/*
 * Copyright (C)2005-2019 Haxe Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
@:noDoc
class HxOverrides {
	static function dateStr(date:Date):String {
		var m = date.getMonth() + 1;
		var d = date.getDate();
		var h = date.getHours();
		var mi = date.getMinutes();
		var s = date.getSeconds();
		return date.getFullYear() + "-" + (if (m < 10) "0" + m else "" + m) + "-" + (if (d < 10) "0" + d else "" + d) + " "
			+ (if (h < 10) "0" + h else "" + h) + ":" + (if (mi < 10) "0" + mi else "" + mi) + ":" + (if (s < 10) "0" + s else "" + s);
	}

	static function strDate(s:String):Date {
		switch (s.length) {
			case 8: // hh:mm:ss
				var k = s.split(":");
				var d = js.Syntax.construct(Date);
				(cast d)[cast "setTime"](0);
				(cast d)[cast "setUTCHours"](k[0]);
				(cast d)[cast "setUTCMinutes"](k[1]);
				(cast d)[cast "setUTCSeconds"](k[2]);
				return d;
			case 10: // YYYY-MM-DD
				var k = s.split("-");
				return new Date(cast k[0], (cast k[1]) - 1, cast k[2], 0, 0, 0);
			case 19: // YYYY-MM-DD hh:mm:ss
				var k = s.split(" ");
				var y = k[0].split("-");
				var t = k[1].split(":");
				return new Date(cast y[0], (cast y[1]) - 1, cast y[2], cast t[0], cast t[1], cast t[2]);
			default:
				throw "Invalid date format : " + s;
		}
	}

	@:pure
	static function cca(s:String, index:Int):Null<Int> {
		var x = (cast s).charCodeAt(index);
		if (x != x) // fast isNaN
			return js.Lib.undefined; // isNaN will still return true
		return x;
	}

	@:pure
	static function substr(s:String, pos:Int, ?len:Int):String {
		if (len == null) {
			len = s.length;
		} else if (len < 0) {
			if (pos == 0)
				len = s.length + len;
			else
				return "";
		}

		#if (js_es < 5)
		if (pos < 0) {
			pos = s.length + pos;
			if (pos < 0)
				pos = 0;
		}
		#end

		return (cast s).substr(pos, len);
	}

	@:pure
	static function indexOf<T>(a:Array<T>, obj:T, i:Int) {
		var len = a.length;
		if (i < 0) {
			i += len;
			if (i < 0)
				i = 0;
		}
		while (i < len) {
			if (js.Syntax.strictEq(a[i], obj))
				return i;
			i++;
		}
		return -1;
	}

	@:pure
	static function lastIndexOf<T>(a:Array<T>, obj:T, i:Int) {
		var len = a.length;
		if (i >= len)
			i = len - 1;
		else if (i < 0)
			i += len;
		while (i >= 0) {
			if (js.Syntax.strictEq(a[i], obj))
				return i;
			i--;
		}
		return -1;
	}

	static function remove<T>(a:Array<T>, obj:T) {
		var i = a.indexOf(obj);
		if (i == -1)
			return false;
		a.splice(i, 1);
		return true;
	}

	@:pure
	static function iter<T>(a:Array<T>):Iterator<T>
		untyped {
			return {
				cur: 0,
				arr: a,
				hasNext: function() {
					return __this__.cur < __this__.arr.length;
				},
				next: function() {
					return __this__.arr[__this__.cur++];
				}
			};
		}

	static function __init__()
		untyped {
			#if (js_es < 5)
			__feature__('HxOverrides.indexOf',
				if (Array.prototype.indexOf) __js__("HxOverrides").indexOf = function(a, o, i) return Array.prototype.indexOf.call(a, o, i));
			__feature__('HxOverrides.lastIndexOf',
				if (Array.prototype.lastIndexOf) __js__("HxOverrides").lastIndexOf = function(a, o, i) return Array.prototype.lastIndexOf.call(a, o, i));
			#end
		}
}
