import { describe, expect, test } from "bun:test";
import { isValidProjectColor, sanitizeHexColor } from "./color";

describe("sanitizeHexColor", () => {
  test("accepts strict hex colors (3/4/6/8 digits, any case)", () => {
    for (const value of ["#fff", "#FFFF", "#22d3ee", "#000000ff", "#AbCdEf"]) {
      expect(sanitizeHexColor(value)).toBe(value);
    }
  });

  test("trims surrounding whitespace on a valid hex", () => {
    expect(sanitizeHexColor("  #22d3ee  ")).toBe("#22d3ee");
  });

  test("fails closed (undefined) for non-hex / poisoned values", () => {
    for (const value of [
      "red",
      "red; color: evil",
      "red;}</style><script>x</script>",
      "rgb(1,2,3)",
      "var(--evil)",
      "#xyz",
      "#12",
      "",
      null,
      undefined,
    ]) {
      expect(sanitizeHexColor(value)).toBeUndefined();
    }
  });

  test("returns the provided fallback for invalid values", () => {
    expect(sanitizeHexColor("red; color: evil", "var(--rep-muted)")).toBe(
      "var(--rep-muted)",
    );
    expect(sanitizeHexColor(null, "#000")).toBe("#000");
  });
});

describe("isValidProjectColor", () => {
  test("accepts hex colors", () => {
    for (const value of ["#fff", "#FFFF", "#22d3ee", "#000000ff", "#AbCdEf"]) {
      expect(isValidProjectColor(value)).toBe(true);
    }
  });

  test("accepts numeric oklch() colors (the palette format)", () => {
    for (const value of [
      "oklch(0.6 0.15 137)",
      "oklch(0.55 0.02 260)",
      "oklch(0.6 0.15 137.508)",
      "oklch(60% 0.15 137)",
      "oklch(0.6 0.15 137 / 0.5)",
      "  oklch(0.6 0.15 137)  ",
    ]) {
      expect(isValidProjectColor(value)).toBe(true);
    }
  });

  test("rejects non-color / CSS-breakout / non-string values", () => {
    for (const value of [
      "red",
      "red; color: evil",
      "red;}</style><script>x</script>",
      "rgb(1,2,3)",
      "var(--evil)",
      "oklch(0.6 0.15 137); color: evil",
      "oklch(0.7 var(--accent-sat) var(--accent-hue))",
      "#xyz",
      "",
      null,
      undefined,
      42,
    ]) {
      expect(isValidProjectColor(value)).toBe(false);
    }
  });
});