ckw1.github.io/card2.html at master · ckw1/ckw1.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <title>Credit Card Todo Reminder</title>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            padding: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        .month-section {
            margin: 20px 0;
        }
        .card-item {
            background: #f5f5f5;
            padding: 15px;
            margin: 10px 0;
            border-radius: 8px;
            display: flex;
            align-items: center;
        }
        .card-item.completed {
            background: #e0e0e0;
            text-decoration: line-through;
            color: #666;
        }
        input, button {
            padding: 8px;
            margin: 5px 0;
        }
        button {
            background: #007aff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        .export-import {
            margin-top: 20px;
        }
        .checkbox {
            margin-right: 10px;
        }
    </style>
</head>
<body>
    <h1>Credit Card Reminders</h1>

    <div id="addForm">
        <input type="text" id="cardName" placeholder="Card Name">
        <input type="number" id="dueDate" placeholder="Due Date (1-31)" min="1" max="31">
        <button onclick="addCard()">Add Card</button>
    </div>

    <div id="cardList"></div>

    <div class="export-import">
        <button onclick="exportData()">Export Data</button>
        <input type="file" id="importFile" accept=".json" onchange="importData(event)">
        <label for="importFile">Import Data</label>
    </div>

    <script>
        let cards = JSON.parse(localStorage.getItem('creditCards')) || [];
        const months = [
            'January', 'February', 'March', 'April', 'May', 'June',
            'July', 'August', 'September', 'October', 'November', 'December'
        ];

        function saveCards() {
            localStorage.setItem('creditCards', JSON.stringify(cards));
            renderCards();
        }

        function addCard() {
            const name = document.getElementById('cardName').value;
            const dueDate = parseInt(document.getElementById('dueDate').value);

            if (name && dueDate >= 1 && dueDate <= 31) {
                const newCard = {
                    name,
                    dueDate,
                    completions: {} // Store completion status by year-month
                };
                cards.push(newCard);
                saveCards();
                document.getElementById('cardName').value = '';
                document.getElementById('dueDate').value = '';
            }
        }

        function toggleComplete(cardIndex, yearMonth) {
            const card = cards[cardIndex];
            if (!card.completions[yearMonth]) {
                card.completions[yearMonth] = false;
            }
            card.completions[yearMonth] = !card.completions[yearMonth];
            saveCards();
        }

        function deleteCard(index) {
            cards.splice(index, 1);
            saveCards();
        }

        function getDaysUntilDue(dueDate, month, year) {
            const today = new Date();
            const targetDate = new Date(year, month, dueDate);
            const diffTime = targetDate - today;
            return Math.ceil(diffTime / (1000 * 60 * 60 * 24));
        }

        function renderCards() {
            const cardList = document.getElementById('cardList');
            cardList.innerHTML = '';

            const today = new Date();
            const currentYear = today.getFullYear();

            // Show current and next 11 months (1 year total)
            for (let i = 0; i < 12; i++) {
                const month = (today.getMonth() + i) % 12;
                const year = currentYear + Math.floor((today.getMonth() + i) / 12);
                const yearMonth = `${year}-${month}`;

                const monthSection = document.createElement('div');
                monthSection.className = 'month-section';
                monthSection.innerHTML = `<h2>${months[month]} ${year}</h2>`;

                cards.forEach((card, cardIndex) => {
                    const daysUntilDue = getDaysUntilDue(card.dueDate, month, year);
                    const isCompleted = card.completions[yearMonth] || false;

                    const cardDiv = document.createElement('div');
                    cardDiv.className = `card-item ${isCompleted ? 'completed' : ''}`;
                    cardDiv.innerHTML = `
                        <input type="checkbox" class="checkbox"
                               ${isCompleted ? 'checked' : ''}
                               onchange="toggleComplete(${cardIndex}, '${yearMonth}')">
                        <div style="flex: 1">
                            <strong>${card.name}</strong><br>
                            Due Date: ${card.dueDate}<br>
                            ${daysUntilDue >= 0 ? `Days until due: ${daysUntilDue}` : 'Past Due'}
                        </div>
                        ${i === 0 ? `<button onclick="deleteCard(${cardIndex})">Delete</button>` : ''}
                    `;
                    monthSection.appendChild(cardDiv);
                });

                cardList.appendChild(monthSection);
            }
        }

        function exportData() {
            const dataStr = JSON.stringify(cards);
            const dataUri = 'data:application/json;charset=utf-8,'+ encodeURIComponent(dataStr);
            const exportFileDefaultName = 'credit_card_reminders.json';

            const linkElement = document.createElement('a');
            linkElement.setAttribute('href', dataUri);
            linkElement.setAttribute('download', exportFileDefaultName);
            linkElement.click();
        }

        function importData(event) {
            const file = event.target.files[0];
            if (file) {
                const reader = new FileReader();
                reader.onload = function(e) {
                    try {
                        cards = JSON.parse(e.target.result);
                        saveCards();
                    } catch (error) {
                        alert('Error importing data: Invalid file format');
                    }
                };
                reader.readAsText(file);
            }
        }

        // Initial render
        renderCards();

        // Check reminders daily
        setInterval(() => {
            const today = new Date();
            const currentMonth = today.getMonth();
            const currentYear = today.getFullYear();
            const currentYearMonth = `${currentYear}-${currentMonth}`;

            cards.forEach((card, index) => {
                const daysUntilDue = getDaysUntilDue(card.dueDate, currentMonth, currentYear);
                const isCompleted = card.completions[currentYearMonth] || false;

                if (daysUntilDue <= 3 && daysUntilDue >= 0 && !isCompleted) {
                    if ('Notification' in window && Notification.permission === 'granted') {
                        new Notification(`${card.name} payment due in ${daysUntilDue} day(s)!`);
                    }
                }
            });
            renderCards();
        }, 24 * 60 * 60 * 1000); // Check every 24 hours

        // Request notification permission
        if ('Notification' in window && Notification.permission !== 'denied') {
            Notification.requestPermission();
        }
    </script>
</body>
</html>