import { describe, expect, it } from 'vitest'
import { World } from '../src/renderer/game/engine/runtime/World'
import { ERA_CONF, WorldSimState } from '../src/renderer/game/engine/sim/worldsim-data'
import { combatPowerOf } from '../src/renderer/game/engine/runtime/Systems/combat'

describe('0.1.18 时代绘卷', () => {
  it('世纪弧状态机恒定在四态内且会转移', () => {
    const w = World.create({ seed: 'era-1', surname: '姜', familyName: '姜家', motto: 'm', difficulty: 'normal' })
    let seen = new Set<string>()
    let lastEra = ''
    for (let i = 0; i < 2400; i++) {
      if (w.state.gameOver) break
      w.advanceMonth()
      const ws = w.state.worldSim as WorldSimState
      const e = ws.era ?? 'pingshi'
      expect(Object.keys(ERA_CONF)).toContain(e)
      if (e !== lastEra) {
        seen.add(e)
        lastEra = e
      }
    }
    expect(seen.size).toBeGreaterThanOrEqual(2) // 200 年内至少转移过一次
  })

  it('NPC 景气存在且随断供/灾年受挫（值域 8~100）', () => {
    const w = World.create({ seed: 'era-2', surname: '路', familyName: '路家', motto: 'm', difficulty: 'normal' })
    for (let i = 0; i < 600; i++) w.advanceMonth()
    const dyns = (w.state.worldSim as WorldSimState).npcDyn
    for (const d of Object.values(dyns)) {
      expect(d.prosperity).toBeGreaterThanOrEqual(8)
      expect(d.prosperity).toBeLessThanOrEqual(100)
    }
  })

  it('十年鉴每十年一条史官快讯', () => {
    const w = World.create({ seed: 'era-3', surname: '柴', familyName: '柴家', motto: 'm', difficulty: 'normal' })
    for (let i = 0; i < 1200; i++) w.advanceMonth()
    const news = (w.state.worldSim as WorldSimState).newsFeed
    const annals = news.filter((r) => r.kind === 'annal' && r.text.includes('史官'))
    expect(annals.length).toBeGreaterThanOrEqual(3)
  })

  it('玩家战力排位随局势变化（群雄谱输入有效）', () => {
    const w = World.create({ seed: 'era-4', surname: '宋', familyName: '宋家', motto: 'm', difficulty: 'normal' })
    for (let i = 0; i < 120; i++) w.advanceMonth()
    const myPower = w.aliveMembers().reduce((a, c) => a + combatPowerOf(w, c), 0)
    expect(myPower).toBeGreaterThan(0)
  })

  it('灾年时秘境恢复减半（灵脉闭锁）', () => {
    const w = World.create({ seed: 'era-5', surname: '吕', familyName: '吕家', motto: 'm', difficulty: 'normal' })
    w.advanceMonth() // 先实例化 worldSim（secretQi 各处 50）
    const ws = w.state.worldSim as WorldSimState
    if (!ws) throw new Error('worldSim 未初始化')
    // 钉死灾年后观察恢复量（此时灵气从 50 起，减值格 >70 规则不触发）
    ws.calamity = '旱灾'
    ws.calamityLeft = 3
    const before = ws.secretQi['m-anmoku'] ?? 50
    w.advanceMonth()
    const after = (w.state.worldSim as WorldSimState).secretQi['m-anmoku'] ?? 0
    expect(after - before).toBeLessThanOrEqual(3) // 灾年恢复 0.5x=1~2.5 上限
  })
})