//
//  iTunesServiceTests.swift
//  ReviewsiTunesTest
//
//  Created by Javier Cicchelli on 17/03/2024.
//  Copyright © 2024 Röck+Cöde VoF. All rights reserved.
//

import ReviewsFeedKit
import ReviewsFoundationKit
import XCTest

@testable import ReviewsiTunesKit

final class iTunesServiceTests: XCTestCase {
    
    // MARK: Properties
    private var sut: iTunesService!
    
    // MARK: Setup
    override func setUp() async throws {
        sut = .init(configuration: .init(session: .mock))
    }
    
    // MARK: Functions
    func testGetReviews_whenResponseOK_withOneReview() async throws {
        // GIVEN
        let reviews: [Review] = .one
        
        MockURLProtocol.response = .init(
            statusCode: 200,
            object: Feed(entries: reviews)
        )
        
        // WHEN
        let output = try await sut.getReviews(.init(
            appID: "1234567890",
            countryCode: "abc"
        ))
        
        // THEN
        XCTAssertFalse(output.reviews.isEmpty)
        XCTAssertEqual(output.reviews.count, reviews.count)
        XCTAssertEqual(output.reviews, reviews)
    }
    
    func testGetReviews_whenResponseOK_withManyReview() async throws {
        // GIVEN
        let reviews: [Review] = .many
        
        MockURLProtocol.response = .init(
            statusCode: 200,
            object: Feed(entries: reviews)
        )
        
        // WHEN
        let output = try await sut.getReviews(.init(
            appID: "1234567890",
            countryCode: "abc"
        ))
        
        // THEN
        XCTAssertFalse(output.reviews.isEmpty)
        XCTAssertEqual(output.reviews.count, reviews.count)
        XCTAssertEqual(output.reviews, reviews)
    }
    
    func testGetReviews_whenResponseOK_withEmptyReview() async throws {
        // GIVEN
        let reviews: [Review] = .empty
        
        MockURLProtocol.response = .init(
            statusCode: 200,
            object: Feed(entries: reviews)
        )
        
        // WHEN
        let output = try await sut.getReviews(.init(
            appID: "1234567890",
            countryCode: "abc"
        ))
        
        // THEN
        XCTAssertTrue(output.reviews.isEmpty)
        XCTAssertEqual(output.reviews, reviews)
    }
    
    func testGetReviews_whenResponseNotOK() async throws {
        // GIVEN
        let statusCode = 404

        MockURLProtocol.response = .init(statusCode: statusCode)
        
        // WHEN
        // THEN
        do {
            try await sut.getReviews(.init(
                appID: "1234567890",
                countryCode: "abc"
            ))
        } catch EndpointError.requestFailed(statusCode: statusCode) {
            XCTAssertTrue(true)
        } catch {
            XCTAssertTrue(false)
        }
    }
    
}