import { beforeEach, describe, expect, it } from "vitest";
import { rtdb } from "../../src/firebase";
import {
  changeVote,
  deleteGameVotes,
  getAllUserVotes,
  getCounts,
  getUserDateVotes,
  getUserVote,
  submitVote,
} from "../../src/repositories/voteRepository";
import type { DateString } from "../../src/types/dateString";

const gameId = "20260412HTLG0";
const gameId2 = "20260412WOSK0";
const uid = "test-uid-1";
const uid2 = "test-uid-2";
const date = "2026-04-12" as DateString;

describe("voteRepository (RTDB)", () => {
  beforeEach(async () => {
    console.log("[setup] /votes, /userVotes 초기화");
    await rtdb.ref("/votes").remove();
    await rtdb.ref("/userVotes").remove();
  });

  describe("submitVote", () => {
    it("home 투표 시 homeCount가 1 증가하고 인덱스가 저장된다", async () => {
      await submitVote({ gameId, uid, date, side: "home", team: "LG" });

      const counts = await getCounts(gameId);
      const userVote = await getUserVote(gameId, uid);
      const dateVotes = await getUserDateVotes(uid, date);
      console.log("[home vote] counts:", counts);
      console.log("[home vote] userVote:", userVote);
      console.log("[home vote] dateVotes:", dateVotes);

      expect(counts).toEqual({ homeCount: 1, awayCount: 0 });
      expect(userVote).toEqual({ team: "LG" });
      expect(dateVotes[gameId]).toEqual({ team: "LG" });
    });

    it("away 투표 시 awayCount만 증가한다", async () => {
      await submitVote({ gameId, uid, date, side: "away", team: "KIA" });

      const counts = await getCounts(gameId);
      console.log("[away vote] counts:", counts);
      expect(counts).toEqual({ homeCount: 0, awayCount: 1 });
    });
  });

  describe("changeVote", () => {
    it("home→away 변경 시 카운트가 재분배되고 인덱스가 갱신된다", async () => {
      await submitVote({ gameId, uid, date, side: "home", team: "LG" });
      console.log("[change] 초기:", await getCounts(gameId));

      await changeVote({
        gameId,
        uid,
        date,
        oldSide: "home",
        newSide: "away",
        newTeam: "KIA",
      });

      const counts = await getCounts(gameId);
      const userVote = await getUserVote(gameId, uid);
      const dateVotes = await getUserDateVotes(uid, date);
      console.log("[change] 변경 후 counts:", counts);
      console.log("[change] userVote:", userVote);

      expect(counts).toEqual({ homeCount: 0, awayCount: 1 });
      expect(userVote).toEqual({ team: "KIA" });
      expect(dateVotes[gameId]).toEqual({ team: "KIA" });
    });
  });

  describe("getUserVote", () => {
    it("존재하지 않으면 null을 반환한다", async () => {
      const result = await getUserVote(gameId, "nonexistent-uid");
      expect(result).toBeNull();
    });
  });

  describe("getCounts", () => {
    it("counts 노드가 없으면 0으로 채워 반환한다", async () => {
      const result = await getCounts("nonexistent-game");
      console.log("[counts-empty]", result);
      expect(result).toEqual({ homeCount: 0, awayCount: 0 });
    });
  });

  describe("getAllUserVotes", () => {
    it("여러 유저의 투표를 맵으로 반환한다", async () => {
      await submitVote({ gameId, uid, date, side: "home", team: "LG" });
      await submitVote({ gameId, uid: uid2, date, side: "away", team: "KIA" });

      const all = await getAllUserVotes(gameId);
      console.log("[all votes]", all);
      expect(Object.keys(all).sort()).toEqual([uid, uid2].sort());
      expect(all[uid]).toEqual({ team: "LG" });
      expect(all[uid2]).toEqual({ team: "KIA" });
    });

    it("투표가 없으면 빈 객체를 반환한다", async () => {
      const result = await getAllUserVotes("nonexistent-game");
      expect(result).toEqual({});
    });
  });

  describe("getUserDateVotes", () => {
    it("특정 날짜의 여러 경기 투표를 맵으로 반환한다", async () => {
      await submitVote({ gameId, uid, date, side: "home", team: "LG" });
      await submitVote({
        gameId: gameId2,
        uid,
        date,
        side: "away",
        team: "키움",
      });

      const result = await getUserDateVotes(uid, date);
      console.log("[date votes]", result);
      expect(Object.keys(result).sort()).toEqual([gameId, gameId2].sort());
      expect(result[gameId]).toEqual({ team: "LG" });
      expect(result[gameId2]).toEqual({ team: "키움" });
    });
  });

  describe("deleteGameVotes", () => {
    it("/votes/{gameId}는 삭제되지만 /userVotes 인덱스는 남는다", async () => {
      await submitVote({ gameId, uid, date, side: "home", team: "LG" });

      await deleteGameVotes(gameId);

      const counts = await getCounts(gameId);
      const users = await getAllUserVotes(gameId);
      const dateVotes = await getUserDateVotes(uid, date);
      console.log("[delete] counts:", counts);
      console.log("[delete] users:", users);
      console.log("[delete] dateVotes (남아있음):", dateVotes);

      expect(counts).toEqual({ homeCount: 0, awayCount: 0 });
      expect(users).toEqual({});
      expect(dateVotes[gameId]).toEqual({ team: "LG" });
    });
  });
});