namespace ytLive.Models;

public class YouTubeChannel
{
    public string ChannelId { get; set; } = string.Empty;
    public string DisplayName { get; set; } = string.Empty;
    public string ProfileImageUrl { get; set; } = string.Empty;
    public string AccessToken { get; set; } = string.Empty;
    public string RefreshToken { get; set; } = string.Empty;
    public DateTime TokenExpiry { get; set; }
}

/// <summary>The channel's reusable live stream (TASK 5): created once, cached,
/// rebound to every broadcast. The RTMP URL the encoder pushes to is the
/// ingestion address + "/" + stream name.</summary>
public record ReusableStream(string Id, string IngestionAddress, string StreamName)
{
    public string RtmpUrl => $"{IngestionAddress}/{StreamName}";
}

/// <summary>The six monetization events YouTube's live chat feed emits (the ONLY
/// native event stream there is — free subscribers produce no event). Each kind
/// drives its own celebration animation in the AlertBox. <c>None</c> = a normal
/// chat row: it never enqueues an alert (subscriber mentions stay chat rows).</summary>
public enum ChatEventKind
{
    None,
    SuperChat,
    SuperSticker,
    NewMember,
    MemberGift,
    GiftReceived,
    MemberMilestone,
}

public class ChatMessage
{
    public string Id { get; init; } = Guid.NewGuid().ToString();
    public string AuthorName { get; set; } = string.Empty;
    public string AuthorChannelId { get; set; } = string.Empty;
    public string AuthorImageUrl { get; set; } = string.Empty;
    public string Message { get; set; } = string.Empty;
    public DateTime Timestamp { get; set; }
    public bool IsSuperChat { get; set; }
    public double SuperChatAmount { get; set; }
    public string? SuperChatCurrency { get; set; }

    /// <summary>YouTube's own pre-rendered amount ("$12.34") — preferred over
    /// recomposing amount+currency ourselves, which mangles non-dollar locales.</summary>
    public string? SuperChatDisplayString { get; set; }

    public bool IsMember { get; set; }
    public string? MembershipLevel { get; set; }

    public ChatEventKind Kind { get; set; }

    public string? SuperStickerDescription { get; set; }

    /// <summary>membershipGiftingEvent: how many memberships were bought.</summary>
    public int GiftNewMembersCount { get; set; }

    /// <summary>giftMembershipReceivedEvent: who gifted this one.</summary>
    public string? GifterName { get; set; }

    /// <summary>memberMilestoneChatEvent: streak months (0 = YouTube didn't
    /// expose a count — the animation falls back to the message text).</summary>
    public int MilestoneMonths { get; set; }

    /// <summary>TASK 41: the Test Stream dock injects synthetic member / SuperChat /
    /// subscriber events locally (YouTube's insert API only supports text), so the
    /// buffer can label them honestly — simulated events never reach YouTube.</summary>
    public bool IsSimulated { get; set; }
}