BUG: Remove TMDb class and refactor configuration (#153)

* BUG: Remove TMDb class and refactor configuration

* Fix lint error

Author: adamayoung

Sources/TMDb/TMDb.docc/GettingStarted/ConfiguringTMDb.md

@@ -50,5 +50,5 @@ let tmdbConfiguration = TMDbConfiguration(
 Once a configuration object has been created, configure TMDb with it.
 
 ```swift
-TMDb.configure(tmdbConfiguration)
+TMDbConfiguration.configure(tmdbConfiguration)
 ```

Sources/TMDb/TMDb.docc/TMDb.md

@@ -43,7 +43,6 @@ For the TMDb API documentation, see
 
 - <doc:/CreatingTMDbAPIKey>
 - <doc:/ConfiguringTMDb>
-- ``TMDb/TMDb``
 - ``TMDbConfiguration``
 - ``HTTPClient``
 

Sources/TMDb/TMDb.swift

@@ -26,6 +26,15 @@ import Foundation
 ///
 public struct TMDbConfiguration {
 
+    private(set) static var shared = TMDbConfiguration(
+        apiKey: {
+            preconditionFailure("Configuration must first be set by calling TMDbConfiguration.configure(_:).")
+        },
+        httpClient: {
+            preconditionFailure("Configuration must first be set by calling TMDbConfiguration.configure(_:).")
+        }
+    )
+
     let apiKey: @Sendable () -> String
     let httpClient: @Sendable () -> any HTTPClient
 
@@ -61,4 +70,14 @@ public struct TMDbConfiguration {
         self.httpClient = httpClient
     }
 
+    ///
+    /// Sets the configuration to be used with TMDb services.
+    ///
+    /// - Parameters:
+    ///    - configuration: A TMDb configuration object.
+    ///
+    public static func configure(_ configuration: TMDbConfiguration) {
+        shared = configuration
+    }
+
 }

Sources/TMDb/TMDbConfiguration.swift

@@ -112,11 +112,11 @@ extension TMDbFactory {
     }
 
     private static var apiKey: String {
-        TMDb.configuration.apiKey()
+        TMDbConfiguration.shared.apiKey()
     }
 
     private static var httpClient: any HTTPClient {
-        TMDb.configuration.httpClient()
+        TMDbConfiguration.shared.httpClient()
     }
 
 }

Sources/TMDb/TMDbFactory.swift

@@ -23,7 +23,8 @@ import XCTest
 extension XCTestCase {
 
     func configureTMDb() throws {
-        try TMDb.configure(TMDbConfiguration(apiKey: tmdbAPIKey()))
+        let configuration = try TMDbConfiguration(apiKey: tmdbAPIKey())
+        TMDbConfiguration.configure(configuration)
     }
 
     private func tmdbAPIKey() throws -> String {

Tests/TMDbIntegrationTests/Utility/XCTestCase+ConfigureTMDb.swift

@@ -1,5 +1,5 @@
 //
-//  TMDbTests.swift
+//  TMDbConfigurationTests.swift
 //  TMDb
 //
 //  Copyright © 2024 Adam Young.
@@ -20,23 +20,23 @@
 @testable import TMDb
 import XCTest
 
-final class TMDbTest: XCTestCase {
+final class TMDbConfigurationTests: XCTestCase {
 
     func testConfigureSetsAPIKey() {
         let expectedAPIKey = "abc123"
         let configuration = TMDbConfiguration(apiKey: expectedAPIKey)
 
-        TMDb.configure(configuration)
-        let apiKey = TMDb.configuration.apiKey()
+        TMDbConfiguration.configure(configuration)
+        let apiKey = TMDbConfiguration.shared.apiKey()
 
         XCTAssertEqual(apiKey, expectedAPIKey)
     }
 
     func testConfigurationWhenHTTPClientNotSetUsesDefaultAdapter() {
         let configuration = TMDbConfiguration(apiKey: "")
 
-        TMDb.configure(configuration)
-        let httpClient = TMDb.configuration.httpClient()
+        TMDbConfiguration.configure(configuration)
+        let httpClient = TMDbConfiguration.shared.httpClient()
 
         XCTAssertTrue(httpClient is URLSessionHTTPClientAdapter)
     }
@@ -45,15 +45,15 @@ final class TMDbTest: XCTestCase {
         let expectedHTTPClient = MockHTTPClient()
         let configuration = TMDbConfiguration(apiKey: "", httpClient: expectedHTTPClient)
 
-        TMDb.configure(configuration)
-        let httpClient = TMDb.configuration.httpClient()
+        TMDbConfiguration.configure(configuration)
+        let httpClient = TMDbConfiguration.shared.httpClient()
 
         XCTAssertIdentical(httpClient as AnyObject, expectedHTTPClient)
     }
 
 }
 
-extension TMDbTest {
+extension TMDbConfigurationTests {
 
     private final class MockHTTPClient: HTTPClient {