//
//  MessageView.swift
//  Browse
//
//  Created by Javier Cicchelli on 15/12/2022.
//  Copyright © 2022 Röck+Cöde. All rights reserved.
//

import DataModels
import SwiftUI

struct MessageView: View {
    
    // MARK: Properties
    
    let type: MessageType
    let action: ActionClosure

    // MARK: Body
    
    var body: some View {
        VStack(spacing: 72) {
            Image.warning
                .resizable()
                .scaledToFit()
                .frame(width: 120, height: 120)
            
            VStack(spacing: 48) {
                Text(
                    type.firstText,
                    bundle: .module
                )
                .font(.title)
                .fontWeight(.semibold)
                
                Text(
                    type.secondText,
                    bundle: .module
                )
                .font(.title2)
                .fontWeight(.regular)
            }
            .multilineTextAlignment(.center)
            
            Button(action: action) {
                Text(
                    type.button,
                    bundle: .module
                )
                .font(.body)
                .fontWeight(.semibold)
                .frame(maxWidth: .infinity)
            }
            .tint(.red)
            .buttonStyle(.borderedProminent)
            .buttonBorderShape(.roundedRectangle(radius: 8))
            .controlSize(.large)
        }
        .padding(.horizontal, 48)
        .ignoresSafeArea()
    }
}

// MARK: - Enumerations

extension MessageView {
    enum MessageType {
        case noCredentials
        case empty
        case error
    }
}

private extension MessageView.MessageType {
    var firstText: LocalizedStringKey {
        switch self {
        case .noCredentials:
            return "message.type_no_credentials.text.first"
        case .empty:
            return "message.type_empty.text.first"
        case .error:
            return "message.type_error.text.first"
        }
    }
    
    var secondText: LocalizedStringKey {
        switch self {
        case .noCredentials:
            return "message.type_no_credentials.text.second"
        case .empty:
            return "message.type_empty.text.second"
        case .error:
            return "message.type_error.text.second"
        }
    }
    
    var button: LocalizedStringKey {
        switch self {
        case .noCredentials:
            return "message.type_no_credentials.button.text"
        case .empty:
            return "message.type_empty.button.text"
        case .error:
            return "message.type_error.button.text"
        }
    }
}

// MARK: - Image+Constants

private extension Image {
    static let warning = Image(systemName: "exclamationmark.circle.fill")
}

// MARK: - Previews

struct MessageView_Previews: PreviewProvider {
    static var previews: some View {
        MessageView(type: .noCredentials) {
            // action closure.
        }
        .previewDisplayName("View of type no credentials")
        
        MessageView(type: .empty) {
            // action closure.
        }
        .previewDisplayName("View of type empty")
        
        MessageView(type: .error) {
            // action closure.
        }
        .previewDisplayName("View of type error")
    }
}