import { describe, expect, it } from "vitest";

import { getLocalizedValue, resolvePortfolioProjectViewMode } from "@/lib/portfolio";

describe("resolvePortfolioProjectViewMode", () => {
  it("keeps supported view modes", () => {
    expect(resolvePortfolioProjectViewMode("GRID")).toBe("GRID");
    expect(resolvePortfolioProjectViewMode("STORY")).toBe("STORY");
    expect(resolvePortfolioProjectViewMode("CASE_STUDY")).toBe("CASE_STUDY");
  });

  it("falls back to GRID for unknown or missing values", () => {
    expect(resolvePortfolioProjectViewMode(undefined)).toBe("GRID");
    expect(resolvePortfolioProjectViewMode(null)).toBe("GRID");
    expect(resolvePortfolioProjectViewMode("unexpected")).toBe("GRID");
  });
});

describe("getLocalizedValue", () => {
  const content = { ar: "عربي", en: "English", de: "Deutsch" };

  it("returns the direct locale value when present", () => {
    expect(getLocalizedValue(content, "en")).toBe("English");
    expect(getLocalizedValue(content, "ar")).toBe("عربي");
  });

  it("falls back to the provided fallback locale", () => {
    expect(getLocalizedValue({ ar: "", en: "", de: "Deutsch" }, "en", "de")).toBe("Deutsch");
  });

  it("falls back to any available value when neither locale is filled", () => {
    expect(getLocalizedValue({ ar: "عربي", en: "", de: "" }, "en", "de")).toBe("عربي");
  });

  it("trims whitespace-only values before considering them empty", () => {
    expect(getLocalizedValue({ ar: "  ", en: "  ", de: "Deutsch" }, "en", "de")).toBe("Deutsch");
  });

  it("returns an empty string when everything is blank", () => {
    expect(getLocalizedValue({ ar: "", en: "", de: "" }, "en")).toBe("");
  });
});