import { Transition, computed, defineComponent, onMounted, onUnmounted, reactive, ref } from "vue";
import styles from "./index.module.less";

import iconBack from "./image/icon-back.svg";
import Title from "./title";
import { headImg } from "./image";
import { Badge, Circle, Popover, Popup, showConfirmDialog } from "vant";
import Speed from "./speed";
import { evaluatingData, handleStartEvaluat } from "/src/view/evaluating";
import Settting from "./settting";
import state, { IPlatform, handleChangeSection, handleResetPlay, handleRessetState, togglePlay } from "/src/state";
import { getAudioCurrentTime } from "/src/view/audio-list";
import { followData, toggleFollow } from "/src/view/follow-practice";
import { api_back } from "/src/helpers/communication";
import MusicType from "./music-type";
import ModeTypeMode from "../component/mode-type-mode";
import { getQuery } from "/src/utils/queryString";

/** 头部数据和方法 */
export const headTopData = reactive({
	/** 模式 */
	modeType: "" as "init" | "show",
	/** 显示返回按钮 */
	showBack: true,
	/** 设置弹窗 */
	settingMode: false,
	/** 切换模式 */
	handleChangeModeType(value: "practise" | "follow" | "evaluating") {
		if (value === "evaluating") {
			console.log(state.platform)
			if (state.platform === IPlatform.PC){
				showConfirmDialog({
					title: '温馨提示',
					message: '该功能暂未开发，敬请期待',
					showCancelButton: false,
				})
				return
			}
			handleStartEvaluat();
		} else if (value === "follow") {
			toggleFollow();
		}
		headTopData.modeType = "show";
	},
});

export const headData = reactive({
	speedShow: false,
	musicTypeShow: false,
});

export default defineComponent({
	name: "header-top",
	setup() {
		/** 设置按钮 */
		const settingBtn = computed(() => {
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };
			// 评测开始 禁用, 跟练开始 禁用
			if (evaluatingData.startBegin || followData.start) return { display: true, disabled: true };

			return {
				display: true,
				disabled: false,
			};
		});

		/** 转谱按钮 */
		const converBtn = computed(() => {
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };
			// 评测开始 禁用
			if (evaluatingData.startBegin || followData.start) return { display: true, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 速度按钮 */
		const speedBtn = computed(() => {
			// 选择模式, 跟练模式  不显示
			if (headTopData.modeType !== "show" || state.modeType === "follow")
				return { display: false, disabled: true };
			// 评测模式, 音频播放中 禁用
			if (state.modeType === "evaluating" || state.playState === "play")
				return { display: true, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 指法按钮 */
		const fingeringBtn = computed(() => {
			// 没有指法 选择模式 评测模式 跟练模式 不显示
			if (
				headTopData.modeType !== "show" ||
				!state.fingeringInfo.name ||
				["evaluating", "follow"].includes(state.modeType)
			)
				return { display: false, disabled: true };
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 摄像头按钮 */
		const cameraBtn = computed(() => {
			// 选择模式 不显示
			if (headTopData.modeType !== "show" || state.modeType !== "evaluating")
				return { display: false, disabled: true };
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 选段按钮 */
		const selectBtn = computed(() => {
			// 选择模式 不显示
			if (headTopData.modeType !== "show" || ["evaluating", "follow"].includes(state.modeType))
				return { display: false, disabled: true };
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 原声按钮 */
		const originBtn = computed(() => {
			// 选择模式,跟练模式 不显示
			if (headTopData.modeType !== "show" || state.modeType === "follow")
				return { display: false, disabled: false };
			// 评测开始 禁用
			if (state.modeType === "evaluating") return { display: false, disabled: true };
			// 原声, 伴奏 少一个,就不能切换
			if (!state.music || !state.accompany) return { display: true, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 模式切换按钮 */
		const toggleBtn = computed(() => {
			// 选择模式, url设置模式 不显示
			if (headTopData.modeType !== "show" || !headTopData.showBack)
				return { display: false, disabled: false };
			// 跟练开始, 评测开始 禁用
			if (followData.start || evaluatingData.startBegin) return { display: true, disabled: true };

			return {
				display: true,
				disabled: false,
			};
		});

