"use strict";
/**
 * Worker Service
 *
 * Polls the job queue and processes crawl jobs.
 * Each worker instance runs independently, claiming jobs atomically.
 */
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
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    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
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    };
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        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.startWorker = startWorker;
exports.stopWorker = stopWorker;
exports.getWorkerStatus = getWorkerStatus;
const job_queue_1 = require("./job-queue");
const product_crawler_1 = require("./product-crawler");
const discovery_1 = require("./discovery");
const connection_1 = require("../db/connection");
// Explicit column list for dispensaries table (avoids SELECT * issues with schema differences)
// NOTE: failed_at is included for worker compatibility checks
const DISPENSARY_COLUMNS = `
  id, name, slug, city, state, zip, address, latitude, longitude,
  menu_type, menu_url, platform_dispensary_id, website,
  provider_detection_data, created_at, updated_at, failed_at
`;
// ============================================================
// WORKER CONFIG
// ============================================================
const POLL_INTERVAL_MS = 5000; // Check for jobs every 5 seconds
const HEARTBEAT_INTERVAL_MS = 60000; // Send heartbeat every 60 seconds
const STALE_CHECK_INTERVAL_MS = 300000; // Check for stale jobs every 5 minutes
const SHUTDOWN_GRACE_PERIOD_MS = 30000; // Wait 30s for job to complete on shutdown
// ============================================================
// WORKER STATE
// ============================================================
let isRunning = false;
let currentJob = null;
let pollTimer = null;
let heartbeatTimer = null;
let staleCheckTimer = null;
let shutdownPromise = null;
// ============================================================
// WORKER LIFECYCLE
// ============================================================
/**
 * Start the worker
 */
async function startWorker() {
    if (isRunning) {
        console.log('[Worker] Already running');
        return;
    }
    const workerId = (0, job_queue_1.getWorkerId)();
    const hostname = (0, job_queue_1.getWorkerHostname)();
    console.log(`[Worker] Starting worker ${workerId} on ${hostname}`);
    isRunning = true;
    // Set up graceful shutdown
    setupShutdownHandlers();
    // Start polling for jobs
    pollTimer = setInterval(pollForJobs, POLL_INTERVAL_MS);
    // Start stale job recovery (only one worker should do this, but it's idempotent)
    staleCheckTimer = setInterval(async () => {
        try {
            await (0, job_queue_1.recoverStaleJobs)(15);
        }
        catch (error) {
            console.error('[Worker] Error recovering stale jobs:', error);
        }
    }, STALE_CHECK_INTERVAL_MS);
    // Immediately poll for a job
    await pollForJobs();
    console.log(`[Worker] Worker ${workerId} started, polling every ${POLL_INTERVAL_MS}ms`);
}
/**
 * Stop the worker gracefully
 */
async function stopWorker() {
    if (!isRunning)
        return;
    console.log('[Worker] Stopping worker...');
    isRunning = false;
    // Clear timers
    if (pollTimer) {
        clearInterval(pollTimer);
        pollTimer = null;
    }
    if (heartbeatTimer) {
        clearInterval(heartbeatTimer);
        heartbeatTimer = null;
    }
    if (staleCheckTimer) {
        clearInterval(staleCheckTimer);
        staleCheckTimer = null;
    }
    // Wait for current job to complete
    if (currentJob) {
        console.log(`[Worker] Waiting for job ${currentJob.id} to complete...`);
        const startWait = Date.now();
        while (currentJob && Date.now() - startWait < SHUTDOWN_GRACE_PERIOD_MS) {
            await new Promise(r => setTimeout(r, 1000));
        }
        if (currentJob) {
            console.log(`[Worker] Job ${currentJob.id} did not complete in time, marking for retry`);
            await (0, job_queue_1.failJob)(currentJob.id, 'Worker shutdown');
        }
    }
    console.log('[Worker] Worker stopped');
}
/**
 * Get worker status
 */
function getWorkerStatus() {
    return {
        isRunning,
        workerId: (0, job_queue_1.getWorkerId)(),
        hostname: (0, job_queue_1.getWorkerHostname)(),
        currentJob,
    };
}
// ============================================================
// JOB PROCESSING
// ============================================================
/**
 * Poll for and process the next available job
 */
async function pollForJobs() {
    if (!isRunning || currentJob) {
        return; // Already processing a job
    }
    try {
        const workerId = (0, job_queue_1.getWorkerId)();
        // Try to claim a job
        const job = await (0, job_queue_1.claimNextJob)({
            workerId,
            jobTypes: ['dutchie_product_crawl', 'menu_detection', 'menu_detection_single'],
            lockDurationMinutes: 30,
        });
        if (!job) {
            return; // No jobs available
        }
        currentJob = job;
        console.log(`[Worker] Processing job ${job.id} (type=${job.jobType}, dispensary=${job.dispensaryId})`);
        // Start heartbeat for this job
        heartbeatTimer = setInterval(async () => {
            if (currentJob) {
