import { describe, expect, it } from 'vitest'
import { World } from '../src/renderer/game/engine/runtime/World'
import { combatPowerOf, resolveEncounter, resolveRaid, rollWarbooty } from '../src/renderer/game/engine/runtime/Systems/combat'
import { ENEMIES } from '../src/renderer/game/data/secrets'
import { sendMission, recallAll } from '../src/renderer/game/engine/runtime/Systems/missions'
import { missionById } from '../src/renderer/game/data/secrets'
import { anyNpc } from './world.helpers'
import { resetSaveBus, attachLogSink } from './world.helpers'

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

describe('combat 战斗结算', () => {
  it('战力复数化：高装备>低装备，闭关者加成累计', () => {
    const w = baseWorld('cb-a')
    const c = w.state.members['x4']
    const p0 = combatPowerOf(w, c)
    w.state.family.inventory['weapon-qi'] = 3
    w.equip(c.id, 'weapon-qi')
    const p1 = combatPowerOf(w, c)
    expect(p1).toBeGreaterThan(p0)
    c.techniqueRank = 2
    expect(combatPowerOf(w, c)).toBeGreaterThan(p1)
  })

  it('重伤员战力折减（health 因子）', () => {
    const w = baseWorld('cb-b')
    const c = w.state.members['x3']
    const p0 = combatPowerOf(w, c)
    c.health = 20
    const p1 = combatPowerOf(w, c)
    expect(p1).toBeLessThan(p0)
    expect(p1).toBeGreaterThan(p0 * 0.3)
  })

  it('家族战力随供奉职事提升', () => {
    const w = baseWorld('cb-c')
    const before = w.familyPower()
    w.assignPost('x3', 'guardian')
    w.assignPost('x4', 'guardian')
    expect(w.familyPower()).toBeGreaterThan(before)
  })

  it('遭遇战必胜路径产出战利并写入战报', () => {
    const w = baseWorld('cb-d')
    const c = w.state.members['x4']
    c.realm = { major: 'foundation', minor: 0 }
    c.health = 100
    const res = resolveEncounter(w, {
      title: '模拟遭遇',
      enemy: ENEMIES.find((e) => e.id === 'e-huiyuan')!,
      risk: 0.2,
      team: [c],
      kind: 'scout',
      year: w.state.year,
      month: w.state.month
    })
    expect(res.win).toBe(true)
    expect(res.loot).toBeTruthy()
    expect(w.state.battles.length).toBe(1)
    expect(w.state.battles[0].lines.length).toBeGreaterThan(2)
  })

  it('遭遇战必败路径全体重伤/损失且不崩塌', () => {
    const w = baseWorld('cb-e')
    const c = w.state.members['x3']
    c.realm = { major: 'mortal', minor: 0 }
    c.health = 50
    const res = resolveEncounter(w, {
      title: '必败模拟',
      enemy: ENEMIES.find((e) => e.id === 'e-kuangzun')!,
      risk: 1,
      team: [c],
      kind: 'scout',
      year: w.state.year,
      month: w.state.month
    })
    expect(res.win).toBe(false)
    expect(c.health).toBeLessThanOrEqual(50)
    expect(w.state.battles[w.state.battles.length - 1].winner).toBe('enemy')
  })

  it('raid 后关系变化方向正确', () => {
    const w = baseWorld('cb-f')
    const npc = w.state.npcFamilies[anyNpc(w, ['n-nulei'])]
    npc.relation = -60
    const npcId = anyNpc(w, ['n-nulei'])
    const pre = npc.power
    const team = [w.state.members['x4']]
    team[0].realm = { major: 'core', minor: 0 }
    const res = resolveRaid(w, npcId, team)
    if (res.win) {
      expect(npc.relation).toBeGreaterThan(-60)
    } else {
      expect(npc.relation).toBeLessThan(-60)
      expect(w.state.family.stones).toBeLessThanOrEqual(1000)
    }
    void pre
  })

