package com.suno.android.common_networking.sse

/**
 * Generic sealed class for real-time SSE events.
 *
 * Provides a standard pattern for all SSE-based real-time clients:
 * - Connected: Connection established
 * - Disconnected: Connection closed
 * - Error: Connection error occurred
 * - Data events: Specific to each implementation
 *
 * @param T The type of data payload for data events
 */
sealed class RealtimeEvent<out T> {
    /**
     * Connection established successfully.
     */
    data object Connected : RealtimeEvent<Nothing>()

    /**
     * Connection was disconnected.
     */
    data object Disconnected : RealtimeEvent<Nothing>()

    /**
     * An error occurred.
     *
     * @param throwable The error that occurred
     */
    data class Error(
        val throwable: Throwable,
    ) : RealtimeEvent<Nothing>()

    /**
     * Received data update.
     *
     * @param data The data payload
     */
    data class Data<T>(
        val data: T,
    ) : RealtimeEvent<T>()
}