{% set stroke_width = 4 %}
{% set margin = 2 %}

{% macro path(data_points, vb_height) %}
    {% for value, position in data_points %}
        {% set x = (position * vb_width)+margin %}
        {% set y = (vb_height - value)+margin %}
        {% if loop.first %}M{{ x | int }} {{ y | int }}{% else %} L{{ x | int }} {{ y | int }}{% endif %}
    {% endfor %}
{% endmacro %}

{% macro path_best_fit(best_fit_points, vb_height) %}
    {% for value, position in best_fit_points %}
        {% set x = (position * vb_width)+margin %}
        {% set y = (vb_height - value)+margin %}
        {% if loop.first %}M{{ x | int }} {{ y | int }}{% else %} L{{ x | int }} {{ y | int }}{% endif %}
    {% endfor %}
{% endmacro %}

{% macro circles(data_points, color) %}
    {% for value, position in data_points %}
        {% set x = (position * vb_width)+margin %}
        {% set y = (vb_height - value)+margin %}
        <circle cx="{{ x | int }}" cy="{{ y | int }}" r="1"></circle>
    {% endfor %}
{% endmacro %}

{% macro plot_line(points, color) %}
    <path d="{{ path(points, vb_height) }}" stroke="{{ color }}" fill="none" />
    {{ circles(points, color) }}
{% endmacro %}

<!-- HubSpot doesn't escape whitespace. -->
{% macro random_int() %}{% for n in [0,1,2,3,4,5] %}{{ [0,1,2,3,4,5,6,7,8,9]|random }}{% endfor %}{% endmacro %}

<!-- You have to manually call the macros in a list. -->
{% set parts = [random_int()] %}
{% set unique_id = parts|join('-') %}

