// YOLO models chart ---------------------------------------------------------------------------------------------------
const data = {
  //  YOLO12: {
  //    n: { speed: 1.64, mAP: 40.6 },
  //    s: { speed: 2.61, mAP: 48.0 },
  //    m: { speed: 4.86, mAP: 52.5 },
  //    l: { speed: 6.77, mAP: 53.7 },
  //    x: { speed: 11.79, mAP: 55.2 },
  //  },
  YOLO11: {
    n: { speed: 1.5, mAP: 39.5 },
    s: { speed: 2.5, mAP: 47.0 },
    m: { speed: 4.7, mAP: 51.5 },
    l: { speed: 6.2, mAP: 53.4 },
    x: { speed: 11.3, mAP: 54.7 },
  },
  YOLOv10: {
    n: { speed: 1.56, mAP: 39.5 },
    s: { speed: 2.66, mAP: 46.7 },
    m: { speed: 5.48, mAP: 51.3 },
    b: { speed: 6.54, mAP: 52.7 },
    l: { speed: 8.33, mAP: 53.3 },
    x: { speed: 12.2, mAP: 54.4 },
  },
  YOLOv9: {
    t: { speed: 2.3, mAP: 38.3 },
    s: { speed: 3.54, mAP: 46.8 },
    m: { speed: 6.43, mAP: 51.4 },
    c: { speed: 7.16, mAP: 53.0 },
    e: { speed: 16.77, mAP: 55.6 },
  },
  YOLOv8: {
    n: { speed: 1.47, mAP: 37.3 },
    s: { speed: 2.66, mAP: 44.9 },
    m: { speed: 5.86, mAP: 50.2 },
    l: { speed: 9.06, mAP: 52.9 },
    x: { speed: 14.37, mAP: 53.9 },
  },
  YOLOv7: { l: { speed: 6.84, mAP: 51.4 }, x: { speed: 11.57, mAP: 53.1 } },
  "YOLOv6-3.0": {
    n: { speed: 1.17, mAP: 37.5 },
    s: { speed: 2.66, mAP: 45.0 },
    m: { speed: 5.28, mAP: 50.0 },
    l: { speed: 8.95, mAP: 52.8 },
  },
  YOLOv5: {
    n: { speed: 1.12, mAP: 28.0 },
    s: { speed: 1.92, mAP: 37.4 },
    m: { speed: 4.03, mAP: 45.4 },
    l: { speed: 6.61, mAP: 49.0 },
    x: { speed: 11.89, mAP: 50.7 },
  },
  "PP-YOLOE+": {
    t: { speed: 2.84, mAP: 39.9 },
    s: { speed: 2.62, mAP: 43.7 },
    m: { speed: 5.56, mAP: 49.8 },
    l: { speed: 8.36, mAP: 52.9 },
    x: { speed: 14.3, mAP: 54.7 },
  },
  "DAMO-YOLO": {
    t: { speed: 2.32, mAP: 42.0 },
    s: { speed: 3.45, mAP: 46.0 },
    m: { speed: 5.09, mAP: 49.2 },
    l: { speed: 7.18, mAP: 50.8 },
  },
  YOLOX: {
    s: { speed: 2.56, mAP: 40.5 },
    m: { speed: 5.43, mAP: 46.9 },
    l: { speed: 9.04, mAP: 49.7 },
    x: { speed: 16.1, mAP: 51.1 },
  },
  RTDETRv2: {
    s: { speed: 5.03, mAP: 48.1 },
    m: { speed: 7.51, mAP: 51.9 },
    l: { speed: 9.76, mAP: 53.4 },
    x: { speed: 15.03, mAP: 54.3 },
  },
  EfficientDet: {
    d0: { speed: 3.92, mAP: 34.6 },
    d1: { speed: 7.31, mAP: 40.5 },
    d2: { speed: 10.92, mAP: 43.0 },
    d3: { speed: 19.59, mAP: 47.5 },
    // d4: { speed: 33.55, mAP: 49.4 },
    // d5: { speed: 67.86, mAP: 50.7 },
    // d6: { speed: 89.29, mAP: 51.7 },
    // d7: { speed: 128.07, mAP: 53.7 },
    // d8: { speed: 157.57, mAP: 55.1 }
  },
};

let modelComparisonChart = null; // chart variable will hold the reference to the current chart instance.