		/** 播放按钮 */
		const playBtn = computed(() => {
			// 选择模式 不显示
			if (headTopData.modeType !== "show") return { display: false, disabled: false };
			// 评测模式 不显示,跟练模式 不显示
			if (["evaluating", "follow"].includes(state.modeType)) return { display: false, disabled: true };

			return {
				display: true,
				disabled: false,
			};
		});

		/** 重播按钮 */
		const resetBtn = computed(() => {
			// 选择模式 不显示
			if (headTopData.modeType !== "show") return { display: false, disabled: false };
			// 评测模式 不显示,跟练模式 不显示
			if (["evaluating", "follow"].includes(state.modeType)) return { display: false, disabled: true };
			// 播放状态 不显示
			if (state.playState === "play") return { display: false, disabled: true };
			// 播放进度为0 不显示
			const currentTime = getAudioCurrentTime();
			if (!currentTime) return { display: false, disabled: true };

			return {
				display: true,
				disabled: false,
			};
		});

		/** 返回 */
		const handleBack = () => {
			api_back();
		};

		/** 根据参数设置模式 */
		const getQueryModelSetModelType = () => {
			const query: any = getQuery();
			if (query.modelType) {
				if (query.modelType === "practise") {
					headTopData.handleChangeModeType("practise");
				} else if (query.modelType === "evaluating") {
					headTopData.handleChangeModeType("evaluating");
				}
				headTopData.showBack = false;
			} else {
				setTimeout(() => {
					headTopData.modeType = "init";
				}, 500);
			}
		};

		/** 课件播放 */
		const changePlay = (res: any) => {
			if (res?.data?.api === "setPlayState") {
				togglePlay("paused");
			}
		};

		onMounted(() => {
			getQueryModelSetModelType();
			window.addEventListener("message", changePlay);
		});

		onUnmounted(() => {
			window.removeEventListener("message", changePlay);
		});

		return () => (
			<>
				<div class={[styles.headerTop]}>
					{headTopData.showBack && (
						<div class={styles.back} onClick={handleBack}>
							<img src={iconBack} />
						</div>
					)}
					<Title text={state.examSongName} rightView={false} />

					<div
						class={styles.headRight}
					>
						<div
							style={{ display: toggleBtn.value.display ? "" : "none" }}
							class={[styles.btn, toggleBtn.value.disabled && styles.disabled]}
							onClick={() => {
								handleRessetState();
								headTopData.modeType = "init";
							}}
						>
							<img class={styles.iconBtn} src={headImg(`modeType.svg`)} />
							<span>模式</span>
						</div>

						<div
							style={{ display: originBtn.value.display ? "" : "none" }}
							class={[styles.btn, originBtn.value.disabled && styles.disabled]}
							id="tips-step-6"
							onClick={() => {
								state.playSource = state.playSource === "music" ? "background" : "music";
							}}
						>
							<img
								style={{ display: state.playSource === "music" ? "" : "none" }}
								class={styles.iconBtn}
								src={headImg(`music.svg`)}
							/>
							<img
								style={{ display: state.playSource === "music" ? "none" : "" }}
								class={styles.iconBtn}
								src={headImg(`background.svg`)}
							/>
							<span>{state.playSource === "music" ? "原声" : "伴奏"}</span>
						</div>
						<div
							style={{ display: selectBtn.value.display ? "" : "none" }}
							class={[styles.btn, selectBtn.value.disabled && styles.disabled]}
							id="tips-step-4"
							onClick={() => handleChangeSection()}
						>
							<img
								style={{ display: state.section.length === 0 ? "" : "none" }}
								class={styles.iconBtn}
								src={headImg(`section0.svg`)}
							/>
							<img
								style={{ display: state.section.length === 1 ? "" : "none" }}
								class={styles.iconBtn}
								src={headImg(`section1.svg`)}
							/>
							<img
								style={{ display: state.section.length === 2 ? "" : "none" }}
								class={styles.iconBtn}
								src={headImg(`section2.svg`)}
							/>
							<span>选段</span>
						</div>
						<div
							style={{ display: fingeringBtn.value.display ? "" : "none" }}
							class={[styles.btn, fingeringBtn.value.disabled && styles.disabled]}
							onClick={() => {
								state.setting.displayFingering = !state.setting.displayFingering;
							}}
						>
							<img
								style={{ display: state.setting.displayFingering ? "" : "none" }}
								class={styles.iconBtn}
								src={headImg(`icon_evaluatingOn.svg`)}
							/>
							<img
								style={{ display: state.setting.displayFingering ? "none" : "" }}
								class={styles.iconBtn}
								src={headImg(`icon_evaluatingOff.svg`)}
							/>
							<span>指法</span>
						</div>