<div class="relative" id="svg-plot-{{ unique_id }}" _="
    on mouseover from .pnt-{{ unique_id }}
        put event.target @data-msg into #popover-{{ unique_id }}
        then remove .hidden from #popover-{{ unique_id }}
    on mouseout from .pnt-{{ unique_id }}
        add .hidden to #popover-{{ unique_id }}">
    <div id="popover-{{ unique_id }}" class="absolute t-0 r-0 hidden bg-white border border-gray-300 p-2 z-10">
    <!-- Popover content will be dynamically inserted here -->
    </div>
    <h4 class="text-l font-semibold text-blue-400 text-center">{{ title }}</h4>
    <h2 class="text-xs font-semibold text-blue-200 mb-1 text-center" style='font-family: "Computer Modern Sans", sans-serif;'>
        {% if best_fit_formula %}
        {{ best_fit_formula.kg_per_week }} kg/week, {{ best_fit_formula.kg_per_month }} kg/month
        {% endif %}
    </h2>
    <div class="inline-flex rounded-md shadow-sm w-full items-center justify-center mb-1">
        {% for epoch in epochs %}
            <div
            {% if selected_epoch == epoch %} 
                class="px-4 py-2 text-sm font-medium text-blue-700 bg-white border border-gray-200 rounded-s-lg hover:bg-gray-100 focus:z-10 focus:ring-2 focus:ring-blue-700 focus:text-blue-700 dark:bg-gray-800 dark:border-gray-700 dark:text-white dark:hover:text-white dark:hover:bg-gray-700 dark:focus:ring-blue-500 dark:focus:text-white"
            {% else %}
                class="px-4 py-2 text-sm font-medium text-gray-900 bg-white border border-gray-200 rounded-e-lg hover:bg-gray-100 hover:text-blue-700 focus:z-10 focus:ring-2 focus:ring-blue-700 focus:text-blue-700 dark:bg-gray-800 dark:border-gray-700 dark:text-white dark:hover:text-white dark:hover:bg-gray-700 dark:focus:ring-blue-500 dark:focus:text-white cursor-pointer"
                hx-get='{{ url_for("get_exercise_progress_for_user", person_id=person_id,  exercise_id=exercise_id, epoch=epoch) }}' hx-target="#svg-plot-{{ unique_id }}" hx-swap="outerHTML" hx-trigger="click"
            {% endif %}>
                {% if epoch == 'Custom' %}
                    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="w-5 h-5 {% if selected_epoch == 'Custom' %}text-blue-700{% else %}text-gray-500{% endif %} group-hover:text-gray-900">
                        <path d="M10 3.75a2 2 0 1 0-4 0 2 2 0 0 0 4 0ZM17.25 4.5a.75.75 0 0 0 0-1.5h-5.5a.75.75 0 0 0 0 1.5h5.5ZM5 3.75a.75.75 0 0 1-.75.75h-1.5a.75.75 0 0 1 0-1.5h1.5a.75.75 0 0 1 .75.75ZM4.25 17a.75.75 0 0 0 0-1.5h-1.5a.75.75 0 0 0 0 1.5h1.5ZM17.25 17a.75.75 0 0 0 0-1.5h-5.5a.75.75 0 0 0 0 1.5h5.5ZM9 10a.75.75 0 0 1-.75.75h-5.5a.75.75 0 0 1 0-1.5h5.5A.75.75 0 0 1 9 10ZM17.25 10.75a.75.75 0 0 0 0-1.5h-1.5a.75.75 0 0 0 0 1.5h1.5ZM14 10a2 2 0 1 0-4 0 2 2 0 0 0 4 0ZM10 16.25a2 2 0 1 0-4 0 2 2 0 0 0 4 0Z" />
                    </svg>
                {% else %}
                    {{ epoch}}
                {% endif %}
            </div>
        {% endfor %}
    </div>
    {% if selected_epoch == 'Custom' %}
    <div class="flex flex-col md:flex-row justify-center pb-4">
        <!-- Min Date -->
        <div class="w-full md:w-1/3 px-2 md:px-3 mb-6 md:mb-0">
            <label 
            class="block uppercase tracking-wide text-gray-700 text-xs font-bold mb-2" 
            for="grid-city"
            >
            Min date
            </label>
            <div class="relative pr-2">
            <div class="flex absolute inset-y-0 left-0 items-center pl-3 pointer-events-none">
                <svg 
                aria-hidden="true" 
                class="w-5 h-5 text-gray-500 dark:text-gray-400" 
                fill="currentColor"
                viewBox="0 0 20 20" 
                xmlns="http://www.w3.org/2000/svg"
                >
                <path 
                    fill-rule="evenodd"
                    d="M6 2a1 1 0 00-1 1v1H4a2 2 0 00-2 2v10a2 
                    2 0 002 2h12a2 2 0 002-2V6a2 2 0 
                    00-2-2h-1V3a1 1 0 10-2 0v1H7V3a1 
                    1 0 00-1-1zm0 5a1 1 0 000 
                    2h8a1 1 0 100-2H6z" 
                    clip-rule="evenodd"
                ></path>
                </svg>
            </div>
            <input 
                type="date"
                class="bg-gray-50 border border-gray-300 text-gray-900 
                    text-sm rounded-lg focus:ring-blue-500 
                    focus:border-blue-500 block w-full pl-10 p-2.5" 
                name="min_date" 
                value="{{ min_date }}"
                hx-get="{{ url_for('get_exercise_progress_for_user', person_id=person_id, exercise_id=exercise_id) }}"
                hx-include="#svg-plot-{{ unique_id }} [name='max_date'], #svg-plot-{{ unique_id }} [name='degree']"
                hx-vals='{"epoch": "Custom"}'
                hx-target="#svg-plot-{{ unique_id }}"
                hx-swap="outerHTML"
                hx-trigger="change"
            >
            </div>
        </div>

        <!-- Max Date -->
        <div class="w-full md:w-1/3 px-2 md:px-3 mb-6 md:mb-0">
            <label 
            class="block uppercase tracking-wide text-gray-700 text-xs font-bold mb-2" 
            for="grid-zip"
            >
            Max date
            </label>
            <div class="relative pr-2">
                <div class="flex absolute inset-y-0 left-0 items-center pl-3 pointer-events-none">
                    <svg 
                    aria-hidden="true" 
                    class="w-5 h-5 text-gray-500 dark:text-gray-400" 
                    fill="currentColor"
                    viewBox="0 0 20 20" 
                    xmlns="http://www.w3.org/2000/svg"
                    >
                    <path 
                        fill-rule="evenodd"
                        d="M6 2a1 1 0 00-1 1v1H4a2 2 0 
                        00-2 2v10a2 2 0 002 2h12a2 
                        2 0 002-2V6a2 2 0 00-2-2h-1V3a1 
                        1 0 10-2 0v1H7V3a1 1 0 
                        00-1-1zm0 5a1 1 0 000 
                        2h8a1 1 0 100-2H6z" 
                        clip-rule="evenodd"
                    ></path>
                    </svg>
                </div>
                <input 
                    type="date"
                    class="bg-gray-50 border border-gray-300 
                        text-gray-900 text-sm rounded-lg 
                        focus:ring-blue-500 focus:border-blue-500 
                        block w-full pl-10 p-2.5"
                    name="max_date" 
                    value="{{ max_date }}"
                    hx-get="{{ url_for('get_exercise_progress_for_user', person_id=person_id, exercise_id=exercise_id) }}"
                    hx-include="#svg-plot-{{ unique_id }} [name='min_date'], #svg-plot-{{ unique_id }} [name='degree']"
                    hx-vals='{"epoch": "Custom"}'
                    hx-target="#svg-plot-{{ unique_id }}"
                    hx-swap="outerHTML"
                    hx-trigger="change"
                >
            </div>
        </div>

