using HanaToolbox.Cli;
using HanaToolbox.Config;
using HanaToolbox.Logging;
using HanaToolbox.Services;

namespace HanaToolbox.Commands;

public static class ImportCommand
{
    public static async Task<int> RunAsync(CliArgs cli)
    {
        var log    = new AppLogger(cli.Verbose);
        var schema = cli.Pos(0);
        var path   = cli.Pos(1);

        if (string.IsNullOrWhiteSpace(schema) || string.IsNullOrWhiteSpace(path))
        {
            Console.Error.WriteLine("Usage: hanatoolbox import <schema> <path> [-c] [-t N] [--replace]");
            return 1;
        }

        try
        {
            var config  = ConfigService.Load();
            var sid     = string.IsNullOrWhiteSpace(cli.Sid) ? config.Hana.Sid : cli.Sid;
            var svc     = ServiceFactory.CreateBackupService(log);
            var locator = ServiceFactory.CreateLocator(log);
            var hdbsql  = locator.LocateHdbsql(config.Hana.HdbsqlPath, sid, config.Hana.InstanceNumber);
            var threads = cli.Threads > 0 ? cli.Threads : Math.Max(1, Environment.ProcessorCount / 2);
            await svc.ImportSchemaAsync(hdbsql, config.Backup.UserKey, schema, path,
                threads, cli.Compress, cli.Replace, newSchema: null, sid, CancellationToken.None);
            return 0;
        }
        catch (Exception ex) { log.Error(ex.Message); return 1; }
    }
}