if (wps_js.isset(wps_js.global, 'request_params', 'page') && wps_js.global.request_params.page === "author-analytics") {

    const wpStatisticsAuthorAnalytics = {
        init: function () {
            if (typeof Wp_Statistics_Author_Analytics_Object == "undefined") {
                return;
            }

            this.generateCharts()
        },

        generateCharts: function () {
            this.generatePublishingOverviewChart();
            this.generateViewsPerPostsChart();
            this.generateOperatingSystemChart();
            this.generateBrowsersChartData();
        },

        generateBrowsersChartData: function() {
            if (!wps_js.isset(Wp_Statistics_Author_Analytics_Object, 'browser_chart_data')) {
                return;
            }

            const chartData = Wp_Statistics_Author_Analytics_Object.browser_chart_data;

            if (!chartData.data ||chartData.data.length == 0) {
                jQuery('#wps-browsers').parent().html(wps_js.no_results());
            } else {
                wps_js.horizontal_bar( 'wps-browsers', chartData.labels, chartData.data, chartData.icons );
            }
        },
        generateOperatingSystemChart: function() {
            if (!wps_js.isset(Wp_Statistics_Author_Analytics_Object, 'os_chart_data')) {
                return;
            }

            const chartData = Wp_Statistics_Author_Analytics_Object.os_chart_data;
            if (!chartData.data || chartData.labels.length == 0 || chartData.data.length ==0) {
                jQuery('#wps-operating-systems').parent().html(wps_js.no_results());
            } else {
                wps_js.horizontal_bar( 'wps-operating-systems', chartData.labels, chartData.data, chartData.icons );
            }
        },

        generateViewsPerPostsChart: function () {
            if (!wps_js.isset(Wp_Statistics_Author_Analytics_Object, 'views_per_posts_chart_data')) {
                return;
            }

            const publishedChartData = Wp_Statistics_Author_Analytics_Object.views_per_posts_chart_data;

            const chartImageUrls = publishedChartData.datasets.map(point => point.img);

            const loadImage = (url) => {
                return new Promise((resolve, reject) => {
                    const img = new Image();
                    img.src = url;
                    img.crossOrigin = "Anonymous";
                    img.onload = () => resolve(img);
                    img.onerror = () => resolve(null);
                });
            };

            Promise.all(chartImageUrls.map(url => loadImage(url)))
                .then(chartImages => {

                    const validImages = chartImages.filter(img => img instanceof HTMLImageElement);

                    if (!validImages.length) {
                        jQuery('#publishedChart').parent().html(wps_js.no_results());
                        return;
                    }

                    const afterRenderPlugin = {
                        id: 'afterRenderPlugin',
                        afterDraw: function (chart, args, options) {
                            const canvas = document.getElementById('publishedChart');
                            const ctx = canvas.getContext('2d');
                            chart.data.datasets.forEach((dataset, datasetIndex) => {
                                dataset.data.forEach((point, index) => {
                                    const img = chartImages[index % chartImages.length];
                                    const x = chart.scales.x.getPixelForValue(point.x);
                                    const y = chart.scales.y.getPixelForValue(point.y);
                                    const radius = 15;
                                    const borderWidth = 2;
                                    const centerX = x - radius;
                                    const centerY = y - radius;

                                    // Draw border circle
                                    ctx.beginPath();
                                    ctx.arc(x, y, radius + borderWidth, 0, 2 * Math.PI);
                                    ctx.lineWidth = borderWidth * 2;
                                    ctx.strokeStyle = 'rgba(81,0,253,20%)';
                                    ctx.stroke();
                                    ctx.closePath();

                                    // Clip to the circle
                                    ctx.save();
                                    ctx.beginPath();
                                    ctx.arc(x, y, radius, 0, 2 * Math.PI);
                                    ctx.clip();

                                    // Draw image
                                    ctx.drawImage(img, centerX, centerY, radius * 2, radius * 2);
                                    ctx.restore();
                                });
                            });
                        }
                    };

                    if (Chart.version.replace(/\./g, "") > 400) {
                        Chart.register(afterRenderPlugin);
                    } else {
                        Chart.plugins.register(afterRenderPlugin);
                    }

                    Chart.Tooltip.positioners.top = function (element, eventPosition) {
                        const tooltip = this;
                        const { chartArea: { bottom }, scales: { x, y } } = this.chart;

                        return {
                            x: x.getPixelForValue(x.getValueForPixel(eventPosition.x)),
                            y: y.getPixelForValue(y.getValueForPixel(eventPosition.y)) - 20,
                            xAlign: 'center',
                            yAlign: 'bottom'
                        };
                    };

                    const publishedData = {
                        datasets: [{
                            label: publishedChartData.labels.chartLabel,
                            data: publishedChartData.datasets,
                            backgroundColor: '#E8EAEE'
                        }],
                    };