						<Popover
							trigger="manual"
							v-model:show={headData.speedShow}
							placement="bottom"
							overlay={false}
						>
							{{
								reference: () => (
									<div
										id="tips-step-8"
										style={{ display: speedBtn.value.display ? "" : "none" }}
										class={[styles.btn, speedBtn.value.disabled && styles.disabled]}
										onClick={(e: Event) => {
											e.stopPropagation();
											headData.speedShow = !headData.speedShow;
										}}
									>
										<Badge class={styles.badge} content={state.speed}>
											<img class={styles.iconBtn} src={headImg("icon_speed.svg")} />
										</Badge>
										<span>速度</span>
									</div>
								),
								default: () => <Speed />,
							}}
						</Popover>
						<Popover
							trigger="manual"
							v-model:show={headData.musicTypeShow}
							placement="bottom-end"
							overlay={false}
						>
							{{
								reference: () => (
									<div
										style={{ display: converBtn.value.display ? "" : "none" }}
										class={[styles.btn, converBtn.value.disabled && styles.disabled]}
										onClick={(e: Event) => {
											e.stopPropagation();
											headData.musicTypeShow = !headData.musicTypeShow;
										}}
									>
										<img class={styles.iconBtn} src={headImg("icon_zhuanpu.svg")} />
										<span>{state.musicRenderType === "staff" ? "转简谱" : "转五线谱"}</span>
									</div>
								),
								default: () => <MusicType />,
							}}
						</Popover>

						<div
							style={{ display: settingBtn.value.display ? "" : "none" }}
							class={[styles.btn, settingBtn.value.disabled && styles.disabled]}
							onClick={() => (headTopData.settingMode = true)}
						>
							<img class={styles.iconBtn} src={headImg("icon_menu.svg")} />
							<span>设置</span>
						</div>
					</div>
				</div>

				{/* 播放按钮 */}
				<div
					style={{ display: playBtn.value.display ? "" : "none" }}
					class={[styles.btn, styles.playBtn, playBtn.value.disabled && styles.disabled]}
					id="tips-step-5"
					onClick={() => togglePlay()}
				>
					<div class={styles.btnWrap}>
						<img
							style={{ display: state.playState === "play" ? "none" : "" }}
							class={styles.iconBtn}
							src={headImg("icon_play.svg")}
						/>
						<img
							style={{ display: state.playState === "play" ? "" : "none" }}
							class={styles.iconBtn}
							src={headImg("icon_pause.svg")}
						/>
						<Circle
							style={{ opacity: state.playState === "play" ? 1 : 0 }}
							class={styles.progress}
							stroke-width={80}
							currentRate={state.playProgress}
							rate={100}
							color="#FFC830"
						/>
					</div>
				</div>

				{/* 重播按钮 */}
				<div
					style={{ display: resetBtn.value.display ? "" : "none" }}
					class={[styles.btn, styles.resetBtn, resetBtn.value.disabled && styles.disabled]}
					id="tips-step-7"
					onClick={() => handleResetPlay()}
				>
					<img class={styles.iconBtn} src={headImg("icon_resetbtn.svg")} />
				</div>

				<Popup
					v-model:show={headTopData.settingMode}
					class="popup-custom van-scale center-closeBtn"
					transition="van-scale"
					teleport="body"
					closeable
				>
					<Settting />
				</Popup>

				{/* 模式切换 */}
				<ModeTypeMode />
			</>
		);
	},
});