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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Cartograf铆a de anotaci贸n</title>
    <!-- Use the full D3 library to avoid dependency issues -->
    <script src="https://d3js.org/d3.v7.min.js"></script>
    <style>
        body {
            margin: 0;
            padding: 20px;
            background-color: #0f1218;
            color: #fff;
            font-family: system-ui, -apple-system, sans-serif;
        }
        h1 {
            margin-bottom: 20px;
        }
        .container {
            display: flex;
            width: 100%;
        }
        .map-container {
            flex: 3;
            height: 600px;
            position: relative;
            background-color: #0f1218;
        }
        .stats-container {
            flex: 1;
            padding: 20px;
            background-color: #161b22;
            border-radius: 8px;
            margin-right: 20px;
        }
        #tooltip {
            position: absolute;
            background-color: rgba(0, 0, 0, 0.8);
            border-radius: 5px;
            padding: 8px;
            color: white;
            font-size: 12px;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.3s;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            will-change: transform; /* Optimize for transformations */
        }
        .country {
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .country:hover {
            opacity: 0.8;
        }
        .stat-title {
            font-size: 1.2rem;
            margin-bottom: 20px;
            font-weight: bold;
        }
        .stat-item {
            margin-bottom: 10px;
            color: #abb4c2;
        }
        .stat-value {
            font-weight: bold;
            color: white;
        }
        .stat-bar-container {
            width: 100%;
            height: 8px;
            background-color: #30363d;
            border-radius: 4px;
            margin-top: 5px;
            overflow: hidden;
        }
        .stat-bar {
            height: 100%;
            background: linear-gradient(to right, #4a1942, #f32b7b);
            border-radius: 4px;
        }
        .top-countries {
            margin-top: 30px;
        }
        .country-stat {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            align-items: center;
            font-size: 14px;
        }
        .country-bar {
            flex: 1;
            height: 6px;
            background-color: #30363d;
            border-radius: 3px;
            overflow: hidden;
            margin: 0 10px;
        }
        .country-bar-fill {
            height: 100%;
            background: linear-gradient(to right, #4a1942, #f32b7b);
            border-radius: 3px;
        }
        .country-value {
            width: 80px;
            text-align: right;
        }
        .legend {
            margin-top: 20px;
        }
        .footer-note {
            margin-top: 30px;
            font-style: italic;
            font-size: 0.9em;
            color: #abb4c2;
        }
        /* Add loading indicator */
        .loading {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            font-size: 18px;
            background: rgba(0,0,0,0.5);
            padding: 10px 20px;
            border-radius: 5px;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="stats-container">
            <div class="stat-title">Resumen General</div>
            
            <div class="stat-item">
                Pa铆ses en la base de datos:<br>
                <span class="stat-value">20</span>
            </div>
            
            <div class="stat-item">
                Total de respuestas:<br>
                <span class="stat-value" id="total-docs">0</span>
            </div>
            
            <div class="stat-item">
                Promedio de completitud:<br>
                <span class="stat-value" id="avg-percent">0%</span>
            </div>
            
            <div class="top-countries">
                <div class="stat-item">Los 5 pa铆ses con mayor recolecci贸n:</div>
                <div id="top-countries-list">
                    <!-- Will be populated by JavaScript -->
                </div>
            </div>
            
            <div class="footer-note">
                Selecciona un pa铆s en el mapa para ver informaci贸n detallada.
            </div>
        </div>
        
        <div class="map-container" id="map-container">
            <div class="loading" id="loading-indicator">Cargando mapa...</div>
        </div>
    </div>
    
    <div id="tooltip"></div>
    
    <script>
        // Country data from Python - will be replaced
        const countryData = COUNTRY_DATA_PLACEHOLDER;
        
        // Pre-calculate statistics once at page load
        const calculateStats = () => {
            // Calculate total documents
            const totalDocs = Object.values(countryData).reduce((sum, country) => {
                console.log(country);
                return sum + (country.total_answers || 0);
            }, 0);
            
            // Calculate average percentage
            const avgPercent = Object.values(countryData).reduce((sum, country) => {
                return sum + country.percent;
            }, 0) / Object.values(countryData).length;
            
