<?php
/**
 * Country centroids for the "impossible travel" login signal.
 *
 * Source: Google's DSPL canonical "countries.csv"
 * (https://developers.google.com/public-data/docs/canonical/countries_csv),
 * retrieved 30 September 2026, licensed under the Creative Commons
 * Attribution 4.0 International licence
 * (https://creativecommons.org/licenses/by/4.0/). Latitude and longitude
 * in decimal degrees, copied without modification; the one row without
 * coordinates (UM) is left out. This notice is the attribution the licence
 * asks for, and it ships with the table.
 *
 * @package ActivityLog404
 */

namespace ActivityLog404\Context;

defined( 'ABSPATH' ) || exit;

/**
 * A point per ISO 3166-1 alpha-2 code: where "a login from this country" is
 * placed when two logins are compared. A country is not a point -- see
 * Travel::REACH_KM for how the table's coarseness is paid for, and
 * docs/login-alerts.md for why this is the right grain anyway: the log
 * stores a country, not coordinates, and a City database is optional.
 *
 * A code missing here (a newer code such as SS, CW or SX, or a pseudo-code
 * some databases use for anonymous proxies and continents -- A1, A2, O1,
 * AP, EU) has no place: Travel treats it as unknown, never as travel.
 */
final class CountryCentroids {

	/**
	 * Code => [ latitude, longitude ].
	 *
	 * @var array<string, array{0: float, 1: float}>
	 */
	public const POINTS = array(
		'AD' => array( 42.546245, 1.601554 ),
		'AE' => array( 23.424076, 53.847818 ),
		'AF' => array( 33.93911, 67.709953 ),
		'AG' => array( 17.060816, -61.796428 ),
		'AI' => array( 18.220554, -63.068615 ),
		'AL' => array( 41.153332, 20.168331 ),
		'AM' => array( 40.069099, 45.038189 ),
		'AN' => array( 12.226079, -69.060087 ),
		'AO' => array( -11.202692, 17.873887 ),
		'AQ' => array( -75.250973, -0.071389 ),
		'AR' => array( -38.416097, -63.616672 ),
		'AS' => array( -14.270972, -170.132217 ),
		'AT' => array( 47.516231, 14.550072 ),
		'AU' => array( -25.274398, 133.775136 ),
		'AW' => array( 12.52111, -69.968338 ),
		'AZ' => array( 40.143105, 47.576927 ),
		'BA' => array( 43.915886, 17.679076 ),
		'BB' => array( 13.193887, -59.543198 ),
		'BD' => array( 23.684994, 90.356331 ),
		'BE' => array( 50.503887, 4.469936 ),
		'BF' => array( 12.238333, -1.561593 ),
		'BG' => array( 42.733883, 25.48583 ),
		'BH' => array( 25.930414, 50.637772 ),
		'BI' => array( -3.373056, 29.918886 ),
		'BJ' => array( 9.30769, 2.315834 ),
		'BM' => array( 32.321384, -64.75737 ),
		'BN' => array( 4.535277, 114.727669 ),
		'BO' => array( -16.290154, -63.588653 ),
		'BR' => array( -14.235004, -51.92528 ),
		'BS' => array( 25.03428, -77.39628 ),
		'BT' => array( 27.514162, 90.433601 ),
		'BV' => array( -54.423199, 3.413194 ),
		'BW' => array( -22.328474, 24.684866 ),
		'BY' => array( 53.709807, 27.953389 ),
		'BZ' => array( 17.189877, -88.49765 ),
		'CA' => array( 56.130366, -106.346771 ),
		'CC' => array( -12.164165, 96.870956 ),
