/*!
 * @license
 * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { SuperagentHttpClient } from '../src/superagentHttpClient';
import { FetchResponse, ofetch } from 'ofetch';
import { RequestOptions } from '../src/api-clients/http-client.interface';
import { Emitters } from '@alfresco/adf-core/api';
import { isBrowser } from '../src/utils';

jest.mock('ofetch', () => ({
    ofetch: jest.fn()
}));

jest.mock('../src/utils', () => ({
    isBrowser: jest.fn(() => true), // default implementation: browser environment
    paramToString: (param: any) => String(param)
}));

describe('SuperagentHttpClient', () => {
    describe('request', () => {
        let client: SuperagentHttpClient;
        let emitters: Emitters;

        const url = 'http://fake-api/test';
        const options: RequestOptions = {
            path: '/test',
            httpMethod: 'GET',
            queryParams: {},
            headerParams: {},
            formParams: {},
            bodyParam: null,
            contentType: 'application/json',
            accept: 'application/json',
            responseType: 'json',
            returnType: null
        };
        const securityOptions = {
            isBpmRequest: false,
            enableCsrf: false,
            withCredentials: false,
            authentications: {
                basicAuth: { ticket: '' },
                type: 'basic'
            },
            defaultHeaders: {}
        };

        beforeEach(() => {
            client = new SuperagentHttpClient();
            emitters = {
                eventEmitter: { emit: jest.fn(), on: jest.fn(), off: jest.fn(), once: jest.fn() },
                apiClientEmitter: { emit: jest.fn(), on: jest.fn(), off: jest.fn(), once: jest.fn() }
            };
            (ofetch as unknown as jest.Mock).mockClear();
        });

        it('should resolve with deserialized data on success', async () => {
            const fakeResponse = {
                ok: true,
                headers: new Map([['content-type', 'application/json']]),
                json: () => Promise.resolve({ data: 'test' })
            } as unknown as FetchResponse<unknown>;
            (ofetch as unknown as jest.Mock).mockResolvedValue(fakeResponse);
            const result = await client.request(url, options, securityOptions, emitters);
            expect(result).toEqual({ data: 'test' });
            expect(emitters.eventEmitter.emit).toHaveBeenCalledWith('success', { data: 'test' });
        });

        it('should handle non-ok response and reject with error', async () => {
            const fakeResponse = {
                ok: false,
                status: 400,
                headers: new Map([['content-type', 'application/json']]),
                text: () => Promise.resolve('Bad Request')
            } as unknown as FetchResponse<unknown>;
            (ofetch as unknown as jest.Mock).mockResolvedValue(fakeResponse);
            await expect(client.request(url, options, securityOptions, emitters)).rejects.toMatchObject({ status: 400 });
            expect(emitters.apiClientEmitter.emit).toHaveBeenCalledWith('error', fakeResponse);
            expect(emitters.eventEmitter.emit).toHaveBeenCalledWith('error', fakeResponse);
        });

        it('should handle 401 unauthorized response appropriately', async () => {
            const fakeResponse = {
                ok: false,
                status: 401,
                headers: new Map([['content-type', 'application/json']]),
                text: () => Promise.resolve('Unauthorized')
            } as unknown as FetchResponse<unknown>;
            (ofetch as unknown as jest.Mock).mockResolvedValue(fakeResponse);
            await expect(client.request(url, options, securityOptions, emitters)).rejects.toMatchObject({ status: 401 });
            expect(emitters.apiClientEmitter.emit).toHaveBeenCalledWith('unauthorized');
            expect(emitters.eventEmitter.emit).toHaveBeenCalledWith('unauthorized');
        });
    });

    describe('buildRequest', () => {
        it('should create a request with response type blob', () => {
            const client = new SuperagentHttpClient();
            const queryParams = {};
            const headerParams = {};
            const formParams = {};

            const contentType = 'application/json';
            const accept = 'application/json';
            const responseType = 'blob';
            const url = 'http://fake-api/enterprise/process-instances/';
            const httpMethod = 'GET';
            const securityOptions = {
                isBpmRequest: false,
                enableCsrf: false,
                withCredentials: false,
                authentications: {
                    basicAuth: {
                        ticket: ''
                    },
                    type: 'basic'
                },
                defaultHeaders: {}
            };

