import { describe, it, expect } from "vitest";
import { toSqlFlag } from "./sqlFlag";

describe("toSqlFlag (#390)", () => {
  it("maps the UI boolean to an integer, never to the boolean itself", () => {
    expect(toSqlFlag(true)).toBe(1);
    expect(toSqlFlag(false)).toBe(0);
  });

  it("keeps database integers", () => {
    expect(toSqlFlag(1)).toBe(1);
    expect(toSqlFlag(0)).toBe(0);
  });

  it("treats any finite non-zero number as set, like SQLite", () => {
    expect(toSqlFlag(2)).toBe(1);
    expect(toSqlFlag(-1)).toBe(1);
  });

  it("maps NaN and infinities to 0", () => {
    expect(toSqlFlag(Number.NaN)).toBe(0);
    expect(toSqlFlag(Number.POSITIVE_INFINITY)).toBe(0);
  });

  it("reads the 'true' a backup carries from the time of the bug", () => {
    expect(toSqlFlag("true")).toBe(1);
    expect(toSqlFlag("TRUE")).toBe(1);
    expect(toSqlFlag("  true ")).toBe(1);
  });

  it("reads a CSV cell", () => {
    expect(toSqlFlag("1")).toBe(1);
    expect(toSqlFlag(" 1 ")).toBe(1);
    expect(toSqlFlag("0")).toBe(0);
    expect(toSqlFlag("")).toBe(0);
  });

  it("maps every other string to 0", () => {
    expect(toSqlFlag("false")).toBe(0);
    expect(toSqlFlag("yes")).toBe(0);
    expect(toSqlFlag("01")).toBe(0);
  });

  it("maps absent values to 0", () => {
    expect(toSqlFlag(null)).toBe(0);
    expect(toSqlFlag(undefined)).toBe(0);
    expect(toSqlFlag({})).toBe(0);
  });
});