// Copyright 2014 The Kyua Authors.
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#include "cli/cmd_report_junit.hpp"

#include <cstddef>
#include <cstdlib>
#include <set>

#include "cli/common.ipp"
#include "drivers/report_junit.hpp"
#include "drivers/scan_results.hpp"
#include "engine/filters.hpp"
#include "store/layout.hpp"
#include "utils/cmdline/options.hpp"
#include "utils/cmdline/parser.ipp"
#include "utils/defs.hpp"
#include "utils/optional.ipp"
#include "utils/stream.hpp"

namespace cmdline = utils::cmdline;
namespace config = utils::config;
namespace fs = utils::fs;
namespace layout = store::layout;

using cli::cmd_report_junit;
using utils::optional;


/// Default constructor for cmd_report.
cmd_report_junit::cmd_report_junit(void) : cli_command(
    "report-junit", "", 0, 0,
    "Generates a JUnit report with the result of a test suite run")
{
    add_option(results_file_open_option);
    add_option(cmdline::path_option("output", "Path to the output file", "path",
                                    "/dev/stdout"));
}


/// Entry point for the "report" subcommand.
///
/// \param unused_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_report_junit::run(cmdline::ui* UTILS_UNUSED_PARAM(ui),
                      const cmdline::parsed_cmdline& cmdline,
                      const config::tree& UTILS_UNUSED_PARAM(user_config))
{
    const fs::path results_file = layout::find_results(
        results_file_open(cmdline));

    std::auto_ptr< std::ostream > output = utils::open_ostream(
        cmdline.get_option< cmdline::path_option >("output"));

    drivers::report_junit_hooks hooks(*output.get());
    drivers::scan_results::drive(results_file,
                                 std::set< engine::test_filter >(),
                                 hooks);

    return EXIT_SUCCESS;
}