import path from "node:path";

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

import type { MoltbotConfig } from "../config/config.js";
import { resolveAgentWorkspaceDir } from "../agents/agent-scope.js";
import { resolveMemoryBackendConfig } from "./backend-config.js";

describe("resolveMemoryBackendConfig", () => {
  it("defaults to builtin backend when config missing", () => {
    const cfg = { agents: { defaults: { workspace: "/tmp/memory-test" } } } as MoltbotConfig;
    const resolved = resolveMemoryBackendConfig({ cfg, agentId: "main" });
    expect(resolved.backend).toBe("builtin");
    expect(resolved.citations).toBe("auto");
    expect(resolved.qmd).toBeUndefined();
  });

  it("resolves qmd backend with default collections", () => {
    const cfg = {
      agents: { defaults: { workspace: "/tmp/memory-test" } },
      memory: {
        backend: "qmd",
        qmd: {},
      },
    } as MoltbotConfig;
    const resolved = resolveMemoryBackendConfig({ cfg, agentId: "main" });
    expect(resolved.backend).toBe("qmd");
    expect(resolved.qmd?.collections.length).toBeGreaterThanOrEqual(3);
    expect(resolved.qmd?.command).toBe("qmd");
    expect(resolved.qmd?.update.intervalMs).toBeGreaterThan(0);
  });

  it("resolves custom paths relative to workspace", () => {
    const cfg = {
      agents: {
        defaults: { workspace: "/workspace/root" },
        list: [{ id: "main", workspace: "/workspace/root" }],
      },
      memory: {
        backend: "qmd",
        qmd: {
          paths: [
            {
              path: "notes",
              name: "custom-notes",
              pattern: "**/*.md",
            },
          ],
        },
      },
    } as MoltbotConfig;
    const resolved = resolveMemoryBackendConfig({ cfg, agentId: "main" });
    const custom = resolved.qmd?.collections.find((c) => c.name.startsWith("custom-notes"));
    expect(custom).toBeDefined();
    const workspaceRoot = resolveAgentWorkspaceDir(cfg, "main");
    expect(custom?.path).toBe(path.resolve(workspaceRoot, "notes"));
  });
});