/*******************************************************************************
 * Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
 * Unauthorized copying of this file, via any medium is strictly prohibited.
 * Proprietary and confidential.
 ******************************************************************************/
#pragma once

#include "MetaTypes.h"
#include "Options.h"
#include "Status.h"

#include <cstddef>
#include <ctime>
#include <memory>

namespace zilliz {
namespace milvus {
namespace engine {
namespace meta {


class Meta {
public:
    using Ptr = std::shared_ptr<Meta>;

    virtual ~Meta() = 0;
    virtual Status CreateTable(TableSchema& table_schema) = 0;
    virtual Status DescribeTable(TableSchema& table_schema) = 0;
    virtual Status HasTable(const std::string& table_id, bool& has_or_not) = 0;
    virtual Status AllTables(std::vector<TableSchema>& table_schema_array) = 0;

    virtual Status DeleteTable(const std::string& table_id) = 0;
    virtual Status DeleteTableFiles(const std::string& table_id) = 0;

    virtual Status CreateTableFile(TableFileSchema& file_schema) = 0;
    virtual Status DropPartitionsByDates(const std::string& table_id,
            const DatesT& dates) = 0;

    virtual Status GetTableFiles(const std::string& table_id,
            const std::vector<size_t>& ids,
            TableFilesSchema& table_files) = 0;

    virtual Status UpdateTableFilesToIndex(const std::string& table_id) = 0;

    virtual Status UpdateTableFile(TableFileSchema& file_schema) = 0;

    virtual Status UpdateTableFiles(TableFilesSchema& files) = 0;

    virtual Status FilesToSearch(const std::string &table_id,
                                 const DatesT &partition,
                                 DatePartionedTableFilesSchema& files) = 0;

    virtual Status FilesToMerge(const std::string& table_id,
            DatePartionedTableFilesSchema& files) = 0;

    virtual Status Size(uint64_t& result) = 0;

    virtual Status Archive() = 0;

    virtual Status FilesToIndex(TableFilesSchema&) = 0;

    virtual Status HasNonIndexFiles(const std::string& table_id, bool& has) = 0;

    virtual Status CleanUp() = 0;
    virtual Status CleanUpFilesWithTTL(uint16_t) = 0;

    virtual Status DropAll() = 0;

    virtual Status Count(const std::string& table_id, uint64_t& result) = 0;

    static DateT GetDate(const std::time_t& t, int day_delta = 0);
    static DateT GetDate();
    static DateT GetDateWithDelta(int day_delta);

}; // MetaData

} // namespace meta
} // namespace engine
} // namespace milvus
} // namespace zilliz