            // Create an array of countries with document counts
            const countriesWithDocs = Object.keys(countryData).map(code => {
                return {
                    code: code,
                    name: countryData[code].name,
                    percent: countryData[code].percent,
                    documents: countryData[code].documents || 0,
                    total_answers: countryData[code].total_answers || 0,
                    answered_questions: countryData[code].answered_questions || 0
                };
            });
            
            // Sort by document count descending
            countriesWithDocs.sort((a, b) => b.answered_questions - a.answered_questions);
            
            // Take the top 5
            const topCountries = countriesWithDocs.slice(0, 5);
            
            return {
                totalDocs,
                avgPercent,
                topCountries
            };
        };
        
        // Store the calculated stats
        const stats = calculateStats();
        
        // Function to update the DOM with the statistics
        function updateStatistics() {
            // Update the stats
            document.getElementById('total-docs').textContent = stats.totalDocs.toLocaleString();
            document.getElementById('avg-percent').textContent = stats.avgPercent.toFixed(1) + '%';
            
            // Update the top countries list - use document fragment for performance
            const topCountriesList = document.getElementById('top-countries-list');
            const fragment = document.createDocumentFragment();
            
            stats.topCountries.forEach(country => {
                const countryDiv = document.createElement('div');
                countryDiv.className = 'country-stat';
                
                countryDiv.innerHTML = `
                    <span>${country.name}</span>
                    <div class="country-bar">
                        <div class="country-bar-fill" style="width: ${country.percent}%;"></div>
                    </div>
                    <span class="country-value">${country.answered_questions.toLocaleString()}</span>
                `;
                
                fragment.appendChild(countryDiv);
            });
            
            topCountriesList.innerHTML = '';
            topCountriesList.appendChild(fragment);
        }
        
        // Optimized function to show tooltip
        function createTooltipHandler() {
            const tooltip = d3.select('#tooltip');
            
            return function(event, iso) {
                // Update the current country style
                d3.select(event.currentTarget)
                    .attr('stroke', '#fff')
                    .attr('stroke-width', 1.5);
                
                // Get country data
                const country = countryData[iso];
                
                // Update tooltip content and position
                tooltip.style('opacity', 1)
                    .style('left', (event.pageX + 15) + 'px')
                    .style('top', (event.pageY + 15) + 'px')
                    .html(`<strong>${country.name}</strong><br/>` +
                        `Preguntas totales: ${country.total_questions}<br/>` +
                        `Preguntas respondidas: ${country.answered_questions}<br/>` +
                        `Progreso: ${country.percent}%`);
            };
        }
        
        // Add the legend to the map
        function addLegend(svg, width) {
            const legendWidth = 200;
            const legendHeight = 15;
            const legendX = width - legendWidth - 20;
            const legendY = 20;
            
            // Create legend group
            const legend = svg.append('g')
                .attr('class', 'legend')
                .attr('transform', 'translate(' + legendX + ',' + legendY + ')');
            
            // Legend title
            legend.append('text')
                .attr('x', legendWidth / 2)
                .attr('y', -5)
                .attr('text-anchor', 'middle')
                .style('fill', '#fff')
                .style('font-size', '12px')
                .text('Porcentaje de Datos Recolectado');
            
            // Create gradient for legend
            const defs = svg.append('defs');
            const gradient = defs.append('linearGradient')
                .attr('id', 'legendGradient')
                .attr('x1', '0%')
                .attr('x2', '100%')
                .attr('y1', '0%')
                .attr('y2', '0%');
            
            gradient.append('stop')
                .attr('offset', '0%')
                .attr('stop-color', '#4a1942');
            
            gradient.append('stop')
                .attr('offset', '100%')
                .attr('stop-color', '#f32b7b');
            
            // Add legend rectangle
            legend.append('rect')
                .attr('width', legendWidth)
                .attr('height', legendHeight)
                .style('fill', 'url(#legendGradient)')
                .style('stroke', 'none');
            
            // Add min and max labels
            legend.append('text')
                .attr('x', 0)
                .attr('y', legendHeight + 15)
                .attr('text-anchor', 'start')
                .style('fill', '#fff')
                .style('font-size', '12px')
                .text('0%');
            
            legend.append('text')
                .attr('x', legendWidth / 2)
                .attr('y', legendHeight + 15)
                .attr('text-anchor', 'middle')
                .style('fill', '#fff')
                .style('font-size', '12px')
                .text('50%');
            
            legend.append('text')
                .attr('x', legendWidth)
                .attr('y', legendHeight + 15)
                .attr('text-anchor', 'end')
                .style('fill', '#fff')
                .style('font-size', '12px')
                .text('100%');
        }
        
