"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const express_1 = __importDefault(require("express"));
const config_1 = require("./utils/config");
const logger_1 = require("./utils/logger");
const websocket_1 = require("./http/websocket");
const auth_1 = require("./http/auth");
class DebugProxyServer {
    app;
    server = null;
    logger;
    isShuttingDown = false;
    wsHandler;
    authValidator;
    constructor() {
        this.logger = new logger_1.Logger('DebugProxyServer');
        this.app = (0, express_1.default)();
        this.authValidator = new auth_1.AuthValidator();
        this.wsHandler = new websocket_1.WebSocketHandler(this.authValidator);
        this.setupMiddleware();
        this.setupRoutes();
        this.setupShutdownHandlers();
    }
    setupMiddleware() {
        // Parse JSON bodies
        this.app.use(express_1.default.json());
        // Request logging
        this.app.use((req, _res, next) => {
            this.logger.info(`${req.method} ${req.path}`);
            next();
        });
    }
    setupRoutes() {
        // Public endpoints (no auth)
        this.app.get('/_ide/debug/status', (_req, res) => {
            res.json({
                status: 'healthy',
                service: 'rspade-debug-proxy',
                version: '1.0.0',
                uptime: process.uptime(),
                memory: process.memoryUsage()
            });
        });
        // Ping endpoint for basic connectivity test
        this.app.get('/_ide/debug/ping', (_req, res) => {
            res.json({ pong: true });
        });
        // Authenticated endpoints
        this.app.use('/_ide/debug/api', this.authValidator.authMiddleware());
        this.app.post('/_ide/debug/api/test', (req, res) => {
            const sessionId = req.sessionId;
            res.json({
                success: true,
                message: 'Authenticated successfully',
                sessionId: sessionId
            });
        });
        // 404 handler
        this.app.use((req, res) => {
            res.status(404).json({
                error: 'Not Found',
                path: req.path
            });
        });
        // Error handler
        this.app.use((err, _req, res, _next) => {
            this.logger.error('Request error:', err);
            res.status(500).json({
                error: 'Internal Server Error',
                message: err.message
            });
        });
    }
    setupShutdownHandlers() {
        const shutdown = async (signal) => {
            if (this.isShuttingDown) {
                return;
            }
            this.isShuttingDown = true;
            this.logger.info(`Received ${signal}, starting graceful shutdown...`);
            // Close HTTP server
            if (this.server) {
                this.server.close(() => {
                    this.logger.info('HTTP server closed');
                });
            }
            // Give connections time to close
            setTimeout(() => {
                this.logger.info('Shutdown complete');
                process.exit(0);
            }, 5000);
        };
        process.on('SIGTERM', () => shutdown('SIGTERM'));
        process.on('SIGINT', () => shutdown('SIGINT'));
    }
    async start() {
        const port = config_1.Config.HTTP_PORT;
        return new Promise((resolve, reject) => {
            this.server = this.app.listen(port, () => {
                this.logger.info(`Debug proxy service started on port ${port}`);
                this.logger.info(`Status endpoint: http://localhost:${port}/_ide/debug/status`);
                this.logger.info(`WebSocket endpoint: ws://localhost:${port}/_ide/debug/ws`);
                // Initialize WebSocket handler
                this.wsHandler.initialize(this.server);
                this.logger.info('WebSocket handler initialized');
                resolve();
            });
            this.server.on('error', (error) => {
                this.logger.error('Failed to start server:', error);
                reject(error);
            });
        });
    }
}
// Main entry point
async function main() {
    const server = new DebugProxyServer();
    try {
        await server.start();
    }
    catch (error) {
        console.error('Failed to start debug proxy:', error);
        process.exit(1);
    }
}
// Start the server
main().catch(error => {
    console.error('Uncaught error:', error);
    process.exit(1);
});
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