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/*

 * Copyright (c) 2024 lax1dude. All Rights Reserved.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 * 

 */

const platfAudioName = "platformAudio";

function setCurrentAudioContext(audioContext, audioImports) {

	/**

	 * @return {AudioContext}

	 */
	audioImports["getContext"] = function() {
		return audioContext;
	};

	/**

	 * @param {AudioBufferSourceNode} sourceNode

	 * @param {Object} isEnded

	 */
	audioImports["registerIsEndedHandler"] = function(sourceNode, isEnded) {
		if(!isEnded["selfEndHandler"]) {
			isEnded["selfEndHandler"] = function(evt) {
				isEnded["isEnded"] = true;
			}
		}
		sourceNode.addEventListener("ended", isEnded["selfEndHandler"]);
	};

	/**

	 * @param {AudioBufferSourceNode} sourceNode

	 * @param {Object} isEnded

	 */
	audioImports["releaseIsEndedHandler"] = function(sourceNode, isEnded) {
		if(isEnded["selfEndHandler"]) {
			sourceNode.removeEventListener("ended", isEnded["selfEndHandler"]);
		}
	};

	/**

	 * @param {Uint8Array} fileData

	 * @param {string} errorFileName

	 * @return {Promise}

	 */
	function decodeAudioBrowserImpl(fileData, errorFileName) {
		return new Promise(function(resolve) {
			const copiedData = new Uint8Array(fileData.length);
			copiedData.set(fileData, 0);
			audioContext.decodeAudioData(copiedData.buffer, resolve, function(err) {
				eagError("Failed to load audio: {}", errorFileName);
				resolve(null);
			});
		});
	}

	audioImports["decodeAudioBrowser"] = new WebAssembly.Suspending(decodeAudioBrowserImpl);

}

function setNoAudioContext(audioImports) {
	audioImports["getContext"] = function() {
		return null;
	};
	setUnsupportedFunc(audioImports, platfAudioName, "registerIsEndedHandler");
	setUnsupportedFunc(audioImports, platfAudioName, "releaseIsEndedHandler");
	setUnsupportedFunc(audioImports, platfAudioName, "decodeAudioBrowser");
}