{% extends "ewoooc_base.html" %}

{% block title %}通知模板管理 - EwoooC{% endblock %}

{% block content %}
<div class="container-fluid py-4 notification-templates-page">
    <div class="row">
        <div class="col-12">
            <div class="card notification-card">
                <div class="card-header notification-card__header d-flex justify-content-between align-items-center">
                    <h5 class="mb-0"><i class="fas fa-bell me-2"></i>通知模板管理</h5>
                    <div class="notification-card__tools">
                        <select class="form-select form-select-sm d-inline-block w-auto me-2" id="categoryFilter">
                            <option value="">全部分類</option>
                        </select>
                        <button class="btn btn-sm btn-outline-secondary" onclick="initTemplates()">
                            <i class="fas fa-sync me-1"></i>初始化預設
                        </button>
                    </div>
                </div>
                <div class="card-body p-0">
                    <div class="table-responsive">
                        <table class="table table-hover mb-0 notification-template-table">
                            <thead class="notification-table-head">
                                <tr>
                                    <th style="width: 40px;">狀態</th>
                                    <th style="width: 220px;">通知名稱</th>
                                    <th style="width: 100px;">分類</th>
                                    <th style="width: 80px;">渠道</th>
                                    <th>預覽</th>
                                    <th style="width: 100px;">操作</th>
                                </tr>
                            </thead>
                            <tbody id="templateList">
                                <tr><td colspan="6" class="notification-empty">載入中...</td></tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- 編輯 Modal -->
<div class="modal fade" id="editModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title"><i class="fas fa-edit me-2"></i>編輯通知模板</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <form id="editForm">
                    <input type="hidden" id="editCode">
                    <div class="row mb-3">
                        <div class="col-12">
                            <label class="form-label">通知名稱</label>
                            <input type="text" class="form-control" id="editName" required>
                        </div>
                    </div>
                    <div class="row mb-3">
                        <div class="col-md-4">
                            <label class="form-label">Emoji 前綴</label>
                            <input type="text" class="form-control" id="editEmoji" maxlength="4">
                        </div>
                        <div class="col-md-4">
                            <label class="form-label">渠道</label>
                            <select class="form-select" id="editChannel">
                                <option value="telegram">Telegram</option>
                                <option value="line">LINE</option>
                                <option value="both">兩者</option>
                            </select>
                        </div>
                        <div class="col-md-4">
                            <label class="form-label">狀態</label>
                            <select class="form-select" id="editActive">
                                <option value="true">啟用</option>
                                <option value="false">停用</option>
                            </select>
                        </div>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">標題</label>
                        <input type="text" class="form-control" id="editTitle">
                    </div>
                    <div class="mb-3">
                        <label class="form-label">訊息內容</label>
                        <textarea class="form-control font-monospace" id="editBody" rows="8" required></textarea>
                        <small class="text-muted">
                            支援變數: <code>{variable_name}</code>。常用變數會根據模板類型自動提供。
                        </small>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">預覽</label>
                        <div class="notification-preview" id="previewArea">
                            尚未預覽，先確認訊息是否清楚交代商品、風險與下一步。
                        </div>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-outline-secondary" onclick="previewTemplate()">
                    <i class="fas fa-eye me-1"></i>預覽
                </button>
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
                <button type="button" class="btn btn-primary" onclick="saveTemplate()">
                    <i class="fas fa-save me-1"></i>儲存
                </button>
            </div>
        </div>
    </div>
</div>

<style>
.notification-templates-page {
    color: var(--momo-text-primary);
}

.notification-card {
    overflow: hidden;
    background: var(--momo-bg-surface);
    border: 1px solid var(--momo-border-light);
    border-radius: var(--momo-radius-md);
    box-shadow: none;
}

.notification-card__header {
    gap: var(--momo-space-3);
    flex-wrap: wrap;
    background: var(--momo-dot-grid), var(--momo-bg-paper);
    border-bottom: 1px solid var(--momo-border-light);
    color: var(--momo-text-primary);
}

.notification-card__header h5 {
    color: var(--momo-text-primary);
    font-family: var(--momo-font-display);
    font-size: var(--momo-text-title);
    font-weight: 800;
    letter-spacing: 0;
}

.notification-card__tools {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--momo-space-2);
}

