<?php

namespace App\Console\Commands;

use App\Models\UserFlight;
use Carbon\Carbon;
use Illuminate\Console\Attributes\Description;
use Illuminate\Console\Attributes\Signature;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Http;

#[Signature('app:update-departed-flights')]
#[Description('Command description')]
class UpdateDepartedFlights extends Command
{
    /**
     * Execute the console command.
     */
    public function handle()
    {
        $now = now()->utc();
        $oneHourAgo = $now->copy()->subHours(1);

        $userFlights = UserFlight::whereBetween('arrival_date', [
            $oneHourAgo->toDateTimeString(),
            $now->toDateTimeString(),
        ])
            ->where('auto_update', true)
            ->whereNotNull('flight_number')
            ->get();

        $this->info("Found {$userFlights->count()} flights.");

        foreach ($userFlights as $flight) {
            preg_match('/^([A-Z]{2,3})(\d+)$/i', $flight->flight_number, $matches);

            if (empty($matches)) {
                $this->warn("Could not parse flight number: {$flight->flight_number}");
                continue;
            }

            $airlineCode = strtoupper($matches[1]);
            $flightNumber = $matches[2];

            $arrivalDate = $flight->arrival_date->setTimezone($flight->arrivalAirport->timezone);
            $year  = $arrivalDate->year;
            $month = $arrivalDate->month;
            $day   = $arrivalDate->day;

            $url = "https://www.flightstats.com/v2/api-next/flight-tracker/{$airlineCode}/{$flightNumber}/{$year}/{$month}/{$day}";

            $response = Http::get($url);

            if (!$response->successful()) {
                $this->warn("Failed to fetch data for {$flight->flight_number}: HTTP {$response->status()}");
                continue;
            }

            $data = $response->json();

            $flightData = $data['data'] ?? [];

            if (empty($flightData)) {
                $this->warn("No flight data returned for {$airlineCode}{$flightNumber}");
                continue;
            }


            $tailNumber             = $flightData['positional']['flexTrack']['tailNumber'] ?? null;
            $estimatedDepartureUtc  = $flightData['schedule']['estimatedActualDepartureUTC'] ?? null;
            $estimatedArrivalUtc    = $flightData['schedule']['estimatedActualArrivalUTC'] ?? null;
            $equipmentCode          = $flightData['additionalFlightInfo']['equipment']['iata'] ?? null;

            $apiDepartureIata = $data['data']['departureAirport']['iata'] ?? null;
            $apiArrivalIata   = $data['data']['arrivalAirport']['iata'] ?? null;

            if ($apiDepartureIata !== $flight->departureAirport->iata_code ||
                $apiArrivalIata !== $flight->arrivalAirport->iata_code) {
                $this->warn("Airport mismatch for {$airlineCode}{$flightNumber} — API: {$apiDepartureIata}→{$apiArrivalIata}, expected: {$flight->departureAirport->iata_code}→{$flight->arrivalAirport->iata_code}");
                continue;
            }

            $updates = [];

            if ($tailNumber && $tailNumber !== $flight->aircraft_registration) {
                $updates['aircraft_registration'] = $tailNumber;
            }

            if ($estimatedDepartureUtc && Carbon::parse($estimatedDepartureUtc)->ne($flight->departure_date)) {
                $updates['departure_date'] = Carbon::parse($estimatedDepartureUtc);
            }

            if ($estimatedArrivalUtc && Carbon::parse($estimatedArrivalUtc)->ne($flight->arrival_date)) {
                $updates['arrival_date'] = Carbon::parse($estimatedArrivalUtc);
            }

            if (!empty($updates)) {
                $flight->update($updates);
                $this->info("Updated flight {$airlineCode}{$flightNumber}: " . implode(', ', array_keys($updates)));
            }

            $this->info("Flight {$airlineCode}{$flightNumber} — Tail: {$tailNumber}, Equipment: {$equipmentCode}");
            $this->info("Departure: {$estimatedDepartureUtc} | Arrival: {$estimatedArrivalUtc}");

        }
    }
}