import SwiftUI

struct MainContentRankChangeBadge: View {
    let showRankChange: Bool
    let rankChange: Int?
    let isNew: Bool

    var body: some View {
        if showRankChange {
            if isNew {
                Image("ic_rank_new")
                    .resizable()
                    .frame(width: 28, height: 18)
            } else if let rankChange {
                HStack(spacing: 2) {
                    switch rankChange {
                    case let value where value > 0:
                        rankChangeText(abs(value))
                        rankChangeIcon("ic_rank_caret_increase")
                    case let value where value < 0:
                        rankChangeText(abs(value))
                        rankChangeIcon("ic_rank_caret_decrease")
                    default:
                        rankChangeIcon("ic_rank_caret_stay")
                    }
                }
                .padding(.horizontal, 4)
                .padding(.vertical, 3)
                .background(Color.gray900)
                .cornerRadius(4)
            }
        }
    }

    private func rankChangeText(_ value: Int) -> some View {
        Text("\(value)")
            .appFont(.caption2)
            .foregroundColor(Color.gray400)
            .lineLimit(1)
    }

    private func rankChangeIcon(_ name: String) -> some View {
        Image(name)
            .resizable()
            .scaledToFit()
            .frame(width: 14, height: 14)
    }
}