import SwiftUI

/// Title-and-body editor shared by issue/MR create and edit sheets.
struct ComposeSheet: View {

    let heading: String
    let submitLabel: String
    let working: Bool
    let errorMessage: String?
    @Binding var title: String
    @Binding var bodyText: String
    let onSubmit: () -> Void

    @Environment(\.dismiss) private var dismiss

    var body: some View {
        NavigationStack {
            Form {
                Section("Title") {
                    TextField("Title", text: $title, axis: .vertical)
                        .lineLimit(1...3)
                        // Titles name code: paths, commands, branch names.
                        // Autocorrection rewrites them.
                        .autocorrectionDisabled()
                        .accessibilityIdentifier("compose-title")
                }
                Section("Body") {
                    TextEditor(text: $bodyText)
                        .frame(minHeight: 160)
                        .font(.gbSans(.body))
                        .autocorrectionDisabled()
                        .accessibilityIdentifier("compose-body")
                }
                if let errorMessage {
                    Section {
                        GBNotice(errorMessage)
                    }
                }
            }
            .navigationTitle(heading)
            .navigationBarTitleDisplayMode(.inline)
            .toolbar {
                ToolbarItem(placement: .cancellationAction) {
                    Button("Cancel") { dismiss() }
                }
                ToolbarItem(placement: .confirmationAction) {
                    if working {
                        ProgressView()
                    } else {
                        Button(submitLabel, action: onSubmit)
                            .disabled(title.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
                            .accessibilityIdentifier("compose-submit")
                    }
                }
            }
            .interactiveDismissDisabled(working)
        }
    }
}