import { defineComponent, nextTick, reactive, watch } from "vue";
import styles from "./index.module.less";
import iconClose from "../image/close2.svg";
import {
	Cell,
	Field,
	NoticeBar,
	Popup,
	Radio,
	RadioGroup,
	Slider,
	Switch,
	Tab,
	Tabs,
	closeToast,
	showLoadingToast,
	showToast,
} from "vant";
import state, { IPlatform } from "/src/state";
import { api_closeCamera, api_openCamera, api_savePicture } from "/src/helpers/communication";

import iconInfo from "../image/info.svg";
import iconDown from "../image/down.svg";
import iconTv from "../image/tv.svg";
import iconYijian from "../image/yijian.svg";
import iconSubtract from "../image/subtract.png";
import iconAdd from "../image/add.png";
import ScreenModel from "../../custom-plugins/helper-model/screen-model";
import Recommendation from "../../custom-plugins/helper-model/recommendation";
import { svg2canvas } from "/src/utils/svg2canvas";
import { getQuery } from "/src/utils/queryString";
import { browser } from "/src/utils";

export default defineComponent({
	name: "header-settting",
	setup() {
		const query = getQuery();
		const helperData = reactive({
			show: false,
			recommendationShow: false, // 建议
		});
		const downPng = () => {
			showLoadingToast({ message: "下载中", duration: 0 });
			setTimeout(async () => {
				const svg: any = document.getElementById("osmdSvgPage1")?.cloneNode(true);
				if (!svg) return showToast({ message: "保存失败", type: "fail" });
				const cw = svg.width.animVal.value;
				const ch = svg.height.animVal.value;
				const rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
				rect.setAttribute("x", "0");
				rect.setAttribute("y", "0");
				rect.setAttribute("width", `${cw * 2}`);
				rect.setAttribute("height", `${ch * 2}`);
				rect.setAttribute("fill", "#fff");
				svg.prepend(rect);
				if (svg) {
					const _canvas = svg2canvas(svg.outerHTML);
					const browserInfo = browser();
					if (state.platform === IPlatform.PC || !browserInfo.isApp) {
						let el: any = document.createElement("a");
						// 设置 href 为图片经过 base64 编码后的字符串，默认为 png 格式
						el.href = _canvas.toDataURL();
						el.download = state.examSongName;

						// 创建一个点击事件并对 a 标签进行触发
						const event = new MouseEvent("click");
						el.dispatchEvent(event);
						setTimeout(() => {
							showToast({ message: "保存成功", type: "success" });
							el = null;
						}, 300);
					} else {
						const base64 = _canvas.toDataURL("image/png", 1);
						const res = await api_savePicture({
							base64,
						});
						if (res?.content?.status === "success") {
							showToast({ message: "保存成功", type: "success" });
						} else {
							showToast({ message: "保存失败", type: "fail" });
						}
					}
				}
			}, 500);
		};

		const formatterTimeMs = (value: any) => value = String(Math.min(3000, value));
		// 加减评测频率
		const operateHz = (type: number) => {
			const minFrequency = state.baseFrequency - 10, maxFrequency = state.baseFrequency + 10
			let currentFrequency = state.setting.frequency
			if (type === 1) {
				if (currentFrequency - 1 < minFrequency) return showToast({ message: `最低标准音高${minFrequency}HZ` })
				currentFrequency = currentFrequency - 1
			} else {
				if (currentFrequency + 1 > maxFrequency) return showToast({ message: `最高标准音高${maxFrequency}HZ` })
				currentFrequency = currentFrequency + 1
			}
			state.setting.frequency = currentFrequency >= 0 ? currentFrequency : 0
		}
		
