{% extends "core/base.jinja" %}

{% block title %}
    {% trans %}Subscription stats{% endtrans %}
{% endblock %}

{% block head %}
{{ super() }}
<script type="text/javascript" src="{{ static('core/js/Chart.bundle.min.js') }}"></script>
{% endblock %}

{% block content %}

<p>
    {{ form.start_date.label }}<br>
    {{ form.start_date }}<br><br>
    {{ form.end_date.label }}<br>
    {{ form.end_date }}<br>
    <p><input type="submit" value="{% trans %}Go{% endtrans %}" /></p>
</p>

<canvas id="statsChart" width="400" height="200"></canvas>

<p>
    {% trans %}Total subscriptions{% endtrans %} : {{ subscriptions_total.count() }}<br><br>
    {% trans %}Subscriptions by type{% endtrans %}<br><br>
    {% for location in locations %}
        {{ location[1] }} : <i class="nb">{{ subscriptions_total.filter(location=location[0]).count() }}</i><br>
    {% endfor %}
<p>

<br>

<table>
    <tr>
        <th>{% trans %}Subscription type{% endtrans %}</th>
        {% for location in locations %}
            <th>{{ location[1] }}</th>
        {% endfor %}
        <th id="graphLabel">{% trans %}Total{% endtrans %}</th>
        {% for type in subscriptions_types %}
        <tr>
            <td><i class="types" >{{ subscriptions_types[type]['name'] }}</i></td>
            {% set subscriptions_total_type = subscriptions_total.filter(subscription_type=type) %}
            {% for location in locations %}
                <td>
                {% set subscriptions_total_type_location = subscriptions_total_type.filter(location=location[0]) %}
                {% trans %}Total{% endtrans %} : {{ subscriptions_total_type_location.count()}}<br>
                {% for p_type in payment_types %}
                {{ p_type[1] }} : <i class="nb">{{ subscriptions_total_type_location.filter(payment_method=p_type[0]).count()}}</i><br>
                {% endfor %}
                </td>
            {% endfor %}
            <td class="total"><i class="nb">{{subscriptions_total_type.count()}}</i>
        </tr>
        {% endfor %}
</table>

{% endblock %}

{% block script %}
{{ super() }}
<script>
function getRandomColor() {
    var letters = '0123456789ABCDEF';
    var color = '#';
    for (var i = 0; i < 6; i++ ) {
        color += letters[Math.floor(Math.random() * 16)];
    }
    return color;
}
function getRandomColorUniq(list) {
    var color = getRandomColor();
    while (list.includes(color)){
        color = getRandomColor();
    }
    return color;
}
function hexToRgb(hex) {
    // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
    var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
    hex = hex.replace(shorthandRegex, function(m, r, g, b) {
        return r + r + g + g + b + b;
    });

    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
    return result ? {
        r: parseInt(result[1], 16),
        g: parseInt(result[2], 16),
        b: parseInt(result[3], 16)
    } : null;
}

var ctx = document.getElementById("statsChart").getContext('2d');
var labels = [];
var total = [];
var colors = [];
var colors_dimmed = [];
Array.from(document.getElementsByClassName("types")).forEach(function(element){
    labels.push(element.childNodes[0].data);
});
Array.from(document.getElementsByClassName("total")).forEach(function(element){
    total.push(element.childNodes[0].childNodes[0].data);
});
labels.forEach(function(element){
    colors.push(getRandomColorUniq(colors));
});
colors.forEach(function(element){
    var rgb_color = hexToRgb(element);
    colors_dimmed.push('rgba(' + rgb_color.r + ', ' + rgb_color.g + ', ' + rgb_color.b + ', 0.2)');
});
console.log(colors);console.log(colors_dimmed);
var myChart = new Chart(ctx, {
    type: 'bar',
    data: {
        labels: labels,
        datasets: [{
            label: document.getElementById("graphLabel").childNodes[0].data,
            data: total,
            backgroundColor: colors_dimmed,
            borderColor: colors,
            borderWidth: 1
        }]
    },
    options: {
        scales: {
            yAxes: [{
                ticks: {
                    beginAtZero:true
                }
            }]
        }
    }
});
</script>
{% endblock %}