import { ProjectId, ThreadId, TurnId } from "@t3tools/contracts";import { describe, expect, it } from "vitest"; import { reducer, type AppState } from "./store";import { DEFAULT_THREAD_TERMINAL_HEIGHT, DEFAULT_THREAD_TERMINAL_ID, type Thread } from "./types"; function makeThread(overrides: Partial<Thread> = {}): Thread {  return {    id: ThreadId.makeUnsafe("thread-1"),    codexThreadId: null,    projectId: ProjectId.makeUnsafe("project-1"),    title: "Thread",    model: "gpt-5-codex",    terminalOpen: false,    terminalHeight: DEFAULT_THREAD_TERMINAL_HEIGHT,    terminalIds: [DEFAULT_THREAD_TERMINAL_ID],    runningTerminalIds: [],    activeTerminalId: DEFAULT_THREAD_TERMINAL_ID,    terminalGroups: [      {        id: `group-${DEFAULT_THREAD_TERMINAL_ID}`,        terminalIds: [DEFAULT_THREAD_TERMINAL_ID],      },    ],    activeTerminalGroupId: `group-${DEFAULT_THREAD_TERMINAL_ID}`,    session: null,    messages: [],    turnDiffSummaries: [],    activities: [],    error: null,    createdAt: "2026-02-13T00:00:00.000Z",    latestTurn: null,    branch: null,    worktreePath: null,    ...overrides,  };} function makeState(thread: Thread): AppState {  return {    projects: [      {        id: ProjectId.makeUnsafe("project-1"),        name: "Project",        cwd: "/tmp/project",        model: "gpt-5-codex",        expanded: true,        scripts: [],      },    ],    threads: [thread],    threadsHydrated: true,    runtimeMode: "full-access",  };} describe("store reducer", () => {  it("marks a completed thread as unread by moving lastVisitedAt before completion", () => {    const latestTurnCompletedAt = "2026-02-25T12:30:00.000Z";    const initialState = makeState(      makeThread({        latestTurn: {          turnId: TurnId.makeUnsafe("turn-1"),          state: "completed",          requestedAt: "2026-02-25T12:28:00.000Z",          startedAt: "2026-02-25T12:28:30.000Z",          completedAt: latestTurnCompletedAt,          assistantMessageId: null,        },        lastVisitedAt: "2026-02-25T12:35:00.000Z",      }),    );     const next = reducer(initialState, {      type: "MARK_THREAD_UNREAD",      threadId: ThreadId.makeUnsafe("thread-1"),    });     const updatedThread = next.threads[0];    expect(updatedThread).toBeDefined();    expect(updatedThread?.lastVisitedAt).toBe("2026-02-25T12:29:59.999Z");    expect(Date.parse(updatedThread?.lastVisitedAt ?? "")).toBeLessThan(      Date.parse(latestTurnCompletedAt),    );  });   it("does not change a thread without a completed turn", () => {    const initialState = makeState(      makeThread({        latestTurn: null,        lastVisitedAt: "2026-02-25T12:35:00.000Z",      }),    );     const next = reducer(initialState, {      type: "MARK_THREAD_UNREAD",      threadId: ThreadId.makeUnsafe("thread-1"),    });     expect(next).toEqual(initialState);  });}); describe("store terminal activity reducer", () => {  it("adds a terminal to runningTerminalIds when subprocess activity starts", () => {    const state = makeState(      makeThread({        terminalIds: [DEFAULT_THREAD_TERMINAL_ID, "alt"],        terminalGroups: [          {            id: `group-${DEFAULT_THREAD_TERMINAL_ID}`,            terminalIds: [DEFAULT_THREAD_TERMINAL_ID, "alt"],          },        ],      }),    );    const next = reducer(state, {      type: "SET_THREAD_TERMINAL_ACTIVITY",      threadId: ThreadId.makeUnsafe("thread-1"),      terminalId: "alt",      hasRunningSubprocess: true,    });     expect(next.threads[0]?.runningTerminalIds).toEqual(["alt"]);  });   it("removes a terminal from runningTerminalIds when subprocess activity stops", () => {    const state = makeState(      makeThread({        terminalIds: [DEFAULT_THREAD_TERMINAL_ID, "alt"],        terminalGroups: [          {            id: `group-${DEFAULT_THREAD_TERMINAL_ID}`,            terminalIds: [DEFAULT_THREAD_TERMINAL_ID, "alt"],          },        ],        runningTerminalIds: ["alt"],      }),    );    const next = reducer(state, {      type: "SET_THREAD_TERMINAL_ACTIVITY",      threadId: ThreadId.makeUnsafe("thread-1"),      terminalId: "alt",      hasRunningSubprocess: false,    });     expect(next.threads[0]?.runningTerminalIds).toEqual([]);  });   it("ignores activity events for unknown terminal ids", () => {    const state = makeState(makeThread());    const next = reducer(state, {      type: "SET_THREAD_TERMINAL_ACTIVITY",      threadId: ThreadId.makeUnsafe("thread-1"),      terminalId: "missing",      hasRunningSubprocess: true,    });     expect(next.threads[0]?.runningTerminalIds).toEqual([]);  });});