'use strict';

const test = require('node:test');
const assert = require('node:assert');

const { parseBotsFromEnv, sanitizeId, normalizePort } = require('../src/config/botsConfig');

test('MC_BOTS JSON 数组写法解析多个机器人', () => {
  const bots = parseBotsFromEnv({
    MC_HOST: 'mc.example.com',
    MC_PORT: '25566',
    MC_VERSION: '1.21.1',
    MC_AUTH: 'offline',
    MC_BOTS: JSON.stringify([
      { username: 'BotA', password: 'p1' },
      { username: 'BotB', password: 'p2', label: '二号机' }
    ])
  });
  assert.strictEqual(bots.length, 2);
  assert.deepStrictEqual(bots.map((b) => b.username), ['BotA', 'BotB']);
  assert.strictEqual(bots[0].host, 'mc.example.com');
  assert.strictEqual(bots[0].port, 25566);
  assert.strictEqual(bots[0].version, '1.21.1');
  assert.strictEqual(bots[1].label, '二号机');
  assert.strictEqual(bots[1].password, 'p2');
});

test('MC_BOTS 逗号分隔写法解析用户名与密码', () => {
  const bots = parseBotsFromEnv({ MC_BOTS: 'BotA:p1, BotB:p2' });
  assert.deepStrictEqual(bots.map((b) => [b.username, b.password]), [['BotA', 'p1'], ['BotB', 'p2']]);
});

test('MC_BOTS 中没有冒号的项视为「只有用户名」', () => {
  const bots = parseBotsFromEnv({ MC_BOTS: 'BotA' });
  assert.strictEqual(bots.length, 1);
  assert.strictEqual(bots[0].password, '');
});

test('未配置 MC_BOTS 时回退到 MC_USERNAME / MC_PASSWORD', () => {
  const bots = parseBotsFromEnv({ MC_USERNAME: 'SoloBot', MC_PASSWORD: 'pw' });
  assert.strictEqual(bots.length, 1);
  assert.strictEqual(bots[0].username, 'SoloBot');
  assert.strictEqual(bots[0].password, 'pw');
});

test('MC_BOTS 解析失败（非法 JSON）时回退到单机器人兜底', () => {
  const bots = parseBotsFromEnv({ MC_BOTS: '[{bad json', MC_USERNAME: 'Fallback', MC_PASSWORD: 'p' });
  assert.strictEqual(bots.length, 1);
  assert.strictEqual(bots[0].username, 'Fallback');
});

test('重名机器人被去重，空用户名被丢弃', () => {
  const bots = parseBotsFromEnv({ MC_BOTS: 'BotA:p1,BotA:p2,,  ,BotB:p3' });
  assert.deepStrictEqual(bots.map((b) => b.username), ['BotA', 'BotB']);
  assert.strictEqual(bots[0].password, 'p1', '应保留第一个同名条目');
});

test('id 由用户名安全化生成，可用于 URL 与文件名', () => {
  const bots = parseBotsFromEnv({ MC_BOTS: 'a/b:c:p1' });
  assert.strictEqual(bots.length, 1);
  assert.strictEqual(bots[0].username, 'a/b');
  assert.strictEqual(bots[0].id, 'a_b');
  assert.strictEqual(sanitizeId('正常名字_123'), '正常名字_123');
});

test('端口非法时回退到 25565', () => {
  assert.strictEqual(normalizePort('abc'), 25565);
  assert.strictEqual(normalizePort('0'), 25565);
  assert.strictEqual(normalizePort('70000'), 25565);
  assert.strictEqual(normalizePort('25565'), 25565);
  const bots = parseBotsFromEnv({ MC_BOTS: 'BotA:p', MC_PORT: 'x' });
  assert.strictEqual(bots[0].port, 25565);
});

test('没有任何配置时返回空列表', () => {
  assert.deepStrictEqual(parseBotsFromEnv({}), []);
});