import { describe, it, expect } from 'vitest'
import { resolveMonsterArtSpec, MONSTER_ART_MAP, ACT_MONSTER_SPECS } from '../src/game/monster-mapping.ts'

describe('monster-mapping', () => {
  it('resolves standard Act 1 monsters', () => {
    expect(resolveMonsterArtSpec('fallen1')).toEqual({ token: 'FA', weapon: 'hth' })
    expect(resolveMonsterArtSpec('zombie1')).toEqual({ token: 'ZM', weapon: 'hth' })
    expect(resolveMonsterArtSpec('quillrat1')).toEqual({ token: 'SI', weapon: 'hth' })
    expect(resolveMonsterArtSpec('corruptrogue1')).toEqual({ token: 'CR', weapon: '1hs' })
    expect(resolveMonsterArtSpec('cr_archer1')).toEqual({ token: 'CR', weapon: 'bow' })
  })

  it('resolves numbered variants through exact or base lookup without prefix iteration order', () => {
    expect(resolveMonsterArtSpec('fallen3')?.token).toBe('FA')
    expect(resolveMonsterArtSpec('zombie5')?.token).toBe('ZM')
    expect(resolveMonsterArtSpec('quillrat6')?.token).toBe('SI')
    // Suffix with arbitrary letters must not prefix-match
    expect(resolveMonsterArtSpec('fallen_fake')).toBeNull()
  })

  it('resolves hellbovine to EC token instead of CW', () => {
    expect(resolveMonsterArtSpec('hellbovine')).toEqual({ token: 'EC', weapon: 'hth' })
    expect(MONSTER_ART_MAP.hellbovine).toEqual({ token: 'EC', weapon: 'hth' })
  })

  it('does not leak XX tokens or crash on cut monsters', () => {
    const cutMonsters = ['bloodmage1', 'darkguard1', 'lightningbeast', 'minion1', 'spiritmummy']
    for (const id of cutMonsters) {
      expect(resolveMonsterArtSpec(id)).toBeNull()
    }
  })

  it('ACT_MONSTER_SPECS does not contain any XX tokens in any act', () => {
    for (const [act, specs] of Object.entries(ACT_MONSTER_SPECS)) {
      for (const spec of specs) {
        expect(spec.token, `Act ${act} contains invalid token ${spec.token}`).not.toBe('XX')
      }
    }
  })

  it('returns null for unknown monsters', () => {
    expect(resolveMonsterArtSpec('non_existent_monster_xyz')).toBeNull()
  })
})