                    const publishedConfig = {
                        type: 'scatter',
                        data: publishedData,
                        options: {
                            responsive: true,
                            pointRadius: 16,
                            pointHoverRadius: 16,
                            tooltipPosition: {
                                x: 10,
                                y: 30
                            },
                            layout: {
                                padding: {
                                    Right: 20,
                                    Left: 20,
                                }
                            },
                            scales: {
                                y: {
                                    type: 'linear',
                                    ticks: {
                                        stepSize: 4,
                                        color: '#56585A',
                                        fontSize: 13,
                                        padding: 15,
                                    },
                                    title: {
                                        display: true,
                                        text: publishedChartData.labels.yAxisLabel,
                                        fontSize: 14,
                                        color: '#000'
                                    },
                                    grid: {
                                        drawBorder: false,
                                        tickLength: 0,
                                    }
                                },
                                x: {
                                    type: 'linear',
                                    position: 'bottom',
                                    title: {
                                        display: true,
                                        text: publishedChartData.labels.xAxisLabel,
                                        fontSize: 14,
                                        color: '#000'
                                    },
                                    ticks: {
                                        stepSize: 50000,
                                        autoSkip: false,
                                        maxRotation: 90,
                                        minRotation: 90,
                                        color: '#56585A',
                                        padding: 15,
                                        fontSize: 13
                                    },
                                    grid: {
                                        drawBorder: false,
                                        tickLength: 0,
                                    }
                                }
                            },
                            plugins: {
                                legend: {
                                    display: false
                                },
                                tooltip: {
                                    position: 'top',
                                    callbacks: {
                                        label: function(context) {
                                            const point = context.raw;
                                            return [
                                                `${wps_js._('visits')}/${wps_js._('published')}: (${point.x}, ${point.y})`,
                                                `${wps_js._('author')}: ${point.author}`
                                            ];
                                        }
                                    }
                                }
                            },
                        },
                        plugins: [afterRenderPlugin]
                    };

                    new Chart(document.getElementById('publishedChart'), publishedConfig);
                })
                .catch(error => {
                    console.error('Error loading images:', error);
                    jQuery('#publishedChart').parent().html(wps_js.no_results());
                });
        },

        generatePublishingOverviewChart: function () {
            if (!wps_js.isset(Wp_Statistics_Author_Analytics_Object, 'publish_chart_data')) {
                return;
            }

            function interpolateColor(minColor, maxColor, minValue, maxValue, value) {
                const colors = ['#B28DFF', '#5100FD', '#4915B9', '#250766']; // Colors array
                const index = Math.floor((value - minValue) / (maxValue - minValue) * (colors.length - 1));
                const clampedIndex = Math.min(Math.max(index, 0), colors.length - 1);
                return colors[clampedIndex];
            }

            const backgroundColor = (c) => {
                const value = c.dataset.data[c.dataIndex].v;
                const minValue = Math.min(...c.dataset.data.map(data => data.v));
                const maxValue = Math.max(...c.dataset.data.map(data => data.v));
                if (value === 0) {
                    return '#e8eaee';
                }
                const interpolatedColor = interpolateColor('#B28DFF', '#250766', minValue, maxValue, value);

                return interpolatedColor;
            };

            const overviewPublishData = {
                datasets: [{
                    label: 'overview',
                    data: Wp_Statistics_Author_Analytics_Object.publish_chart_data.datasets,
                    backgroundColor: (c) => backgroundColor(c),
                    borderColor: 'transparent',
                    borderWidth: 4,
                    borderRadius: 2,
                    boxShadow: 0,
                    width(c) {
                        const a = c.chart.chartArea || {};
                        return ((a.right - a.left) / 53 - 1) - 2;
                    },
                    height(c) {
                        const a = c.chart.chartArea || {};
                        return ((a.bottom - a.top) / 7 - 1) - 1;
                    }
                }]
            }

            //scales
            const overviewPublishScales = {
                y: {
                    type: 'time',
                    offset: true,
                    time: {
                        unit: 'day',
                        round: 'day',
                        isoWeek: 1,
                        parser: 'i',
                        displayFormats: {
                            day: 'iiiiii'
                        }
                    },
                    reverse: true,
                    position: 'left',
                    ticks: {
                        maxRotation: 0,
                        autoSkip: true,
                        padding: 5,
                        color: '#000',
                        font: {
                            size: 12
                        }
                    },
                    grid: {
                        display: false,
                        drawBorder: false,
                        tickLength: 0,
                    },
                    border: {
                        display: false
                    },
                },
                x: {
                    type: 'time',
                    offset: true,
                    position: 'top',
                    time: {
                        unit: 'month',
                        round: 'week',
                        isoWeekday: 1,
                        displayFormats: {
                            week: 'MMM'
                        }
                    },
                    ticks: {
                        maxRotation: 0,
                        autoSkip: true,
                        padding: 5,
                        color: '#000000',
                        font: {
                            size: 12
                        },
                        callback: function (value, index, values) {
                            const date = new Date(value);
                            const month = date.toLocaleString('default', {
                                month: 'short'
                            });
                            const day = date.getDate();
                            return day === 1 ? month : month + ' ' + day;
                        }
                    },
                    border: {
                        display: false
                    },
                    grid: {
                        display: false,
                        drawBorder: false,
                        tickLength: 0,
                    }
                }
            }


            const overviewPublishConfig = {
                type: 'matrix',
                data:overviewPublishData,
                options: {
                    maintainAspectRatio: false,
                    scales: overviewPublishScales,
                    aspectRatio: 10,
                    animation: false,
                    plugins: {
                        chartAreaBorder: {
                            borderWidth: 5,
                            borderColor: '#fff',
                        },
                        legend: false,
                        tooltip: {
                            displayColors: false,
                            callbacks: {
                                title() {
                                    return '';
                                },
                                label(context) {
                                    const v = context.dataset.data[context.dataIndex];
                                    return [
                                        `${wps_js._('date')}: ${v.d}`,
                                        `${wps_js.global.active_post_type}: ${v.v}`
                                    ];
                                }
                            }
                        }
                    }
                }
            };

            new Chart(document.getElementById('overviewPublishChart'), overviewPublishConfig);
        }
    };

    jQuery(document).ready(function () {
        wpStatisticsAuthorAnalytics.init();
    });
}