//
//  URLHintSettingsView.swift
//  Todos
//
//  Created by Sam Jaffe on 3/2/26.
//

import SwiftUI

struct URLHintSettingsView: View {
  @AppStorage(UserDefaultsKeys.UrlHints) var allHints = CodableArray<URLHint>()
  @State var active = URLHint()

  var body: some View {
    Text("Custom rules to expand a tag into a URL")
    Table(of: Binding<URLHint>.self) {
      TableColumn("Tag Prefix") { hint in
        TextField("", text: hint.prefix)
          .onSubmit(addHint)
      }
      TableColumn("URL Expansion") { hint in
        TextField("", text: hint.replacement)
          .onSubmit(addHint)
      }
      TableColumn("") { hint in
        if hint.id != active.id {
          Button() {
            allHints.removeAll(where: { $0.id == hint.id })
          } label: {
            Label("", systemImage: "trash")
          }
        }
      }.width(max: 20)
    } rows: {
      ForEach($allHints) { hint in
        TableRow(hint)
      }
      TableRow($active)
    }
  }
  
  private func addHint() {
    if active.valid {
      allHints.append(active)
      active = URLHint()
    }
  }
}

#Preview {
  URLHintSettingsView()
}