.notification-table-head th {
    background: var(--momo-bg-paper) !important;
    color: var(--momo-text-secondary) !important;
    border-bottom: 1px solid var(--momo-border-light);
    font-family: var(--momo-font-mono, monospace);
    font-size: var(--momo-text-label);
    font-weight: 800;
    letter-spacing: 0.04em;
}

.notification-empty {
    padding: var(--momo-space-5) !important;
    color: var(--momo-text-secondary) !important;
    text-align: center;
}

.template-preview {
    max-height: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--momo-text-secondary);
    font-size: 0.875rem;
}

.notification-preview {
    min-height: 116px;
    padding: 0.85rem 1rem;
    border: 1px solid var(--momo-border-light);
    border-radius: var(--momo-radius-sm);
    background: var(--momo-bg-paper);
    color: var(--momo-text-primary);
    font-family: var(--momo-font-mono, monospace);
    font-size: 0.88rem;
    line-height: 1.65;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.notification-template-table {
    table-layout: fixed;
    width: 100%;
}

.notification-template-table th,
.notification-template-table td {
    overflow-wrap: anywhere;
}

.notification-template-table .template-preview {
    min-width: 0;
}

.notification-status-badge,
.notification-category-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 22px;
    padding: 3px 8px;
    border: 1px solid var(--momo-border-light);
    border-radius: var(--momo-radius-sm);
    font-family: var(--momo-font-mono, monospace);
    font-size: var(--momo-text-label);
    font-weight: 800;
    line-height: 1;
}

.notification-status-badge.is-active {
    background: var(--momo-success-bg);
    border-color: var(--momo-success-border);
    color: var(--momo-success-text);
}

.notification-status-badge.is-inactive {
    background: var(--momo-tag-muted-bg);
    border-color: var(--momo-tag-muted-border);
    color: var(--momo-tag-muted-text);
}

.notification-category-badge {
    background: var(--momo-info-bg);
    border-color: var(--momo-info-border);
    color: var(--momo-info-text);
}

.notification-toast {
    z-index: 9999;
    max-width: min(340px, calc(100vw - 24px));
    padding: 12px 14px;
    border: 1px solid var(--momo-border-light);
    border-radius: var(--momo-radius-md);
    background: var(--momo-bg-elevated);
    color: var(--momo-text-primary);
    font-weight: 700;
}

.notification-toast--success {
    background: var(--momo-success-bg);
    border-color: var(--momo-success-border);
    color: var(--momo-success-text);
}

.notification-toast--danger {
    background: var(--momo-danger-bg);
    border-color: var(--momo-danger-border);
    color: var(--momo-danger-text);
}

.notification-toast--warning {
    background: var(--momo-warning-bg);
    border-color: var(--momo-warning-border);
    color: var(--momo-warning-text);
}

.notification-toast--info {
    background: var(--momo-info-bg);
    border-color: var(--momo-info-border);
    color: var(--momo-info-text);
}

@media (max-width: 760px) {
    .notification-card__tools,
    .notification-card__tools .form-select,
    .notification-card__tools .btn {
        width: 100% !important;
    }

    .notification-template-table {
        min-width: 0;
        border-collapse: separate;
        border-spacing: 0;
    }

    .notification-template-table,
    .notification-template-table tbody,
    .notification-template-table tr,
    .notification-template-table td {
        display: block;
        width: 100%;
    }

    .notification-template-table thead {
        display: none;
    }

    .notification-template-table tbody {
        display: grid;
        gap: 10px;
        padding: 12px;
    }

    .notification-template-table tbody tr {
        overflow: hidden;
        border: 1px solid var(--momo-border-light, #e5dccd);
        border-radius: 8px;
        background: var(--momo-bg-surface, #fffaf1);
    }

    .notification-template-table tbody td {
        display: grid;
        grid-template-columns: 5.6rem minmax(0, 1fr);
        gap: 10px;
        padding: 10px 12px;
        border-bottom: 1px solid var(--momo-border-light, #e5dccd);
        text-align: left !important;
        overflow-wrap: anywhere;
    }

    .notification-template-table tbody td:last-child {
        border-bottom: 0;
    }

    .notification-template-table tbody td::before {
        color: var(--momo-text-tertiary, #9a8f80);
        font-family: var(--momo-font-mono, monospace);
        font-size: 11px;
        font-weight: 800;
    }

