{# ------------------------------------------------------------------------------ #}
{# DOUNGHNUT CHART - @see https://www.chartjs.org/docs/2.9.4/charts/doughnut.html #}
{# ------------------------------------------------------------------------------ #}

{#
    options = {'label': 'label', 'title': string|null, 'footer': string|null, 'legend': {'display': false}}
#}
{% macro doughnut_javascript(options) %}
    <script type="text/javascript">
        function doughnutChartOptions() {
            return {
                maintainAspectRatio: false,
                responsive: true,
                cutoutPercentage: 40,
                animation: {
                    animateRotate: true
                },
                plugins: {
                    {% if options.legend is defined and options.legend is iterable %}
                    legend: {{ options.legend|json_encode|raw }},
                    {% endif %}
                    tooltip: {
                        callbacks: {
                            label: function(tooltipItem) {
                                const tooltipData = tooltipItem.dataset.realData[tooltipItem.dataIndex];
                                return ' ' + tooltipData['{{ options.label|default('label') }}'];
                            },
                            afterTitle: function(tooltipItems) {
                                return ' ';
                            },
                            {% if options.title is defined and options.title is not empty %}
                            title: function(tooltipItems) {
                                const tooltipItem = tooltipItems[0];
                                const tooltipData = tooltipItem.dataset.realData[tooltipItem.dataIndex];
                                return ' ' + tooltipData['{{ options.title }}'];
                            },
                            {% endif %}
                            {% if options.footer is defined and options.footer is not empty %}
                            beforeFooter: function(tooltipItems) {
                                return ' ';
                            },
                            footer: function(tooltipItems) {
                                const tooltipItem = tooltipItems[0];
                                const tooltipData = tooltipItem.dataset.realData[tooltipItem.dataIndex];
                                return tooltipData['{{ options.footer }}'];
                            },
                            {% endif %}
                        }
                    }
                },
            };
        }
    </script>
{% endmacro %}

{#
    id          = 'name'
    labels      = ['Foo', 'Bar']
    dataset     = [{name: '', color: '', duration: 0, rate: 0}]
    options     = {'height: '100px', 'renderEvent': 'kimai.initialized'}
#}
{% macro doughnut_chart(id, labels, dataset, options) %}
    {% set height = options.height|default(config('theme.chart.height') ~ 'px') %}
    {% set bgColor = config('theme.chart.background_color') %}
    <div class="{{ config('chart-class') }}" style="position: relative;">
        <canvas id="{{ id }}" style="height: {{ height }}; width: 100%;"></canvas>
    </div>
    <script type="text/javascript">
        document.addEventListener('{{ options.renderEvent|default('kimai.initialized') }}', function() {
            new Chart(
                document.getElementById("{{ id }}").getContext("2d"), {
                    type: 'doughnut',
                    data: {
                        {% if labels is not empty %}
                        labels: {{ labels|json_encode|raw }},
                        {% endif %}
                        datasets: [
                            {
                                backgroundColor: [
                                    {% for entry in dataset %}
                                    '{{ entry.color|default(bgColor) }}',
                                    {% endfor %}
                                ],
                                data: [
                                    {% for entry in dataset %}
                                    {{ entry.value }}
                                    {% if not loop.last %},{% endif %}
                                    {% endfor %}
                                ],
                                realData: {{ dataset|json_encode|raw }},
                            }
                        ]
                    },
                    options: Object.assign(doughnutChartOptions(),{{ options|json_encode|raw }})
                }
            );
        });
    </script>
{% endmacro %}

{# ------------------------------------------------------------------- #}
{# BAR CHART - @see https://www.chartjs.org/docs/2.9.4/charts/bar.html #}
{# ------------------------------------------------------------------- #}

