import { describe, expect, it } from 'vitest'
import { World } from '../src/renderer/game/engine/runtime/World'
import { WorldSim } from '../src/renderer/game/engine/sim/WorldSim'
import { WorldSimState, ERA_CONF, REGION_TIDE } from '../src/renderer/game/engine/sim/worldsim-data'
import { stateFingerprint } from './fingerprint.helper'

function worldMid(seed: string): World {
  const w = World.create({ seed, surname: '澹', familyName: '澹台家', motto: 'm', difficulty: 'normal' })
  for (let i = 0; i < 360; i++) w.advanceMonth()
  return w
}

describe('0.1.21 大势流转', () => {
  it('era 转移有延续档（窗口内可续任：flow 权重和 < 1）', () => {
    for (const k of Object.keys(ERA_CONF) as Array<keyof typeof ERA_CONF>) {
      const sum = ERA_CONF[k].flow.reduce((a, [, wgt]) => a + wgt, 0)
      expect(sum).toBeLessThan(1)
    }
  })

  it('世界温度：景气高涨 → 向盛世转移权重提升（双向闭环）', () => {
    const w = World.create({ seed: 't1', surname: '贺', familyName: '贺家', motto: 'm', difficulty: 'normal' })
    w.advanceMonth()
    const sim = new WorldSim(w)
    expect(sim.worldTemperature()).toBeGreaterThan(0.4)
    // 池压到高景气 → 温度高
    const ws = w.state.worldSim as WorldSimState
    ws.marketPool = { lingcao: 1200, lingkuang: 600, beastcore: 160, 'pill-qiyuan': 180, 'pill-ningyuan': 80 }
    expect(sim.worldTemperature()).toBeGreaterThan(1.5)
  })

  it('十年鉴入独立史表（worldAnnals），newsFeed 裁剪后仍留存', () => {
    const w = World.create({ seed: 't2', surname: '燕', familyName: '燕家', motto: 'm', difficulty: 'normal' })
    for (let i = 0; i < 480; i++) w.advanceMonth()
    const ws = w.state.worldSim as WorldSimState
    expect((ws.worldAnnals ?? []).length).toBeGreaterThanOrEqual(4)
    const feedEntries = ws.newsFeed.filter((r) => r.kind === 'annal').length
    expect(feedEntries).toBeLessThanOrEqual((ws.worldAnnals ?? []).length + 2)
    // 史表内容锚定
    const last = (ws.worldAnnals ?? []).pop()!
    expect(last.text).toContain('史官')
  })

  it('区域灵势表完整（4 家 × 4 era）', () => {
    for (const id of ['n-xuanying', 'n-danxin', 'n-sihai', 'n-nulei']) {
      const r = REGION_TIDE[id]
      expect(r).toBeTruthy()
      for (const e of ['shengshi', 'pingshi', 'luanshi', 'mofa'] as const) {
        expect(r[e]).toBeTypeOf('number')
      }
    }
  })

  it('灾年 NPC 互攻概率提高（W4 全环）', () => {
    const w = World.create({ seed: 't4', surname: '蓟', familyName: '蓟家', motto: 'm', difficulty: 'normal' })
    w.advanceMonth()
    const ws = w.state.worldSim as WorldSimState
    const before = (ws.npcDyn['n-nulei']?.relationsWithOthers?.['n-xuanying'] ?? 0)
    ws.calamity = '旱灾'
    ws.calamityLeft = 6
    expect(typeof before).toBe('number')
    // 灾年期间长跑不炸（60 月）
    for (let i = 0; i < 60; i++) {
      w.state.worldSim = ws as never
      w.state.month = 1
      w.state.year++
      w.advanceMonth()
    }
    expect(w.state).toBeTruthy()
  })

  it('新指纹敏感度：era 变动仍红（含 worldAnnals 之后）', () => {
    const w = worldMid('t5')
    const f1 = stateFingerprint(w.state)
    const ws = w.state.worldSim as WorldSimState
    ws.era = ws.era === 'mofa' ? 'shengshi' : 'mofa'
    const f2 = stateFingerprint(w.state)
    expect(f1).not.toBe(f2)
  })

  it('LogFeed 滑动窗语义（120 条上限的函数观点）', () => {
    const arr = Array.from({ length: 300 }, (_, i) => ({ id: i, kind: 'info' as const, text: String(i), year: 1, month: 1 }))
    const windowed = arr.slice(-120)
    expect(windowed.length).toBe(120)
    expect(windowed[0]!.id).toBe(180)
  })
})