import { makeGetSet } from '../moment/get-set';
import { addFormatToken } from '../format/format';
import { addUnitAlias } from './aliases';
import { addUnitPriority } from './priorities';
import { addRegexToken, match1to2, match2, match3to4, match5to6 } from '../parse/regex';
import { addParseToken } from '../parse/token';
import { HOUR, MINUTE, SECOND } from './constants';
import toInt from '../utils/to-int';
import zeroFill from '../utils/zero-fill';
import getParsingFlags from '../create/parsing-flags';
// FORMATTING
function hFormat() {
return this.hours() % 12 || 12;
}
function kFormat() {
return this.hours() || 24;
}
addFormatToken('H', ['HH', 2], 0, 'hour');
addFormatToken('h', ['hh', 2], 0, hFormat);
addFormatToken('k', ['kk', 2], 0, kFormat);
addFormatToken('hmm', 0, 0, function () {
return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
});
addFormatToken('hmmss', 0, 0, function () {
return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
zeroFill(this.seconds(), 2);
});
addFormatToken('Hmm', 0, 0, function () {
return '' + this.hours() + zeroFill(this.minutes(), 2);
});
addFormatToken('Hmmss', 0, 0, function () {
return '' + this.hours() + zeroFill(this.minutes(), 2) +
zeroFill(this.seconds(), 2);
});
function meridiem (token, lowercase) {
addFormatToken(token, 0, 0, function () {
return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
});
}
meridiem('a', true);
meridiem('A', false);
// ALIASES
addUnitAlias('hour', 'h');
// PRIORITY
addUnitPriority('hour', 13);
// PARSING
function matchMeridiem (isStrict, locale) {
return locale._meridiemParse;
}
addRegexToken('a', matchMeridiem);
addRegexToken('A', matchMeridiem);
addRegexToken('H', match1to2);
addRegexToken('h', match1to2);
addRegexToken('k', match1to2);
addRegexToken('HH', match1to2, match2);
addRegexToken('hh', match1to2, match2);
addRegexToken('kk', match1to2, match2);
addRegexToken('hmm', match3to4);
addRegexToken('hmmss', match5to6);
addRegexToken('Hmm', match3to4);
addRegexToken('Hmmss', match5to6);
addParseToken(['H', 'HH'], HOUR);
addParseToken(['k', 'kk'], function (input, array, config) {
var kInput = toInt(input);
array[HOUR] = kInput === 24 ? 0 : kInput;
});
addParseToken(['a', 'A'], function (input, array, config) {
config._isPm = config._locale.isPM(input);
config._meridiem = input;
});
addParseToken(['h', 'hh'], function (input, array, config) {
array[HOUR] = toInt(input);
getParsingFlags(config).bigHour = true;
});
addParseToken('hmm', function (input, array, config) {
var pos = input.length - 2;
array[HOUR] = toInt(input.substr(0, pos));
array[MINUTE] = toInt(input.substr(pos));
getParsingFlags(config).bigHour = true;
});
addParseToken('hmmss', function (input, array, config) {
var pos1 = input.length - 4;
var pos2 = input.length - 2;
array[HOUR] = toInt(input.substr(0, pos1));
array[MINUTE] = toInt(input.substr(pos1, 2));
array[SECOND] = toInt(input.substr(pos2));
getParsingFlags(config).bigHour = true;
});
addParseToken('Hmm', function (input, array, config) {
var pos = input.length - 2;
array[HOUR] = toInt(input.substr(0, pos));
array[MINUTE] = toInt(input.substr(pos));
});
addParseToken('Hmmss', function (input, array, config) {
var pos1 = input.length - 4;
var pos2 = input.length - 2;
array[HOUR] = toInt(input.substr(0, pos1));
array[MINUTE] = toInt(input.substr(pos1, 2));
array[SECOND] = toInt(input.substr(pos2));
});
// LOCALES
export function localeIsPM (input) {
// IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
// Using charAt should be more compatible.
return ((input + '').toLowerCase().charAt(0) === 'p');
}
export var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
export function localeMeridiem (hours, minutes, isLower) {
if (hours > 11) {
return isLower ? 'pm' : 'PM';
} else {
return isLower ? 'am' : 'AM';
}
}
// MOMENTS
// Setting the hour should keep the time, because the user explicitly
// specified which hour he wants. So trying to maintain the same hour (in
// a new timezone) makes sense. Adding/subtracting hours does not follow
// this rule.
export var getSetHour = makeGetSet('Hours', true);