    .notification-template-table tbody td:nth-child(1)::before { content: "狀態"; }
    .notification-template-table tbody td:nth-child(2)::before { content: "通知"; }
    .notification-template-table tbody td:nth-child(3)::before { content: "分類"; }
    .notification-template-table tbody td:nth-child(4)::before { content: "渠道"; }
    .notification-template-table tbody td:nth-child(5)::before { content: "預覽"; }
    .notification-template-table tbody td:nth-child(6)::before { content: "操作"; }

    .notification-template-table tbody td[colspan] {
        display: block;
    }

    .notification-template-table tbody td[colspan]::before {
        content: none;
    }

    .notification-template-table .template-preview {
        max-height: none;
        white-space: normal;
    }
}
</style>

<script>
let templates = [];
let categories = [];

const SAMPLE_TEMPLATE_VALUES = {
    usage_percent: '87.5', free_gb: '12.3', total_gb: '100',
    new_usage_percent: '75.2', results: '已完成清理並釋放空間',
    status: '需確認', database: '資料連線需確認', deployment: '主系統',
    issues: '網站憑證將於 10 天後到期', error: '找不到最新備份檔案',
    project: 'PChome 業績成長系統', branch: '正式版', deploy_id: '123',
    update_summary: '更新業績流程', author: '系統管理員', duration: '2 分 30 秒',
    url: 'https://mo.wooo.work',
    date: '2026-01-25', app_status: '正常', backup_status: '正常',
    crawler_status: '需檢查', last_backup: '最新備份已建立',
    week_start: '2026-01-20', week_end: '2026-01-26', total_sales: '1,234,567',
    order_count: '456', growth_rate: '15.2',
    month: '二月', prev_month: '一月'
};

function publicTemplateText(text) {
    let output = String(text || '');
    for (const [key, value] of Object.entries(SAMPLE_TEMPLATE_VALUES)) {
        output = output.replace(new RegExp(`\\{${key}\\}`, 'g'), value);
    }
    return output
        .replace(/CI\/CD Pipeline SUCCESS/g, '部署流程成功')
        .replace(/CI\/CD Pipeline FAILED/g, '部署流程失敗')
        .replace(/K8s Pod/g, '服務健康')
        .replace(/Pod 重啟/g, '服務重啟')
        .replace(/Pipeline/g, '部署流程')
        .replace(/Commit/g, '更新內容')
        .replace(/備份資料庫/g, '建立營運資料備份')
        .replace(/資料庫狀態/g, '資料連線狀態')
        .replace(/資料庫大小/g, '資料容量')
        .replace(/資料庫:/g, '資料連線:')
        .replace(/資料庫：/g, '資料連線：')
        .replace(/資料庫/g, '資料連線');
}

document.addEventListener('DOMContentLoaded', function() {
    loadTemplates();

    document.getElementById('categoryFilter').addEventListener('change', function() {
        renderTemplates();
    });

    // 即時預覽
    ['editEmoji', 'editTitle', 'editBody'].forEach(id => {
        document.getElementById(id).addEventListener('input', debounce(previewTemplate, 500));
    });
});

function debounce(func, wait) {
    let timeout;
    return function(...args) {
        clearTimeout(timeout);
        timeout = setTimeout(() => func.apply(this, args), wait);
    };
}

async function loadTemplates() {
    try {
        const resp = await fetch('/api/notification/templates');
        const data = await resp.json();
        if (data.success) {
            templates = data.templates;
            categories = data.categories;

            // 填充分類下拉選單
            const filter = document.getElementById('categoryFilter');
            filter.innerHTML = '<option value="">全部分類</option>';
            categories.forEach(cat => {
                filter.innerHTML += `<option value="${cat.code}">${cat.name}</option>`;
            });

            renderTemplates();
        }
    } catch (e) {
        console.error('載入模板失敗:', e);
        showToast('載入模板失敗', 'danger');
    }
}

function renderTemplates() {
    const category = document.getElementById('categoryFilter').value;
    const filtered = category ? templates.filter(t => t.category === category) : templates;

    const tbody = document.getElementById('templateList');
    if (filtered.length === 0) {
        tbody.innerHTML = '<tr><td colspan="6" class="notification-empty">沒有模板</td></tr>';
        return;
    }

