import { describe, expect, it } from "vitest";
import { augmentProjectBrainInitialize, handleProjectBrainSkillMethod } from "../src/mcp/skills.js";

type SkillList = { skills: Array<{ uri: string }> };
type SkillResource = { contents: Array<{ text: string }> };

describe("ProjectBrain MCP skills", () => {
  it("publishes canonical public workflows for repository bootstrap and delivery", () => {
    const listed = handleProjectBrainSkillMethod("skills/list", {}) as SkillList;
    const uris = listed.skills.map((skill) => skill.uri);

    expect(uris).toContain("skill://projectbrain/repository-bootstrap/SKILL.md");
    expect(uris).toContain("skill://projectbrain/feature-delivery/SKILL.md");

    const bootstrap = handleProjectBrainSkillMethod("resources/read", { uri: "skill://projectbrain/repository-bootstrap/SKILL.md" }) as SkillResource;
    expect(bootstrap.contents[0]?.text).toContain("gitea.repository.create");
    expect(bootstrap.contents[0]?.text).toContain("projectbrain.portfolio.repository.reconcile");

    const delivery = handleProjectBrainSkillMethod("resources/read", { uri: "skill://projectbrain/feature-delivery/SKILL.md" }) as SkillResource;
    expect(delivery.contents[0]?.text).toContain("projectbrain.delivery.changeset.apply");
    expect(delivery.contents[0]?.text).toContain("projectbrain.delivery.merge");
    expect(delivery.contents[0]?.text).toContain("gitea.workspace.run");
    expect(delivery.contents[0]?.text).not.toContain("apply_feature_changeset");
    expect(delivery.contents[0]?.text).not.toContain("merge_feature_delivery");
  });

  it("publishes the Gitea-first Auto execution contract", () => {
    const operator = handleProjectBrainSkillMethod("resources/read", { uri: "skill://projectbrain/projectbrain-operator/SKILL.md" }) as SkillResource;
    const text = operator.contents[0]?.text ?? "";

    expect(text).toContain("Gitea is the only primary repository execution surface");
    expect(text).toContain("projectbrain/auto/<normalized-work-id>");
    expect(text).toContain("atomic execution claim");
    expect(text).toContain("exact-head validation evidence");
    expect(text).toContain("missing or interrupted report_auto_work callback");
    expect(text).toContain("No OpenAI API key is required");
  });

  it("advertises Gitea as the primary Auto execution surface during MCP initialization", () => {
    const initialized = augmentProjectBrainInitialize({ result: { capabilities: {} } }) as {
      result: { instructions: string };
    };

    expect(initialized.result.instructions).toContain(
      "Gitea as its only primary repository execution surface",
    );
    expect(initialized.result.instructions).toContain("projectbrain/auto/<normalized-work-id>");
    expect(initialized.result.instructions).toContain("Branch existence is the atomic claim");
    expect(initialized.result.instructions).toContain(
      "report_auto_work are backward-compatible coordination/bookkeeping surfaces only",
    );
    expect(initialized.result.instructions).toContain(
      "Never write directly to the default branch",
    );
  });
});