Database-Final-Project/interface___.html at main · tingyun1412/Database-Final-Project · GitHub

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<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>喜好歌單分析</title>
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/PapaParse/5.3.0/papaparse.min.js"></script>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
        }
        .container {
            display: flex;
            padding: 20px;
            background-color: #fff;
            width: 80%;
            max-width: 1200px;
        }
        .sidebar {
            text-align: center;
            padding: 10px;
            margin-right: 20px;
            border-right: 2px solid #333;
            width: 30%;
            height: 600px;
            overflow-y: auto;
        }
        .sidebar h2 {
            writing-mode: vertical-rl;
            transform: rotate(180deg);
            font-size: 24px;
        }
        .content {
            padding: 10px;
            position: relative;
            width: 70%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .buttons {
            display: flex;
            justify-content: space-around;
            margin-bottom: 20px;
            width: 100%;
        }
        .buttons button {
            padding: 10px;
            font-size: 16px;
            cursor: pointer;
        }
        .chart-container {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            width: 100%;
        }
        .chart {
            width: 250px;
            height: 250px;
            margin-right: 20px;
        }
        .right-panel {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            margin-top: 20px;
            gap: 10px;
            width: 200px;
        }
        .options {
            text-align: left;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            gap: 10px;
            margin-bottom: 20px;
        }
        .options p {
            cursor: pointer;
            padding: 5px 10px;
            color: #fff;
            border-radius: 5px;
            font-weight: bold;
        }
        .create-playlist {
            margin-top: 20px;
            text-align: center;
        }
        .create-playlist button {
            padding: 10px;
            font-size: 16px;
            cursor: pointer;
            position: relative;
            bottom: 0;
            text-align: center;
        }
        .song-list {
            max-height: 400px;
            overflow-y: auto;
        }
        .song-item {
            margin: 5px 0;
            display: flex;
            align-items: center;
        }
        .song-item label {
            margin-left: 10px;
            font-size: 16px;
        }
        .upload-section {
            margin-bottom: 20px;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            background-color: #f9f9f9;
        }
        .upload-section h3 {
            margin-bottom: 10px;
            font-size: 18px;
            color: #333;
        }
    </style>
</head>
<body>
    <div class="container">
        <!-- 側邊欄：顯示"喜好歌單"文字 -->
        <div class="sidebar">
            <!-- 第一格：上傳語言的 CSV 檔 -->
            <div class="upload-section">
                <h3>語言</h3>
                <input type="file" id="languageCsvInput" accept=".csv" onchange="handleUserUpload(event, 'language')" />
            </div>

            <!-- 第二格：上傳風格的 CSV 檔 -->
            <div class="upload-section">
                <h3>風格</h3>
                <input type="file" id="genreCsvInput" accept=".csv" onchange="handleUserUpload(event, 'genre')" />
            </div>

            <!-- 第三格：上傳 Emo 指數的 CSV 檔 -->
            <div class="upload-section">
                <h3>Emo 指數</h3>
                <input type="file" id="emoCsvInput" accept=".csv" onchange="handleUserUpload(event, 'emotion')" />
            </div>

            <!-- 第四格：上傳歌手的 CSV 檔 -->
            <div class="upload-section">
                <h3>歌手</h3>
                <input type="file" id="artistCsvInput" accept=".csv" onchange="handleUserUpload(event, 'artist')" />
            </div>
        </div>


        <!-- 主內容區 -->
        <div class="content">
            <!-- 選擇按鈕 -->
            <div class="buttons">
                <button onclick="generateChart('language')">語言</button>
                <button onclick="generateChart('genre')">風格</button>
                <button onclick="generateChart('emotion')">Emo指數</button>
                <button onclick="generateChart('artist')">歌手</button>
            </div>
            <div class="chart">
                <canvas id="chartCanvas"></canvas>
            </div>

            <!-- 圓餅圖和右側選項區域 -->
            <div class="chart-container">
                <div class="chart">
                    <canvas id="languageChart"></canvas>
                </div>

                <!-- 右側選項和創建歌單 -->
                <div class="right-panel">
                    <!-- 分析結果選擇區域 -->
                    <div class="options" id="options"></div>

                    <!-- 顯示歌單 -->
                    <div class="song-list"></div>

                    <!-- 創建歌單按鈕 -->
                    <div class="create-playlist">
                        <input type="button" value="創建歌單" onclick="createPlaylist()" />
                    </div>
                </div>

            </div>
        </div>
    </div>

    <script>
    let dataStore = {
        language: [],
        genre: [],
        emotion: [],
        artist: [],
    };

    function handleUserUpload(event, type) {
        const file = event.target.files[0];
        if (!file) return;

        const reader = new FileReader();
        reader.onload = function (e) {
            const text = e.target.result;
            processCSVData(text, type);
        };
        reader.readAsText(file);
    }

    function processCSVData(csvText, type) {
        console.log(`Processing ${type} data`);
        const rows = csvText.split("\n").map(row => row.split(","));
        const headers = rows.shift(); // 移除標題列

