import SwiftUI

struct SodaV2ActionModalButton {
    let label: String?
    let action: (() -> Void)?
}

struct SodaV2ActionModal: View {
    @Environment(\.dynamicTypeSize) private var dynamicTypeSize
    let title: String
    let message: String
    let button1: SodaV2ActionModalButton?
    let button2: SodaV2ActionModalButton?
    let onDimmedTap: () -> Void
    var primaryTextColor: Color = .soda400

    private var visibleButtons: [(label: String, action: () -> Void, isPrimary: Bool)] {
        var buttons = [(label: String, action: () -> Void, isPrimary: Bool)]()

        if let button2,
           let label = button2.label,
           let action = button2.action {
            buttons.append((label, action, false))
        }

        if let button1,
           let label = button1.label,
           let action = button1.action {
            buttons.append((label, action, true))
        }

        return buttons
    }

    var body: some View {
        GeometryReader { proxy in
            ZStack {
                Color.black.opacity(0.6)
                    .ignoresSafeArea()
                    .onTapGesture(perform: onDimmedTap)

                VStack(spacing: 0) {
                    ViewThatFits(in: .vertical) {
                        messageContent
                            .fixedSize(horizontal: false, vertical: true)

                        ScrollView {
                            messageContent
                        }
                        .scrollBounceBehavior(.basedOnSize)
                    }

                    buttonArea
                        .padding(.horizontal, 20)
                        .padding(.vertical, 14)
                        .fixedSize(horizontal: false, vertical: true)
                }
                .frame(width: min(dynamicTypeSize.isAccessibilitySize ? proxy.size.width : 340, proxy.size.width - 32))
                .background(Color.gray900)
                .cornerRadius(14)
                .padding(16)
            }
            .frame(width: proxy.size.width, height: proxy.size.height)
        }
    }

    private var messageContent: some View {
        VStack(spacing: 0) {
            Text(title)
                .appFont(size: 20, weight: .bold)
                .foregroundColor(Color.white)
                .multilineTextAlignment(.center)
                .fixedSize(horizontal: false, vertical: true)
                .frame(maxWidth: .infinity, minHeight: 64)

            Text(message)
                .appFont(size: 16, weight: .regular)
                .foregroundColor(Color.white)
                .multilineTextAlignment(.center)
                .fixedSize(horizontal: false, vertical: true)
                .padding(20)
                .frame(maxWidth: .infinity)
        }
    }

    @ViewBuilder
    private var buttonArea: some View {
        let buttons = visibleButtons

        if buttons.count == 1, let button = buttons.first {
            actionButton(title: button.label, isPrimary: true, action: button.action)
        } else if buttons.count == 2 {
            HStack(spacing: 8) {
                ForEach(Array(buttons.enumerated()), id: \.offset) { _, button in
                    actionButton(title: button.label, isPrimary: button.isPrimary, action: button.action)
                }
            }
        }
    }

    private func actionButton(title: String, isPrimary: Bool, action: @escaping () -> Void) -> some View {
        Button(action: action) {
            Text(title)
                .appFont(size: 18, weight: .medium)
                .foregroundColor(isPrimary ? primaryTextColor : Color.white)
                .multilineTextAlignment(.center)
                .fixedSize(horizontal: false, vertical: true)
                .frame(maxWidth: .infinity)
                .padding(14)
                .background(Color.clear)
                .cornerRadius(100)
        }
        .buttonStyle(.plain)
    }
}