import { describe, expect, it } from 'vitest'
import { World } from '../src/renderer/game/engine/runtime/World'
import { GameFacade } from '../src/renderer/game/engine/runtime/ApiFacade'
import { installCoreSystems, buildClock } from '../src/renderer/game/engine/runtime/clocks'
import { emptyClock } from '../src/renderer/game/engine/runtime/clocks'
import { CORE_PLUGINS } from '../src/renderer/game/engine/runtime/plugin-bootstrap'
import { examplePlugin, brokenPlugin } from './helpers/examplePlugin'
import { stateFingerprint, longRun } from './fingerprint.helper'
import { findEvent } from '../src/renderer/game/engine/runtime/Systems/events'
import { resetSaveBus, attachLogSink } from './world.helpers'

function baseWorld(seed: string): World {
  const w = World.create({ seed, surname: '夏', familyName: '夏家', motto: 'm', difficulty: 'normal' })
  resetSaveBus()
  attachLogSink(w)
  return w
}

describe('PluginCore 插件协议', () => {
  it('内置三插件常驻且受保护', () => {
    const w = baseWorld('pl-a')
    const list = w.pluginList()
    expect(list.length).toBe(3)
    for (const p of list) {
      expect(p.installed).toBe(true)
      expect(p.enabled).toBe(true)
      expect(p.protected).toBe(true)
    }
    const ids = list.map((p) => p.id)
    expect(ids).toContain('core-systems')
    expect(ids).toContain('core-data')
    expect(ids).toContain('core-events')
  })

  it('核心插件不可卸载（保护）', () => {
    const w = baseWorld('pl-b')
    const r = w.removePlugin('core-systems')
    expect(r.ok).toBe(false)
  })

  it('依赖缺失拒绝安装；依赖满足则放行', () => {
    const w = baseWorld('pl-c')
    expect(w.installPlugin(brokenPlugin).ok).toBe(false)
    expect(w.installPlugin(examplePlugin).ok).toBe(true)
    expect(w.pluginList().length).toBe(4)
  })

  it('示例安装后：消息池注入生效 + 山神庇佑加值；卸载后两清', () => {
    const w = baseWorld('pl-d')
    w.installPlugin(examplePlugin)
    expect(w.eventPoolIds()).toContain('demo-peaks')
    const x5 = w.state.members['x5']
    x5.realm = { major: 'qi', minor: 1 }
    const p0 = x5.realmProgress
    // 推进到跨年触发年首庇佑
    for (let i = 0; i < 13; i++) w.advanceMonth()
    expect(x5.realmProgress).toBeGreaterThan(p0)
    // 事件注入可被解析（findEvent 命中 demo 池 = 注入生效；确定性校验不赌概率）
    expect(findEvent('ev-demo-guardian', w)).toBeTruthy()
    // 卸载
    expect(w.removePlugin('demo-peaks').ok).toBe(true)
    expect(w.eventPoolIds()).not.toContain('demo-peaks')
    expect(w.pluginList().length).toBe(3)
  })

  it('remove 后时钟钩子计数恢复（真摘钩）', () => {
    const w = baseWorld('pl-e')
    const before = w.clock.subscriptionCount()
    w.installPlugin(examplePlugin)
    const mounted = w.clock.subscriptionCount()
    expect(mounted).toBe(before + 1)
    w.removePlugin('demo-peaks')
    expect(w.clock.subscriptionCount()).toBe(before)
  })

  it('安装序确定性：同版本两次世界插件列表一致', () => {
    const a = baseWorld('pl-f')
    const b = baseWorld('pl-f')
    expect(JSON.stringify(a.pluginList())).toBe(JSON.stringify(b.pluginList()))
  })

  it('默认管线金钟罩不受插件层影响', () => {
    expect(stateFingerprint(longRun('bell-seed-1').state)).toBe('9531969e')
    expect(stateFingerprint(longRun('bell-seed-2').state)).toBe('f2ecc3e1')
    expect(stateFingerprint(longRun('bell-seed-3').state)).toBe('aeefac96')
  })

  it('facade 插件查询与 about.plugins', () => {
    const w = baseWorld('pl-g')
    const f = new GameFacade(w, 1)
    const pl = f.query('plugins') as { list: { id: string }[] }
    expect(pl.list.length).toBe(3)
    expect(f.about().plugins).toBe(3)
  })

  it('订阅可捕获 plugin 生命周期事件', () => {
    const w = baseWorld('pl-h')
    const f = new GameFacade(w, 1)
    const events: string[] = []
    const unsub = f.subscribe((e) => {
      if (e.type === 'plugin') events.push((e as { action: string }).action)
    })
    w.installPlugin(examplePlugin)
    w.removePlugin('demo-peaks')
    expect(events).toContain('install')
    expect(events).toContain('remove')
    unsub()
  })

  it('buildClock 兼容路径仍完整注册（测试/工具用）', () => {
    const clock = buildClock()
    expect(clock.subscriptionCount()).toBeGreaterThanOrEqual(10)
    const empty = emptyClock()
    expect(empty.subscriptionCount()).toBe(0)
    void installCoreSystems
  })
})