		return () => (
			<div class={styles["header-settting"]}>
				<div class={styles.content}>
					<Tabs border animated swipeable>
						<Tab title="全局设置">
							<NoticeBar
								class={styles.noticebar}
								left-icon={iconInfo}
								text="全局设置会更改所有乐谱练习及评测"
							/>
							<Cell title="护眼模式" center>
								{{
									extra: () => <Switch v-model={state.setting.eyeProtection}></Switch>,
								}}
							</Cell>
							<Cell
								title="节拍器音量"
								class={styles.sliderWrap}
								center
							>
								{{
									extra: () => (
										<Slider
											class={[styles.slider, styles.sliderVolume]}
											min={0}
											max={100}
											v-model:modelValue={state.setting.beatVolume}
										>
											{{
												button: () => <div class={styles.sliderBtn}>{state.setting.beatVolume}</div>,
											}}
										</Slider>
									),
								}}
							</Cell>							
							<div class={styles.btnsbar}>
								{/* <div class={styles.btn} onClick={downPng}>
									<img src={iconDown} />
									下载曲谱
								</div> */}
								<div class={styles.btn} onClick={() => (helperData.show = true)}>
									<img src={iconTv} />
									投屏帮助
								</div>
								<div class={styles.btn} onClick={() => (helperData.recommendationShow = true)}>
									<img src={iconYijian} />
									意见反馈
								</div>
							</div>
						</Tab>
						<Tab title="练习设置">
							<Cell title="循环播放" center>
								{{
									extra: () => <Switch v-model={state.setting.repeatAutoPlay}></Switch>,
								}}
							</Cell>
							<Cell class={[state.modeType == "evaluating" && styles.disabled]} title="显示指法" center>
								{{
									extra: () => <Switch v-model={state.setting.displayFingering} disabled={!state.fingeringInfo.name}></Switch>,
								}}
							</Cell>
						</Tab>
						<Tab title="评测设置">
							<Cell class={[query.workRecord && styles.disabled]} title="评测难度" center>
								{{
									extra: () => (
										<RadioGroup
											iconSize={20}
											class={styles.radioGroup}
											v-model={state.setting.evaluationDifficulty}
										>
											<Radio name="BEGINNER">入门</Radio>
											<Radio name="ADVANCED">进阶</Radio>
											<Radio name="PERFORMER">大师</Radio>
										</RadioGroup>
									),
								}}
							</Cell>

							<Cell title="延迟检测" center>
								{{
									extra: () => <Switch v-model={state.setting.soundEffect}></Switch>,
								}}
							</Cell>
							<Cell title="摄像头" center>
								{{
									extra: () => (
										<Switch
											v-model={state.setting.camera}
											onChange={ async (value) => {
												if (value) {
													const res = await api_openCamera();
													// 没有授权
													if (res?.content?.reson) {
														state.setting.camera = false
													}
												} else {
													api_closeCamera();
												}
											}}
										></Switch>
									),
								}}
							</Cell>
							<Cell
								style={{ display: state.setting.camera ? "" : "none" }}
								title="透明度"
								class={styles.sliderWrap}
								center
							>
								{{
									extra: () => (
										<Slider
											class={styles.slider}
											min={0}
											max={100}
											v-model:modelValue={state.setting.cameraOpacity}
										>
											{{
												button: () => <div class={styles.sliderBtn}>{state.setting.cameraOpacity}</div>,
											}}
										</Slider>
									),
								}}
							</Cell>
							{/* <Cell title="保存到相册" center>
								{{
									extra: () => <Switch v-model={state.setting.saveToAlbum}></Switch>,
								}}
							</Cell> */}
							<Cell title="开启伴奏" center>
								{{
									extra: () => <Switch v-model={state.setting.enableAccompaniment}></Switch>,
								}}
							</Cell>
							<Cell title="标准音高" center>
								{/* {{
									extra: () => (
										<RadioGroup
											iconSize={20}
											class={styles.radioGroup}
											v-model={state.setting.frequency}
										>
											<Radio name={440}>440Hz</Radio>
											<Radio name={442}>442Hz</Radio>
										</RadioGroup>
									),
								}} */}
								{{
									extra: () => (
										<div class={styles.operateHz}>
											<img src={iconSubtract} onClick={() => operateHz(1)} />
											<span>{state.setting.frequency}HZ</span>
											<img src={iconAdd} onClick={() => operateHz(2)} />
										</div>
									)
								}}
							</Cell>

							<Field class={styles.reactionTime} label="反应时间(毫秒)" type="digit" 
								placeholder="最大可输入3000毫秒"
								formatter={formatterTimeMs}
								v-model:modelValue={state.setting.reactionTimeMs} />
						</Tab>
					</Tabs>
				</div>
				<Popup
					class={["popup-custom", styles.screen]}
					v-model:show={helperData.show}
					onClose={() => {
						helperData.show = false;
					}}
					position="right"
					teleport="body"
				>
					<ScreenModel
						onClose={(open: Boolean) => {
							helperData.show = false;
						}}
					/>
				</Popup>
				<Popup
					v-model:show={helperData.recommendationShow}
					class="popup-custom van-scale center-closeBtn"
					transition="van-scale"
					teleport="body"
					closeable
				>
					<Recommendation
						onClose={() => {
							helperData.recommendationShow = false;
						}}
					/>
				</Popup>
			</div>
		);
	},
});