                try {
                    await (0, job_queue_1.heartbeat)(currentJob.id);
                }
                catch (error) {
                    console.error('[Worker] Heartbeat error:', error);
                }
            }
        }, HEARTBEAT_INTERVAL_MS);
        // Process the job
        await processJob(job);
    }
    catch (error) {
        console.error('[Worker] Error polling for jobs:', error);
        if (currentJob) {
            try {
                await (0, job_queue_1.failJob)(currentJob.id, error.message);
            }
            catch (failError) {
                console.error('[Worker] Error failing job:', failError);
            }
        }
    }
    finally {
        // Clear heartbeat timer
        if (heartbeatTimer) {
            clearInterval(heartbeatTimer);
            heartbeatTimer = null;
        }
        currentJob = null;
    }
}
/**
 * Process a single job
 */
async function processJob(job) {
    try {
        switch (job.jobType) {
            case 'dutchie_product_crawl':
                await processProductCrawlJob(job);
                break;
            case 'menu_detection':
                await processMenuDetectionJob(job);
                break;
            case 'menu_detection_single':
                await processSingleDetectionJob(job);
                break;
            default:
                throw new Error(`Unknown job type: ${job.jobType}`);
        }
    }
    catch (error) {
        console.error(`[Worker] Job ${job.id} failed:`, error);
        await (0, job_queue_1.failJob)(job.id, error.message);
    }
}
// Maximum consecutive failures before flagging a dispensary
const MAX_CONSECUTIVE_FAILURES = 3;
/**
 * Record a successful crawl - resets failure counter
 */
async function recordCrawlSuccess(dispensaryId) {
    await (0, connection_1.query)(`UPDATE dispensaries
     SET consecutive_failures = 0,
         last_crawl_at = NOW(),
         updated_at = NOW()
     WHERE id = $1`, [dispensaryId]);
}
/**
 * Record a crawl failure - increments counter and may flag dispensary
 * Returns true if dispensary was flagged as failed
 */
async function recordCrawlFailure(dispensaryId, errorMessage) {
    // Increment failure counter
    const { rows } = await (0, connection_1.query)(`UPDATE dispensaries
     SET consecutive_failures = consecutive_failures + 1,
         last_failure_at = NOW(),
         last_failure_reason = $2,
         updated_at = NOW()
     WHERE id = $1
     RETURNING consecutive_failures`, [dispensaryId, errorMessage]);
    const failures = rows[0]?.consecutive_failures || 0;
    // If we've hit the threshold, flag the dispensary as failed
    if (failures >= MAX_CONSECUTIVE_FAILURES) {
        await (0, connection_1.query)(`UPDATE dispensaries
       SET failed_at = NOW(),
           menu_type = NULL,
           platform_dispensary_id = NULL,
           failure_notes = $2,
           updated_at = NOW()
       WHERE id = $1`, [dispensaryId, `Auto-flagged after ${failures} consecutive failures. Last error: ${errorMessage}`]);
        console.log(`[Worker] Dispensary ${dispensaryId} flagged as FAILED after ${failures} consecutive failures`);
        return true;
    }
    console.log(`[Worker] Dispensary ${dispensaryId} failure recorded (${failures}/${MAX_CONSECUTIVE_FAILURES})`);
    return false;
}
/**
 * Process a product crawl job for a single dispensary
 */
async function processProductCrawlJob(job) {
    if (!job.dispensaryId) {
        throw new Error('Product crawl job requires dispensary_id');
    }
    // Get dispensary details
    const { rows } = await (0, connection_1.query)(`SELECT ${DISPENSARY_COLUMNS} FROM dispensaries WHERE id = $1`, [job.dispensaryId]);
    if (rows.length === 0) {
        throw new Error(`Dispensary ${job.dispensaryId} not found`);
    }
    const dispensary = (0, discovery_1.mapDbRowToDispensary)(rows[0]);
    // Check if dispensary is already flagged as failed
    if (rows[0].failed_at) {
        console.log(`[Worker] Skipping dispensary ${job.dispensaryId} - already flagged as failed`);
        await (0, job_queue_1.completeJob)(job.id, { productsFound: 0, productsUpserted: 0 });
        return;
    }
    if (!dispensary.platformDispensaryId) {
        // Record failure and potentially flag
        await recordCrawlFailure(job.dispensaryId, 'Missing platform_dispensary_id');
        throw new Error(`Dispensary ${job.dispensaryId} has no platform_dispensary_id`);
    }
    // Get crawl options from job metadata
    const pricingType = job.metadata?.pricingType || 'rec';
    const useBothModes = job.metadata?.useBothModes !== false;
    try {
        // Crawl the dispensary
        const result = await (0, product_crawler_1.crawlDispensaryProducts)(dispensary, pricingType, {
            useBothModes,
            onProgress: async (progress) => {
                // Update progress for live monitoring
                await (0, job_queue_1.updateJobProgress)(job.id, {
                    productsFound: progress.productsFound,
                    productsUpserted: progress.productsUpserted,
                    snapshotsCreated: progress.snapshotsCreated,
                    currentPage: progress.currentPage,
                    totalPages: progress.totalPages,
                });
            },
        });