{#
    options = {'label': 'label', 'title': string|null, 'footer': string|null, 'legend': {'display': false}, 'onclick': {'url': string, 'replacer': {'name': 'value'}}}
#}
{% macro bar_javascript(options) %}
    <script type="text/javascript">
        function barChartOptions() {
            return {
                maintainAspectRatio: true,
                responsive: true,
                barPercentage: 0.5,
                categoryPercentage: 1.0,
                scales: {
                    x: {
                        gridLines: {
                            display: false
                        }
                    },
                    y: {
                        ticks: {
                            beginAtZero: true,
                        },
                        gridLines: {
                            display: true,
                            color: '{{ config('theme.chart.grid_color') }}',
                            lineWidth: 1
                        }
                    }
                },
                plugins: {
                    {% if options.legend is defined and options.legend is iterable %}
                    legend: {{ options.legend|json_encode|raw }},
                    {% endif %}
                    tooltip: {
                        titleSpacing: 0,
                        titleMarginBottom: 0,
                        footerMarginTop: 0,
                        callbacks: {
                            label: function(tooltipItem) {
                                const tooltipData = tooltipItem.dataset.realData[tooltipItem.dataIndex];
                                return ' ' + tooltipData['{{ options.label|default('label') }}'];
                            },
                            afterTitle: function(tooltipItems) {
                                return ' ';
                            },
                            {% if options.title is defined and options.title is not empty %}
                            title: function(tooltipItems) {
                                const tooltipItem = tooltipItems[0];
                                const tooltipData = tooltipItem.dataset.realData[tooltipItem.dataIndex];
                                return ' ' + tooltipData['{{ options.title }}'];
                            },
                            {% endif %}
                            {% if options.footer is defined and options.footer is not empty %}
                            beforeFooter: function(tooltipItems) {
                                return ' ';
                            },
                            footer: function(tooltipItems) {
                                const tooltipItem = tooltipItems[0];
                                const tooltipData = tooltipItem.dataset.realData[tooltipItem.dataIndex];
                                return tooltipData['{{ options.footer }}'];
                            },
                            {% endif %}
                        }
                    },
                },
                {% if options.onclick is defined and options.onclick.url is defined %}
                onClick: function(event, elements, chart) {
                    if (elements.length !== 1) {
                        return;
                    }
                    const element = elements[0];
                    const data = this.data.datasets[element.datasetIndex].realData[element.index];
                    let url = '{{ options.onclick.url|raw }}';
                    {% if options.onclick.replacer is defined %}
                        {% for replacer, field in options.onclick.replacer %}
                        url = url.replace(/{{ replacer }}/, data['{{ field }}']);
                        {% endfor %}
                        document.location = url;
                    {% endif %}
                },
                {% endif %}
            };
        }
    </script>
{% endmacro %}

{#
    id          = 'name'
    labels      = ['Foo', 'Bar']
    datasets    = [[{'value': 1234, 'tooltip': '1234€', 'color': ''}]]
    options     = {'height: '100px', 'renderEvent': 'kimai.initialized'}
#}
{% macro bar_chart(id, labels, datasets, options) %}
    {% set height = options.height|default(config('theme.chart.height') ~ 'px') %}
    {% set bgColor = config('theme.chart.background_color') %}
    <div class="{{ config('chart-class') }}" style="position: relative;">
        <canvas id="{{ id }}" style="height: {{ height }}; width: 100%;"></canvas>
    </div>
    <script type="text/javascript">
        document.addEventListener('{{ options.renderEvent|default('kimai.initialized') }}', function() {
            new Chart(
                document.getElementById('{{ id }}').getContext("2d"), {
                    type: '{{ options.type|default('bar') }}',
                    data: {
                        {% if labels is not empty %}
                        labels: {{ labels|json_encode|raw }},
                        {% endif %}
                        datasets: [
                            {% for dataset in datasets %}
                            {
                                backgroundColor: [
                                    {% for entry in dataset %}
                                    '{{ entry.color|default(bgColor) }}',
                                    {% endfor %}
                                ],
                                data: [
                                    {% for entry in dataset %}
                                    {{ entry.value }},
                                    {% endfor %}
                                ],
                                realData: {{ dataset|json_encode|raw }},
                            },
                            {% endfor %}
                        ]
                    },
                    options: Object.assign(barChartOptions(),{{ options|json_encode|raw }})
                }
            );
        });
    </script>
{% endmacro %}