import { World } from '../world'
import { MAJORS } from '../../data/realms'
import { calcLifespan } from '../pcgen'

export function lifespanOf(w: World, c: { realm: { major: keyof typeof MAJORS }; physique: number }): number {
  return calcLifespan(c.realm.major, c.physique)
}

export function deathTick(w: World): void {
  for (const c of Object.values(w.state.members)) {
    if (!c.alive) continue
    const age = w.ageOf(c)
    const span = lifespanOf(w, c)
    const softCap = span * 0.85
    let p = 0
    if (age >= span) p = 0.35
    else if (age >= softCap) {
      const t = (age - softCap) / (span - softCap)
      p = Math.min(0.3, Math.pow(t, 5) * 0.9)
    }
    if (c.health < 30) p += 0.18
    if (age < 2) p = Math.max(p, 0.02)
    if (p > 0 && w.rng.chance(p)) {
      c.alive = false
      c.deathYear = w.state.year
      const cause = age < 2 ? '幼夭' : c.health < 30 ? '伤势不治' : '寿元将尽'
      c.deathCause = cause
      w.state.yearStats.deaths += 1
      w.chronicle('death', `${c.name} 辞世，年 ${age}。${age < 2 ? '族人无不痛惜。' : c.health < 30 ? '临终前仍在牵挂家族。' : '族人焚香送别。'}`, c.id, true)
      w.log('bad', `${c.name}（${age}岁）${cause}。`)
    }
  }
}

export function woundHealTick(w: World): void {
  for (const c of Object.values(w.state.members)) {
    if (!c.alive) continue
    if (c.state === 'wounded') {
      c.health = Math.min(100, c.health + 12 + c.physique)
      if (c.health >= 95) {
        c.state = 'idle'
        w.log('info', `${c.name} 伤势痊愈。`)
      }
    } else if (c.health < 100) {
      c.health = Math.min(100, c.health + 2 + c.physique * 0.5)
    }
  }
}