import { describe, test, expect } from "bun:test";

import { definePlugin } from "./define-plugin";
import { HOOK_EVENT_NAMES } from "./types";

describe("definePlugin", () => {
  describe("with minimal plugin", () => {
    test("returns the definition unchanged", () => {
      //#given
      const definition = { name: "test-plugin" };
      //#when
      const result = definePlugin(definition);
      //#then
      expect(result).toBe(definition);
    });
  });

  describe("with full plugin", () => {
    test("preserves all fields", () => {
      //#given
      const handler = async () => {};
      const definition = {
        name: "full-plugin",
        version: "1.0.0",
        dependencies: ["other-plugin"],
        hooks: { "tool.execute.before": handler },
      };
      //#when
      const result = definePlugin(definition);
      //#then
      expect(result.name).toBe("full-plugin");
      expect(result.version).toBe("1.0.0");
      expect(result.dependencies).toEqual(["other-plugin"]);
      expect(result.hooks?.["tool.execute.before"]).toBe(handler);
    });
  });
});

describe("HOOK_EVENT_NAMES", () => {
  test("contains all OpenCode hook handler names", () => {
    //#given
    const expected = [
      "tool",
      "config",
      "chat.message",
      "chat.params",
      "chat.headers",
      "event",
      "tool.execute.before",
      "tool.execute.after",
      "experimental.chat.messages.transform",
      "experimental.chat.system.transform",
      "tool.definition",
      "permission.ask",
      "command.execute.before",
      "shell.env",
      "experimental.session.compacting",
      "experimental.text.complete",
    ];
    //#when / #then
    expect(HOOK_EVENT_NAMES).toHaveLength(16);
    for (const name of expected) {
      expect(HOOK_EVENT_NAMES).toContain(name);
    }
  });
});