using Dapper;
using NzbDrone.Core.Datastore;

namespace NzbDrone.Core.Housekeeping.Housekeepers
{
    public class CleanupAbsolutePathMetadataFiles : IHousekeepingTask
    {
        private readonly IMainDatabase _database;

        public CleanupAbsolutePathMetadataFiles(IMainDatabase database)
        {
            _database = database;
        }

        public void Clean()
        {
            using (var mapper = _database.OpenConnection())
            {
                if (_database.DatabaseType == DatabaseType.PostgreSQL)
                {
                    mapper.Execute(@"DELETE FROM ""MetadataFiles""
                                     WHERE ""Id"" = ANY (
                                         SELECT ""Id"" FROM ""MetadataFiles""
                                         WHERE ""RelativePath""
                                         LIKE '_:\\%'
                                         OR ""RelativePath""
                                         LIKE '\\%'
                                         OR ""RelativePath""
                                         LIKE '/%'
                                     )");
                }
                else
                {
                    mapper.Execute(@"DELETE FROM ""MetadataFiles""
                                     WHERE ""Id"" IN (
                                         SELECT ""Id"" FROM ""MetadataFiles""
                                         WHERE ""RelativePath""
                                         LIKE '_:\%'
                                         OR ""RelativePath""
                                         LIKE '\%'
                                         OR ""RelativePath""
                                         LIKE '/%'
                                     )");
                }
            }
        }
    }
}