import SwiftUI

struct GiftDetailActionBar: View {
    let model: SentGiftDetailDisplayModel
    var onCancel: (() -> Void)? = nil
    let onPolicy: () -> Void
    @State private var isNavigating = false

    var body: some View {
        if model.trackingRequired || model.status == .received || model.status == .undeliverable {
            VStack(spacing: SodaSpacing.s8) {
                if model.trackingRequired {
                    Button {
                        guard !isNavigating else { return }
                        isNavigating = true
                        AppState.shared.setAppStep(step: .giftTrackingRegistration(applicationNo: model.applicationNo))
                    } label: {
                        SelectedButtonView(
                            title: "운송장 작성하기",
                            isActive: !isNavigating,
                            isSelected: false,
                            bgDefaultColor: .button,
                            textDefaultColor: .white
                        )
                        .multilineTextAlignment(.center)
                        .fixedSize(horizontal: false, vertical: true)
                        .frame(minHeight: SodaSpacing.s48)
                        .contentShape(Rectangle())
                    }
                    .disabled(isNavigating)
                }

                if model.status == .received {
                    Button {
                        onCancel?()
                    } label: {
                        secondaryLabel("신청 취소", isEnabled: onCancel != nil)
                    }
                    .disabled(onCancel == nil)
                    .accessibilityHint(onCancel == nil ? "현재 신청 취소를 이용할 수 없습니다." : "")
                }

                if model.status == .undeliverable {
                    Button {
                        guard !isNavigating else { return }
                        isNavigating = true
                        AppState.shared.setAppStep(step: GiftConstants.inquiryStep)
                    } label: {
                        secondaryLabel("문의하기", isEnabled: !isNavigating)
                    }
                    .disabled(isNavigating)

                    Button {
                        onPolicy()
                    } label: {
                        secondaryLabel("선물 정책 확인")
                    }
                }
            }
            .buttonStyle(.plain)
            .padding(.horizontal, SodaSpacing.s14)
            .padding(.vertical, SodaSpacing.s12)
            .frame(maxWidth: .infinity)
            .background(Color.black)
            .onAppear {
                isNavigating = false
            }
        }
    }

    private func secondaryLabel(_ title: String, isEnabled: Bool = true) -> some View {
        Text(title)
            .appFont(.body2)
            .foregroundColor(isEnabled ? .white : .gray500)
            .multilineTextAlignment(.center)
            .fixedSize(horizontal: false, vertical: true)
            .padding(.horizontal, SodaSpacing.s16)
            .padding(.vertical, SodaSpacing.s12)
            .frame(maxWidth: .infinity, minHeight: SodaSpacing.s48)
            .background(Color.gray900)
            .clipShape(RoundedRectangle(cornerRadius: SodaRadius.r8))
            .contentShape(Rectangle())
    }
}