{% extends 'base.html.twig' %}

{% block title %}Suivi des objets OSM - {{ stats.name }}{% endblock %}

{% block body %}
<div class="container mt-4">
    <h1>Suivi des objets OSM pour {{ stats.name }} ({{ stats.zone }})</h1>
    <div class="mb-3">
        <a href="{{ path('admin_followup', {'insee_code': stats.zone}) }}" class="btn btn-warning">
            <i class="bi bi-arrow-repeat"></i> Mettre à jour les suivis (followup)
        </a>
    </div>
    <p>Historique des objets suivis (nombre et complétion).</p>
    {% set type_labels = {
        'fire_hydrant': 'Bornes incendie',
        'charging_station': 'Bornes de recharge',
        'toilets': 'Toilettes publiques',
        'bus_stop': 'Arrêts de bus',
        'defibrillator': 'Défibrillateurs',
        'camera': 'Caméras de surveillance',
        'recycling': 'Points de recyclage',
        'substation': 'Sous-stations électriques'
    } %}
    {% for type in type_labels|keys %}
        <h2 id="title-{{ type }}">{{ type_labels[type] }}</h2>
        <canvas id="{{ type }}Chart" width="600" height="300"></canvas>
    {% endfor %}
    <h2 class="mt-4">Données brutes</h2>
    <table class="table table-bordered table-striped">
        <thead>
            <tr>
                <th>Date</th>
                <th>Type</th>
                <th>Label</th>
                <th>Valeur</th>
            </tr>
        </thead>
        <tbody>
            {% for type, points in series %}
                {% for point in points %}
                    <tr>
                        <td>{{ point.date }}</td>
                        <td>{{ type }}</td>
                        <td>{{ point.name }}</td>
                        <td>{{ point.value }}</td>
                    </tr>
                {% endfor %}
            {% endfor %}
        </tbody>
    </table>
    <a href="{{ path('app_admin_stats', {'insee_code': stats.zone}) }}" class="btn btn-secondary mt-3"><i class="bi bi-arrow-left"></i> Retour à la fiche ville</a>
</div>
{% endblock %}

{% block javascripts %}
{{ parent() }}
<script src="/js/chartjs/chart.umd.js"></script>
<script src="/js/chartjs/chartjs-adapter-date-fns.js"></script>
<script>
    const series = {{ series|json_encode|raw }};
    const typeLabels = {
        fire_hydrant: 'Bornes incendie',
        charging_station: 'Bornes de recharge',
        toilets: 'Toilettes publiques',
        bus_stop: 'Arrêts de bus',
        defibrillator: 'Défibrillateurs',
        camera: 'Caméras de surveillance',
        recycling: 'Points de recyclage',
        substation: 'Sous-stations électriques'
    };
    function formatDelta(val) {
        if (val === null) return '-';
        if (val === 0) return '0';
        return (val > 0 ? '+' : '') + val;
    }
    function getDelta(data, days) {
        if (!data.length) return null;
        const now = new Date(data[data.length - 1].x || data[data.length - 1].date);
        const refDate = new Date(now.getTime() - days * 24 * 60 * 60 * 1000);
        let ref = null;
        for (let i = data.length - 1; i >= 0; i--) {
            const d = new Date(data[i].x || data[i].date);
            if (d <= refDate) {
                ref = data[i].y !== undefined ? data[i].y : data[i].value;
                break;
            }
        }
        const last = data[data.length - 1].y !== undefined ? data[data.length - 1].y : data[data.length - 1].value;
        return ref !== null ? last - ref : null;
    }
    document.addEventListener('DOMContentLoaded', function() {
        Object.keys(typeLabels).forEach(function(baseType) {
            const countData = (series[baseType + '_count'] || []).map(pt => ({ x: pt.date, y: pt.value }));
            const completionData = (series[baseType + '_completion'] || []).map(pt => ({ x: pt.date, y: pt.value }));
            const canvasId = baseType + 'Chart';
            const canvas = document.getElementById(canvasId);
            if (!canvas) return;
            // Derniers points
            const lastCount = countData.length ? countData[countData.length - 1].y : '-';
            const lastCompletion = completionData.length ? completionData[completionData.length - 1].y : '-';
            // Deltas
            const delta7dCount = formatDelta(getDelta(countData, 7));
            const delta30dCount = formatDelta(getDelta(countData, 30));
            const delta365dCount = formatDelta(getDelta(countData, 365));
            const delta7dComp = formatDelta(getDelta(completionData, 7));
            const delta30dComp = formatDelta(getDelta(completionData, 30));
            const delta365dComp = formatDelta(getDelta(completionData, 365));
            // Mettre à jour le titre
            const titleElem = document.getElementById('title-' + baseType);
            if (titleElem) {
                titleElem.innerHTML = `${typeLabels[baseType]} (N = ${lastCount}, complétion = ${lastCompletion}%)`;
            }
            // Créer le graphique
            new Chart(canvas, {
                type: 'line',
                data: {
                    datasets: [
                        {
                            label: 'Nombre',
                            data: countData,
                            borderColor: 'blue',
                            backgroundColor: 'rgba(0,0,255,0.1)',
                            fill: false,
                            yAxisID: 'y',
                        },
                        {
                            label: 'Complétion (%)',
                            data: completionData,
                            borderColor: 'green',
                            backgroundColor: 'rgba(0,255,0,0.1)',
                            fill: false,
                            yAxisID: 'y1',
                        }
                    ]
                },
                options: {
                    parsing: true,
                    responsive: true,
                    plugins: {
                        title: {
                            display: true,
                            text: `${typeLabels[baseType]} (N = ${lastCount}, complétion = ${lastCompletion}%)`
                        }
                    },
                    scales: {
                        x: { type: 'time', time: { unit: 'day' }, title: { display: true, text: 'Date' } },
                        y: { beginAtZero: true, title: { display: true, text: 'Nombre' } },
                        y1: { beginAtZero: true, position: 'right', title: { display: true, text: 'Complétion (%)' }, grid: { drawOnChartArea: false } }
                    }
                }
            });
            // Afficher les changements sous le graphique
            const infoDiv = document.createElement('div');
            infoDiv.className = 'mb-4';
            infoDiv.innerHTML = `<strong>Évolution sur :</strong> <ul>
                <li>7 jours : N ${delta7dCount}, complétion ${delta7dComp} %</li>
                <li>30 jours : N ${delta30dCount}, complétion ${delta30dComp} %</li>
                <li>1 an : N ${delta365dCount}, complétion ${delta365dComp} %</li>
            </ul>`;
            canvas.parentNode.insertBefore(infoDiv, canvas.nextSibling);
        });
    });
</script>
{% endblock %}