#include "vcpkg_Commands.h"
#include "vcpkg_System.h"
#include "vcpkg.h"
#include <fstream>

namespace vcpkg
{
    static void search_file(const vcpkg_paths& paths, const std::string& file_substr, const StatusParagraphs& status_db)
    {
        std::string line;

        for (auto&& pgh : status_db)
        {
            if (pgh->state != install_state_t::installed)
                continue;

            std::fstream listfile(paths.listfile_path(pgh->package));
            while (std::getline(listfile, line))
            {
                if (line.empty())
                {
                    continue;
                }

                if (line.find(file_substr) != std::string::npos)
                {
                    System::println("%s: %s", pgh->package.displayname(), line);
                }
            }
        }
    }

    void owns_command(const vcpkg_cmd_arguments& args, const vcpkg_paths& paths)
    {
        static const std::string example = Strings::format("The argument should be a pattern to search for. %s", create_example_string("owns zlib.dll"));
        args.check_exact_arg_count(1, example.c_str());

        StatusParagraphs status_db = database_load_check(paths);
        search_file(paths, args.command_arguments[0], status_db);
        exit(EXIT_SUCCESS);
    }
}