import Foundation
import SwiftUI
import Combine


struct SwaggerAPI: Codable {
    let swagger: String
    let info: Info
    let paths: [String: PathItem]

    struct Info: Codable {
        let title: String
        let version: String
    }

    struct PathItem: Codable {
        let summary: String?
        let description: String?
        let parameters: [Parameter]?
        let responses: [String: Response]

        struct Parameter: Codable {
            let name: String
            let info: String
            let required: Bool
            let type: String
        }

        struct Response: Codable {
            let description: String
        }
    }
}



class SwaggerAPIService: ObservableObject {
    @Published var apiData: SwaggerAPI?

    func fetchAPI() {
        guard let url = URL(string: "https://git.irohlf.de/swagger/api" ) else { return }
        URLSession.shared.dataTask(with: url) { data, response, error in
            guard let data = data, error == nil else { return }
            DispatchQueue.main.async {
                do {
                    let decodedData = try JSONDecoder().decode(SwaggerAPI.self, from: data)
                    self.apiData = decodedData
                } catch {
                    print("Error decoding data: \(error)")
                }
            }
        }.resume()
    }
}

struct SwaggerContentView: View {
    @StateObject private var apiService = SwaggerAPIService()

    var body: some View {
        NavigationView {
            List {
                if let api = apiService.apiData {
                    Section(header: Text("API Info")) {
                        Text("Title: \(api.info.title)")
                        Text("Version: \(api.info.version)")
                    }

                    Section(header: Text("Paths")) {
                        ForEach(api.paths.keys.sorted(), id: \.self) { path in
                            if let pathItem = api.paths[path] {
                                VStack(alignment: .leading) {
                                    Text(path)
                                        .font(.headline)
                                    Text(pathItem.summary ?? "No summary available")
                                        .font(.subheadline)
                                }
                            }
                        }
                    }
                } else {
                    Text("Loading...")
                        .onAppear {
                            apiService.fetchAPI()
                        }
                }
            }
            .navigationTitle("Swagger API")
        }
    }
}
 
  

#Preview {
   SwaggerContentView()
    
}