">The document you want to modify.</param>
        /// <param name="field">The field selector.</param>
        /// <param name="value">The new value of the property field.</param>
        bool UpdateOne<TDocument, TField>(TDocument documentToModify, Expression<Func<TDocument, TField>> field, TField value)
            where TDocument : IDocument;

        /// <summary>
        /// Updates the property field with the given value update a property field in entities.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TField">The type of the field.</typeparam>
        /// <param name="documentToModify">The document you want to modify.</param>
        /// <param name="field">The field selector.</param>
        /// <param name="value">The new value of the property field.</param>
        Task<bool> UpdateOneAsync<TDocument, TField>(TDocument documentToModify, Expression<Func<TDocument, TField>> field, TField value)
            where TDocument : IDocument;

        /// <summary>
        /// Takes a document you want to modify and applies the update you have defined in MongoDb.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="documentToModify">The document you want to modify.</param>
        /// <param name="update">The update definition for the document.</param>
        Task<bool> UpdateOneAsync<TDocument>(TDocument documentToModify, UpdateDefinition<TDocument> update)
            where TDocument : IDocument;

        /// <summary>
        /// Takes a document you want to modify and applies the update you have defined in MongoDb.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="documentToModify">The document you want to modify.</param>
        /// <param name="update">The update definition for the document.</param>
        bool UpdateOne<TDocument>(TDocument documentToModify, UpdateDefinition<TDocument> update)
            where TDocument : IDocument;

        #endregion

        #region Update TKey

        /// <summary>
        /// Asynchronously Updates a document.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="modifiedDocument">The document with the modifications you want to persist.</param>
        Task<bool> UpdateOneAsync<TDocument, TKey>(TDocument modifiedDocument)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Updates a document.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="modifiedDocument">The document with the modifications you want to persist.</param>
        bool UpdateOne<TDocument, TKey>(TDocument modifiedDocument)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Takes a document you want to modify and applies the update you have defined in MongoDb.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="documentToModify">The document you want to modify.</param>
        /// <param name="update">The update definition for the document.</param>
        Task<bool> UpdateOneAsync<TDocument, TKey>(TDocument documentToModify, UpdateDefinition<TDocument> update)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Takes a document you want to modify and applies the update you have defined in MongoDb.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="documentToModify">The document you want to modify.</param>
        /// <param name="update">The update definition for the document.</param>
        bool UpdateOne<TDocument, TKey>(TDocument documentToModify, UpdateDefinition<TDocument> update)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Updates the property field with the given value update a property field in entities.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <typeparam name="TField">The type of the field.</typeparam>
        /// <param name="documentToModify">The document you want to modify.</param>
        /// <param name="field">The field selector.</param>
        /// <param name="value">The new value of the property field.</param>
        Task<bool> UpdateOneAsync<TDocument, TKey, TField>(TDocument documentToModify, Expression<Func<TDocument, TField>> field, TField value)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Updates the property field with the given value update a property field in entities.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <typeparam name="TField">The type of the field.</typeparam>
        /// <param name="documentToModify">The document you want to modify.</param>
        /// <param name="field">The field selector.</param>
        /// <param name="value">The new value of the property field.</param>
        bool UpdateOne<TDocument, TKey, TField>(TDocument documentToModify, Expression<Func<TDocument, TField>> field, TField value)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Updates the property field with the given value update a property field in entities.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <typeparam name="TField">The type of the field.</typeparam>
        /// <param name="filter">The document filter.</param>
        /// <param name="field">The field selector.</param>
        /// <param name="value">The new value of the property field.</param>
        /// <param name="partitionKey">The value of the partition key.</param>
        Task<bool> UpdateOneAsync<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Updates the property field with the given value update a property field in entities.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <typeparam name="TField">The type of the field.</typeparam>
        /// <param name="filter">The document filter.</param>
        /// <param name="field">The field selector.</param>
        /// <param name="value">The new value of the property field.</param>
        /// <param name="partitionKey">The value of the partition key.</param>
        bool UpdateOne<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        #endregion

        #region Delete

        /// <summary>
        /// Asynchronously deletes a document.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="document">The document you want to delete.</param>
        /// <returns>The number of documents deleted.</returns>
        Task<long> DeleteOneAsync<TDocument>(TDocument document) where TDocument : IDocument;

        /// <summary>
        /// Asynchronously deletes a document matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="filter">A LINQ expression filter.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        /// <returns>The number of documents deleted.</returns>
        Task<long> DeleteOneAsync<TDocument>(Expression<Func<TDocument, bool>> filter, string partitionKey = null) where TDocument : IDocument;

        /// <summary>
        /// Deletes a document.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="document">The document you want to delete.</param>
        /// <returns>The number of documents deleted.</returns>
        long DeleteOne<TDocument>(TDocument document) where TDocument : IDocument;

