using System.Text.Json;
using OED.Api.Core.Interfaces.Services;
using OED.Api.Core.Models.Eve;
using StackExchange.Redis;

namespace OED.Api.Infrastructure.Auth;

public class SessionService(IConnectionMultiplexer redis) : ISessionService
{
    private readonly IDatabase _db = redis.GetDatabase();
    private static readonly TimeSpan SessionTtl = TimeSpan.FromDays(7);

    public async Task<string> CreateAsync(EveSession session)
    {
        var sessionId = Guid.NewGuid().ToString("N");
        var json = JsonSerializer.Serialize(session);
        await _db.StringSetAsync($"session:{sessionId}", json, SessionTtl);
        return sessionId;
    }

    public async Task<EveSession?> GetAsync(string sessionId)
    {
        var json = await _db.StringGetAsync($"session:{sessionId}");
        if (json.IsNullOrEmpty) return null;
        return JsonSerializer.Deserialize<EveSession>((string)json!);
    }

    public async Task DeleteAsync(string sessionId)
    {
        await _db.KeyDeleteAsync($"session:{sessionId}");
    }
}