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

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

const YEAR_CHECKS: Array<[string, number]> = [
  ['三年', 3], ['五年', 5], ['十年', 10], ['二十', 20], ['三十', 30], ['四十', 40], ['五十', 50], ['六十', 60], ['七十', 70], ['八十', 80]
]

describe('矩阵：轨道年度律法（10 年 × 3）', () => {
  it.each(YEAR_CHECKS)('%s：推进至 %d 年并验 3 项恒量', (label, years) => {
    const w = mk(`ry-${label}`)
    const target = years * 12
    for (let i = 0; i < target; i++) {
      if (w.state.gameOver) break
      w.advanceMonth()
    }
    expect(Number.isFinite(w.state.seq)).toBe(true)
    expect(Number.isFinite(w.state.family.generation)).toBe(true)
    expect(Array.isArray(w.state.completedEvents)).toBe(true)
  })
})

describe('矩阵：成员属性律法（seed × 成员）', () => {
  it.each(Array.from({ length: 10 }, (_, i) => [i * 3 + 1] as const))(
    'seed %d：五代内成员属性恒合法', (seed) => {
      const w = mk(`mem-${seed}`)
      for (let i = 0; i < 70; i++) w.advanceMonth()
      const members = Object.values(w.state.members)
      expect(members.length).toBeGreaterThan(0)
      for (const c of members) {
        expect(typeof c.name).toBe('string')
        expect(c.realm).toBeTruthy()
        expect(typeof c.realm.major).toBe('string')
        expect(typeof c.health).toBe('number')
        expect(typeof c.mind).toBe('number')
        expect(typeof c.perception).toBe('number')
      }
    })
})

describe('矩阵：时律（节季/时代/灾纪）', () => {
  it.each(Array.from({ length: 12 }, (_, i) => [i + 1] as const))(
    '月 %d：季节名称与色相合法', (month) => {
      expect(['spring', 'summer', 'autumn', 'winter']).toContain(seasonOf(month))
    })

  it.each([['平世'], ['乱世'], ['末法'], ['盛世']])('%s：时代名枚举在案', (era) => {
    const conf = ERA_CONF[era as keyof typeof ERA_CONF]
    if (conf) expect(conf.name.length).toBeGreaterThan(0)
  })
})

describe('矩阵：存档底线（seed × 槽位交互）', () => {
  it.each([
    ['甲', 'a'], ['乙', 'b'], ['丙', 'c'], ['丁', 'd']
  ] as const)('%s：worldGen 摘要存在且四件套齐', (label, seed) => {
    const w = mk(`sg-${label}-${seed}`)
    const g = w.state.worldGen
    expect(g).toBeTruthy()
    expect(g!.relations).toBeTruthy()
    expect(typeof g!.npcCount).toBe('number')
    expect(g!.npcs!.length).toBeGreaterThanOrEqual(4)
  })

  it.each([
    ['一代'], ['二代'], ['三代'], ['四代']
  ] as const)('%s：世代计数仅增', (label) => {
    const w = mk(`gn-${label}`)
    const g0 = w.state.family.generation
    for (let i = 0; i < 130; i++) w.advanceMonth()
    expect(w.state.family.generation).toBeGreaterThanOrEqual(g0)
  })
})

describe('矩阵：战斗与防御', () => {
  it.each(Array.from({ length: 8 }, (_, i) => [i * 41 + 9] as const))(
    'seed %d：组建小队战力聚合为正', (seed) => {
      const w = mk(`st-${seed}`)
      const team = Object.values(w.state.members).slice(0, 4)
      for (const c of team) {
        expect(combatPowerOf(w, c)).toBeGreaterThan(0)
      }
    })

  it.each([
    ['无备'], ['备战'], ['强备']
  ] as const)('%s：防御战（raid）发生不炸', (label) => {
    const w = mk(`rd-${label}`)
    for (let i = 0; i < 60; i++) {
      w.advanceMonth()
      let g = 0
      while (w.state.pendingEvent && g < 4) { w.applyEventChoice(w.state.pendingEvent, 0); g++ }
    }
    expect(w.state).toBeTruthy()
  })
})