        <!-- Degree -->
        <div class="w-full md:w-1/3 px-2 md:px-3 mb-6 md:mb-0">
            <label 
            class="block uppercase tracking-wide text-gray-700 text-xs font-bold mb-2" 
            for="grid-zip"
            >
            Degree
            </label>
            <div class="relative pr-2">
            <div class="flex absolute inset-y-0 left-0 items-center pl-3 pointer-events-none">

                <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-5 h-5 text-gray-500 dark:text-gray-400">
                    <path stroke-linecap="round" stroke-linejoin="round" d="M3 13.125C3 12.504 3.504 12 4.125 12h2.25c.621 0 1.125.504 1.125 1.125v6.75C7.5 20.496 6.996 21 6.375 21h-2.25A1.125 1.125 0 0 1 3 19.875v-6.75ZM9.75 8.625c0-.621.504-1.125 1.125-1.125h2.25c.621 0 1.125.504 1.125 1.125v11.25c0 .621-.504 1.125-1.125 1.125h-2.25a1.125 1.125 0 0 1-1.125-1.125V8.625ZM16.5 4.125c0-.621.504-1.125 1.125-1.125h2.25C20.496 3 21 3.504 21 4.125v15.75c0 .621-.504 1.125-1.125 1.125h-2.25a1.125 1.125 0 0 1-1.125-1.125V4.125Z" />
                </svg>

            </div>
            <input type="number"
                class="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full pl-10 p-2.5  w-full"
                name="degree" 
                value="{{ degree }}"
                min="1"
                step="1"
                hx-get="{{ url_for('get_exercise_progress_for_user', person_id=person_id, exercise_id=exercise_id) }}"
                hx-include="#svg-plot-{{ unique_id }} [name='min_date'], #svg-plot-{{ unique_id }} [name='max_date']"
                hx-vals='{"epoch": "Custom"}'
                hx-target="#svg-plot-{{ unique_id }}" hx-swap="outerHTML" hx-trigger="change">
            </div>
        </div>
        </div>

    {% endif %}
    <svg viewBox="0 0 {{ (vb_width + 2*margin) | int }} {{ (vb_height + 2*margin) | int }}" preserveAspectRatio="none">
        {% for plot in plots %}
        <g class="{{ plot.label }}" style="fill: {{ plot.color }}; stroke: {{ plot.color }};">
        {{ plot_line(plot.points, plot.color) }}
        </g>
        {% endfor %}

        <g style="fill-opacity: 0%">
        {% for pos, message in plot_labels %}
            {% set x = (pos * vb_width) - (stroke_width/2) + margin %}
            {% set y = 0 %}
            {% set width = stroke_width %}
            {% set height = vb_height + margin %}
        <rect
            x="{{ x | int }}" 
            y="{{ y | int }}" 
            width="{{ width | int }}" 
            height="{{ height | int }}"
            class="pnt-{{ unique_id }}"
            data-msg="{{ message }}"></rect>
        {% endfor %}
        </g>

        <path d="{{ path_best_fit(best_fit_points, vb_height) }}" stroke="gray" stroke-dasharray="2,1" fill="none" stroke-opacity="60%"/>
    </svg>
    <div class="flex justify-center pt-2">
        {% for plot in plots %}
            <div class="flex items-center px-2 select-none cursor-pointer" 
            _="on load put document.querySelector('#svg-plot-{{ unique_id }} g.{{plot.label}}') into my.plot_line
            on click toggle .hidden on my.plot_line then toggle .line-through on me">
                <div class="w-3 h-3 mr-1" style="background-color: {{ plot.color }};"></div>
                <div class="text-xs">{{ plot.label }}</div>
            </div>
        {% endfor %}
    </div>

</div>