            const request = client['buildRequest']({
                httpMethod,
                url,
                queryParams,
                headerParams,
                formParams,
                contentType,
                accept,
                responseType,
                bodyParam: null,
                returnType: null,
                securityOptions
            });

            expect(request.urlWithParams).toEqual('http://fake-api/enterprise/process-instances/');
            const { fetchOptions } = request;

            expect(fetchOptions.headers['accept']).toEqual('application/json');
            expect(fetchOptions.headers['content-type']).toEqual('application/json');
            expect(fetchOptions.responseType).toEqual('blob');
        });

        it('should set Cookie header when isBpmRequest is true and cookie exists in non-browser environment', () => {
            const client = new SuperagentHttpClient();
            const queryParams = {};
            const headerParams = {};
            const formParams = {};
            const contentType = 'application/json';
            const accept = 'application/json';
            const responseType = 'json';
            const url = 'http://fake-api/test-cookie';
            const httpMethod = 'GET';
            const securityOptions = {
                isBpmRequest: true,
                enableCsrf: false,
                withCredentials: false,
                authentications: {
                    cookie: 'testCookie',
                    basicAuth: { ticket: '' },
                    type: 'basic'
                },
                defaultHeaders: {}
            };

            // Override isBrowser to simulate a non-browser environment
            (isBrowser as jest.Mock).mockReturnValue(false);

            const request = client['buildRequest']({
                httpMethod,
                url,
                queryParams,
                headerParams,
                formParams,
                contentType,
                accept,
                responseType,
                bodyParam: null,
                returnType: null,
                securityOptions
            });
            expect(request.fetchOptions.headers['cookie']).toEqual('testCookie');
        });
    });

    describe('deserialize', () => {
        it('should deserialize to an array when the response body is an array', async () => {
            const data = [
                {
                    id: '1',
                    name: 'test1'
                },
                {
                    id: '2',
                    name: 'test2'
                }
            ];
            const response = {
                json() {
                    return Promise.resolve(data);
                }
            } as FetchResponse<unknown>;
            const result = await SuperagentHttpClient['deserialize'](response);

            const isArray = Array.isArray(result);
            expect(isArray).toEqual(true);
        });

        it('should deserialize to an object when the response body is an object', () => {
            const response = {
                json: () => Promise.resolve({ id: '1', name: 'test1' })
            } as FetchResponse<unknown>;
            const result = SuperagentHttpClient['deserialize'](response);

            const isArray = Array.isArray(result);
            expect(isArray).toEqual(false);
        });

        it('should return null when response is null', async () => {
            const result = await SuperagentHttpClient['deserialize'](null);
            expect(result).toEqual(null);
        });

        it('should fallback to text property when body cant be parsed', async () => {
            const data = {
                text: () => Promise.resolve('mock-response-text')
            } as FetchResponse<unknown>;

            const result = await SuperagentHttpClient['deserialize'](data);

            expect(result).toEqual('mock-response-text');
        });

        it('should convert to returnType when provided', async () => {
            class Dummy {
                id: string;
                name: string;
                constructor(data: any) {
                    this.id = data.id;
                    this.name = data.name;
                }
            }
            const data = {
                json: () => Promise.resolve({ id: '1', name: 'test1' })
            } as FetchResponse<unknown>;
            const result = await SuperagentHttpClient['deserialize'](data, Dummy);
            expect(result).toBeInstanceOf(Dummy);
            expect(result.id).toEqual('1');
            expect(result.name).toEqual('test1');
        });
    });

    describe('setCsrfToken', () => {
        it('should set CSRF token in headers and document.cookie', () => {
            const client = new SuperagentHttpClient();
            const fakeRequest: any = {
                header: {},
                set: function (key: string, value: string) {
                    this.header[key] = value;
                    return this;
                },
                withCredentials: function () {}
            };

            if (typeof document === 'undefined') {
                (global as any).document = { cookie: '' };
            }

            client.setCsrfToken(fakeRequest);
            expect(fakeRequest.header['X-CSRF-TOKEN']).toBeTruthy();
            expect(document.cookie.indexOf('CSRF-TOKEN=')).not.toEqual(-1);
        });
    });
});