//
//  SuggestedTripCard.swift
//  SportsTime
//
//  Card component for displaying a suggested trip in the carousel.
//

import SwiftUI

struct SuggestedTripCard: View {
    let suggestedTrip: SuggestedTrip
    @Environment(\.colorScheme) private var colorScheme

    var body: some View {
        VStack(alignment: .leading, spacing: Theme.Spacing.sm) {
            // Header: Region badge + Sport icons
            HStack {
                // Region badge
                Text(suggestedTrip.region.shortName)
                    .font(.caption)
                    .foregroundStyle(.white)
                    .padding(.horizontal, Theme.Spacing.xs)
                    .padding(.vertical, 4)
                    .background(regionColor)
                    .clipShape(Capsule())

                Spacer()

                // Sport icons
                HStack(spacing: 4) {
                    ForEach(suggestedTrip.displaySports, id: \.self) { sport in
                        Image(systemName: sport.iconName)
                            .font(.caption)
                            .foregroundStyle(sport.themeColor)
                            .accessibilityHidden(true)
                    }
                }
            }

            // Route preview (vertical)
            routePreview

            Spacer()

            // Stats row - inline compact display
            HStack(spacing: 6) {
                Label {
                    Text(suggestedTrip.trip.totalGames == 1 ? "1 game" : "\(suggestedTrip.trip.totalGames) games")
                } icon: {
                    Image(systemName: "sportscourt")
                }

                Text("•")
                    .foregroundStyle(Theme.textMuted(colorScheme).opacity(0.5))

                Label {
                    Text(suggestedTrip.trip.stops.count == 1 ? "1 city" : "\(suggestedTrip.trip.stops.count) cities")
                } icon: {
                    Image(systemName: "mappin")
                }
            }
            .font(.caption2)
            .foregroundStyle(Theme.textSecondary(colorScheme))

            // Date range
            Text(suggestedTrip.trip.formattedDateRange)
                .font(.caption)
                .foregroundStyle(Theme.textMuted(colorScheme))
        }
        .padding(Theme.Spacing.md)
        .padding(.bottom, Theme.Spacing.xs)
        .frame(width: 200, height: 175)
        .background(Theme.cardBackground(colorScheme))
        .clipShape(RoundedRectangle(cornerRadius: Theme.CornerRadius.large))
        .overlay {
            RoundedRectangle(cornerRadius: Theme.CornerRadius.large)
                .stroke(Theme.surfaceGlow(colorScheme), lineWidth: 1)
        }
        .shadow(color: Theme.cardShadow(colorScheme), radius: 8, y: 4)
        .accessibilityElement(children: .combine)
    }

    private var routePreview: some View {
        let cities = suggestedTrip.trip.stops.map { $0.city }
        let startCity = cities.first ?? ""
        let endCity = cities.last ?? ""
        let routeDescription = cities.joined(separator: " to ")

        return VStack(alignment: .leading, spacing: Theme.Spacing.xs) {
            // Start → End display
            HStack(spacing: 6) {
                Text(startCity)
                    .font(.subheadline)
                    .foregroundStyle(Theme.textPrimary(colorScheme))
                    .lineLimit(1)

                Image(systemName: "arrow.right")
                    .font(.caption2)
                    .foregroundStyle(Theme.warmOrange)
                    .accessibilityHidden(true)

                Text(endCity)
                    .font(.subheadline)
                    .foregroundStyle(Theme.textPrimary(colorScheme))
                    .lineLimit(1)
            }

            // Scrollable stop dots
            ScrollView(.horizontal, showsIndicators: false) {
                HStack(spacing: 4) {
                    ForEach(0..<cities.count, id: \.self) { index in
                        Circle()
                            .fill(index == 0 || index == cities.count - 1 ? Theme.warmOrange : Theme.routeGold.opacity(0.6))
                            .frame(width: 6, height: 6)
                            .accessibilityHidden(true)

                        if index < cities.count - 1 {
                            Rectangle()
                                .fill(Theme.routeGold.opacity(0.4))
                                .frame(width: 8, height: 2)
                                .accessibilityHidden(true)
                        }
                    }
                }
                .padding(.horizontal, Theme.Spacing.xs)
            }
            .frame(height: 12)
        }
        .accessibilityElement(children: .ignore)
        .accessibilityLabel("Route: \(routeDescription)")
    }

    private var regionColor: Color {
        switch suggestedTrip.region {
        case .east: return .blue
        case .central: return .green
        case .west: return .orange
        case .crossCountry: return .purple
        }
    }
}



#Preview {
    let trip = Trip(
        name: "Test Trip",
        preferences: TripPreferences(),
        stops: [
            TripStop(id: UUID(), stopNumber: 1, city: "New York", state: "NY", coordinate: nil, arrivalDate: Date(), departureDate: Date(), games: [], isRestDay: false),
            TripStop(id: UUID(),stopNumber: 2, city: "Boston", state: "MA", coordinate: nil, arrivalDate: Date(), departureDate: Date(), games: [], isRestDay: false),
            TripStop(id: UUID(),stopNumber: 3, city: "Philadelphia", state: "PA", coordinate: nil, arrivalDate: Date(), departureDate: Date(), games: [], isRestDay: false)
        ],
        totalGames: 5
    )

    let suggestedTrip = SuggestedTrip(
        id: UUID(),
        region: .east,
        isSingleSport: false,
        trip: trip,
        richGames: [:],
        sports: [.mlb, .nba]
    )

    SuggestedTripCard(suggestedTrip: suggestedTrip)
        .padding()
}