import { describe, it, expect } from "vitest";
import { findMatchingTeamName } from "~/lib/normalize-team-name";

// Pure unit tests for the name-matching logic used by syncStandings.
// The full orchestrator requires DB context; those are covered by integration tests.

describe("findMatchingTeamName (sync name-matching logic)", () => {
  const participants = [
    "Boston Celtics",
    "Los Angeles Lakers",
    "Golden State Warriors",
    "Oklahoma City Thunder",
    "San Antonio Spurs",
    "New York Knicks",
  ];

  it("matches exact names", () => {
    expect(findMatchingTeamName("Boston Celtics", participants)).toBe("Boston Celtics");
    expect(findMatchingTeamName("New York Knicks", participants)).toBe("New York Knicks");
  });

  it("is case-insensitive", () => {
    expect(findMatchingTeamName("golden state warriors", participants)).toBe(
      "Golden State Warriors"
    );
    expect(findMatchingTeamName("SAN ANTONIO SPURS", participants)).toBe("San Antonio Spurs");
  });

  it("matches partial city+team via substring", () => {
    expect(findMatchingTeamName("Golden State", participants)).toBe("Golden State Warriors");
    expect(findMatchingTeamName("Oklahoma City", participants)).toBe("Oklahoma City Thunder");
    // "New York" is a substring of "New York Knicks"
    expect(findMatchingTeamName("New York", participants)).toBe("New York Knicks");
  });

  it("returns null for truly unmatched names", () => {
    expect(findMatchingTeamName("Phoenix Suns", participants)).toBeNull();
    expect(findMatchingTeamName("Charlotte Hornets", participants)).toBeNull();
  });

  it("returns null for empty string", () => {
    expect(findMatchingTeamName("", participants)).toBeNull();
  });

  it("handles extra whitespace gracefully", () => {
    expect(findMatchingTeamName("  Boston  Celtics  ", participants)).toBe("Boston Celtics");
  });
});