		'CD' => array( -4.038333, 21.758664 ),
		'CF' => array( 6.611111, 20.939444 ),
		'CG' => array( -0.228021, 15.827659 ),
		'CH' => array( 46.818188, 8.227512 ),
		'CI' => array( 7.539989, -5.54708 ),
		'CK' => array( -21.236736, -159.777671 ),
		'CL' => array( -35.675147, -71.542969 ),
		'CM' => array( 7.369722, 12.354722 ),
		'CN' => array( 35.86166, 104.195397 ),
		'CO' => array( 4.570868, -74.297333 ),
		'CR' => array( 9.748917, -83.753428 ),
		'CU' => array( 21.521757, -77.781167 ),
		'CV' => array( 16.002082, -24.013197 ),
		'CX' => array( -10.447525, 105.690449 ),
		'CY' => array( 35.126413, 33.429859 ),
		'CZ' => array( 49.817492, 15.472962 ),
		'DE' => array( 51.165691, 10.451526 ),
		'DJ' => array( 11.825138, 42.590275 ),
		'DK' => array( 56.26392, 9.501785 ),
		'DM' => array( 15.414999, -61.370976 ),
		'DO' => array( 18.735693, -70.162651 ),
		'DZ' => array( 28.033886, 1.659626 ),
		'EC' => array( -1.831239, -78.183406 ),
		'EE' => array( 58.595272, 25.013607 ),
		'EG' => array( 26.820553, 30.802498 ),
		'EH' => array( 24.215527, -12.885834 ),
		'ER' => array( 15.179384, 39.782334 ),
		'ES' => array( 40.463667, -3.74922 ),
		'ET' => array( 9.145, 40.489673 ),
		'FI' => array( 61.92411, 25.748151 ),
		'FJ' => array( -16.578193, 179.414413 ),
		'FK' => array( -51.796253, -59.523613 ),
		'FM' => array( 7.425554, 150.550812 ),
		'FO' => array( 61.892635, -6.911806 ),
		'FR' => array( 46.227638, 2.213749 ),
		'GA' => array( -0.803689, 11.609444 ),
		'GB' => array( 55.378051, -3.435973 ),
		'GD' => array( 12.262776, -61.604171 ),
		'GE' => array( 42.315407, 43.356892 ),
		'GF' => array( 3.933889, -53.125782 ),
		'GG' => array( 49.465691, -2.585278 ),
		'GH' => array( 7.946527, -1.023194 ),
		'GI' => array( 36.137741, -5.345374 ),
		'GL' => array( 71.706936, -42.604303 ),
		'GM' => array( 13.443182, -15.310139 ),
		'GN' => array( 9.945587, -9.696645 ),
		'GP' => array( 16.995971, -62.067641 ),
		'GQ' => array( 1.650801, 10.267895 ),
		'GR' => array( 39.074208, 21.824312 ),
		'GS' => array( -54.429579, -36.587909 ),
		'GT' => array( 15.783471, -90.230759 ),
		'GU' => array( 13.444304, 144.793731 ),
		'GW' => array( 11.803749, -15.180413 ),
		'GY' => array( 4.860416, -58.93018 ),
		'GZ' => array( 31.354676, 34.308825 ),
		'HK' => array( 22.396428, 114.109497 ),
		'HM' => array( -53.08181, 73.504158 ),
		'HN' => array( 15.199999, -86.241905 ),
		'HR' => array( 45.1, 15.2 ),
		'HT' => array( 18.971187, -72.285215 ),
		'HU' => array( 47.162494, 19.503304 ),
		'ID' => array( -0.789275, 113.921327 ),
		'IE' => array( 53.41291, -8.24389 ),
		'IL' => array( 31.046051, 34.851612 ),
		'IM' => array( 54.236107, -4.548056 ),
		'IN' => array( 20.593684, 78.96288 ),
		'IO' => array( -6.343194, 71.876519 ),
		'IQ' => array( 33.223191, 43.679291 ),
		'IR' => array( 32.427908, 53.688046 ),
		'IS' => array( 64.963051, -19.020835 ),
		'IT' => array( 41.87194, 12.56738 ),
		'JE' => array( 49.214439, -2.13125 ),
