import { describe, expect, it } from "vitest";
import { runGroup } from "~/api/agent.ts";
import { agentListHref, agentRunHref, groupFromSearch, resolveGroup, revealScrollTop } from "./agent-nav.ts";
import { isAgentPage, outletKey } from "./agent-store.ts";

// 智能体页面切换的状态逻辑:整页重挂载 key、分栏与 URL、草稿、滚动策略、快捷键在智能体页面的行为。

describe("主内容区重挂载 key", () => {
  it("列表页与各会话页共用一个 key,切换会话不重挂载", () => {
    expect(outletKey("/console/agent")).toBe("/console/agent");
    expect(outletKey("/console/agent/0b1c")).toBe("/console/agent");
    expect(outletKey("/console/agent/9f2e")).toBe(outletKey("/console/agent/0b1c"));
  });
  it("其它页面仍按路径重挂载", () => {
    expect(outletKey("/console/library")).toBe("/console/library");
    expect(outletKey("/console/agents-x")).toBe("/console/agents-x");
    expect(isAgentPage("/console/agentx")).toBe(false);
  });
});

describe("分栏:对话 / 自动巡检", () => {
  it("会话所在分栏:巡检 / 事件在自动巡检,子会话随父会话,父会话未知归对话", () => {
    expect(runGroup({ trigger: "schedule" })).toBe("auto");
    expect(runGroup({ trigger: "event" })).toBe("auto");
    expect(runGroup({ trigger: "user" })).toBe("conversation");
    expect(runGroup({ trigger: "subagent" }, { trigger: "schedule" })).toBe("auto");
    expect(runGroup({ trigger: "subagent" }, { trigger: "user" })).toBe("conversation");
    expect(runGroup({ trigger: "subagent" })).toBe("conversation");
  });
  it("URL 的 tab 只认两个取值", () => {
    expect(groupFromSearch("?tab=auto&mock=1")).toBe("auto");
    expect(groupFromSearch("?tab=conversation")).toBe("conversation");
    expect(groupFromSearch("?tab=xx")).toBeNull();
    expect(groupFromSearch("")).toBeNull();
  });
  it("取值顺序:URL > 当前会话 > 上次 > 对话", () => {
    expect(resolveGroup({ fromUrl: "conversation", activeRun: "auto", remembered: "auto" })).toBe("conversation");
    expect(resolveGroup({ fromUrl: null, activeRun: "auto", remembered: "conversation" })).toBe("auto");
    // 打开巡检会话、快照还没到:沿用点它时所在的分栏,不先闪到「对话」
    expect(resolveGroup({ fromUrl: null, activeRun: null, remembered: "auto" })).toBe("auto");
    expect(resolveGroup({ fromUrl: null })).toBe("conversation");
  });
  it("链接:会话页不带 tab(由会话决定),列表页只在自动巡检时带,保留演示开关", () => {
    expect(agentRunHref("r1")).toBe("/console/agent/r1");
    expect(agentRunHref("r1", true)).toBe("/console/agent/r1?mock=1");
    expect(agentListHref()).toBe("/console/agent");
    expect(agentListHref("auto")).toBe("/console/agent?tab=auto");
    expect(agentListHref("auto", true)).toBe("/console/agent?tab=auto&mock=1");
    expect(agentListHref("conversation", true)).toBe("/console/agent?mock=1");
  });
});

describe("当前会话滚进可见区", () => {
  const vp = { scrollTop: 200, height: 300 };
  it("已经完整可见不滚", () => {
    expect(revealScrollTop({ top: 250, height: 40 }, vp)).toBeNull();
  });
  it("在上方:滚到顶边对齐;在下方:滚到底边刚好露出", () => {
    expect(revealScrollTop({ top: 120, height: 40 }, vp)).toBe(120);
    expect(revealScrollTop({ top: 600, height: 40 }, vp)).toBe(340);
  });
});