import assert from "node:assert/strict";
import test from "node:test";

import {
  CmapAppearance,
  cmapFontSizeInPoints,
  normalizedCmapFontSize
} from "../static/cmap/model/appearance.js";

const defaultValues = {
  backgroundColor: "#fff4cf", textColor: "#222222",
  fontFamily: "Arial", fontSize: 11, fontWeight: "700", fontStyle: "normal",
  synopsisTextColor: "#4d4d4d", synopsisFontFamily: "Arial",
  synopsisFontSize: 9, synopsisFontWeight: "400", synopsisFontStyle: "normal",
  submapBackgroundColor: "#edf7e8", submapBorderColor: "#57834a"
};

function appearance() {
  return new CmapAppearance({
    styles: [{
      id: "default", nameKey: "style-default", protected: true, values: defaultValues
    }],
    palette: ["#ffffff", "#222222"]
  });
}

test("CMap appearance owns detached styles and palette values", () => {
  const model = appearance();
  const styles = model.styles;
  const palette = model.palette;
  styles[0].values.backgroundColor = "#000000";
  palette[0] = "#000000";
  assert.equal(model.defaultValues.backgroundColor, "#fff4cf");
  assert.equal(model.palette[0], "#ffffff");
});

test("CMap appearance normalizes form values and recognizes named styles", () => {
  const model = appearance();
  const values = model.normalizeValues({
    ...defaultValues,
    backgroundColor: "#FFF4CF",
    fontSize: "11.2"
  });
  assert.equal(values.backgroundColor, "#fff4cf");
  assert.equal(values.fontSize, 11);
  assert.equal(model.matchingStyleId(values), "default");
});

test("custom styles and palette colours change only through model methods", () => {
  const model = appearance();
  const style = model.putStyle({ id: "review", name: "Review", values: defaultValues });
  assert.equal(model.style("review").name, "Review");
  assert.equal(model.matchingStyleId(style.values), "default");
  assert.equal(model.deleteStyle("default"), false);
  assert.equal(model.deleteStyle("review"), true);
  assert.equal(model.setPaletteColor(1, "#ABCDEF"), true);
  assert.equal(model.palette[1], "#abcdef");
  assert.equal(model.setPaletteColor(1, "not-a-colour"), false);
});

test("CMap appearance rejects incomplete backend aggregates", () => {
  assert.throws(
    () => new CmapAppearance({ styles: [], palette: ["#ffffff"] }),
    /default style and colour palette/);
});

test("CMap font sizes convert and normalize to backend units", () => {
  assert.equal(cmapFontSizeInPoints("16px"), 12);
  assert.equal(cmapFontSizeInPoints("1.5em", 10), 15);
  assert.equal(normalizedCmapFontSize("55", 11), 54);
});