		'JM' => array( 18.109581, -77.297508 ),
		'JO' => array( 30.585164, 36.238414 ),
		'JP' => array( 36.204824, 138.252924 ),
		'KE' => array( -0.023559, 37.906193 ),
		'KG' => array( 41.20438, 74.766098 ),
		'KH' => array( 12.565679, 104.990963 ),
		'KI' => array( -3.370417, -168.734039 ),
		'KM' => array( -11.875001, 43.872219 ),
		'KN' => array( 17.357822, -62.782998 ),
		'KP' => array( 40.339852, 127.510093 ),
		'KR' => array( 35.907757, 127.766922 ),
		'KW' => array( 29.31166, 47.481766 ),
		'KY' => array( 19.513469, -80.566956 ),
		'KZ' => array( 48.019573, 66.923684 ),
		'LA' => array( 19.85627, 102.495496 ),
		'LB' => array( 33.854721, 35.862285 ),
		'LC' => array( 13.909444, -60.978893 ),
		'LI' => array( 47.166, 9.555373 ),
		'LK' => array( 7.873054, 80.771797 ),
		'LR' => array( 6.428055, -9.429499 ),
		'LS' => array( -29.609988, 28.233608 ),
		'LT' => array( 55.169438, 23.881275 ),
		'LU' => array( 49.815273, 6.129583 ),
		'LV' => array( 56.879635, 24.603189 ),
		'LY' => array( 26.3351, 17.228331 ),
		'MA' => array( 31.791702, -7.09262 ),
		'MC' => array( 43.750298, 7.412841 ),
		'MD' => array( 47.411631, 28.369885 ),
		'ME' => array( 42.708678, 19.37439 ),
		'MG' => array( -18.766947, 46.869107 ),
		'MH' => array( 7.131474, 171.184478 ),
		'MK' => array( 41.608635, 21.745275 ),
		'ML' => array( 17.570692, -3.996166 ),
		'MM' => array( 21.913965, 95.956223 ),
		'MN' => array( 46.862496, 103.846656 ),
		'MO' => array( 22.198745, 113.543873 ),
		'MP' => array( 17.33083, 145.38469 ),
		'MQ' => array( 14.641528, -61.024174 ),
		'MR' => array( 21.00789, -10.940835 ),
		'MS' => array( 16.742498, -62.187366 ),
		'MT' => array( 35.937496, 14.375416 ),
		'MU' => array( -20.348404, 57.552152 ),
		'MV' => array( 3.202778, 73.22068 ),
		'MW' => array( -13.254308, 34.301525 ),
		'MX' => array( 23.634501, -102.552784 ),
		'MY' => array( 4.210484, 101.975766 ),
		'MZ' => array( -18.665695, 35.529562 ),
		'NA' => array( -22.95764, 18.49041 ),
		'NC' => array( -20.904305, 165.618042 ),
		'NE' => array( 17.607789, 8.081666 ),
		'NF' => array( -29.040835, 167.954712 ),
		'NG' => array( 9.081999, 8.675277 ),
		'NI' => array( 12.865416, -85.207229 ),
		'NL' => array( 52.132633, 5.291266 ),
		'NO' => array( 60.472024, 8.468946 ),
		'NP' => array( 28.394857, 84.124008 ),
		'NR' => array( -0.522778, 166.931503 ),
		'NU' => array( -19.054445, -169.867233 ),
		'NZ' => array( -40.900557, 174.885971 ),
		'OM' => array( 21.512583, 55.923255 ),
		'PA' => array( 8.537981, -80.782127 ),
		'PE' => array( -9.189967, -75.015152 ),
		'PF' => array( -17.679742, -149.406843 ),
		'PG' => array( -6.314993, 143.95555 ),
		'PH' => array( 12.879721, 121.774017 ),
		'PK' => array( 30.375321, 69.345116 ),
		'PL' => array( 51.919438, 19.145136 ),
		'PM' => array( 46.941936, -56.27111 ),
		'PN' => array( -24.703615, -127.439308 ),
		'PR' => array( 18.220833, -66.590149 ),
		'PS' => array( 31.952162, 35.233154 ),
