passepartout-apple/Passepartout/Library/Sources/UILibrary/Extensions/ProfileEditor+UI.swift

//
//  ProfileEditor+UI.swift
//  Passepartout
//
//  Created by Davide De Rosa on 6/28/24.
//  Copyright (c) 2024 Davide De Rosa. All rights reserved.
//
//  https://github.com/passepartoutvpn
//
//  This file is part of Passepartout.
//
//  Passepartout is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  Passepartout is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with Passepartout.  If not, see <http://www.gnu.org/licenses/>.
//

import PassepartoutKit
import SwiftUI

extension ProfileEditor {
    public func binding(forNameOf moduleId: UUID) -> Binding<String> {
        Binding { [weak self] in
            self?.profile.name(forModuleWithId: moduleId) ?? ""
        } set: { [weak self] in
            self?.profile.setName($0, forModuleWithId: moduleId)
        }
    }

    public func binding(forProviderOf moduleId: UUID) -> Binding<ProviderID?> {
        Binding { [weak self] in
            self?.providerModule(withId: moduleId)?.providerId
        } set: { [weak self] in
            guard var builder = self?.providerModule(withId: moduleId) else {
                return
            }
            builder.providerId = $0
            self?.saveModule(builder, activating: false)
        }
    }

    public func binding<E>(forProviderEntityOf moduleId: UUID) -> Binding<E?> where E: ProviderEntity & Codable {
        Binding { [weak self] in
            try? self?.providerModule(withId: moduleId)?.providerEntity(E.self)
        } set: { [weak self] in
            guard var builder = self?.providerModule(withId: moduleId) else {
                return
            }
            try? builder.setProviderEntity($0)
            self?.saveModule(builder, activating: false)
        }
    }

    public subscript<T>(module: T) -> Binding<T> where T: ModuleBuilder {
        Binding { [weak self] in
            guard let foundModule = self?.module(withId: module.id) else {
                fatalError("Module not found in editor: \(module.id)")
            }
            guard let matchingModule = foundModule as? T else {
                fatalError("Type mismatch when binding to editor module: \(type(of: foundModule)) != \(type(of: module))")
            }
            return matchingModule
        } set: { [weak self] in
            self?.saveModule($0, activating: false)
        }
    }
}