import { describe, expect, it } from "vitest";

import {

  classifyAgentMessage,

  buildFocus,

  buildSkillCatalog,

  buildToolTrace,

  inferLifecycleStage,

  canEnterPlay,

} from "../src/server/agent-view.js";

import { createSession } from "../src/runtime/phase-machine.js";



describe("classifyAgentMessage", () => {

  it("parses orchestrator decisions", () => {

    const m = classifyAgentMessage("[总管] run_worker: 生成规则");

    expect(m.kind).toBe("orchestrator_decision");

    expect(m.body).toBe("生成规则");

  });



  it("parses agent tool calls", () => {

    const m = classifyAgentMessage("[总管 tool] invoke_worker: write-rules");

    expect(m.kind).toBe("agent_tool");

    expect(m.title).toContain("invoke_worker");

    expect(m.body).toBe("write-rules");

  });



  it("parses worker output", () => {

    const m = classifyAgentMessage("[Worker] write-rules 已完成\n\n### rules\n\n1. foo");

    expect(m.kind).toBe("worker_output");

    expect(m.actor).toBe("write-rules");

    expect(m.body).toContain("1. foo");

  });



  it("parses worker questions", () => {

    const m = classifyAgentMessage(

      "[Worker] setup-scenario 提问：\n- 请提供玩家人数",

    );

    expect(m.kind).toBe("worker_questions");

    expect(m.actor).toBe("setup-scenario");

    expect(m.body).toContain("请提供玩家人数");

  });



  it("falls back when worker question body is empty", () => {

    const m = classifyAgentMessage("Worker 提问：\n");

    expect(m.kind).toBe("worker_questions");

    expect(m.body).toContain("请补充当前步骤");

  });

});



describe("lifecycle", () => {

  it("infers design before startup completed", () => {

    const session = createSession();

    expect(inferLifecycleStage(session)).toBe("design");

    expect(canEnterPlay(session)).toBe(false);

  });



  it("infers play after startup completed", () => {

    const session = {

      ...createSession(),

      slots: { ...createSession().slots, startupCompleted: true },

    };

    expect(inferLifecycleStage(session)).toBe("play");

    expect(canEnterPlay(session)).toBe(true);

  });



  it("respects uiLifecycleStage override", () => {

    const session = {

      ...createSession(),

      slots: { ...createSession().slots, uiLifecycleStage: "play" },

    };

    expect(inferLifecycleStage(session)).toBe("play");

  });

});



describe("buildSkillCatalog", () => {

  it("lists design skills for world-simulator", () => {

    const session = createSession();

    const catalog = buildSkillCatalog(session, "world-simulator", "design");

    expect(catalog.length).toBeGreaterThan(0);

    expect(catalog.every((s) => s.stage === "design")).toBe(true);

    expect(catalog.some((s) => s.id === "interaction-paradigm")).toBe(true);

    expect(catalog[0].purpose.length).toBeGreaterThan(0);

  });



  it("marks intake active during intake wait", () => {

    const session = {

      ...createSession(),

      waitingReason: { kind: "intake" as const, prompt: "请填写" },

    };

    const catalog = buildSkillCatalog(session, "basic", "design");

    const intake = catalog.find((s) => s.id === "intake");

    expect(intake?.status).toBe("active");

  });

});



describe("buildToolTrace", () => {

  it("collects agent_tool messages since last user input", () => {

    const trace = buildToolTrace([

      {

        kind: "user_input",

        text: "hello",

        createdAt: "2026-01-01T00:00:00Z",

      },

      {

        kind: "agent_tool",

        text: "[总管 tool] read_blackboard: tags=3",

        createdAt: "2026-01-01T00:00:01Z",

      },

    ]);

    expect(trace).toHaveLength(1);

    expect(trace[0].name).toBe("read_blackboard");

  });

});



describe("buildFocus", () => {

  it("focuses user on input wait", () => {

    const session = {

      ...createSession(),

      phase: "waiting_user" as const,

      waitingReason: { kind: "input" as const, message: "请描述场景" },

    };

    const focus = buildFocus(session, session.waitingReason);

    expect(focus.actorType).toBe("user");

  });



  it("focuses user on worker questions", () => {

    const session = {

      ...createSession(),

      phase: "waiting_user" as const,

      waitingReason: {

        kind: "worker_questions" as const,

        workerId: "setup-scenario",

        questions: ["请提供玩家人数"],

      },

    };

    const focus = buildFocus(session, session.waitingReason);

    expect(focus.actorType).toBe("user");

    expect(focus.action).toContain("setup-scenario");

    expect(focus.detail).toContain("请提供玩家人数");

  });



  it("shows design burst when running in design lifecycle", () => {

    const session = {

      ...createSession(),

      phase: "running" as const,

    };

    const focus = buildFocus(session, undefined, undefined, "design");

    expect(focus.actorLabel).toBe("Agent");

    expect(focus.action).toContain("设计");

  });

});