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/**
* Application State Management
*/
import { Logger } from './logger.js';
export class AppState {
constructor() {
// Core session state
this.currentSessionId = null;
this.isSolving = false;
this.currentIteration = 0;
this.maxIterationsCount = 8;
this.isAwaitingUserFeedback = false;
// Session management state
this.currentSessionData = null;
this.selectedSessionId = null; // Currently loaded session (null means current/new session)
this.sessionsExpanded = false;
// Streaming and execution tracking
this.streamingMessages = new Map(); // Track streaming messages by iteration
this.executionSpinners = new Map(); // Track execution spinners by iteration
// Timeout and connection monitoring
this.solvingTimeoutId = null;
this.connectionTimeoutId = null;
this.lastHeartbeat = Date.now();
this.connectionRetries = 0;
// Constants
this.SOLVING_TIMEOUT_MS = 300000; // 5 minutes timeout for solving
this.CONNECTION_TIMEOUT_MS = 30000; // 30 seconds timeout for connection issues
this.HEARTBEAT_INTERVAL_MS = 15000; // Send heartbeat every 15 seconds
this.MAX_CONNECTION_RETRIES = 3;
// Session storage
this.SESSION_STORAGE_KEY = 'pips_sessions';
// Event listeners for state changes
this.listeners = {};
}
// Event system for state changes
on(event, callback) {
if (!this.listeners[event]) {
this.listeners[event] = [];
}
this.listeners[event].push(callback);
}
emit(event, data) {
if (this.listeners[event]) {
this.listeners[event].forEach(callback => callback(data));
}
}
// Session management
setCurrentSession(sessionData) {
this.currentSessionData = sessionData;
this.emit('sessionChanged', sessionData?.id);
Logger.debug('State', 'Current session updated', sessionData?.id);
}
setSelectedSession(sessionId) {
this.selectedSessionId = sessionId;
this.emit('selectedSessionChanged', sessionId);
Logger.debug('State', 'Selected session changed', sessionId);
}
// Solving state
setSolving(solving) {
this.isSolving = solving;
this.emit('solvingStateChanged', solving);
Logger.debug('State', `Solving state: ${solving}`);
}
setIteration(iteration) {
this.currentIteration = iteration;
this.emit('iterationChanged', iteration);
}
// User feedback state (for interactive mode)
setUserFeedback(awaiting) {
this.isAwaitingUserFeedback = awaiting;
this.emit('userFeedbackStateChanged', awaiting);
Logger.debug('State', `User feedback state: ${awaiting}`);
}
// Connection state
setConnectionRetries(retries) {
this.connectionRetries = retries;
this.emit('connectionRetriesChanged', retries);
}
updateLastHeartbeat() {
this.lastHeartbeat = Date.now();
}
// Timeout management
setSolvingTimeout(timeoutId) {
this.clearSolvingTimeout();
this.solvingTimeoutId = timeoutId;
}
clearSolvingTimeout() {
if (this.solvingTimeoutId) {
clearTimeout(this.solvingTimeoutId);
this.solvingTimeoutId = null;
}
}
setConnectionTimeout(timeoutId) {
this.clearConnectionTimeout();
this.connectionTimeoutId = timeoutId;
}
clearConnectionTimeout() {
if (this.connectionTimeoutId) {
clearTimeout(this.connectionTimeoutId);
this.connectionTimeoutId = null;
}
}
// Streaming management
addStreamingMessage(id, element) {
this.streamingMessages.set(id, element);
}
removeStreamingMessage(id) {
this.streamingMessages.delete(id);
}
addExecutionSpinner(id, element) {
this.executionSpinners.set(id, element);
}
removeExecutionSpinner(id) {
this.executionSpinners.delete(id);
}
// Get current state snapshot
getSnapshot() {
return {
currentSessionId: this.currentSessionId,
isSolving: this.isSolving,
currentIteration: this.currentIteration,
selectedSessionId: this.selectedSessionId,
connectionRetries: this.connectionRetries,
lastHeartbeat: this.lastHeartbeat,
streamingMessagesCount: this.streamingMessages.size,
executionSpinnersCount: this.executionSpinners.size
};
}
// Reset state (for new session)
reset() {
this.currentSessionId = null;
this.isSolving = false;
this.currentIteration = 0;
this.isAwaitingUserFeedback = false;
this.currentSessionData = null;
this.selectedSessionId = null;
this.clearSolvingTimeout();
this.clearConnectionTimeout();
this.streamingMessages.clear();
this.executionSpinners.clear();
this.emit('stateReset');
Logger.debug('State', 'Application state reset');
}
}
// Create singleton instance
export const appState = new AppState(); |