// Function to lighten a hex color by a specified amount.
function lightenHexColor(color, amount = 0.5) {
  const r = parseInt(color.slice(1, 3), 16);
  const g = parseInt(color.slice(3, 5), 16);
  const b = parseInt(color.slice(5, 7), 16);
  const newR = Math.min(255, Math.round(r + (255 - r) * amount));
  const newG = Math.min(255, Math.round(g + (255 - g) * amount));
  const newB = Math.min(255, Math.round(b + (255 - b) * amount));
  return `#${newR.toString(16).padStart(2, "0")}${newG.toString(16).padStart(2, "0")}${newB.toString(16).padStart(2, "0")}`;
}

// Function to update the benchmarks chart.
function updateChart(initialDatasets = []) {
  if (modelComparisonChart) {
    modelComparisonChart.destroy();
  } // If a chart instance already exists, destroy it.

  // Define a specific color map for models.
  const colorMap = {
    YOLO11: "#0b23a9",
    YOLOv10: "#ff7f0e",
    YOLOv9: "#2ca02c",
    YOLOv8: "#d62728",
    YOLOv7: "#9467bd",
    "YOLOv6-3.0": "#8c564b",
    YOLOv5: "#e377c2",
    "PP-YOLOE+": "#7f7f7f",
    "DAMO-YOLO": "#bcbd22",
    YOLOX: "#17becf",
    RTDETRv2: "#eccd22",
    EfficientDet: "#000000",
  };

  // Always include all models in the dataset creation
  const datasets = Object.keys(data).map((algorithm, i) => {
    const baseColor =
      colorMap[algorithm] || `hsl(${Math.random() * 360}, 70%, 50%)`;
    const lineColor =
      Object.keys(data).indexOf(algorithm) === 0
        ? baseColor
        : lightenHexColor(baseColor, 0.6);

    return {
      label: algorithm,
      data: Object.entries(data[algorithm]).map(([version, point]) => ({
        x: point.speed,
        y: point.mAP,
        version: version.toUpperCase(),
      })),
      fill: false,
      borderColor: lineColor,
      tension: 0.2,
      pointRadius: Object.keys(data).indexOf(algorithm) === 0 ? 7 : 4,
      pointHoverRadius: Object.keys(data).indexOf(algorithm) === 0 ? 9 : 6,
      pointBackgroundColor: lineColor,
      pointBorderColor: "#ffffff",
      borderWidth: i === 0 ? 3 : 1.5,
      hidden:
        initialDatasets.length > 0 && !initialDatasets.includes(algorithm),
    };
  });

  // Create a new chart instance.
  modelComparisonChart = new Chart(
    document.getElementById("modelComparisonChart").getContext("2d"),
    {
      type: "line",
      data: { datasets },
      options: {
        //aspectRatio: 2.5,  // higher is wider
        plugins: {
          legend: {
            display: true,
            position: "right",
            align: "start", // start, end, center
            labels: { color: "#808080" },
            onClick: (e, legendItem, legend) => {
              const index = legendItem.datasetIndex;
              const ci = legend.chart;
              const meta = ci.getDatasetMeta(index);
              meta.hidden =
                meta.hidden === null ? !ci.data.datasets[index].hidden : null;
              ci.update();
            },
          }, // Configure the legend.
          tooltip: {
            callbacks: {
              label: (tooltipItem) => {
                const { dataset, dataIndex } = tooltipItem;
                const point = dataset.data[dataIndex];
                return `${dataset.label}${point.version.toLowerCase()}: Speed = ${point.x}ms/img, mAP50-95 = ${point.y}`; // Custom tooltip label.
              },
            },
            mode: "nearest",
            intersect: false,
          }, // Configure the tooltip.
        },
        interaction: { mode: "nearest", axis: "x", intersect: false }, // Configure the interaction mode.
        scales: {
          x: {
            type: "linear",
            position: "bottom",
            title: {
              display: true,
              text: "Latency T4 TensorRT10 FP16 (ms/img)",
              color: "#808080",
            },
            grid: { color: "#e0e0e0" },
            ticks: { color: "#808080" },
            min: 0,
            max: 18,
          },
          y: {
            title: { display: true, text: "COCO mAP 50-95", color: "#808080" },
            grid: { color: "#e0e0e0" },
            ticks: { color: "#808080" },
            min: 36,
            max: 56,
          },
        },
      },
    },
  );
}

function initChart(activeModels) {
  updateChart(activeModels);
}

document$.subscribe(function () {
  (function initializeApp() {
    if (typeof Chart !== "undefined") {
      // Get active models from page config or use default
      // e.g. <canvas id="modelComparisonChart" width="1024" height="400" active-models='["YOLOv5", "YOLOv8"]'></canvas>
      const pageConfig = document
        .getElementById("modelComparisonChart")
        .getAttribute("active-models");
      const activeModels = pageConfig ? JSON.parse(pageConfig) : [];
      initChart(activeModels);
    } else {
      setTimeout(initializeApp, 50); // Retry every 50 ms
    }
  })();
});