//
//  FakeLabel.swift
//  ReviewsUIKit
//
//  Created by Javier Cicchelli on 20/03/2024.
//  Copyright © 2024 Röck+Cöde. All rights reserved.
//

import ReviewsFoundationKit
import SwiftUI

public struct FakeLabel: View {
    
    // MARK: Constants
    private let systemIcon: String
    private let title: String
    
    // MARK: Initialisers
    public init(
        systemIcon: String,
        title: String
    ) {
        self.systemIcon = systemIcon
        self.title = title
    }
    
    // MARK: Body
    public var body: some View {
        HStack(
            alignment: .bottom,
            spacing: 8
        ) {
            iconOrQuestionMark
            
            Text(titleOrDash)
                .font(.body)
        }
    }
    
}

// MARK: - Helpers
private extension FakeLabel {
    
    // MARK: Computed
    var iconOrQuestionMark: Image {
        .init(systemName: systemIcon.isEmpty
              ? .Icon.questionMark
              : systemIcon
        )
    }

    var titleOrDash: String {
        title.isEmpty
            ? .Title.none
            : title
    }
    
}

// MARK: - String+Constants
private extension String {
    enum Title {
        static let none = "-"
    }
}

// MARK: - Previews
#Preview("Fake Label with system icon and title") {
    FakeLabel(
        systemIcon: .Icon.person,
        title: "Some title goes here..."
    )
}

#Preview("Fake Label with empty system icon and title") {
    FakeLabel(
        systemIcon: .empty,
        title: "Some title goes here..."
    )
}

#Preview("Fake Label with system icon and empty title") {
    FakeLabel(
        systemIcon: .Icon.person,
        title: .empty
    )
}

#Preview("Fake Label with both empty system icon and title") {
    FakeLabel(
        systemIcon: .empty,
        title: .empty
    )
}