const { createApp, ref, onMounted, nextTick, onUnmounted, computed } = Vue;
const search = createApp({
    setup() {
        const trait = [
            {
                icon: "./img/headset-icon.png",
                title: "音乐创作",
                text: "朴见潮音，2024 年成立于广州，是专注 AI 音乐领域的创新工作室。短短一年便跻身于AI音乐浪潮先锋品牌！",
            },
            {
                icon: "./img/mv-icon.png",
                title: "MV创作",
                text: "以 AI 技术为核心，整合音乐创作、MV 制作、教学培训、发行级重制等业务，为创作者和爱好者打造一站式平台。",
            },
            {
                icon: "./img/train-icon.png",
                title: "教学培训",
                text: "工作室运用多种 AI 工具，突破传统创作局限，支持流行、摇滚等多元风格创作，满足个性化需求。",
            },
            {
                icon: "./img/remake-icon.png",
                title: "发行级重制",
                text: "构建全流程服务体系，从 AI 音乐创作、MV 视觉呈现，到零基础教学，再到发行级重制提升品质，实现作品价值最大化。",
            },
        ];

        const text = `中国AIGC产业联盟（AIGCxChina）
            温州市社科联
            温州市新闻媒体中心
            第一届AI音乐春晚 正选节目`;

        const audioPlayer = ref(null);

        const progress = ref(20); // 播放进度百分比
        // 更新进度的函数
        const getProgress = () => {
            if (!audioPlayer.value) return;
            const currentTime = audioPlayer.value.currentTime || 0;
            const duration = audioPlayer.value.duration || 0;
            const progress = duration > 0 ? (currentTime / duration) * 100 : 0;
            setProgress(progress, audioPlayer.value.src);
        };

        const setProgress = (val, src) => {
            audioList.value.forEach((item) => {
                if (item.url === src) item.progress = val;
            });
        };

        onMounted(() => {
            // 添加进度更新事件监听器
            if (audioPlayer.value) {
                audioPlayer.value.addEventListener("timeupdate", getProgress);
                audioPlayer.value.addEventListener("loadedmetadata", getProgress);
            }
        });

        // 组件卸载时清理事件监听器
        onUnmounted(() => {
            audioPlayer?.value?.removeEventListener("timeupdate", getProgress);
            audioPlayer?.value?.removeEventListener("loadedmetadata", getProgress);
        });

        // 头部播放状态
        let audioHeadState = ref(false);

        // 头部播放 - 开启
        const playHead = () => {
            closeAll();
            nextTick(() => {
                audioPlayer.value.src = "./mp3/1.MP3";
                audioPlayer.value.play().then(() => (audioHeadState.value = true));
            });
        };

        // 头部播放 - 暂停
        const pauseHead = () => {
            audioPlayer.value.pause();
            audioHeadState.value = false;
        };

        // 播放 组件状态
        let previewState = ref(false);

        let art = null;
        // 开启播放 MV
        const openPreview = () => {
            previewState.value = true;
            nextTick(() => {
                art = new Artplayer({
                    container: ".artplayer-app",
                    url: "https://o.x-php.com/Zvt57TuJSUvkyhw-xG7Y2l-c-JoqdX_qqsgFptxhcq_cQnrlc6Z1CwMUBq_D-81qNDQyOQ~~",
                    autoplay: true,
                    poster: "https://o.x-php.com/thumb/UHkZOgUVDvP9z7rPV2rT1kE22Zf1QEiLggt9OPnf5hC7a-QU5l8VTqiP5awMLv2DMEUiOUl03dK1PW0Yzf8ZPfpa7ZTTgV-PZGNjZQ~~",
                });
                art.play();
            });
        };

        // 关闭播放 MV
        const closePreview = () => {
            previewState.value = false;
            art?.destroy();
            art = null;
        };

        let audioList = ref([
            {
                url: "https://app.gter.net/image/miniApp/mp3/1.mp3",
            },
            {
                url: "https://app.gter.net/image/miniApp/mp3/2.mp3",
            },
            {
                url: "https://app.gter.net/image/miniApp/mp3/3.mp3",
            },
            {
                url: "https://app.gter.net/image/miniApp/mp3/4.mp3",
            },
        ]);

        const playAudio = (index) => {
            closeAll();
            nextTick(() => {
                let target = audioList.value[index];
                const url = target.url;
                if (audioPlayer.value?.src != url) audioPlayer.value.src = url;
                audioPlayer.value.play().then(() => {
                    target["state"] = true;
                });
            });
        };

        const pauseAudio = (index) => {
            let target = audioList.value[index];
            target["state"] = false;
            audioPlayer.value.pause();
        };

        // 快进 和 后退 10秒
        const fastForward = (type = "fast", src, area) => {
            if (!audioPlayer.value) return;
            console.log("src", src, "audioPlayer", audioPlayer.value);
            if (audioPlayer.value.src != src) {
                manageAudio(src, area);
                return;
            }

            let currentTime = audioPlayer.value.currentTime || 0;
            const duration = audioPlayer.value.duration || 0;
            let newTime = 0;
            if (type == "fast") newTime = Math.min(currentTime + 10, duration);
            else newTime = Math.max(currentTime - 10, 0);
            audioPlayer.value.currentTime = newTime;
            getProgress();
        };

        const manageAudio = (src, area) => {
            console.log("src", src, "area", area);
            const audio = audioPlayer.value;
            console.log("audio", audio.paused);
            closeAll();
            if (area == "head") {
                nextTick(() => {
                    if (audio?.src != src) audio.src = src;
                    audio.play().then(() => (audioHeadState.value = true));
                });
            }

            if (area == "works") {
                nextTick(() => {
                    if (audio?.src != src) audio.src = src;
                    audio.play().then(() => {
                        audioList.value.forEach((item) => {
                            if (item.url == src) item["state"] = true;
                        });
                    });
                });
            }
        };

        const closeAll = () => {
            audioPlayer.value.pause();
            audioHeadState.value = false;
            audioList.value.forEach((item) => {
                item["state"] = false;
            });
        };

        return { closeAll, manageAudio, progress, pauseAudio, playAudio, audioList, closePreview, openPreview, previewState, audioHeadState, pauseHead, playHead, audioPlayer, text, trait, fastForward };
    },
}).mount("#appIndex");