import SwiftUI

func wizardStepTitle(_ step: Int) -> String {
    let titles = [
        L10n.t("wizard.step.title.match"),
        L10n.t("wizard.step.title.transmission"),
        L10n.t("wizard.step.title.network")
    ]
    return titles[min(max(step, 1), 3) - 1]
}

struct WizardStepIndicator: View {
    let currentStep: Int

    var body: some View {
        HStack(spacing: 6) {
            ForEach(1...3, id: \.self) { step in
                RoundedRectangle(cornerRadius: 2)
                    .fill(step <= currentStep ? MatchColors.primaryRed : MatchColors.surfaceElevated)
                    .frame(height: 4)
            }
        }
        .padding(.horizontal, 20)
        .padding(.vertical, 12)
    }
}

struct WizardFooterButtons: View {
    var showBack: Bool = true
    let onBack: () -> Void
    let forwardLabel: String
    var forwardLoading: Bool = false
    let onForward: () -> Void

    var body: some View {
        HStack(spacing: 12) {
            if showBack {
                MatchSecondaryButton(label: L10n.t("wizard.action.back"), action: onBack)
                    .frame(maxWidth: .infinity)
                    .accessibilityIdentifier("wizard.back")
            }
            MatchPrimaryButton(label: forwardLabel, action: onForward, loading: forwardLoading)
                .frame(maxWidth: .infinity)
                .accessibilityIdentifier("wizard.next")
        }
    }
}

struct WizardOutlinedField: View {
    let label: String
    @Binding var text: String

    var body: some View {
        VStack(alignment: .leading, spacing: 6) {
            Text(label)
                .font(MatchTypography.bodyMedium)
                .foregroundStyle(MatchColors.textSecondary)
            TextField("", text: $text)
                .padding(12)
                .overlay(
                    RoundedRectangle(cornerRadius: 8)
                        .stroke(MatchColors.outline, lineWidth: 1)
                )
        }
    }
}

struct WizardReadOnlyField: View {
    let label: String
    let value: String

    var body: some View {
        VStack(alignment: .leading, spacing: 4) {
            Text(label).font(MatchTypography.bodyMedium)
            Text(value).font(MatchTypography.titleMedium)
        }
        .frame(maxWidth: .infinity, alignment: .leading)
        .padding(14)
        .background(MatchColors.surfaceElevated, in: RoundedRectangle(cornerRadius: 10))
    }
}

struct WizardChoiceButton: View {
    let label: String
    let selected: Bool
    let action: () -> Void

    var body: some View {
        Group {
            if selected {
                MatchPrimaryButton(label: label, action: action)
            } else {
                MatchSecondaryButton(label: label, action: action)
            }
        }
    }
}

struct MetricCard: View {
    let label: String
    let value: String
    var highlight: Bool = false

    var body: some View {
        VStack(spacing: 4) {
            Text(label)
                .font(MatchTypography.bodyMedium)
                .foregroundStyle(MatchColors.textSecondary)
            Text(value)
                .font(MatchTypography.titleMedium)
                .foregroundStyle(highlight ? MatchColors.successGreen : .white)
        }
        .frame(maxWidth: .infinity)
        .padding(12)
        .background(
            highlight ? MatchColors.successGreen.opacity(0.12) : MatchColors.surfaceElevated,
            in: RoundedRectangle(cornerRadius: 10)
        )
    }
}

struct WizardPlatformCard: View {
    let title: String
    let subtitle: String?
    let selected: Bool
    var enabled: Bool = true
    var badge: String?
    let onClick: () -> Void

    var body: some View {
        Button(action: onClick) {
            HStack(alignment: .center, spacing: 12) {
                Text(selected ? "●" : "○")
                    .foregroundStyle(selected ? MatchColors.primaryRed : MatchColors.textSecondary)
                VStack(alignment: .leading, spacing: 4) {
                    Text(title)
                        .font(MatchTypography.titleMedium)
                        .foregroundStyle(.white.opacity(enabled ? 1 : 0.55))
                    if let subtitle {
                        Text(subtitle)
                            .font(MatchTypography.bodyMedium)
                            .foregroundStyle(MatchColors.textSecondary.opacity(enabled ? 1 : 0.55))
                    }
                }
                Spacer(minLength: 8)
                if let badge {
                    Text(badge)
                        .font(MatchTypography.labelLarge)
                        .foregroundStyle(MatchColors.textSecondary)
                        .padding(.horizontal, 8)
                        .padding(.vertical, 4)
                        .background(MatchColors.surface, in: RoundedRectangle(cornerRadius: 6))
                }
            }
            .padding(14)
            .background(
                selected ? MatchColors.primaryRed.opacity(0.15) : MatchColors.surfaceElevated,
                in: RoundedRectangle(cornerRadius: 10)
            )
            .overlay(
                RoundedRectangle(cornerRadius: 10)
                    .stroke(selected ? MatchColors.primaryRed : .clear, lineWidth: 1)
            )
            .frame(maxWidth: .infinity, alignment: .leading)
        }
        .buttonStyle(.plain)
        .disabled(!enabled)
        .opacity(enabled ? 1 : 0.55)
        .frame(maxWidth: .infinity)
    }
}