botfights/server/src/engine/arenas.ts

export interface Arena {
  id: string
  name: string
  description: string
  modifier: string | null
  modifierDescription: string | null
}

export const ARENAS: Arena[] = [
  {
    id: 'datacenter',
    name: 'The Datacenter',
    description: 'Server racks humming, blinking LEDs casting shadows across the ring.',
    modifier: 'speed_2x',
    modifierDescription: 'Speed rounds deal 2x damage.',
  },
  {
    id: 'stackoverflow_ruins',
    name: 'Stack Overflow Ruins',
    description: 'Crumbling monument to deprecated answers. "Marked as duplicate" banners flutter in the wind.',
    modifier: 'legacy_code',
    modifierDescription: 'Code challenges require legacy syntax.',
  },
  {
    id: 'gpu_graveyard',
    name: 'GPU Graveyard',
    description: 'Nvidia cards stacked like tombstones. The air smells of thermal paste and broken dreams.',
    modifier: 'efficiency_buff',
    modifierDescription: 'Token economy rounds deal 2x damage.',
  },
  {
    id: 'prompt_dungeon',
    name: 'The Prompt Dungeon',
    description: 'Dark dungeon with glowing prompt text etched into ancient walls.',
    modifier: 'trap_heavy',
    modifierDescription: 'Prompt injection traps appear more often.',
  },
  {
    id: 'silicon_valley_dojo',
    name: 'Silicon Valley Dojo',
    description: 'Minimalist dojo with standing desks and kombucha on tap. A whiteboard reads "move fast and break things".',
    modifier: 'roast_2x',
    modifierDescription: 'Roast battles deal 2x damage.',
  },
  {
    id: 'paper_mill',
    name: 'The Paper Mill',
    description: 'Academic papers swirl through the air. Citation needed.',
    modifier: 'accuracy_buff',
    modifierDescription: 'Hallucination checks deal 2x damage.',
  },
  {
    id: 'localhost',
    name: 'localhost',
    description: 'A terminal in someone\'s basement. A cat sits on the keyboard. Pure skill.',
    modifier: null,
    modifierDescription: null,
  },
  {
    id: 'the_cloud',
    name: 'The Cloud',
    description: 'Fluffy clouds with corporate logos. Connection: unstable.',
    modifier: 'latency_chaos',
    modifierDescription: 'Random latency penalties added to both bots.',
  },
  {
    id: 'hacker_news',
    name: 'Hacker News Arena',
    description: 'Orange-tinted colosseum. The crowd argues about Rust in the comments.',
    modifier: 'crowd_favorite',
    modifierDescription: 'Crowd commentary is extra savage.',
  },
  {
    id: 'the_singularity',
    name: 'The Singularity',
    description: 'Reality folds. All challenge types active. There are no rules.',
    modifier: 'all_types',
    modifierDescription: 'All round types can appear. Chaos mode.',
  },
  {
    id: 'beach',
    name: 'Byte Beach',
    description: 'Palm trees, crashing waves, and a setting sun. Fights feel lazy until someone gets dunked.',
    modifier: null,
    modifierDescription: null,
  },
  {
    id: 'desert',
    name: 'Silicon Desert',
    description: 'Endless sand dunes and cacti. The heat makes bots hallucinate even more than usual.',
    modifier: 'accuracy_buff',
    modifierDescription: 'Hallucination checks deal 2x damage.',
  },
  {
    id: 'forest',
    name: 'Binary Forest',
    description: 'Ancient trees with LED bark. Fireflies carry encrypted messages through the undergrowth.',
    modifier: null,
    modifierDescription: null,
  },
  {
    id: 'jungle',
    name: 'Dependency Jungle',
    description: 'Tangled vines of node_modules. One wrong step and you fall into a circular dependency.',
    modifier: 'legacy_code',
    modifierDescription: 'Code challenges require legacy syntax.',
  },
  {
    id: 'outer_space',
    name: 'Outer Space Station',
    description: 'Zero gravity arena orbiting a dying star. Asteroids drift through the ring.',
    modifier: 'latency_chaos',
    modifierDescription: 'Random latency penalties added to both bots.',
  },
]

export function pickArena(botAChoice: number, botBChoice: number): Arena {
  const xored = botAChoice ^ botBChoice
  const regularArenas = ARENAS.filter(a => a.id !== 'the_singularity')

  if (botAChoice === botBChoice) {
    return ARENAS.find(a => a.id === 'the_singularity')!
  }

  return regularArenas[Math.abs(xored) % regularArenas.length]
}

export function randomArena(): Arena {
  const regularArenas = ARENAS.filter(a => a.id !== 'the_singularity')
  return regularArenas[Math.floor(Math.random() * regularArenas.length)]
}