"use strict";
// Flight Tracking Scheduler Service
// Efficiently batches flight API calls and manages tracking schedules
Object.defineProperty(exports, "__esModule", { value: true });
class FlightTrackingScheduler {
    constructor(flightService) {
        this.trackingSchedule = {};
        this.checkIntervals = new Map();
        this.flightService = flightService;
    }
    // Add flights for a VIP to the tracking schedule
    addVipFlights(vipId, vipName, flights) {
        flights.forEach(flight => {
            const key = flight.flightDate;
            if (!this.trackingSchedule[key]) {
                this.trackingSchedule[key] = [];
            }
            // Check if this flight is already being tracked
            const existingIndex = this.trackingSchedule[key].findIndex(f => f.flightNumber === flight.flightNumber && f.vipId === vipId);
            const scheduledFlight = {
                vipId,
                vipName,
                flightNumber: flight.flightNumber,
                flightDate: flight.flightDate,
                segment: flight.segment,
                scheduledDeparture: flight.validationData?.departure?.scheduled
            };
            if (existingIndex >= 0) {
                // Update existing entry
                this.trackingSchedule[key][existingIndex] = scheduledFlight;
            }
            else {
                // Add new entry
                this.trackingSchedule[key].push(scheduledFlight);
            }
        });
        // Start or update tracking for affected dates
        this.updateTrackingSchedules();
    }
    // Remove VIP flights from tracking
    removeVipFlights(vipId) {
        Object.keys(this.trackingSchedule).forEach(date => {
            this.trackingSchedule[date] = this.trackingSchedule[date].filter(f => f.vipId !== vipId);
            // Remove empty dates
            if (this.trackingSchedule[date].length === 0) {
                delete this.trackingSchedule[date];
            }
        });
        this.updateTrackingSchedules();
    }
    // Update tracking schedules based on current flights
    updateTrackingSchedules() {
        // Clear existing intervals
        this.checkIntervals.forEach(interval => clearInterval(interval));
        this.checkIntervals.clear();
        // Set up tracking for each date
        Object.keys(this.trackingSchedule).forEach(date => {
            this.setupDateTracking(date);
        });
    }
    // Set up tracking for a specific date
    setupDateTracking(date) {
        const flights = this.trackingSchedule[date];
        if (!flights || flights.length === 0)
            return;
        // Check if we should start tracking (4 hours before first flight)
        const now = new Date();
        const dateObj = new Date(date + 'T00:00:00');
        // Find earliest departure time
        let earliestDeparture = null;
        flights.forEach(flight => {
            if (flight.scheduledDeparture) {
                const depTime = new Date(flight.scheduledDeparture);
                if (!earliestDeparture || depTime < earliestDeparture) {
                    earliestDeparture = depTime;
                }
            }
        });
        // If no departure times, assume noon
        if (!earliestDeparture) {
            earliestDeparture = new Date(date + 'T12:00:00');
        }
        // Start tracking 4 hours before earliest departure
        const trackingStartTime = new Date(earliestDeparture.getTime() - 4 * 60 * 60 * 1000);
        // If tracking should have started, begin immediately
        if (now >= trackingStartTime) {
            this.performBatchCheck(date);
            // Set up recurring checks every 60 minutes (or 30 if any delays)
            const interval = setInterval(() => {
                this.performBatchCheck(date);
            }, 60 * 60 * 1000); // 60 minutes
            this.checkIntervals.set(date, interval);
        }
        else {
            // Schedule first check for tracking start time
            const timeUntilStart = trackingStartTime.getTime() - now.getTime();
            setTimeout(() => {
                this.performBatchCheck(date);
                // Then set up recurring checks
                const interval = setInterval(() => {
                    this.performBatchCheck(date);
                }, 60 * 60 * 1000);
                this.checkIntervals.set(date, interval);
            }, timeUntilStart);
        }
    }
    // Perform batch check for all flights on a date
    async performBatchCheck(date) {
        const flights = this.trackingSchedule[date];
        if (!flights || flights.length === 0)
            return;
        console.log(`\n=== Batch Flight Check for ${date} ===`);
