// Copyright 2013 The Kyua Authors.

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#include "cli/cmd_db_migrate.hpp"

#include <cstdlib>

#include "cli/common.ipp"

#include "store/exceptions.hpp"

#include "store/layout.hpp"

#include "store/migrate.hpp"

#include "utils/cmdline/options.hpp"

#include "utils/cmdline/ui.hpp"

#include "utils/defs.hpp"

#include "utils/format/macros.hpp"

#include "utils/fs/path.hpp"

namespace cmdline = utils::cmdline;

namespace config = utils::config;

namespace fs = utils::fs;

namespace layout = store::layout;

using cli::cmd_db_migrate;

/// Default constructor for cmd_db_migrate.

cmd_db_migrate::cmd_db_migrate(void) : cli_command(

    "db-migrate", "", 0, 0,

    "Upgrades the schema of an existing results file to the currently "

    "implemented version.  A backup of the results file is created, but "

    "this operation is not reversible")

{

    add_option(results_file_open_option);

}

/// Entry point for the "db-migrate" subcommand.

///

/// \param ui Object to interact with the I/O of the program.

/// \param cmdline Representation of the command line to the subcommand.

/// \param unused_user_config The runtime configuration of the program.

///

/// \return 0 if everything is OK, 1 if the statement is invalid or if there is

/// any other problem.

int

cmd_db_migrate::run(cmdline::ui* ui, const cmdline::parsed_cmdline& cmdline,

                    const config::tree& UTILS_UNUSED_PARAM(user_config))

{

    try {

        const fs::path results_file = layout::find_results(

            results_file_open(cmdline));

        store::migrate_schema(results_file);

        return EXIT_SUCCESS;

    } catch (const store::error& e) {

        cmdline::print_error(ui, F("Migration failed: %s.") % e.what());

        return EXIT_FAILURE;

    }

}