{% extends "inventory/base.html" %}
{% load crispy_forms_tags %}
{% load inventory_tags %}

{% block title %}会员充值报表{% endblock %}

{% block extra_head %}
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
{% endblock %}

{% block content %}
<div class="container">
    <div class="row mb-4">
        <div class="col-md-8">
            <h1 class="h2">会员充值报表</h1>
            <p class="text-muted">
                日期范围: {{ start_date|date:"Y-m-d" }} 至 {{ end_date|date:"Y-m-d" }}
            </p>
        </div>
        <div class="col-md-4 text-md-end">
            <a href="{% url 'reports_index' %}" class="btn btn-outline-secondary">
                <i class="bi bi-arrow-left me-1"></i> 返回报表中心
            </a>
        </div>
    </div>

    <!-- 搜索表单 -->
    <div class="row mb-4">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header">
                    <h3 class="h5 mb-0">设置报表参数</h3>
                </div>
                <div class="card-body">
                    <form method="post">
                        {% csrf_token %}
                        <div class="row">
                            <div class="col-md-5">
                                {{ form.start_date|as_crispy_field }}
                            </div>
                            <div class="col-md-5">
                                {{ form.end_date|as_crispy_field }}
                            </div>
                            <div class="col-md-2 d-flex align-items-end">
                                <button type="submit" class="btn btn-primary w-100">查询</button>
                            </div>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>

    <!-- 统计卡片 -->
    <div class="row mb-4">
        <div class="col-md-4">
            <div class="card text-white bg-warning">
                <div class="card-body">
                    <h5 class="card-title">充值总额</h5>
                    <h3 class="mb-0">¥{{ recharge_data.summary.total_recharge_amount|floatformat:2 }}</h3>
                    <p class="mt-2 mb-0">
                        <small>实收金额: ¥{{ recharge_data.summary.total_actual_amount|floatformat:2 }}</small>
                    </p>
                </div>
            </div>
        </div>
        <div class="col-md-4">
            <div class="card text-white bg-info">
                <div class="card-body">
                    <h5 class="card-title">充值次数</h5>
                    <h3 class="mb-0">{{ recharge_data.summary.total_recharge_count }}</h3>
                    <p class="mt-2 mb-0">
                        <small>充值会员数: {{ recharge_data.summary.recharged_member_count }}</small>
                    </p>
                </div>
            </div>
        </div>
        <div class="col-md-4">
            <div class="card text-white bg-success">
                <div class="card-body">
                    <h5 class="card-title">平均充值金额</h5>
                    <h3 class="mb-0">¥{{ recharge_data.summary.avg_recharge_amount|floatformat:2 }}</h3>
                    <p class="mt-2 mb-0">
                        <small>人均充值: ¥{{ recharge_data.summary.total_recharge_amount|div:recharge_data.summary.recharged_member_count|floatformat:2 }}</small>
                    </p>
                </div>
            </div>
        </div>
    </div>

    <!-- 图表 -->
    <div class="row mb-4">
        <div class="col-md-7">
            <div class="card h-100">
                <div class="card-header">
                    <h3 class="h5 mb-0">每日充值趋势</h3>
                </div>
                <div class="card-body">
                    <canvas id="dailyRechargeChart" height="300"></canvas>
                </div>
            </div>
        </div>
        <div class="col-md-5">
            <div class="card h-100">
                <div class="card-header">
                    <h3 class="h5 mb-0">支付方式分布</h3>
                </div>
                <div class="card-body">
                    <canvas id="paymentMethodChart" height="300"></canvas>
                </div>
            </div>
        </div>
    </div>