        console.log(`Checking ${flights.length} flights...`);
        // Filter out flights that have already landed
        const activeFlights = flights.filter(f => !f.hasLanded);
        if (activeFlights.length === 0) {
            console.log('All flights have landed. Stopping tracking for this date.');
            this.stopDateTracking(date);
            return;
        }
        // Get unique flight numbers to check
        const uniqueFlights = Array.from(new Set(activeFlights.map(f => f.flightNumber)));
        console.log(`Unique flight numbers to check: ${uniqueFlights.join(', ')}`);
        try {
            // Make batch API call
            const flightParams = uniqueFlights.map(flightNumber => ({
                flightNumber,
                date
            }));
            const results = await this.flightService.getMultipleFlights(flightParams);
            // Update flight statuses
            let hasDelays = false;
            let allLanded = true;
            activeFlights.forEach(flight => {
                const key = `${flight.flightNumber}_${date}`;
                const data = results[key];
                if (data) {
                    flight.lastChecked = new Date();
                    flight.status = data.status;
                    if (data.status === 'landed') {
                        flight.hasLanded = true;
                        console.log(`✅ ${flight.flightNumber} has landed`);
                    }
                    else {
                        allLanded = false;
                        if (data.delay && data.delay > 0) {
                            hasDelays = true;
                            console.log(`⚠️ ${flight.flightNumber} is delayed by ${data.delay} minutes`);
                        }
                    }
                    // Log status for each VIP
                    console.log(`  VIP: ${flight.vipName} - Flight ${flight.segment}: ${flight.flightNumber} - Status: ${data.status}`);
                }
            });
            // Update check frequency if delays detected
            if (hasDelays && this.checkIntervals.has(date)) {
                console.log('Delays detected - increasing check frequency to 30 minutes');
                clearInterval(this.checkIntervals.get(date));
                const interval = setInterval(() => {
                    this.performBatchCheck(date);
                }, 30 * 60 * 1000); // 30 minutes
                this.checkIntervals.set(date, interval);
            }
            // Stop tracking if all flights have landed
            if (allLanded) {
                console.log('All flights have landed. Stopping tracking for this date.');
                this.stopDateTracking(date);
            }
            // Calculate next check time
            const nextCheckTime = new Date(Date.now() + (hasDelays ? 30 : 60) * 60 * 1000);
            console.log(`Next check scheduled for: ${nextCheckTime.toLocaleTimeString()}`);
        }
        catch (error) {
            console.error('Error performing batch flight check:', error);
        }
    }
    // Stop tracking for a specific date
    stopDateTracking(date) {
        const interval = this.checkIntervals.get(date);
        if (interval) {
            clearInterval(interval);
            this.checkIntervals.delete(date);
        }
        // Mark all flights as completed
        if (this.trackingSchedule[date]) {
            this.trackingSchedule[date].forEach(f => f.hasLanded = true);
        }
    }
    // Get current tracking status
    getTrackingStatus() {
        const status = {};
        Object.entries(this.trackingSchedule).forEach(([date, flights]) => {
            const activeFlights = flights.filter(f => !f.hasLanded);
            const landedFlights = flights.filter(f => f.hasLanded);
            status[date] = {
                totalFlights: flights.length,
                activeFlights: activeFlights.length,
                landedFlights: landedFlights.length,
                flights: flights.map(f => ({
                    vipName: f.vipName,
                    flightNumber: f.flightNumber,
                    segment: f.segment,
                    status: f.status || 'Not checked yet',
                    lastChecked: f.lastChecked,
                    hasLanded: f.hasLanded
                }))
            };
        });
        return status;
    }
    // Clean up all tracking
    cleanup() {
        this.checkIntervals.forEach(interval => clearInterval(interval));
        this.checkIntervals.clear();
        this.trackingSchedule = {};
    }
}
exports.default = FlightTrackingScheduler;
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