{% extends "base.html" %}
{% set show_nav = true %}

{% block title %}统计报表{% endblock %}

{% block extra_css %}
<script src="{{ url_for('static', filename='js/chart.umd.min.js') }}"></script>
{% endblock %}

{% block content %}
<div class="container-fluid">
    <h2 class="mb-4">统计报表</h2>

    <!-- 筛选器 -->
    <div class="card mb-3">
        <div class="card-body">
            <div class="row g-3 align-items-end">
                <div class="col-md-2">
                    <label class="form-label">快捷选择</label>
                    <select class="form-select" id="quick-select" onchange="applyQuickSelect()">
                        <option value="">自定义</option>
                        <option value="today">今天</option>
                        <option value="week">本周</option>
                        <option value="month">本月</option>
                        <option value="30days">最近30天</option>
                    </select>
                </div>
                <div class="col-md-2">
                    <label class="form-label">开始日期</label>
                    <input type="date" class="form-control" id="date-from">
                </div>
                <div class="col-md-2">
                    <label class="form-label">结束日期</label>
                    <input type="date" class="form-control" id="date-to">
                </div>
                <div class="col-md-3">
                    <button class="btn btn-primary me-2" onclick="loadStatistics()">
                        <i class="bi bi-search"></i> 查询
                    </button>
                    <button class="btn btn-success" onclick="exportData()">
                        <i class="bi bi-download"></i> 导出CSV
                    </button>
                </div>
            </div>
        </div>
    </div>

    <!-- 概览卡片 -->
    <div class="row mb-4">
        <div class="col-md-3">
            <div class="card text-white bg-primary">
                <div class="card-body">
                    <h5 class="card-title">今日完成</h5>
                    <h2 id="today-count">-</h2>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-white bg-success">
                <div class="card-body">
                    <h5 class="card-title">本月完成</h5>
                    <h2 id="month-count">-</h2>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-white bg-warning">
                <div class="card-body">
                    <h5 class="card-title">待认领</h5>
                    <h2 id="pending-count">-</h2>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-white bg-info">
                <div class="card-body">
                    <h5 class="card-title">进行中</h5>
                    <h2 id="claimed-count">-</h2>
                </div>
            </div>
        </div>
    </div>

    <!-- 个人统计 -->
    <div class="row mb-4">
        <div class="col-md-6">
            <div class="card">
                <div class="card-header">
                    <h5 id="stats-title">我的完成统计</h5>
                </div>
                <div class="card-body">
                    <div class="mb-3">
                        <strong>总完成数：</strong><span id="my-total">-</span>
                    </div>
                    <div class="mb-3">
                        <strong>待完成数：</strong><span id="my-pending">-</span>
                    </div>
                    <div style="height: 250px;">
                        <canvas id="myChart"></canvas>
                    </div>
                </div>
            </div>
        </div>

        <!-- 排行榜 -->
        <div class="col-md-6">
            <div class="card">
                <div class="card-header">
                    <h5>本月排行榜</h5>
                </div>
                <div class="card-body">
                    <div style="max-height: 400px; overflow-y: auto;">
                        <table class="table table-sm">
                            <thead>
                                <tr>
                                    <th>排名</th>
                                    <th>用户</th>
                                    <th>完成数</th>
                                </tr>
                            </thead>
                            <tbody id="leaderboard">
                                <tr>
                                    <td colspan="3" class="text-center">加载中...</td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- 趋势图 -->
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h5 id="trend-title">完成趋势</h5>
                </div>
                <div class="card-body">
                    <div style="height: 300px;">
                        <canvas id="trendChart"></canvas>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script src="{{ url_for('static', filename='js/statistics.js') }}"></script>
{% endblock %}