import {
  tick,
  startGameLoop,
  stopGameLoop,
  setSpeed,
} from '../src/engine/tickLoop.js';

// ==================== 测试配置 ====================

const careerConfig = {
  careers: [
    {
      id: 'student',
      name: '学童',
      type: 'scholar',
      unlockConditions: { type: 'age', op: '>=', value: 6 },
      dailyIncome: 1,
      expCurve: { base: 10, factor: 1.15 },
    },
    {
      id: 'soldier',
      name: '士兵',
      type: 'military',
      unlockConditions: {
        type: 'and',
        conditions: [
          { type: 'age', op: '>=', value: 14 },
          { type: 'stat', op: '>=', stat: 'body', value: 10 },
        ],
      },
      dailyIncome: 2,
      expCurve: { base: 20, factor: 1.18 },
    },
  ],
};

const eventConfig = {
  events: [
    {
      id: 'invasion_military_40',
      name: '蛮族入侵',
      trigger: { type: 'age', value: 40 },
      isChoice: true,
      choices: [
        {
          id: 'resist',
          text: '率军抵抗',
          requirements: {
            type: 'careerLevel',
            careerId: 'soldier',
            op: '>=',
            value: 50,
          },
          effects: [{ type: 'addLog', text: '你率领大军击退了蛮族入侵！' }],
        },
        {
          id: 'flee',
          text: '弃城逃跑',
          effects: [{ type: 'addLog', text: '你选择了弃城逃跑。' }],
        },
      ],
    },
    {
      id: 'daily_training',
      name: '日常修炼',
      trigger: { type: 'random', pool: 'normal' },
      weight: 50,
      effects: [{ type: 'addStat', stat: 'body', value: 1 }],
    },
  ],
};

const shopConfig = {
  artifacts: [],
};

// ==================== 测试辅助函数 ====================

function assertEqual(actual, expected, message) {
  const actualStr = JSON.stringify(actual);
  const expectedStr = JSON.stringify(expected);
  if (actualStr !== expectedStr) {
    throw new Error(
      `${message}\n  期望: ${expectedStr}\n  实际: ${actualStr}`
    );
  }
}

function assertTrue(value, message) {
  if (!value) {
    throw new Error(message || `期望为 true，实际为 ${value}`);
  }
}

// ==================== 测试用例 ====================

function testTickAdvancesDay() {
  const state = {
    alive: true,
    paused: false,
    day: 0,
    year: 0,
    age: 5,
    stats: {},
    careers: {},
    money: 0,
    worldFlags: {},
  };

  tick(state, 1, careerConfig, eventConfig, shopConfig);
  assertEqual(state.day, 1, 'day should advance by 1');
}

function testTickUnlocksCareer() {
  const state = {
    alive: true,
    paused: false,
    day: 0,
    year: 0,
    age: 5,
    stats: {},
    careers: {},
    money: 0,
    worldFlags: {},
  };

  // Age 5 -> 6 after 365 days
  tick(state, 365, careerConfig, eventConfig, shopConfig);
  assertEqual(state.age, 6, 'age should be 6 after 365 days');
  assertTrue(state.careers.student !== undefined, 'student should unlock at age 6');
}

function testTickIncome() {
  const state = {
    alive: true,
    paused: false,
    day: 0,
    year: 0,
    age: 10,
    stats: {},
    careers: { student: { level: 0, exp: 0 } },
    money: 0,
    worldFlags: {},
  };

  tick(state, 10, careerConfig, eventConfig, shopConfig);
  assertEqual(state.money, 10, 'money should increase by 10 (1 per day from student)');
}

function testTickExp() {
  const state = {
    alive: true,
    paused: false,
    day: 0,
    year: 0,
    age: 10,
    stats: { wisdom: 0 },
    careers: { student: { level: 0, exp: 0 } },
    money: 0,
    metaExp: {},
    worldFlags: {},
  };

  tick(state, 1, careerConfig, eventConfig, shopConfig);
  assertEqual(state.careers.student.level, 1, 'student should level up to 1 after 1 day');
  assertEqual(state.careers.student.exp, 0, 'remaining exp should be 0 after level up');

  // Test level up: need 10 exp for level 1, 11.5 for level 2
  const state2 = {
    alive: true,
    paused: false,
    day: 0,
    year: 0,
    age: 10,
    stats: { wisdom: 0 },
    careers: { student: { level: 0, exp: 0 } },
    money: 0,
    metaExp: {},
    worldFlags: {},
  };

  tick(state2, 2, careerConfig, eventConfig, shopConfig);
  assertEqual(state2.careers.student.level, 1, 'student should level up to 1');
  assertEqual(state2.careers.student.exp, 10, 'remaining exp should be 10 (20 - 10)');
}

function testAgeEventTriggers() {
  const state = {
    alive: true,
    paused: false,
    day: 0,
    year: 0,
    age: 39,
    stats: {},
    careers: {},
    money: 0,
    worldFlags: {},
    triggeredEvents: new Set(),
  };

  // 365 ticks to go from age 39 to 40
  tick(state, 365, careerConfig, eventConfig, shopConfig);
  assertEqual(state.age, 40, 'age should be 40');
  assertEqual(state.paused, true, 'game should pause on choice event');
  assertTrue(state.currentEvent !== undefined, 'currentEvent should be set');
  assertEqual(state.currentEvent.id, 'invasion_military_40', 'should trigger invasion event at 40');
}

// ==================== 运行测试 ====================

function runTests() {
  const tests = [
    { name: 'testTickAdvancesDay', fn: testTickAdvancesDay },
    { name: 'testTickUnlocksCareer', fn: testTickUnlocksCareer },
    { name: 'testTickIncome', fn: testTickIncome },
    { name: 'testTickExp', fn: testTickExp },
    { name: 'testAgeEventTriggers', fn: testAgeEventTriggers },
  ];

  let passed = 0;
  let failed = 0;

  for (const test of tests) {
    try {
      test.fn();
      console.log(`  PASS: ${test.name}`);
      passed++;
    } catch (err) {
      console.log(`  FAIL: ${test.name}`);
      console.log(`    ${err.message}`);
      failed++;
    }
  }

  console.log(`\n${passed} passed, ${failed} failed`);

  if (failed === 0) {
    console.log('All tickLoop tests PASS');
    process.exit(0);
  } else {
    process.exit(1);
  }
}

runTests();