        /// <summary>
        /// Deletes a document matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="filter">A LINQ expression filter.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        /// <returns>The number of documents deleted.</returns>
        long DeleteOne<TDocument>(Expression<Func<TDocument, bool>> filter, string partitionKey = null) where TDocument : IDocument;

        /// <summary>
        /// Asynchronously deletes the documents matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="filter">A LINQ expression filter.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        /// <returns>The number of documents deleted.</returns>
        Task<long> DeleteManyAsync<TDocument>(Expression<Func<TDocument, bool>> filter, string partitionKey = null) where TDocument : IDocument;

        /// <summary>
        /// Asynchronously deletes a list of documents.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="documents">The list of documents to delete.</param>
        /// <returns>The number of documents deleted.</returns>
        Task<long> DeleteManyAsync<TDocument>(IEnumerable<TDocument> documents) where TDocument : IDocument;

        /// <summary>
        /// Deletes a list of documents.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="documents">The list of documents to delete.</param>
        /// <returns>The number of documents deleted.</returns>
        long DeleteMany<TDocument>(IEnumerable<TDocument> documents) where TDocument : IDocument;

        /// <summary>
        /// Deletes the documents matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="filter">A LINQ expression filter.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        /// <returns>The number of documents deleted.</returns>
        long DeleteMany<TDocument>(Expression<Func<TDocument, bool>> filter, string partitionKey = null) where TDocument : IDocument;

        #endregion

        #region Delete TKey

        /// <summary>
        /// Deletes a document.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="document">The document you want to delete.</param>
        /// <returns>The number of documents deleted.</returns>
        long DeleteOne<TDocument, TKey>(TDocument document)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Asynchronously deletes a document matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="document">The document you want to delete.</param>
        /// <returns>The number of documents deleted.</returns>
        Task<long> DeleteOneAsync<TDocument, TKey>(TDocument document)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Deletes a document matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="filter">A LINQ expression filter.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        /// <returns>The number of documents deleted.</returns>
        long DeleteOne<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Asynchronously deletes a document matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="filter">A LINQ expression filter.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        /// <returns>The number of documents deleted.</returns>
        Task<long> DeleteOneAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Asynchronously deletes the documents matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="filter">A LINQ expression filter.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        /// <returns>The number of documents deleted.</returns>
        Task<long> DeleteManyAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Asynchronously deletes a list of documents.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="documents">The list of documents to delete.</param>
        /// <returns>The number of documents deleted.</returns>
        Task<long> DeleteManyAsync<TDocument, TKey>(IEnumerable<TDocument> documents)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Deletes a list of documents.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="documents">The list of documents to delete.</param>
        /// <returns>The number of documents deleted.</returns>
        long DeleteMany<TDocument, TKey>(IEnumerable<TDocument> documents)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// Deletes the documents matching the condition of the LINQ expression filter.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="filter">A LINQ expression filter.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        /// <returns>The number of documents deleted.</returns>
        long DeleteMany<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        #endregion

        #region Project

        /// <summary>
        /// Asynchronously returns a projected document matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TProjection">The type representing the model you want to project to.</typeparam>
        /// <param name="filter"></param>
        /// <param name="projection">The projection expression.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        Task<TProjection> ProjectOneAsync<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
                                        where TDocument : IDocument
                                        where TProjection : class;

        /// <summary>
        /// Asynchronously returns a projected document matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <typeparam name="TProjection">The type representing the model you want to project to.</typeparam>
        /// <param name="filter"></param>
        /// <param name="projection">The projection expression.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        Task<TProjection> ProjectOneAsync<TDocument, TProjection, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>
            where TProjection : class;

        /// <summary>
        /// Returns a projected document matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TProjection">The type representing the model you want to project to.</typeparam>
        /// <param name="filter"></param>
        /// <param name="projection">The projection expression.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        TProjection ProjectOne<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
                                        where TDocument : IDocument
                                        where TProjection : class;

        /// <summary>
        /// Returns a projected document matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <typeparam name="TProjection">The type representing the model you want to project to.</typeparam>
        /// <param name="filter"></param>
        /// <param name="projection">The projection expression.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        TProjection ProjectOne<TDocument, TProjection, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
                                        where TDocument : IDocument<TKey>
                                        where TKey : IEquatable<TKey>
                                        where TProjection : class;

        /// <summary>
        /// Asynchronously returns a list of projected documents matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TProjection">The type representing the model you want to project to.</typeparam>
        /// <param name="filter"></param>
        /// <param name="projection">The projection expression.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        Task<List<TProjection>> ProjectManyAsync<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
                                        where TDocument : IDocument
                                        where TProjection : class;

