import { describe, expect, it } from 'vitest'
import { World } from '../src/renderer/game/engine/world'
import { GameClock, PHASE_ORDER } from '../src/renderer/game/core/clock'
import { buildClock } from '../src/renderer/game/engine/clocks'
import { RngHub } from '../src/renderer/game/core/rng'
import { seasonOf, seasonMod, SEASON } from '../src/renderer/game/data/season'
import { yearAxis, decadeLabel } from '../src/renderer/game/core/yearaxis'
import { stateFingerprint } from './fingerprint.helper'
import { resetSaveBus, attachLogSink } from './world.helpers'

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

describe('GameClock 统一时轮', () => {
  it('七个 phase 全被注册且顺序固定', () => {
    const clock = buildClock()
    const clock2 = new GameClock()
    clock2.register('production', () => undefined)
    expect(clock.subscriptionCount()).toBeGreaterThanOrEqual(10)
    expect(PHASE_ORDER.length).toBe(7)
    expect(clock2.subscriptionCount()).toBe(1)
  })

  it('phase 注册后按序执行且消耗确定（同 seed 同指纹）', () => {
    const a = stateFingerprint(longRun('bell-seed-2').state)
    const b = stateFingerprint(longRun('bell-seed-2').state)
    expect(a).toBe(b)
  })

  it('stepMonthly 返回各 phase 耗时统计（性能预算通道）', () => {
    const w = baseWorld('clk-a')
    const report = w.clock.stepMonthly(w)
    expect(report.length).toBe(7)
    for (const r of report) {
      expect(PHASE_ORDER).toContain(r.phase)
      expect(typeof r.ms).toBe('number')
    }
  })

  it('年首钩子先于月度执行（族簿于当年首月前发出）', () => {
    const w = baseWorld('clk-b')
    const paperRec: number[] = []
    w.out.push({
      onLog: () => undefined,
      onChronicle: () => undefined,
      onBattle: () => undefined,
      onPendingEvent: () => undefined,
      onGameOver: () => undefined,
      onYearPaper: (r) => paperRec.push(r.year)
    })
    for (let i = 0; i < 14; i++) w.advanceMonth()
    expect(paperRec).toContain(1)
  })
})

describe('RngHub 统一随机收集', () => {
  it('播种为稳定格式且可重现（同 seed 同世界）', () => {
    const seed = RngHub.rollSeed()
    expect(seed.startsWith('seed-')).toBe(true)
    const a = stateFingerprint(longRun(seed).state)
    const b = stateFingerprint(longRun(seed).state)
    expect(a).toBe(b)
  })

  it('音频随机与引擎随机源完全隔离', () => {
    const w = baseWorld('rng-isolate')
    const before = w.rng.nextCount
    for (let i = 0; i < 100; i++) RngHub.audioNoise01()
    expect(w.rng.nextCount).toBe(before)
  })

  it('引擎随机计数器随推进增长（audit 可用）', () => {
    const w = baseWorld('rng-audit')
    const c0 = w.rng.nextCount
    for (let i = 0; i < 36; i++) w.advanceMonth()
    expect(w.rng.nextCount).toBeGreaterThan(c0 + 50)
  })
})

describe('season 时节', () => {
  it('四季映射正确', () => {
    expect(seasonOf(1)).toBe('spring')
    expect(seasonOf(4)).toBe('summer')
    expect(seasonOf(7)).toBe('autumn')
    expect(seasonOf(10)).toBe('winter')
    expect(seasonOf(12)).toBe('winter')
  })

  it('四季加成表方向正确', () => {
    expect(seasonMod(2, 'field')).toBeGreaterThan(0)
    expect(seasonMod(5, 'cult')).toBeGreaterThan(0)
    expect(seasonMod(8, 'market')).toBeGreaterThan(0)
    expect(seasonMod(11, 'meditation')).toBeGreaterThan(0)
    expect(seasonMod(5, 'field')).toBe(0)
  })

  it('春耕与冬闭实惠落地', () => {
    const w = baseWorld('season-a')
    // 春季灵田月产出高于 12 月
    w.state.family.buildings = { lingtian: 1 }
    w.state.month = 2
    w.advanceMonth()
    const springGain = (w.state.family.inventory['lingcao'] ?? 0) - 60
    const w2 = baseWorld('season-b')
    w2.state.family.buildings = { lingtian: 1 }
    w2.state.month = 11
    w2.advanceMonth()
    const winterGain = (w2.state.family.inventory['lingcao'] ?? 0) - 60
    expect(springGain).toBeGreaterThan(winterGain)
  })

  it('SEASON 表数据合法', () => {
    for (const s of Object.values(SEASON)) {
      expect(s.field).toBeGreaterThanOrEqual(0)
      expect(s.cult).toBeGreaterThanOrEqual(0)
      expect(s.market).toBeGreaterThanOrEqual(0)
      expect(s.meditation).toBeGreaterThanOrEqual(0)
    }
  })
})

describe('yearAxis 横轴年表', () => {
  it('十年一格聚合生/殇/大事', () => {
    const w = baseWorld('axis-a')
    w.chronicle('birth', '林小生', 'x3')
    w.chronicle('breakthrough', '林公突破至筑基。', 'x3', true)
    w.chronicle('death', '林公辞世。', 'x3', true)
    for (let i = 0; i < 30; i++) w.advanceMonth()
    const cells = yearAxis(w.state)
    expect(cells.length).toBeGreaterThan(0)
    const c1 = cells[0]
    expect(c1.births).toBeGreaterThanOrEqual(1)
    expect(c1.deaths).toBeGreaterThanOrEqual(1)
    expect(c1.events.some((e) => e.kind === '突破')).toBe(true)
  })

  it('decadeLabel 边界', () => {
    expect(decadeLabel(1, 10)).toBe('1-10年')
    expect(decadeLabel(11, 11)).toBe('11年')
  })

  it('跨十年事件分布正确', () => {
    const w = baseWorld('axis-b')
    w.state.year = 100
    for (let y = 1; y <= 100; y += 10) {
      w.state.chronicle.push({ id: 'ax' + y, year: y, month: 1, category: 'breakthrough', text: `第${y}年突破`, important: false })
    }
    const cells = yearAxis(w.state)
    expect(cells.length).toBe(10)
    // 头十年第一格
    expect(cells[0].events.length).toBe(1)
  })
})

function longRun(seed: string, months = 560): World {
  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
}