/*
 * 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.
 */

package haxe.zip;

@:coreApi
class Compress {
	private var level:Int;

	public function new(level:Int):Void {
		this.level = level;
	}

	public function execute(src:haxe.io.Bytes, srcPos:Int, dst:haxe.io.Bytes, dstPos:Int):{done:Bool, read:Int, write:Int} {
		var input = src.sub(srcPos, src.length - srcPos);
		var data = run(input, level);
		dst.blit(dstPos, data, 0, data.length);

		return {
			done: true,
			read: input.length,
			write: data.length
		};
	}

	public function setFlushMode(f:FlushMode):Void {}

	public function close():Void {}

	public static function run(s:haxe.io.Bytes, level:Int):haxe.io.Bytes {
		var c = php.Global.gzcompress(s.toString(), level);
		return haxe.io.Bytes.ofString(c);
	}
}
