/*
 * 发电机温度图（终极稳定版）
 */
import { renderChart } from "../chartService/index.js";

export const generateGeneratorTemperature = async (
  data,
  bucketName,
  objectName,
) => {
  if (!data || !Array.isArray(data.data)) {
    throw new Error("generator temperature data invalid");
  }

  const typeLine = ["solid", "solid", "dot", "dot", "dash", "solid"];

  const colorDefault = [
    "#0000F5",
    "#377E21",
    "#0000F5",
    "#377E21",
    "#000000",
    "#F2A93B",
  ];

  const chartDataset = data.data;

  // ✅ traces 构建
  const traces = chartDataset.map((turbine, index) => {
    const color =
      data.color1 && data.color1.length > 0
        ? data.color1[index % data.color1.length]
        : colorDefault[index % colorDefault.length];

    const base = {
      x: turbine.xData || [],
      y: turbine.yData || [],
      name: turbine.Name || `series-${index}`,
      hovertemplate: `${data.xaixs || "X"}: %{x}<br>${
        data.yaixs || "Y"
      }: %{y}<br>`,
      marker: { color },
    };

    if (data.chartType === "bar") {
      return {
        ...base,
        type: "bar",
      };
    }

    // 默认 line
    return {
      ...base,
      type: "scatter",
      mode: "lines",
      line: {
        dash: typeLine[index % typeLine.length],
        color,
      },
    };
  });

  // ✅ layout
  const layout = {
    title: {
      text: `发电机-轴承温度偏差: ${data.turbineName || ""}`,
      font: { size: 16 },
    },
    xaxis: {
      title: data.xaixs || "X轴",
      gridcolor: "rgb(255,255,255)",
      tickcolor: "rgb(255,255,255)",
      backgroundcolor: "#e5ecf6",
      showbackground: true,
      showline: true, // ✅ 显示 X 轴轴线
      linecolor: "#ffffff", // ✅ X 轴轴线颜色设为白色
      zeroline: false,
    },
    yaxis: {
      title: data.yaixs || "Y轴",
      gridcolor: "rgb(255,255,255)",
      tickcolor: "rgb(255,255,255)",
      backgroundcolor: "#e5ecf6",
      showbackground: true,
      showline: true, // ✅ 显示 X 轴轴线
      linecolor: "#ffffff", // ✅ X 轴轴线颜色设为白色
      zeroline: false,
    },
    plot_bgcolor: "#e5ecf6",
    paper_bgcolor: "#e5ecf6",
    margin: {
      l: 50,
      r: 50,
      t: 60,
      b: 50,
    },
    barmode: data.chartType === "bar" ? "stack" : "group",

    // ✅ 阈值线（核心保留）
    shapes: [
      createThresholdLine(15, "red"),
      createThresholdLine(-15, "red"),
      createThresholdLine(5, "#F9DD70"),
      createThresholdLine(-5, "#F9DD70"),
      createThresholdLine(0, "#fff"),
    ],
  };

  // ✅ 统一出口
  return await renderChart({
    traces,
    layout,
    bucketName,
    objectName,
  });
};

// ✅ 抽离：阈值线生成器（非常推荐）
function createThresholdLine(y, color) {
  return {
    type: "line",
    xref: "paper",
    x0: 0,
    x1: 1,
    yref: "y",
    y0: y,
    y1: y,
    line: {
      color,
      width: 2,
      dash: y === 0 ? "solid" : "dash",
    },
  };
}