    tbody.innerHTML = filtered.map(t => {
        const catName = categories.find(c => c.code === t.category)?.name || t.category;
        const displayName = publicTemplateText(t.name || '未命名通知');
        const preview = publicTemplateText(`${t.emoji_prefix || ''} ${t.title || ''}\n${t.body || ''}`).substring(0, 96);
        const channelLabel = t.channel === 'telegram' ? 'Telegram' : t.channel === 'line' ? 'LINE' : '雙渠道';
        return `
            <tr>
                <td>
                    <span class="notification-status-badge ${t.is_active ? 'is-active' : 'is-inactive'}">
                        ${t.is_active ? '啟用' : '停用'}
                    </span>
                </td>
                <td>${escapeHtml(displayName)}</td>
                <td><span class="notification-category-badge">${catName}</span></td>
                <td>${channelLabel}</td>
                <td class="template-preview">${escapeHtml(preview)}...</td>
                <td>
                    <button class="btn btn-sm btn-outline-primary" onclick="editTemplate('${t.code}')">
                        <i class="fas fa-edit"></i>
                    </button>
                </td>
            </tr>
        `;
    }).join('');
}

function escapeHtml(text) {
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}

function editTemplate(code) {
    const template = templates.find(t => t.code === code);
    if (!template) return;

    document.getElementById('editCode').value = template.code;
    document.getElementById('editName').value = template.name || '';
    document.getElementById('editEmoji').value = template.emoji_prefix || '';
    document.getElementById('editChannel').value = template.channel || 'telegram';
    document.getElementById('editActive').value = template.is_active ? 'true' : 'false';
    document.getElementById('editTitle').value = template.title || '';
    document.getElementById('editBody').value = template.body || '';
    document.getElementById('previewArea').textContent = '尚未預覽，先確認訊息是否清楚交代商品、風險與下一步。';

    new bootstrap.Modal(document.getElementById('editModal')).show();
}

async function previewTemplate() {
    const code = document.getElementById('editCode').value;
    const emoji = document.getElementById('editEmoji').value;
    const title = document.getElementById('editTitle').value;
    const body = document.getElementById('editBody').value;

    // 本地預覽（使用範例變數）
    let preview = `${emoji} *${title}*\n\n${body}`;

    // 替換變數
    for (const [key, value] of Object.entries(SAMPLE_TEMPLATE_VALUES)) {
        preview = preview.replace(new RegExp(`\\{${key}\\}`, 'g'), value);
    }

    document.getElementById('previewArea').textContent = preview;
}

async function saveTemplate() {
    const code = document.getElementById('editCode').value;
    const data = {
        name: document.getElementById('editName').value,
        emoji_prefix: document.getElementById('editEmoji').value,
        channel: document.getElementById('editChannel').value,
        is_active: document.getElementById('editActive').value === 'true',
        title: document.getElementById('editTitle').value,
        body: document.getElementById('editBody').value
    };

    try {
        const resp = await fetch(`/api/notification/templates/${code}`, {
            method: 'PUT',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRFToken': getCSRFToken()
            },
            body: JSON.stringify(data)
        });

        const result = await resp.json();
        if (result.success) {
            showToast('模板已更新', 'success');
            bootstrap.Modal.getInstance(document.getElementById('editModal')).hide();
            loadTemplates();
        } else {
            showToast(result.error || '更新失敗', 'danger');
        }
    } catch (e) {
        console.error('儲存失敗:', e);
        showToast('儲存失敗', 'danger');
    }
}

async function initTemplates() {
    if (!confirm('確定要初始化預設模板？這不會覆蓋已存在的模板。')) return;

    try {
        const resp = await fetch('/api/notification/init', {
            method: 'POST',
            headers: { 'X-CSRFToken': getCSRFToken() }
        });
        const result = await resp.json();
        if (result.success) {
            showToast('預設模板已初始化', 'success');
            loadTemplates();
        } else {
            showToast(result.error || '初始化失敗', 'danger');
        }
    } catch (e) {
        console.error('初始化失敗:', e);
        showToast('初始化失敗', 'danger');
    }
}

function getCSRFToken() {
    return document.querySelector('meta[name="csrf-token"]')?.content || '';
}

function showToast(message, type = 'info') {
    // 簡單的 toast 顯示
    const toast = document.createElement('div');
    toast.className = `notification-toast notification-toast--${type} position-fixed top-0 end-0 m-3`;
    toast.textContent = message;
    document.body.appendChild(toast);
    setTimeout(() => toast.remove(), 3000);
}
</script>
{% endblock %}