/**

• Skill: Return to a saved home position.
• Dispatches minecraft_go_to to the MCP server using the stored home
• coordinates. If no home is set, the skill fails gracefully. */

import type { MinecraftSkill, Position, SkillContext, SkillResult } from "../types.ts"; import type { MinecraftRuntime } from "../minecraftRuntime.ts";

export class ReturnHomeSkill implements MinecraftSkill { readonly name = "return_home"; readonly description = "Pathfind back to a saved home position.";

private readonly runtime: MinecraftRuntime; private readonly home: Position | null; private readonly range: number; private interrupted = false;

constructor(runtime: MinecraftRuntime, home: Position | null, range = 2) { this.runtime = runtime; this.home = home; this.range = range; }

checkPreconditions(): { ok: boolean; reason?: string } { if (!this.home) return { ok: false, reason: "No home position set." }; return { ok: true }; }

async execute(context: SkillContext): Promise { if (context.signal.aborted || this.interrupted) { return { status: "interrupted", summary: "Skill interrupted before execution.", retries: 0 }; }

if (!this.home) {
  return { status: "failed", summary: "No home position set.", retries: 0 };
}

try {
  context.onProgress?.(`Returning home to ${this.home.x}, ${this.home.y}, ${this.home.z}...`);
  const result = await this.runtime.goTo(this.home.x, this.home.y, this.home.z, this.range, context.signal);
  if (!result.ok) {
    return { status: "failed", summary: result.error || "Go-to command rejected.", retries: 0 };
  }
  return {
    status: "succeeded",
    summary: `Pathfinding to home (${this.home.x}, ${this.home.y}, ${this.home.z}).`,
    retries: 0
  };
} catch (error) {
  return {
    status: "failed",
    summary: error instanceof Error ? error.message : String(error),
    retries: 0
  };
}

}

interrupt(_reason: string): void { this.interrupted = true; }

getStatus(): string { if (!this.home) return "return home (no home set)"; return this.interrupted ? return home (interrupted) : returning to ${this.home.x}, ${this.home.y}, ${this.home.z}; } }