moodlit-native/Sources/Core/Sync/PresenceState.swift

import Foundation

/// Wire-Format der Mood-Session in `mana-presence` für `appId="moodlit"`.
/// Schema-Ownership liegt bei Moodlit — `mana-presence` validiert nur
/// Größe und broadcastet 1:1. Sollte sich das Format ändern, hier UND
/// `Code/moodlit/apps/web/src/lib/sync/presence.ts` UND `apps/api/...`
/// synchron mitziehen.
public struct MoodlitSessionPayload: Codable, Sendable, Equatable {
	public let moodId: String
	public let colors: [String]
	public let animation: String
	public let brightness: Int
	public let speed: String

	public init(moodId: String, colors: [String], animation: String, brightness: Int, speed: String) {
		self.moodId = moodId
		self.colors = colors
		self.animation = animation
		self.brightness = brightness
		self.speed = speed
	}
}

/// Server-Repräsentation einer aktiven Session — wird via GET / PUT
/// REST und via SSE-Stream übertragen.
public struct PresenceSession: Codable, Sendable, Equatable {
	public let userId: String
	public let appId: String
	public let payload: MoodlitSessionPayload
	public let source: String
	public let sourceRef: String?
	public let originDevice: String
	public let isPaused: Bool
	public let startedAt: String
	public let updatedAt: String
	public let revision: Int64
}

/// Body für `PUT /v1/sessions`.
public struct PresenceUpsertBody: Encodable, Sendable {
	public let appId: String
	public let payload: MoodlitSessionPayload
	public let source: String
	public let sourceRef: String?
	public let originDevice: String
	public let isPaused: Bool?
	public let startedAt: String?

	public init(
		appId: String = "moodlit",
		payload: MoodlitSessionPayload,
		source: String,
		sourceRef: String? = nil,
		originDevice: String,
		isPaused: Bool? = nil,
		startedAt: String? = nil
	) {
		self.appId = appId
		self.payload = payload
		self.source = source
		self.sourceRef = sourceRef
		self.originDevice = originDevice
		self.isPaused = isPaused
		self.startedAt = startedAt
	}
}