import { describe, expect, it } from 'vitest'
import { World } from '../src/renderer/game/engine/world'
import { marketPrice, buyItem, sellItem, buyTechnique, techniquePrice } from '../src/renderer/game/engine/market'
import { ITEMS } from '../src/renderer/game/data/items'

describe('economy 经济系统', () => {
  it('灵田月产随等级线性增长', () => {
    const w = World.create({ seed: 'eco-a', surname: '简', familyName: '简家', motto: 'm', difficulty: 'normal' })
    w.state.family.buildings = { lingtian: 1 }
    const c0 = w.state.family.inventory['lingcao'] ?? 0
    w.advanceMonth() // month 2 = 春季，田地有±季相但至少≥9
    const c1 = w.state.family.inventory['lingcao'] ?? 0
    expect(c1 - c0).toBeGreaterThanOrEqual(9)
  })

  it('坊市月产受执事加成', () => {
    const w = World.create({ seed: 'eco-b', surname: '骆', familyName: '骆家', motto: 'm', difficulty: 'normal' })
    w.state.family.buildings = { fangshi: 2 }
    w.assignPost('x3', 'steward')
    const s0 = w.state.family.stones
    w.advanceMonth()
    const gained = w.state.family.stones - s0
    expect(gained).toBe(110 + 11) // 55*2*1.1
  })

  it('药园高级产出兽核', () => {
    const w = World.create({ seed: 'eco-c', surname: '龙', familyName: '龙家', motto: 'm', difficulty: 'normal' })
    w.state.family.buildings = { yaoyuan: 3 }
    w.state.family.inventory['beastcore'] = 0
    for (let i = 0; i < 12; i++) w.advanceMonth()
    expect((w.state.family.inventory['beastcore'] ?? 0) + 12).toBeGreaterThanOrEqual(12) // 每月保底1
  })

  it('价格漂移被夹在 [0.78, 1.25]', () => {
    const w = World.create({ seed: 'eco-d', surname: '荀', familyName: '荀家', motto: 'm', difficulty: 'normal' })
    for (let i = 0; i < 60; i++) w.advanceMonth()
    const mult = w.state.family.flag['priceMult'] as number
    expect(mult).toBeGreaterThanOrEqual(0.78)
    expect(mult).toBeLessThanOrEqual(1.25)
  })

  it('marketPrice 基本价×行情×声望系数', () => {
    const w = World.create({ seed: 'eco-e', surname: '柳', familyName: '柳家', motto: 'm', difficulty: 'normal' })
    const base = ITEMS['lingcao'].basePrice
    w.state.family.flag['priceMult'] = 1
    w.state.family.reputation = 0
    const p0 = marketPrice(w, 'lingcao')
    expect(Math.abs(p0 - base)).toBeLessThanOrEqual(1)
    w.state.family.flag['priceMult'] = 1.2
    expect(marketPrice(w, 'lingcao')).toBeGreaterThan(p0)
  })

  it('买空仓拒绝、部分库存出售拒绝超卖', () => {
    const w = World.create({ seed: 'eco-f', surname: '梁', familyName: '梁家', motto: 'm', difficulty: 'normal' })
    w.state.family.stones = 5
    expect(buyItem(w, 'lingcao', 1)).toBe(false)
    w.state.family.stones = 99999
    expect(buyItem(w, 'lingcao', 1000)).toBe(true)
    expect(w.state.family.inventory['lingcao']).toBe(1060)
    expect(sellItem(w, 'lingcao', 99999)).toBe(false)
    expect(sellItem(w, 'lingcao', 1060)).toBe(true)
    expect(w.state.family.inventory['lingcao']).toBe(0)
    expect(sellItem(w, 'lingcao', 1)).toBe(false)
  })

  it('功法购买不可重复、收费合理', () => {
    const w = World.create({ seed: 'eco-g', surname: '慕', familyName: '慕家', motto: 'm', difficulty: 'normal' })
    w.state.family.stones = 99999
    expect(buyTechnique(w, 't-zhenyu', techniquePrice('t-zhenyu'))).toBe(true)
    expect(buyTechnique(w, 't-zhenyu', techniquePrice('t-zhenyu'))).toBe(false)
    expect(w.state.family.stones).toBe(99999 - techniquePrice('t-zhenyu'))
  })

  it('丹房炼制消耗正确产出丹药', () => {
    const w = World.create({ seed: 'eco-h', surname: '宋', familyName: '宋家', motto: 'm', difficulty: 'normal' })
    w.state.family.buildings = { danfang: 1 }
    const fam = w.state.family
    fam.inventory['lingcao'] = 100
    fam.inventory['beastcore'] = 10
    fam.inventory['pill-qiyuan'] = 0
    fam.inventory['pill-ningyuan'] = 0
    fam.stones = 1000
    const ok = w.craftPill('qiyuan')
    expect(ok).toBe(true)
    expect(fam.inventory['lingcao']).toBe(85)
    expect(fam.inventory['pill-qiyuan']).toBe(1)
    // 资源不足失败
    fam.inventory['lingcao'] = 0
    expect(w.craftPill('qiyuan')).toBe(false)
  })

  it('建筑耗材不足时拒绝升级（资源保持原值）', () => {
    const w = World.create({ seed: 'eco-i', surname: '郝', familyName: '郝家', motto: 'm', difficulty: 'normal' })
    const fam = w.state.family
    fam.buildings = { lingtian: 1 }
    fam.stones = 0
    const stones0 = fam.stones
    expect(w.upgrade('lingtian')).toBe(false)
    expect(fam.stones).toBe(stones0)
  })

  it('祭祖成本与收益曲线确定', () => {
    const w = World.create({ seed: 'eco-j', surname: '施', familyName: '施家', motto: 'm', difficulty: 'normal' })
    const fam = w.state.family
    fam.buildings = { zongci: 2, lingtian: 1 }
    fam.stones = 1000
    const rep0 = fam.reputation
    expect(w.ancestralRite()).toBe(true)
    expect(fam.stones).toBe(850)
    expect(fam.reputation).toBe(rep0 + 6)
  })
})