  it('rollWarbooty 概率性产物写入库存或功法阁', () => {
    const w = baseWorld('cb-g')
    const loot = rollWarbooty(w, {
      resources: { lingcao: [5, 5] },
      artifactChance: 1,
      techniqueChance: 1
    })
    expect(loot.lingcao).toBe(5)
    const arti = Object.keys(loot).find((k) => k.startsWith('weapon'))
    expect(arti).toBeTruthy()
    expect(w.state.family.techniques.length).toBeGreaterThan(2)
  })

  it('战斗人数攻击力线性叠加（阵型抖动内保持单调）', () => {
    const w = baseWorld('cb-h')
    const a = w.state.members['x3']
    const b = w.state.members['x4']
    const solo = combatPowerOf(w, a)
    const duo = combatPowerOf(w, a) + combatPowerOf(w, b)
    expect(duo).toBeGreaterThan(solo)
  })
})

describe('missions 探索任务', () => {
  it('派遣属性校验：人数不足/重复派遣/并发上限', () => {
    const w = baseWorld('ms-a')
    expect(sendMission(w, 'm-guzhan', ['x1'])).toBe(false) // 不足 min 2
    expect(sendMission(w, 'm-guzhan', ['x3', 'x4'])).toBe(true)
    expect(sendMission(w, 'm-guzhan', ['x4', 'x5'])).toBe(false) // x4 已在途
    expect(sendMission(w, 'm-anmoku', ['x4'])).toBe(false) // 在职者二次征召被拒
  })

  it('队伍出发后成员状态为出探，无法再被派', () => {
    const w = baseWorld('ms-b')
    sendMission(w, 'm-anmoku', ['x3'])
    expect(w.state.members['x3'].state).toBe('expedition')
    expect(sendMission(w, 'm-anmoku', ['x3', 'x5'])).toBe(false)
  })

  it('任务按期推进并最终完成，战利入库且状态归位', () => {
    const w = baseWorld('ms-c')
    const c = w.state.members['x5']
    c.realm = { major: 'qi', minor: 5 } // 保证能打
    const squad = [c, w.state.members['x3']]
    sendMission(w, 'm-anmoku', squad.map((x) => x.id))
    const m = w.state.missions[0]
    let guard = 0
    while (!m.done && guard < 40) {
      if (w.state.gameOver) break
      w.advanceMonth()
      guard++
    }
    expect(m.done).toBe(true)
    expect(['success', 'retreat', 'disband']).toContain(m.result)
    // 若成功则状态归位闲居
    if (m.result === 'success') {
      expect(w.state.members['x3'].state).not.toBe('expedition')
      expect(w.state.members['x5'].state).not.toBe('expedition')
    }
  })

  it('召回立刻释放队员', () => {
    const w = baseWorld('ms-d')
    sendMission(w, 'm-anmoku', ['x3'])
    const m = w.state.missions[0]
    recallAll(w, m.id)
    expect(m.done).toBe(true)
    expect(w.state.members['x3'].state).toBe('idle')
  })

  it('全员告急：队员尽亡任务仍完成不挂死（保护）', () => {
    const w = baseWorld('ms-e')
    sendMission(w, 'm-anmoku', ['x3'])
    const m = w.state.missions[0]
    w.state.members['x3'].alive = false
    w.state.members['x3'].deathYear = w.state.year
    w.advanceMonth()
    expect(m.done).toBe(true)
  })

  it('秘境阶段索引不会越界', () => {
    const w = baseWorld('ms-f')
    const def = missionById('m-anmoku')
    const c = w.state.members['x5']
    c.realm = { major: 'foundation', minor: 0 }
    sendMission(w, 'm-anmoku', [c.id])
    const m = w.state.missions[0]
    let guard = 0
    while (!m.done && guard < 60) {
      w.advanceMonth()
      guard++
      if (m.stage >= def.stages.length + 1 && !m.done) {
        // 不允许无限加厚
        break
      }
    }
    expect(m.stage).toBeLessThanOrEqual(def.stages.length)
  })
})