        if (result.success) {
            // Success! Reset failure counter
            await recordCrawlSuccess(job.dispensaryId);
            await (0, job_queue_1.completeJob)(job.id, {
                productsFound: result.productsFetched,
                productsUpserted: result.productsUpserted,
                snapshotsCreated: result.snapshotsCreated,
            });
        }
        else {
            // Crawl returned failure - record it
            const wasFlagged = await recordCrawlFailure(job.dispensaryId, result.errorMessage || 'Crawl failed');
            if (wasFlagged) {
                // Don't throw - the dispensary is now flagged, job is "complete"
                await (0, job_queue_1.completeJob)(job.id, { productsFound: 0, productsUpserted: 0 });
            }
            else {
                throw new Error(result.errorMessage || 'Crawl failed');
            }
        }
    }
    catch (error) {
        // Record the failure
        const wasFlagged = await recordCrawlFailure(job.dispensaryId, error.message);
        if (wasFlagged) {
            // Dispensary is now flagged - complete the job rather than fail it
            await (0, job_queue_1.completeJob)(job.id, { productsFound: 0, productsUpserted: 0 });
        }
        else {
            throw error;
        }
    }
}
/**
 * Process a menu detection job (bulk)
 */
async function processMenuDetectionJob(job) {
    const { executeMenuDetectionJob } = await Promise.resolve().then(() => __importStar(require('./menu-detection')));
    const config = job.metadata || {};
    const result = await executeMenuDetectionJob(config);
    if (result.status === 'error') {
        throw new Error(result.errorMessage || 'Menu detection failed');
    }
    await (0, job_queue_1.completeJob)(job.id, {
        productsFound: result.itemsProcessed,
        productsUpserted: result.itemsSucceeded,
    });
}
/**
 * Process a single dispensary menu detection job
 * This is the parallelizable version - each worker can detect one dispensary at a time
 */
async function processSingleDetectionJob(job) {
    if (!job.dispensaryId) {
        throw new Error('Single detection job requires dispensary_id');
    }
    const { detectAndResolveDispensary } = await Promise.resolve().then(() => __importStar(require('./menu-detection')));
    // Get dispensary details
    const { rows } = await (0, connection_1.query)(`SELECT ${DISPENSARY_COLUMNS} FROM dispensaries WHERE id = $1`, [job.dispensaryId]);
    if (rows.length === 0) {
        throw new Error(`Dispensary ${job.dispensaryId} not found`);
    }
    const dispensary = rows[0];
    // Skip if already detected or failed
    if (dispensary.failed_at) {
        console.log(`[Worker] Skipping dispensary ${job.dispensaryId} - already flagged as failed`);
        await (0, job_queue_1.completeJob)(job.id, { productsFound: 0, productsUpserted: 0 });
        return;
    }
    if (dispensary.menu_type && dispensary.menu_type !== 'unknown') {
        console.log(`[Worker] Skipping dispensary ${job.dispensaryId} - already detected as ${dispensary.menu_type}`);
        await (0, job_queue_1.completeJob)(job.id, { productsFound: 0, productsUpserted: 1 });
        return;
    }
    console.log(`[Worker] Detecting menu for dispensary ${job.dispensaryId} (${dispensary.name})...`);
    try {
        const result = await detectAndResolveDispensary(job.dispensaryId);
        if (result.success) {
            console.log(`[Worker] Dispensary ${job.dispensaryId}: detected ${result.detectedProvider}, platformId=${result.platformDispensaryId || 'none'}`);
            await (0, job_queue_1.completeJob)(job.id, {
                productsFound: 1,
                productsUpserted: result.platformDispensaryId ? 1 : 0,
            });
        }
        else {
            // Detection failed - record failure
            await recordCrawlFailure(job.dispensaryId, result.error || 'Detection failed');
            throw new Error(result.error || 'Detection failed');
        }
    }
    catch (error) {
        // Record the failure
        const wasFlagged = await recordCrawlFailure(job.dispensaryId, error.message);
        if (wasFlagged) {
            // Dispensary is now flagged - complete the job rather than fail it
            await (0, job_queue_1.completeJob)(job.id, { productsFound: 0, productsUpserted: 0 });
        }
        else {
            throw error;
        }
    }
}
// ============================================================
// SHUTDOWN HANDLING
// ============================================================
function setupShutdownHandlers() {
    const shutdown = async (signal) => {
        if (shutdownPromise)
            return shutdownPromise;
        console.log(`\n[Worker] Received ${signal}, shutting down...`);
        shutdownPromise = stopWorker();
        await shutdownPromise;
        process.exit(0);
    };
    process.on('SIGTERM', () => shutdown('SIGTERM'));
    process.on('SIGINT', () => shutdown('SIGINT'));
}
// ============================================================
// STANDALONE WORKER ENTRY POINT
// ============================================================
if (require.main === module) {
    // Run as standalone worker
    startWorker().catch((error) => {
        console.error('[Worker] Fatal error:', error);
        process.exit(1);
    });
}