import "@polymer/iron-flex-layout/iron-flex-layout.js";
import "@polymer/paper-slider/paper-slider.js";
import "@polymer/paper-styles/typography.js";
import "../ui/ui-select";

import * as Polymer from "@polymer/polymer";

import type { NodeCG as NCGTypes } from "../../../../types/nodecg";
export class NcgSoundCue extends Polymer.PolymerElement {
	static get template() {
		return Polymer.html`
		<style include="nodecg-theme">
			:host {
				@apply --layout-horizontal;
				align-items: center;
			}

			#leftWrapper {
				min-width: 0;
				padding-right: 8px;
				@apply --layout-vertical;
				@apply --layout-flex;
				@apply --layout-center-justified;
			}

			#name {
				@apply --paper-font-title;
				overflow: hidden;
				text-overflow: ellipsis;
			}

			#select {
				display: none;
				width: 150px;
				@apply --layout-flex-none;
			}

			paper-slider {
				@apply --layout-flex-none;
				--paper-slider-input: {
					width: 80px;
				}
			}

			@media (max-width: 500px) {
				#select {
					width: 120px;
				}

				paper-slider {
					width: 150px;
				}
			}
		</style>

		<div id="leftWrapper">
			<span id="name">[[name]]</span>
		</div>

		<ui-select id="select" on-change="_retargetFile"></ui-select>
		<paper-slider id="slider" min="0" max="100" step="1" on-change="_onSliderChange" editable=""></paper-slider>
`;
	}

	static get is() {
		return "ncg-sound-cue";
	}

	static get properties() {
		return {
			name: String,
			bundleName: {
				type: String,
				observer: "_bundleNameChanged",
			},
			assignable: {
				type: Boolean,
				observer: "_assignableChanged",
			},
			file: {
				type: Object,
				observer: "_fileChanged",
			},
			defaultFile: Object,
			volume: {
				type: Number,
				observer: "_volumeChanged",
			},
			_cueRef: Object,
			soundFiles: Array,
			createdTimestamp: {
				type: Number,
			},
		};
	}

	_bundleNameChanged(bundleName: string) {
		if (this._assetsRepInitialized) {
			return;
		}

		this._assetsRepInitialized = true;
		const assetsRep = NodeCG.Replicant<NCGTypes.AssetFile[]>(
			"assets:sounds",
			bundleName,
		);
		assetsRep.setMaxListeners(50);
		assetsRep.on("change", (newVal) => {
			if (newVal && this.assignable) {
				this.soundFiles = newVal;
				this._generateOptions(newVal);
			}
		});
	}

	_assignableChanged(newVal: boolean) {
		this.$.select.style.display = newVal ? "block" : "none";
	}

	_fileChanged(newVal: NCGTypes.CueFile) {
		if (newVal) {
			if (newVal.default) {
				this.$.select.value = "default";
			} else {
				this.$.select.value = newVal.base;
			}
		} else {
			this.$.select.value = "none";
		}
	}

	_volumeChanged(newVal: number) {
		this.$.slider.value = newVal;
	}

	_generateOptions(soundFiles: NCGTypes.AssetFile[]) {
		// Remove all existing options
		while (this.$.select.item(0)) {
			this.$.select.remove(0);
		}

		// Create "none" option.
		const noneOption = document.createElement("option");
		noneOption.innerText = "None";
		noneOption.value = "none";
		if (!this.file) {
			noneOption.setAttribute("selected", "true");
		}

		this.$.select.add(noneOption);

		// Create "default" option, if applicable.
		if (this.defaultFile) {
			const defaultOption = document.createElement("option");
			defaultOption.value = "default";
			defaultOption.innerText = "Default";
			if (this.file?.default) {
				defaultOption.setAttribute("selected", "true");
			}

			this.$.select.add(defaultOption);
		}

		// Add options for each uploaded sound file.
		if (soundFiles instanceof Array) {
			soundFiles.forEach((f, index) => {
				const option = document.createElement("option");
				option.value = f.base;
				option.innerText = f.base;
				(option as any).replicantIndex = index;
				if (this.file && f.base === this.file.base) {
					option.setAttribute("selected", "true");
				}

				this.$.select.add(option);
			});
		}
	}

	_retargetFile() {
		const selectValue = this.$.select.value;
		if (selectValue === "none") {
			this._cueRef.file = null;
		} else if (selectValue === "default") {
			this._cueRef.file = this.defaultFile;
		} else {
			this._cueRef.file =
				this.soundFiles[this.$.select.selectedOptions[0].replicantIndex];
		}
	}

	_onSliderChange(e: any) {
		this._cueRef.volume = e.target.value;
	}
}

customElements.define("ncg-sound-cue", NcgSoundCue);