        // Main function to render the map
        function initMap() {
            // Cache the relevant country codes for filtering
            const relevantCountryCodes = Object.keys(countryData);
            
            // Update dimensions with container size
            const container = document.getElementById('map-container');
            const width = container.clientWidth;
            const height = container.clientHeight;
            
            // Set up the SVG
            const svg = d3.select('#map-container')
                .append('svg')
                .attr('width', width)
                .attr('height', height);
            
            // Add ocean background first (layering matters)
            svg.append('rect')
                .attr('width', width)
                .attr('height', height)
                .attr('fill', '#0f1218');
            
            // Define the color scale
            const colorScale = d3.scaleLinear()
                .domain([0, 100])
                .range(['#4a1942', '#f32b7b']);
            
            // Set up the projection
            const projection = d3.geoMercator()
                .center([-60, -15]) // Centered on South America
                .scale(width / 4)
                .translate([width / 2, height / 2]);
            
            const path = d3.geoPath().projection(projection);
            
            // Add the legend before loading data
            addLegend(svg, width);
            
            // Create the tooltip handler
            const showTooltip = createTooltipHandler();
            const tooltip = d3.select('#tooltip');
            
            // Store reference for resize handler
            const mapState = { svg, projection, path };
            
            // Load GeoJSON data with a smaller, faster source if possible
            d3.json('https://raw.githubusercontent.com/holtzy/D3-graph-gallery/master/DATA/world.geojson')
                .then(function(data) {
                    // Hide loading indicator
                    document.getElementById('loading-indicator').style.display = 'none';
                    
                    // Filter only relevant countries for faster rendering
                    const relevantFeatures = data.features.filter(d => 
                        relevantCountryCodes.includes(d.id)
                    );
                    
                    // Add country paths
                    svg.selectAll('.country')
                        .data(relevantFeatures)
                        .enter()
                        .append('path')
                        .attr('class', 'country')
                        .attr('d', path)
                        .attr('fill', d => colorScale(countryData[d.id].percent))
                        .attr('stroke', '#0f1218')
                        .attr('stroke-width', 1)
                        .on('mouseover', function(event, d) {
                            showTooltip(event, d.id);
                        })
                        .on('mousemove', function(event) {
                            tooltip
                                .style('left', (event.pageX + 15) + 'px')
                                .style('top', (event.pageY + 15) + 'px');
                        })
                        .on('mouseout', function() {
                            d3.select(this)
                                .attr('stroke', '#0f1218')
                                .attr('stroke-width', 1);
                            
                            tooltip.style('opacity', 0);
                        });
                })
                .catch(function(error) {
                    console.error('Error loading map data:', error);
                    document.getElementById('loading-indicator').style.display = 'none';
                    container.innerHTML = '<div style="color: white; text-align: center; padding: 20px;">Error loading map: ' + error.message + '</div>';
                });
            
            return mapState;
        }
        
        // Debounced resize handler
        function setupResizeHandler(mapState) {
            let resizeTimer;
            
            window.addEventListener('resize', function() {
                clearTimeout(resizeTimer);
                
                resizeTimer = setTimeout(function() {
                    const container = document.getElementById('map-container');
                    const width = container.clientWidth;
                    const height = container.clientHeight;
                    
                    // Update SVG dimensions
                    mapState.svg
                        .attr('width', width)
                        .attr('height', height);
                    
                    // Update projection
                    mapState.projection
                        .scale(width / 4)
                        .translate([width / 2, height / 2]);
                    
                    // Update paths
                    d3.selectAll('.country').attr('d', mapState.path);
                    
                    // Update legend position
                    const legendX = width - 220;
                    d3.select('.legend')
                        .attr('transform', 'translate(' + legendX + ',20)');
                }, 250); // Debounce 250ms
            });
        }
        
        // Initialize on page load
        document.addEventListener('DOMContentLoaded', function() {
            // Update the statistics first
            updateStatistics();
            
            // Initialize the map
            const mapState = initMap();
            
            // Setup resize handler
            setupResizeHandler(mapState);
        });
    </script>
</body>
</html>