using System.Text.Json.Serialization;

namespace FinalFactory.Rendezvous.Contracts;

public sealed class SessionListing
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public SessionListingId ListingId { get; set; }

    [JsonRequired]
    public GameId GameId { get; set; }

    [JsonRequired]
    public EnvironmentId EnvironmentId { get; set; }

    [JsonRequired]
    public RegionId RegionId { get; set; }

    [JsonRequired]
    public uint ProtocolVersion { get; set; }

    [JsonRequired]
    public string BuildVersion { get; set; } = string.Empty;

    [JsonRequired]
    public string DisplayName { get; set; } = string.Empty;

    [JsonRequired]
    public ListingVisibility Visibility { get; set; }

    [JsonRequired]
    public PublisherTrustMode PublisherTrustMode { get; set; }

    [JsonRequired]
    public SessionCapacity Capacity { get; set; } = new();

    [JsonRequired]
    public Dictionary<string, string> Metadata { get; set; } = new(StringComparer.Ordinal);

    public NetworkEndpoint? DedicatedFallback { get; set; }
}

public sealed class RegisterSessionRequest
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public string IdempotencyKey { get; set; } = string.Empty;

    [JsonRequired]
    public GameId GameId { get; set; }

    [JsonRequired]
    public EnvironmentId EnvironmentId { get; set; }

    [JsonRequired]
    public RegionId RegionId { get; set; }

    [JsonRequired]
    public uint ProtocolVersion { get; set; }

    [JsonRequired]
    public string BuildVersion { get; set; } = string.Empty;

    [JsonRequired]
    public string DisplayName { get; set; } = string.Empty;

    [JsonRequired]
    public ListingVisibility Visibility { get; set; }

    [JsonRequired]
    public SessionCapacity Capacity { get; set; } = new();

    [JsonRequired]
    public Dictionary<string, string> Metadata { get; set; } = new(StringComparer.Ordinal);

    public NetworkEndpoint? DedicatedFallback { get; set; }
}

public sealed class RegisterSessionResponse
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public SessionListingId ListingId { get; set; }

    [JsonRequired]
    public LeaseId LeaseId { get; set; }

    [JsonRequired]
    public string LeaseToken { get; set; } = string.Empty;

    [JsonRequired]
    public MediationHandle HostPresenceHandle { get; set; }

    [JsonRequired]
    public string HostPresenceCapability { get; set; } = string.Empty;

    [JsonRequired]
    public DateTimeOffset ExpiresAt { get; set; }

    [JsonRequired]
    public int LeaseRenewAfterSeconds { get; set; }

    [JsonRequired]
    public int HostPresenceRefreshAfterSeconds { get; set; }
}

public sealed class RenewLeaseRequest
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public string LeaseToken { get; set; } = string.Empty;
}

public sealed class RenewLeaseResponse
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public DateTimeOffset ExpiresAt { get; set; }

    [JsonRequired]
    public int RenewAfterSeconds { get; set; }
}

public sealed class UpdateSessionRequest
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public string LeaseToken { get; set; } = string.Empty;

    [JsonRequired]
    public string BuildVersion { get; set; } = string.Empty;

    [JsonRequired]
    public string DisplayName { get; set; } = string.Empty;

    [JsonRequired]
    public SessionCapacity Capacity { get; set; } = new();

    [JsonRequired]
    public Dictionary<string, string> Metadata { get; set; } = new(StringComparer.Ordinal);

    public NetworkEndpoint? DedicatedFallback { get; set; }
}

public sealed class DeleteSessionRequest
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public string LeaseToken { get; set; } = string.Empty;
}

public sealed class BrowseSessionsRequest
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public GameId GameId { get; set; }

    [JsonRequired]
    public EnvironmentId EnvironmentId { get; set; }

    [JsonRequired]
    public uint ProtocolVersion { get; set; }
    public RegionId? RegionId { get; set; }
    public int PageSize { get; set; } = ContractLimits.BrowserPageMaxItems;

    public bool ExcludeFull { get; set; }

    public string? Cursor { get; set; }
}

public sealed class BrowseSessionsResponse
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public List<SessionListing> Items { get; set; } = [];

    public string? NextCursor { get; set; }
}

public sealed class GetSessionResponse
{
    [JsonRequired]
    public int ContractVersion { get; set; } = ContractLimits.ContractVersion;

    [JsonRequired]
    public SessionListing Session { get; set; } = new();
}