    <!-- 充值排行 -->
    <div class="row mb-4">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header">
                    <h3 class="h5 mb-0">会员充值排行 (TOP 10)</h3>
                </div>
                <div class="card-body p-0">
                    <div class="table-responsive">
                        <table class="table table-hover mb-0">
                            <thead class="table-light">
                                <tr>
                                    <th>排名</th>
                                    <th>会员姓名</th>
                                    <th>手机号码</th>
                                    <th>会员等级</th>
                                    <th class="text-end">充值总额</th>
                                    <th class="text-end">充值次数</th>
                                    <th class="text-end">平均充值</th>
                                    <th>操作</th>
                                </tr>
                            </thead>
                            <tbody>
                                {% for member in recharge_data.top_members %}
                                <tr>
                                    <td>{{ forloop.counter }}</td>
                                    <td>{{ member.name }}</td>
                                    <td>{{ member.phone }}</td>
                                    <td>
                                        <span class="badge bg-{{ member.level.color }}">{{ member.level.name }}</span>
                                    </td>
                                    <td class="text-end">¥{{ member.total_recharge|floatformat:2 }}</td>
                                    <td class="text-end">{{ member.recharge_count }}</td>
                                    <td class="text-end">¥{{ member.total_recharge|div:member.recharge_count|floatformat:2 }}</td>
                                    <td>
                                        <div class="btn-group btn-group-sm">
                                            <a href="{% url 'member_detail' pk=member.id %}" class="btn btn-outline-primary">
                                                <i class="bi bi-eye"></i>
                                            </a>
                                            <a href="{% url 'member_recharge_records' member.id %}" class="btn btn-outline-info">
                                                <i class="bi bi-list"></i>
                                            </a>
                                        </div>
                                    </td>
                                </tr>
                                {% empty %}
                                <tr>
                                    <td colspan="8" class="text-center py-4">没有充值数据</td>
                                </tr>
                                {% endfor %}
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- 充值明细表格 -->
    <div class="row">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header">
                    <h3 class="h5 mb-0">充值明细</h3>
                </div>
                <div class="card-body p-0">
                    <div class="table-responsive">
                        <table class="table table-hover mb-0">
                            <thead class="table-light">
                                <tr>
                                    <th>日期</th>
                                    <th class="text-end">充值金额</th>
                                    <th class="text-end">实收金额</th>
                                    <th class="text-end">充值笔数</th>
                                    <th class="text-end">充值会员数</th>
                                </tr>
                            </thead>
                            <tbody>
                                {% for recharge in recharge_data.daily_recharge %}
                                <tr>
                                    <td>{{ recharge.day|date:"Y-m-d" }}</td>
                                    <td class="text-end">¥{{ recharge.total_amount|floatformat:2 }}</td>
                                    <td class="text-end">¥{{ recharge.actual_amount|floatformat:2 }}</td>
                                    <td class="text-end">{{ recharge.count }}</td>
                                    <td class="text-end">{{ recharge.member_count }}</td>
                                </tr>
                                {% empty %}
                                <tr>
                                    <td colspan="5" class="text-center py-4">没有充值数据</td>
                                </tr>
                                {% endfor %}
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

{% if recharge_data.daily_recharge %}
<script>
    document.addEventListener('DOMContentLoaded', function() {
        // 每日充值趋势图表
        const ctxDaily = document.getElementById('dailyRechargeChart').getContext('2d');
        
        // 准备数据
        const dates = [
            {% for day_data in recharge_data.daily_recharge %}
                '{{ day_data.date|date:"m-d" }}',
            {% endfor %}
        ];
        
        const amounts = [
            {% for day_data in recharge_data.daily_recharge %}
                {{ day_data.total_amount }},
            {% endfor %}
        ];
        
        const counts = [
            {% for day_data in recharge_data.daily_recharge %}
                {{ day_data.count }},
            {% endfor %}
        ];
        
        // 创建图表
        new Chart(ctxDaily, {
            type: 'bar',
            data: {
                labels: dates,
                datasets: [
                    {
                        label: '充值金额',
                        data: amounts,
                        backgroundColor: 'rgba(13, 110, 253, 0.5)',
                        borderColor: 'rgba(13, 110, 253, 1)',
                        borderWidth: 1,
                        yAxisID: 'y'
                    },
                    {
                        label: '充值次数',
                        data: counts,
                        backgroundColor: 'rgba(25, 135, 84, 0.5)',
                        borderColor: 'rgba(25, 135, 84, 1)',
                        borderWidth: 1,
                        type: 'line',
                        yAxisID: 'y1'
                    }
                ]
            },
            options: {
                responsive: true,
                plugins: {
                    legend: {
                        position: 'top'
                    },
                    title: {
                        display: false
                    }
                },
                scales: {
                    y: {
                        type: 'linear',
                        display: true,
                        position: 'left',
                        title: {
                            display: true,
                            text: '充值金额'
                        }
                    },
                    y1: {
                        type: 'linear',
                        display: true,
                        position: 'right',
                        title: {
                            display: true,
                            text: '充值次数'
                        },
                        grid: {
                            drawOnChartArea: false
                        }
                    }
                }
            }
        });
        
        // 支付方式分布图表
        const ctxPay = document.getElementById('paymentMethodChart').getContext('2d');
        
        // 准备数据
        const payMethods = [
            {% for method_data in recharge_data.payment_stats %}
                '{{ method_data.payment_method }}',
            {% endfor %}
        ];
        
        const payAmounts = [
            {% for method_data in recharge_data.payment_stats %}
                {{ method_data.count }},
            {% endfor %}
        ];
        
        // 创建图表
        new Chart(ctxPay, {
            type: 'doughnut',
            data: {
                labels: payMethods,
                datasets: [{
                    data: payAmounts,
                    backgroundColor: [
                        'rgba(13, 110, 253, 0.7)',
                        'rgba(25, 135, 84, 0.7)',
                        'rgba(13, 202, 240, 0.7)',
                        'rgba(255, 193, 7, 0.7)'
                    ],
                    borderWidth: 1
                }]
            },
            options: {
                responsive: true,
                plugins: {
                    legend: {
                        position: 'right'
                    },
                    title: {
                        display: false
                    }
                }
            }
        });
    });
</script>
{% endif %}
{% endblock %}