wip: replace packages with pure files

packages/game/Session.ts

@@ -0,0 +1,67 @@
+import { FileGraph, IFileNode } from '../../packages/file-graph'
+import { Quest } from './Quest'
+import {
+  IQuest,
+  ICommand,
+  ISession,
+  IFileExistenceChecker,
+  IResponse,
+  ITask,
+} from './schema'
+
+export class GameSession {
+  private completed: string[] = []
+  private quest: Quest
+  private graph: FileGraph
+
+  constructor(
+    { completedEvents, graph }: Partial<ISession>,
+    quest: IQuest,
+    checker: IFileExistenceChecker
+  ) {
+    this.completed = completedEvents || []
+    this.quest = new Quest(quest, checker)
+    this.graph = new FileGraph(
+      graph ?? { path: '/', type: 'directory', discovered: false }
+    )
+  }
+
+  get completedEvents() {
+    return this.completed
+  }
+
+  complete(stageId: string) {
+    this.completed.push(stageId)
+  }
+
+  getActiveStages(): string[] {
+    return this.quest.getActiveStages(this.completed).map((stage) => stage.id)
+  }
+
+  async runCommand(command: ICommand) {
+    if (command.params) {
+      this.graph.handleEvent(command.params)
+    }
+    const stageId = await this.quest.findSatisfiedEvent(command, this.completed)
+    if (stageId) {
+      this.complete(stageId)
+    }
+    return stageId
+  }
+
+  isFinished() {
+    return this.getActiveStages().length === 0
+  }
+
+  getResponses(): IResponse[] {
+    return this.quest.getResponses(this.completed)
+  }
+
+  getTasks(): ITask[] {
+    return this.quest.getTasks(this.completed)
+  }
+
+  getGraph(): IFileNode {
+    return this.graph
+  }
+}