using System.Text.Json.Serialization;

namespace decePubClient.Models.Mastodon;

/// <summary>Mastodon's WebPushSubscription (/api/v1/push/subscription): one per access token, so one per persona.
/// Alerts holds every alert PrivaPub knows, true or false.</summary>
public class WebPushSubscription
{
	public string Id { get; set; }
	public string Endpoint { get; set; }
	public bool Standard { get; set; }
	public Dictionary<string, bool> Alerts { get; set; } = [];
	/// <summary>The server's VAPID public key, URL-safe base64.</summary>
	public string ServerKey { get; set; }
	/// <summary>all, followed, follower or none.</summary>
	public string Policy { get; set; }
}

/// <summary>POST /api/v1/push/subscription as JSON: the browser's subscription and what it is pushed. PrivaPub reads it as
/// Mastodon's flattened parameters (subscription[endpoint], subscription[keys][p256dh], data[alerts][mention], ...).</summary>
public class PushSubscriptionForm
{
	public PushEndpoint Subscription { get; set; } = new();
	public PushData Data { get; set; } = new();
}

/// <summary>The browser's push subscription: where the push service takes the pushes, and the keys they are encrypted
/// to. Standard: RFC 8291's aes128gcm (with RFC 8292's VAPID header), which every browser that pushes decrypts.</summary>
public class PushEndpoint
{
	public string Endpoint { get; set; }
	public PushKeys Keys { get; set; } = new();
	public bool Standard { get; set; }
}

/// <summary>The browser's P-256 public key and authentication secret, URL-safe base64.</summary>
public class PushKeys
{
	[JsonPropertyName("p256dh")]
	public string P256dh { get; set; }
	public string Auth { get; set; }
}

/// <summary>What a subscription is pushed: each alert on or off (one left out is off), and whose.</summary>
public class PushData
{
	public Dictionary<string, bool> Alerts { get; set; } = [];
	public string Policy { get; set; }
}

/// <summary>PUT /api/v1/push/subscription: data[alerts] and data[policy] replace what the subscription had.</summary>
public class PushDataForm
{
	public PushData Data { get; set; } = new();
}