import { describe, expect, it } from 'vitest'
import { World } from '../src/renderer/game/engine/runtime/World'
import { modParse, modParseAll } from '../src/renderer/game/engine/runtime/modSchema'
import { modToPlugin } from '../src/renderer/game/engine/runtime/modManager'
import { examplePlugin } from '../src/renderer/game/engine/runtime/demo-plugins'
import { eventRoll, findEvent } from '../src/renderer/game/engine/runtime/Systems/events'

function mk(seed: string): World {
  return World.create({ seed, surname: '钟', familyName: '钟家', motto: 'm', difficulty: 'normal' })
}

describe('0.1.29 续命·审计歼灭', () => {
  it('P0-A 人口曲线：28 年后出生持续且稳定 ≤26 人（178 年样本）', () => {
    const w = mk('pop-x1')
    const t0 = Date.now()
    for (let i = 0; i < 2200; i++) {
      if (w.state.gameOver) break
      w.advanceMonth()
      while (w.state.pendingEvent) w.applyEventChoice(w.state.pendingEvent, 0)
    }
    const alive = Object.values(w.state.members).filter((c) => c.alive)
    expect(alive.length).toBeLessThanOrEqual(28)
    const gens = new Set(alive.map((c) => c.generation))
    expect(gens.size).toBeGreaterThanOrEqual(2)
    expect(Date.now() - t0).toBeLessThan(60000)
  })

  it('P1-B legacypass 年锚：同一年至多触发一次', () => {
    const w = mk('lp-x1')
    let fired = 0
    for (let i = 0; i < 40; i++) {
      w.advanceMonth()
      if (w.state.pendingEvent === 'ev-legacypass') {
        fired++
        w.applyEventChoice(w.state.pendingEvent, 0)
      }
    }
    expect(fired).toBeLessThanOrEqual(1)
    // 40 月跨 4 年；y%8==4 年只有 1 个 → ≤1 次
  })

  it('P1-C 敌强度：相对化公式上界 2.6（不再 1.8 封顶撞维）', () => {
    // 公式：min(2.6, max(0.5, 0.35 + rel*0.55))——rel 大时趋近 2.6，小值向下限 0.5
    const relBig = 900 / 60
    const strength = Math.min(2.6, Math.max(0.5, 0.35 + relBig * 0.55))
    expect(strength).toBeCloseTo(2.6)
    const relSmall = 60 / 6000
    const weak = Math.min(2.6, Math.max(0.5, 0.35 + relSmall * 0.55))
    expect(weak).toBeCloseTo(0.5)
  })

  it('P1-O bundle 全量：导出 2 包 → 解析全部 → 逐装成功', () => {
    const w = mk('bt-x1')
    const p1 = modParse(JSON.stringify({ id: 'bt-a', name: 'a', version: '1', data: {} }))
    const p2 = modParse(JSON.stringify({ id: 'bt-b', name: 'b', version: '1', data: {} }))
    if (!p1.ok || !p2.ok) return expect(false).toBe(true)
    w.installPlugin(modToPlugin(p1.pack))
    w.installPlugin(modToPlugin(p2.pack))
    const txt = w.exportModBundle()!
    const all = modParseAll(txt)
    expect(all.length).toBe(2)
    const w2 = mk('bt-x2')
    for (const p of all) w2.installPlugin(modToPlugin(p))
    expect(w2.pluginList().filter((p) => p.id.startsWith('mod-bt-')).length).toBe(2)
  })

  it('P1-V 异常回滚：install 中途炸 → 池/卡全摘', () => {
    const w = mk('crash-x1')
    const bad = { ...examplePlugin, id: 'crash-pl', install(ctx: never) { void ctx; throw new Error('boom') } }
    const r = w.installPlugin(bad as never)
    expect(r.ok).toBe(false)
    expect(w.eventPoolIds().includes('crash-pl')).toBe(false)
  })

  it('P2 灾因 brief：MOD 灾因带文案进 descOf', async () => {
    const { addCalamity, calamityDescOf } = await import('../src/renderer/game/engine/sim/worldsim-data')
    addCalamity('剑灾章', { brief: '剑气纵横，生灵涂炭。', family: { lingcao: 0.8 } })
    expect(calamityDescOf('剑灾章')).toContain('剑气纵横')
  })
})