import { describe, expect, it } from 'vitest'
import { stateFingerprint, longRun } from './fingerprint.helper'
import { World } from '../src/renderer/game/engine/world'

/**
 * 金钟罩：固定种子长跑 560 月的状态指纹。
 * 任何改动（重构日程/调平衡/加系统）若改变了确定性序列或结果，此测试立刻报红。
 * 更新规则：仅当**有意**变更序列逻辑时，三枚 seed 指纹同版更新并注明原因。
 */
// 0.1.10 基线：长线数值重建（修炼提速/寿元放宽/渡劫修复）后三档固化为 47/100/180 年。
// 0.1.8 时修复批次后为 9af71ecb/63cede89/ebfec4a4；0.1.10 有意变更数值后按三档重算。
const GOLDEN: Record<string, Record<number, string>> = {
  'bell-seed-1': { 560: 'a3223c77', 1200: '55aead92', 2160: 'ae2d9fb7' },
  'bell-seed-2': { 560: '3b8dcde4', 1200: '27becabd', 2160: '12d7e520' },
  'bell-seed-3': { 560: '195b8aaa', 1200: 'a19e1a90', 2160: '2d767a64' }
}

const TIERS = [
  [560, '47 年（4 个十年）'],
  [1200, '100 年'],
  [2160, '180 年']
] as const

describe('金钟罩 · 长跑确定性指纹（三档：47/100/180 年）', () => {
  for (const [seed, tiers] of Object.entries(GOLDEN)) {
    for (const [months, label] of TIERS) {
      it(`${seed} ${label}指纹 === ${tiers[months]}`, () => {
        const w = run(seed, months)
        expect(stateFingerprint(w.state)).toBe(tiers[months])
      })
    }
  }

  it('同 seed 两次长跑指纹一致（无状态污染）', () => {
    const a = stateFingerprint(longRun('bell-seed-1').state)
    const b = stateFingerprint(longRun('bell-seed-1').state)
    expect(a).toBe(b)
  })
})

function run(seed: string, months: number): ReturnType<typeof longRun> {
  const w = World.create({ seed, surname: '钟', familyName: '钟家', motto: 'm', difficulty: 'normal' })
  for (let i = 0; i < months; i++) {
    if (w.state.gameOver) break
    w.advanceMonth()
  }
  return w
}