CreatePostsPageView.swift

import SwiftUI
import UIKit


// The main view
struct CreatePostsPageView: View {
    @State private var postMessage = ""
    @State private var selectedImage: UIImage? = nil
    @State private var isImagePickerPresented = false
    @State private var isLogin = true
    
    var body: some View {
            NavigationView {
                HStack {
                    VStack(alignment: .center) {
                        // Display the selected image, or a button to select one
                        if let image = selectedImage {
                            Image(uiImage: image)
                                .resizable()
                                .scaledToFit()
                                .frame(width: 200, height: 200)
                                .padding()
                        } else {
                            Button(action: {
                            }) {
                                TextField("What's on your mind...", text: $postMessage)
                                    .padding()
                                //                            .scrollContentBackground(.hidden)
                            }
                            .padding()
                        }
                        
                        Form {
                            Button ("selected an Image", action:{
                                
                                isImagePickerPresented = true
                            })
                            NavigationLink(destination: ContentView()) {
                                Text("Submit")
                            }
                        }
                        .frame(width: 300.0, height: 150.0)
                        //                .scrollContentBackground(/*@START_MENU_TOKEN@*/.hidden/*@END_MENU_TOKEN@*/)
                    }
                    .padding()
                    .sheet(isPresented: $isImagePickerPresented) {
                        ImagePicker(image: $selectedImage)
                    }
                    
                    .navigationBarBackButtonHidden(false)
                }
                CustomNavigationBar()
            }
        }
    }

// Preview
struct CreatePostsPageView_Previews: PreviewProvider {
    static var previews: some View {
        CreatePostsPageView()
    }
}


class PostService {
    static let shared = PostService()
    
    let baseURL = "https://your-backend-url.com/api" // Replace with your actual backend URL

    func createPost(post: Post, completion: @escaping (Result<Post, Error>) -> Void) {
        guard let url = URL(string: "\(baseURL)/posts") else { return }
        
        var request = URLRequest(url: url)
        request.httpMethod = "POST"
        request.setValue("application/json", forHTTPHeaderField: "Content-Type")
        
        do {
            let jsonData = try JSONEncoder().encode(post)
            request.httpBody = jsonData
            
            let task = URLSession.shared.dataTask(with: request) { data, response, error in
                if let error = error {
                    completion(.failure(error))
                    return
                }
                
                guard let data = data else { return }
                
                do {
                    let createdPost = try JSONDecoder().decode(Post.self, from: data)
                    completion(.success(createdPost))
                } catch {
                    completion(.failure(error))
                }
            }
            task.resume()
        } catch {
            completion(.failure(error))
        }
    }
}