using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using WIDESEAWCS_RedisService.Connection;
using WIDESEAWCS_RedisService.Options;

namespace WIDESEAWCS_RedisService.Bitmap
{
    public class RedisBitmapService : IBitmapService
    {
        private readonly IRedisConnectionManager _connectionManager;
        private readonly RedisOptions _options;
        private readonly ILogger<RedisBitmapService> _logger;

        public RedisBitmapService(
            IRedisConnectionManager connectionManager,
            IOptions<RedisOptions> options,
            ILogger<RedisBitmapService> logger)
        {
            _connectionManager = connectionManager;
            _options = options.Value;
            _logger = logger;
        }

        private string BuildKey(string key) => $"{_options.KeyPrefix}bitmap:{key}";

        public bool SetBit(string key, long offset, bool value)
        {
            return _connectionManager.GetDatabase().StringSetBit(BuildKey(key), offset, value);
        }

        public bool GetBit(string key, long offset)
        {
            return _connectionManager.GetDatabase().StringGetBit(BuildKey(key), offset);
        }

        public long BitCount(string key)
        {
            return _connectionManager.GetDatabase().StringBitCount(BuildKey(key));
        }

        public long BitCount(string key, long start, long end)
        {
            return _connectionManager.GetDatabase().StringBitCount(BuildKey(key), start, end);
        }
    }
}