//
//  Copyright (c) 2023 Touch Instinct
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the Software), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//

import Foundation

public struct BundleIdentifier {
    public let appPrefix: String
    public let appIdentifier: String
    public let fullIdentifier: String
    public let defaultAppGroupIdenfier: String

    static let bundleIdentifierSeparator = "."

    public init(appPrefix: String, appIdentifier: String) {
        self.appPrefix = appPrefix
        self.appIdentifier = appIdentifier
        self.fullIdentifier = appPrefix + Self.bundleIdentifierSeparator + appIdentifier
        self.defaultAppGroupIdenfier = "group." + fullIdentifier
    }

    public init?(bundle: Bundle = .main) {
        guard let fullIdenfifier = bundle.bundleIdentifier,
              var components = bundle.bundleIdentifier?
            .components(separatedBy: Self.bundleIdentifierSeparator),
            let lastComponent = components.popLast() else {

            return nil
        }

        self.fullIdentifier = fullIdenfifier
        self.appIdentifier = lastComponent
        self.appPrefix = components.joined(separator: Self.bundleIdentifierSeparator)
        self.defaultAppGroupIdenfier = "group." + fullIdentifier
    }
}