        // 根據資料類型選擇相應的欄位索引
        const columnIndex = {
            language: 2, // 語言在第 3 欄
            genre: 4,    // 風格在第 5 欄
            emotion: 2,  // Emo 指數在第 3 欄
            artist: 1    // 歌手在第 2 欄
        }[type];

        // 直接提取歌名和歌手名稱
        if (type === 'emotion') {
            dataStore[type] = rows.map(row => ({
                value: parseFloat(row[columnIndex]?.trim().replace(/"/g, '')), // Emo 指數轉換為數字
                song: row[0]?.trim() || '未知',  // 歌名
                artist: row[1]?.trim() || '未知' // 歌手
            })).filter(item => !isNaN(item.value)); // 過濾無效的 Emo 指數數據
        } else {
            dataStore[type] = rows.map(row => ({
                value: row[columnIndex]?.trim().replace(/"/g, ''), // 直接提取語言、風格等欄位
                song: row[0]?.trim() || '未知',  // 歌名
                artist: row[1]?.trim() || '未知' // 歌手
            })).filter(item => item.value); // 過濾掉空值
        }

        console.log(`${type} Data:`, dataStore[type]);
    }


    let currentChart = null;

    function generateChart(type) {
        if (!dataStore[type] || dataStore[type].length === 0) {
            alert(`請先上傳 ${type} 的 CSV 檔案！`);
            return;
        }

        let dataCounts = {};

        if (type === 'emotion') {
            dataCounts = { "0~0.25": 0, "0.25~0.5": 0, "0.5~0.75": 0, "0.75~1": 0 };
            dataStore[type].forEach(item => {
                const value = parseFloat(item.value);
                if (value >= 0 && value < 0.25) {
                    dataCounts["0~0.25"]++;
                } else if (value >= 0.25 && value < 0.5) {
                    dataCounts["0.25~0.5"]++;
                } else if (value >= 0.5 && value < 0.75) {
                    dataCounts["0.5~0.75"]++;
                } else if (value >= 0.75 && value <= 1) {
                    dataCounts["0.75~1"]++;
                }
            });
        } else {
            dataStore[type].forEach(item => {
                const key = item.value;
                dataCounts[key] = (dataCounts[key] || 0) + 1;
            });
        }

        const optionsContainer = document.getElementById('options');
        optionsContainer.innerHTML = '';
        Object.keys(dataCounts).forEach(option => {
            const optionElement = document.createElement('div');
            optionElement.innerHTML = `
                <label>
                    <input type="checkbox" value="${option}" />
                    ${option} (${dataCounts[option]})
                </label>
            `;
            optionsContainer.appendChild(optionElement);
        });

        const chartData = {
            labels: Object.keys(dataCounts),
            datasets: [{
                data: Object.values(dataCounts),
                backgroundColor: generateColors(Object.keys(dataCounts).length),
            }],
        };

        if (currentChart) {
            currentChart.destroy();
        }
        const ctx = document.getElementById("chartCanvas").getContext("2d");
        currentChart = new Chart(ctx, {
            type: "pie",
            data: chartData,
            options: {
                responsive: true,
                plugins: {
                    legend: { position: "top" },
                },
            },
        });
    }

    function generateColors(count) {
        const colors = [];
        for (let i = 0; i < count; i++) {
            colors.push(`hsl(${Math.floor(Math.random() * 360)}, 70%, 70%)`);
        }
        return colors;
    }

    function createPlaylist() {
        const checkedOptions = Array.from(document.querySelectorAll('#options input:checked'))
            .map(checkbox => checkbox.value);

        if (checkedOptions.length === 0) {
            alert("請至少選擇一個分類!");
            return;
        }

        const filteredSongs = [];
        for (const type in dataStore) {
            filteredSongs.push(
                ...dataStore[type].filter(item => checkedOptions.includes(item.value))
            );
        }

        displaySelectedSongs(filteredSongs);

        localStorage.setItem('playlist', JSON.stringify(filteredSongs));

        window.location.href = "newplaylist.html";
    }

    function displaySelectedSongs(songs) {
        const songListContainer = document.querySelector('.song-list');
        songListContainer.innerHTML = ''; // 清空當前顯示的歌曲

        if (songs.length === 0) {
            songListContainer.innerHTML = '<p>沒有符合條件的歌曲。</p>';
            return;
        }

        songs.forEach(song => {
            console.log(song);
            const songItem = document.createElement('div');
            songItem.classList.add('song-item');
            songItem.innerHTML = `
                <label>
                    ${song.song} - ${song.artist}
                </label>
            `;
            songListContainer.appendChild(songItem);
        });
    }

    </script>
</body>
</html>