		'PT' => array( 39.399872, -8.224454 ),
		'PW' => array( 7.51498, 134.58252 ),
		'PY' => array( -23.442503, -58.443832 ),
		'QA' => array( 25.354826, 51.183884 ),
		'RE' => array( -21.115141, 55.536384 ),
		'RO' => array( 45.943161, 24.96676 ),
		'RS' => array( 44.016521, 21.005859 ),
		'RU' => array( 61.52401, 105.318756 ),
		'RW' => array( -1.940278, 29.873888 ),
		'SA' => array( 23.885942, 45.079162 ),
		'SB' => array( -9.64571, 160.156194 ),
		'SC' => array( -4.679574, 55.491977 ),
		'SD' => array( 12.862807, 30.217636 ),
		'SE' => array( 60.128161, 18.643501 ),
		'SG' => array( 1.352083, 103.819836 ),
		'SH' => array( -24.143474, -10.030696 ),
		'SI' => array( 46.151241, 14.995463 ),
		'SJ' => array( 77.553604, 23.670272 ),
		'SK' => array( 48.669026, 19.699024 ),
		'SL' => array( 8.460555, -11.779889 ),
		'SM' => array( 43.94236, 12.457777 ),
		'SN' => array( 14.497401, -14.452362 ),
		'SO' => array( 5.152149, 46.199616 ),
		'SR' => array( 3.919305, -56.027783 ),
		'ST' => array( 0.18636, 6.613081 ),
		'SV' => array( 13.794185, -88.89653 ),
		'SY' => array( 34.802075, 38.996815 ),
		'SZ' => array( -26.522503, 31.465866 ),
		'TC' => array( 21.694025, -71.797928 ),
		'TD' => array( 15.454166, 18.732207 ),
		'TF' => array( -49.280366, 69.348557 ),
		'TG' => array( 8.619543, 0.824782 ),
		'TH' => array( 15.870032, 100.992541 ),
		'TJ' => array( 38.861034, 71.276093 ),
		'TK' => array( -8.967363, -171.855881 ),
		'TL' => array( -8.874217, 125.727539 ),
		'TM' => array( 38.969719, 59.556278 ),
		'TN' => array( 33.886917, 9.537499 ),
		'TO' => array( -21.178986, -175.198242 ),
		'TR' => array( 38.963745, 35.243322 ),
		'TT' => array( 10.691803, -61.222503 ),
		'TV' => array( -7.109535, 177.64933 ),
		'TW' => array( 23.69781, 120.960515 ),
		'TZ' => array( -6.369028, 34.888822 ),
		'UA' => array( 48.379433, 31.16558 ),
		'UG' => array( 1.373333, 32.290275 ),
		'US' => array( 37.09024, -95.712891 ),
		'UY' => array( -32.522779, -55.765835 ),
		'UZ' => array( 41.377491, 64.585262 ),
		'VA' => array( 41.902916, 12.453389 ),
		'VC' => array( 12.984305, -61.287228 ),
		'VE' => array( 6.42375, -66.58973 ),
		'VG' => array( 18.420695, -64.639968 ),
		'VI' => array( 18.335765, -64.896335 ),
		'VN' => array( 14.058324, 108.277199 ),
		'VU' => array( -15.376706, 166.959158 ),
		'WF' => array( -13.768752, -177.156097 ),
		'WS' => array( -13.759029, -172.104629 ),
		'XK' => array( 42.602636, 20.902977 ),
		'YE' => array( 15.552727, 48.516388 ),
		'YT' => array( -12.8275, 45.166244 ),
		'ZA' => array( -30.559482, 22.937506 ),
		'ZM' => array( -13.133897, 27.849332 ),
		'ZW' => array( -19.015438, 29.154857 ),
	);

	/**
	 * The point for a code, or null when the table has none.
	 *
	 * @param string|null $code An ISO 3166-1 alpha-2 code.
	 * @return array{0: float, 1: float}|null
	 */
	public static function point( ?string $code ): ?array {
		return null !== $code && isset( self::POINTS[ $code ] ) ? self::POINTS[ $code ] : null;
	}
}