import type { GameData, SceneNode } from '../types'

export class SceneManager {
  private scenes: Record<string, SceneNode> = {}
  private startScene: string = ''

  load(data: GameData) {
    this.scenes = data.scenes
    this.startScene = data.startScene
  }

  getScene(id: string): SceneNode | undefined {
    return this.scenes[id]
  }

  getStartScene(): SceneNode {
    const scene = this.scenes[this.startScene]
    if (!scene) throw new Error(`Start scene "${this.startScene}" not found`)
    return scene
  }

  getAllSceneIds(): string[] {
    return Object.keys(this.scenes)
  }
}