//
//  MakeURLRequestUseCaseTests.swift
//  APIServiceTests
//
//  Created by Javier Cicchelli on 04/12/2022.
//  Copyright © 2022 Röck+Cöde. All rights reserved.
//

import Foundation
import XCTest

@testable import APIService

final class MakeURLRequestUseCaseTests: XCTestCase {

    // MARK: Properties
    
    private let makeURLRequest = MakeURLRequestUseCase()
    
    private var result: URLRequest!
    
    // MARK: Test cases
    
    func test_withGetMeEndpoint() throws {
        // GIVEN
        let endpoint = GetMeEndpoint(
            username: "username",
            password: "password"
        )
        
        // WHEN
        result = try makeURLRequest(endpoint: endpoint)
        
        // THEN
        XCTAssertNotNil(result)
        XCTAssertEqual(result.url?.absoluteString, "http://163.172.147.216:8080/me")
        XCTAssertEqual(result.httpMethod, "GET")
        XCTAssertEqual(result.allHTTPHeaderFields, [
            .Header.Keys.contentType: .Header.Values.contentTypeJSON,
            .Header.Keys.authorization: "Basic dXNlcm5hbWU6cGFzc3dvcmQ="
        ])
        XCTAssertNil(result.httpBody)
    }
    
    func test_withGetItemsEndpoint() throws {
        // GIVEN
        let itemId = UUID().uuidString
        let endpoint = GetItemsEndpoint(
            itemId: itemId,
            username: "username",
            password: "password"
        )
        
        // WHEN
        result = try makeURLRequest(endpoint: endpoint)
        
        // THEN
        XCTAssertNotNil(result)
        XCTAssertEqual(result.url?.absoluteString, "http://163.172.147.216:8080/items/\(itemId)")
        XCTAssertEqual(result.httpMethod, "GET")
        XCTAssertEqual(result.allHTTPHeaderFields, [
            .Header.Keys.contentType: .Header.Values.contentTypeJSON,
            .Header.Keys.authorization: "Basic dXNlcm5hbWU6cGFzc3dvcmQ="
        ])
        XCTAssertNil(result.httpBody)
    }
    
    func test_withUploadFileEndpoint() throws {
        // GIVEN
        let itemId = UUID().uuidString
        let fileName = "some-file-name.txt"
        let fileData = "This is just a line of text to make some test data".data(using: .utf8)!
        let endpoint = UploadFileEndpoint(
            itemId: itemId,
            fileName: fileName,
            fileData: fileData,
            username: "username",
            password: "password"
        )
        
        // WHEN
        result = try makeURLRequest(endpoint: endpoint)
        
        // THEN
        XCTAssertNotNil(result)
        XCTAssertEqual(result.url?.absoluteString, "http://163.172.147.216:8080/items/\(itemId)")
        XCTAssertEqual(result.httpMethod, "POST")
        XCTAssertEqual(result.allHTTPHeaderFields, [
            .Header.Keys.contentType: .Header.Values.contentTypeOctet,
            .Header.Keys.contentDisposition: "attachment;filename*=utf-8''\(fileName)",
            .Header.Keys.authorization: "Basic dXNlcm5hbWU6cGFzc3dvcmQ="
        ])
        XCTAssertNotNil(result.httpBody)
        XCTAssertEqual(result.httpBody, fileData)
    }
    
    func test_withCreateFolderEndpoint() throws {
        // GIVEN
        let itemId = UUID().uuidString
        let folderName = "some-folder-name"
        let endpoint = CreateFolderEndpoint(
            itemId: itemId,
            folderName: folderName,
            username: "username",
            password: "password"
        )
        let body = "{\"name\":\"\(folderName)\"}".data(using: .utf8)
        
        // WHEN
        result = try makeURLRequest(endpoint: endpoint)
        
        // THEN
        XCTAssertNotNil(result)
        XCTAssertEqual(result.url?.absoluteString, "http://163.172.147.216:8080/items/\(itemId)")
        XCTAssertEqual(result.httpMethod, "POST")
        XCTAssertEqual(result.allHTTPHeaderFields, [
            .Header.Keys.contentType: .Header.Values.contentTypeJSON,
            .Header.Keys.authorization: "Basic dXNlcm5hbWU6cGFzc3dvcmQ="
        ])
        XCTAssertNotNil(result.httpBody)
        XCTAssertEqual(result.httpBody, body)
    }
    
    func test_withDeleteItemEndpoint() throws {
        // GIVEN
        let itemId = UUID().uuidString
        let endpoint = DeleteItemEndpoint(
            itemId: itemId,
            username: "username",
            password: "password"
        )
        
        // WHEN
        result = try makeURLRequest(endpoint: endpoint)
        
        // THEN
        XCTAssertNotNil(result)
        XCTAssertEqual(result.url?.absoluteString, "http://163.172.147.216:8080/items/\(itemId)")
        XCTAssertEqual(result.httpMethod, "DELETE")
        XCTAssertEqual(result.allHTTPHeaderFields, [
            .Header.Keys.authorization: "Basic dXNlcm5hbWU6cGFzc3dvcmQ="
        ])
        XCTAssertNil(result.httpBody)
    }
    
    func test_withGetDataEndpoint() throws {
        // GIVEN
        let itemId = UUID().uuidString
        let endpoint = GetDataEndpoint(
            itemId: itemId,
            username: "username",
            password: "password"
        )
        
        // WHEN
        result = try makeURLRequest(endpoint: endpoint)
        
        // THEN
        XCTAssertNotNil(result)
        XCTAssertEqual(result.url?.absoluteString, "http://163.172.147.216:8080/items/\(itemId)/data")
        XCTAssertEqual(result.httpMethod, "GET")
        XCTAssertEqual(result.allHTTPHeaderFields, [
            .Header.Keys.authorization: "Basic dXNlcm5hbWU6cGFzc3dvcmQ="
        ])
        XCTAssertNil(result.httpBody)
    }

}