import { describe, expect, it } from 'vitest'
import { stateFingerprint, longRun } from './fingerprint.helper'
import { World } from '../src/renderer/game/engine/runtime/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。
 */
// 0.1.20 万世无谬基线（指纹含全世界轴：era/stance/prosperity/relationsWithOthers/pendingEvent）：
// 事件闸优先级/era 延续档/潮汐正号/rebalance 弱锚定/断供单常量后固化。
const GOLDEN: Record<string, Record<number, string>> = {
  'bell-seed-1': { 560: '3b784f49', 1200: 'b62fada2', 2160: '999782cc' },
  'bell-seed-2': { 560: '0f73bffb', 1200: '454eedc9', 2160: '426c967f' },
  'bell-seed-3': { 560: '0bf7ec62', 1200: '06cf0213', 2160: '51feb3ee' }
}

/** 第二金钟罩：自动 resolve 长跑（"现实"世界——每 tick 处理待决事件；
 * 锁事件闸/事件流全程，防"冻结世界"指纹漏锁）。 */
const GOLDEN_RESOLVED: Record<string, Record<number, string>> = {
  'bell-seed-1': { 560: 'b28b99f9', 1200: 'ffd53c37', 2160: 'd7eadca0' },
  'bell-seed-2': { 560: 'c712ad0f', 1200: '2304c1c4', 2160: '76519353' },
  'bell-seed-3': { 560: '6878460d', 1200: '6633cdde', 2160: 'f285188f' }
}

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
}