import { beforeAll, describe, expect, it } from "vitest";
import {
  fetchSchedule,
  type ScheduleGame,
} from "../../src/kbo/schedule";

// 실제 KBO `fetchSchedule` (cli `npx tsx src/kbo/cli.ts schedule 2026 4 --json`이 쓰는 동일 경로)을
// 호출하여, 알려진 회귀 케이스가 정확히 파싱되는지 검증한다. 과거 경기는 결과가 불변이라 결정론적.

const TIMEOUT_MS = 30_000;

describe("fetchSchedule (실제 KBO 호출) — 케이스별 회귀", () => {
  let april: ScheduleGame[];
  let may: ScheduleGame[];

  beforeAll(async () => {
    [april, may] = await Promise.all([
      fetchSchedule({ year: 2026, month: 4 }).then((r) => r.games),
      fetchSchedule({ year: 2026, month: 5 }).then((r) => r.games),
    ]);
  }, TIMEOUT_MS);

  function find(games: ScheduleGame[], gameId: string): ScheduleGame {
    const g = games.find((x) => x.gameId === gameId);
    if (!g) throw new Error(`gameId ${gameId} not found in fetched schedule`);
    return g;
  }

  it("win/lose: 20260401LTNC0 (LT 4 @ NC 5) → completed, score 정확", () => {
    const g = find(april, "20260401LTNC0");
    expect(g.status).toBe("completed");
    expect(g.awayTeamCode).toBe("LT");
    expect(g.homeTeamCode).toBe("NC");
    expect(g.awayScore).toBe(4);
    expect(g.homeScore).toBe(5);
    expect(g.note).toBe("-");
  });

  it("draw(4월): 20260426LTHT0 (LT 5 @ HT 5) → completed, 동점 score 파싱 (parsePlayCell 회귀)", () => {
    const g = find(april, "20260426LTHT0");
    expect(g.status).toBe("completed");
    expect(g.awayTeamCode).toBe("LT");
    expect(g.homeTeamCode).toBe("HT");
    expect(g.awayScore).toBe(5);
    expect(g.homeScore).toBe(5);
  });

  it("draw(5월): 20260505NCSK0 (NC 7 @ SSG 7) → completed, 동점 score 파싱", () => {
    const g = find(may, "20260505NCSK0");
    expect(g.status).toBe("completed");
    expect(g.awayTeamCode).toBe("NC");
    expect(g.homeTeamCode).toBe("SK");
    expect(g.awayScore).toBe(7);
    expect(g.homeScore).toBe(7);
  });

  it("cancelled: 20260409WOOB0 (우천취소) → status=cancelled, score=null", () => {
    const g = find(april, "20260409WOOB0");
    expect(g.status).toBe("cancelled");
    expect(g.awayTeamCode).toBe("WO");
    expect(g.homeTeamCode).toBe("OB");
    expect(g.awayScore).toBeNull();
    expect(g.homeScore).toBeNull();
    expect(g.note).toContain("우천");
  });

  it("scheduled(미래): 20260507OBLG0 → status=scheduled, score=null", () => {
    const g = find(may, "20260507OBLG0");
    expect(g.status).toBe("scheduled");
    expect(g.awayScore).toBeNull();
    expect(g.homeScore).toBeNull();
  });

  it("4월 모든 completed 경기: score는 null 아님 (무승부 포함 회귀)", () => {
    const completed = april.filter((g) => g.status === "completed");
    expect(completed.length).toBeGreaterThan(0);
    for (const g of completed) {
      expect(g.awayScore, `${g.gameId} awayScore`).not.toBeNull();
      expect(g.homeScore, `${g.gameId} homeScore`).not.toBeNull();
    }
  });

  it("4월 모든 cancelled 경기: score는 null이어야 함", () => {
    const cancelled = april.filter((g) => g.status === "cancelled");
    expect(cancelled.length).toBeGreaterThan(0);
    for (const g of cancelled) {
      expect(g.awayScore, `${g.gameId} awayScore`).toBeNull();
      expect(g.homeScore, `${g.gameId} homeScore`).toBeNull();
    }
  });
});