        /// <summary>
        /// Asynchronously returns a list of projected documents matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <typeparam name="TProjection">The type representing the model you want to project to.</typeparam>
        /// <param name="filter"></param>
        /// <param name="projection">The projection expression.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        Task<List<TProjection>> ProjectManyAsync<TDocument, TProjection, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
                                        where TDocument : IDocument<TKey>
                                        where TKey : IEquatable<TKey>
                                        where TProjection : class;

        /// <summary>
        /// Asynchronously returns a list of projected documents matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TProjection">The type representing the model you want to project to.</typeparam>
        /// <param name="filter"></param>
        /// <param name="projection">The projection expression.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        List<TProjection> ProjectMany<TDocument, TProjection>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
                                        where TDocument : IDocument
                                        where TProjection : class;

        /// <summary>
        /// Asynchronously returns a list of projected documents matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <typeparam name="TProjection">The type representing the model you want to project to.</typeparam>
        /// <param name="filter"></param>
        /// <param name="projection">The projection expression.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        List<TProjection> ProjectMany<TDocument, TProjection, TKey>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TProjection>> projection, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>
            where TProjection : class;

        #endregion

        /// <summary>
        /// Asynchronously returns a paginated list of the documents matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="filter"></param>
        /// <param name="skipNumber">The number of documents you want to skip. Default value is 0.</param>
        /// <param name="takeNumber">The number of documents you want to take. Default value is 50.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        Task<List<TDocument>> GetPaginatedAsync<TDocument>(Expression<Func<TDocument, bool>> filter, int skipNumber = 0, int takeNumber = 50, string partitionKey = null)
            where TDocument : IDocument;

        /// <summary>
        /// Asynchronously returns a paginated list of the documents matching the filter condition.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="filter"></param>
        /// <param name="skipNumber">The number of documents you want to skip. Default value is 0.</param>
        /// <param name="takeNumber">The number of documents you want to take. Default value is 50.</param>
        /// <param name="partitionKey">An optional partition key.</param>
        Task<List<TDocument>> GetPaginatedAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, int skipNumber = 0, int takeNumber = 50, string partitionKey = null)
            where TDocument : IDocument<TKey>
            where TKey : IEquatable<TKey>;

        /// <summary>
        /// GetAndUpdateOne with filter
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <param name="filter"></param>
        /// <param name="update"></param>
        /// <param name="options"></param>
        /// <returns></returns>
        Task<TDocument> GetAndUpdateOne<TDocument>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> update, FindOneAndUpdateOptions<TDocument, TDocument> options)
            where TDocument : IDocument;

        /// <summary>
        /// GetAndUpdateOne with filter
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
        /// <param name="filter"></param>
        /// <param name="update"></param>
        /// <param name="options"></param>
        /// <returns></returns>
        Task<TDocument> GetAndUpdateOne<TDocument, TKey>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> update, FindOneAndUpdateOptions<TDocument, TDocument> options)
                                        where TDocument : IDocument<TKey>
                                        where TKey : IEquatable<TKey>;

        #region Grouping

        /// <summary>
        /// Groups a collection of documents given a grouping criteria, 
        /// and returns a list of projected documents.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TGroupKey">The type of the grouping criteria.</typeparam>
        /// <typeparam name="TProjection">The type of the projected group.</typeparam>
        /// <param name="groupingCriteria">The grouping criteria.</param>
        /// <param name="groupProjection">The projected group result.</param>
        /// <param name="partitionKey">The partition key of your document, if any.</param>
        List<TProjection> GroupBy<TDocument, TGroupKey, TProjection>(
            Expression<Func<TDocument, TGroupKey>> groupingCriteria,
            Expression<Func<IGrouping<TGroupKey, TDocument>, TProjection>> groupProjection,
            string partitionKey = null)
            where TDocument : IDocument
            where TProjection : class, new();

        /// <summary>
        /// Groups filtered a collection of documents given a grouping criteria, 
        /// and returns a dictionary of listed document groups with keys having the different values of the grouping criteria.
        /// </summary>
        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
        /// <typeparam name="TGroupKey">The type of the grouping criteria.</typeparam>
        /// <typeparam name="TProjection">The type of the projected group.</typeparam>
        /// <param name="filter"></param>
        /// <param name="selector">The grouping criteria.</param>
        /// <param name="projection">The projected group result.</param>
        /// <param name="partitionKey">The partition key of your document, if any.</param>
        List<TProjection> GroupBy<TDocument, TGroupKey, TProjection>(Expression<Func<TDocument, bool>> filter,
                                                       Expression<Func<TDocument, TGroupKey>> selector,
                                                       Expression<Func<IGrouping<TGroupKey, TDocument>, TProjection>> projection,
                                                       string partitionKey = null)
                                                       where TDocument : IDocument
                                                       where TProjection : class, new();

        #endregion
    }

}