import { jest } from '@jest/globals';
import { HttpClient, type HttpClientPlugin } from '../dist/index.js';

describe('plugin', () => {
    it('can load plugin', () => {
        const client = new HttpClient();
        const plugin = jest.fn<HttpClientPlugin<Record<never, never>>>((impl) => impl);
        expect(client.use(plugin)).toBe(client);
        expect(client.plugins).toEqual([plugin]);
        expect(client.use(plugin)).toBe(client);
        expect(client.plugins).toEqual([plugin]);
        expect(plugin).toHaveBeenCalledTimes(1);
        expect(plugin).toHaveBeenCalledWith(client);
    });
    it('rejects bad plugin', () => {
        const client = new HttpClient();
        // @ts-expect-error bad plugin for test
        const plugin = jest.fn<HttpClientPlugin<Record<never, never>>>((impl) => ({ ...impl }));
        Object.defineProperty(plugin, 'name', { value: 'bad plugin' });
        expect(() => client.use(plugin)).toThrow('Invalid plugin: bad plugin');
        expect(client.plugins).toEqual([]);
        expect(plugin).toHaveBeenCalledTimes(1);
        expect(plugin).toHaveBeenCalledWith(client);

        // @ts-expect-error bad input for test
        expect(() => client.use({})).toThrow('Invalid plugin: [object Object]');
        expect(client.plugins).toEqual([]);

        // @ts-expect-error bad input for test
        expect(() => client.use(1)).toThrow('Invalid plugin: 1');
        expect(client.plugins).toEqual([]);

        // @ts-expect-error bad input for test
        expect(() => client.use(null)).toThrow('Invalid plugin: null');
        expect(client.plugins).toEqual([]);

        // @ts-expect-error bad input for test
        expect(() => client.use(undefined)).toThrow('Invalid plugin: undefined');
        expect(client.plugins).toEqual([]);

        expect(() =>
            client.use(
                // @ts-expect-error bad input for test
                class {
                    a = 1;
                },
            ),
        ).toThrow(`Class constructors cannot be invoked without 'new'`);
        expect(client.plugins).toEqual([]);
    });
});