AEEnvironment

AEEnvironment.swift

/**
 *  https://gist.github.com/tadija/b5220447b71468937702d1162b5f2591
 *  Revision 8
 *  Copyright © 2017-2021 Marko Tadić
 *  Licensed under the MIT license
 */

import Foundation

public protocol AEEnvironment {
    associatedtype Mode
    associatedtype Configuration
}

public extension AEEnvironment where
    Mode: CaseIterable & RawRepresentable,
    Mode.RawValue == String,
    Configuration: CaseIterable & RawRepresentable,
    Configuration.RawValue == String
{

    // MARK: Build Configuration

    static var buildConfiguration: String {
        guard let bc = settings["Configuration"] as? String else {
            fatalError("{ Configuration : $(CONFIGURATION) } - not found in `Settings`")
        }
        return bc
    }

    static var mode: Mode? {
        parseBuildConfiguration()
    }

    static var configuration: Configuration? {
        parseBuildConfiguration()
    }

    // MARK: Helpers

    private static func parseBuildConfiguration<T: CaseIterable & RawRepresentable>() -> T?
        where T.RawValue == String
    {
        T.self.allCases.first {
            buildConfiguration.lowercased()
                .contains($0.rawValue.lowercased())
        }
    }

}

public extension AEEnvironment {

    // MARK: Bundle Settings

    static var settings: NSDictionary {
        guard let dict = bundleObject(forKey: "Settings") as? NSDictionary else {
            fatalError("`Settings` Dictionary not found in `Info.plist`")
        }
        return dict
    }

    // MARK: Build Information

    static var bundleID: String {
        bundleString(forKey: kCFBundleIdentifierKey as String)
    }

    static var bundleName: String {
        bundleString(forKey: kCFBundleNameKey as String)
    }

    static var bundleVersion: String {
        bundleString(forKey: "CFBundleShortVersionString")
    }

    static var bundleBuild: String {
        bundleString(forKey: kCFBundleVersionKey as String)
    }

    static var bundleVersionBuild: String {
        "Version \(bundleVersion) (build: \(bundleBuild))"
    }

    static var bundleVersionBuildCompact: String {
        "\(bundleVersion) (\(bundleBuild))"
    }

    // MARK: Helpers

    static func bundleObject(forKey key: String) -> Any? {
        Bundle.main.object(forInfoDictionaryKey: key)
    }

    static func bundleString(forKey key: String) -> String {
        bundleObject(forKey: key) as? String ?? "n/a"
    }

}

open class DPEnvironment: AEEnvironment {

    // MARK: Mode

    public enum Mode: String, CaseIterable {
        case debug, release
    }

    public static var isDebug: Bool {
        mode == .debug
    }

    public static var isRelease: Bool {
        mode == .release
    }

    // MARK: Configuration

    public enum Configuration: String, CaseIterable {
        case develop, production
    }

    public static var isDevelop: Bool {
        configuration == .develop
    }

    public static var isProduction: Bool {
        configuration == .production
    }

}

open class DSPEnvironment: AEEnvironment {

    // MARK: Mode

    public enum Mode: String, CaseIterable {
        case debug, release
    }

    public static var isDebug: Bool {
        mode == .debug
    }

    public static var isRelease: Bool {
        mode == .release
    }

    // MARK: Configuration

    public enum Configuration: String, CaseIterable {
        case develop, stage, production
    }

    public static var isDevelop: Bool {
        configuration == .develop
    }

    public static var isStage: Bool {
        configuration == .stage
    }

    public static var isProduction: Bool {
        configuration == .production
    }

}