//
//  LiveRoomHeartRankingItemView.swift
//  SodaLive
//
//  Created by klaus on 11/11/24.
//

import SwiftUI
import Kingfisher

struct LiveRoomHeartRankingItemView: View {
    
    let index: Int
    let item: GetLiveRoomHeartListItem
    let itemCount: Int
    
    let crowns = ["img_rank_1", "img_rank_2", "img_rank_3"]
    
    var body: some View {
        HStack(spacing: 0) {
            ZStack(alignment: .center) {
                KFImage(URL(string: item.profileImage))
                    .cancelOnDisappear(true)
                    .downsampling(size: CGSize(width: 60, height: 60))
                    .resizable()
                    .scaledToFill()
                    .frame(width: 60, height: 60, alignment: .top)
                    .clipShape(Circle())
                
                if index < 3 {
                    Image(crowns[index])
                        .resizable()
                        .frame(width: 77, height: 75)
                }
            }
            .frame(width: 77, height: 75)
            
            Text("\(index + 1)")
                .appFont(size: 13.3, weight: .bold)
                .foregroundColor(Color.grayee)
                .padding(.leading, 20)
                .padding(.trailing, 13.3)
            
            let nickname = item.nickname.count > 10 ? "\(String(item.nickname.prefix(10)))..." : item.nickname
            Text(nickname)
                .appFont(size: 13.3, weight: .medium)
                .foregroundColor(Color.grayee)
            
            Spacer()
            
            VStack(alignment: .trailing, spacing: 8) {
                if item.heart > 0 {
                    HStack(spacing: 4) {
                        Text("\(item.heart)")
                            .appFont(size: 13.3, weight: .medium)
                            .foregroundColor(Color.button)
                        
                        Text("하트")
                            .appFont(size: 13.3, weight: .medium)
                            .foregroundColor(Color.grayee)
                    }
                }
            }
        }
        .padding(.horizontal, isTop3Index(index: index) ? 20 : 0)
        .padding(.top, getTopPadding(index: index))
        .padding(.bottom, getBottomPadding(index: index))
        .background(Color.bg.opacity(isTop3Index(index: index) ? 1 : 0))
        .cornerRadius(4.7, corners: cornerRadiusConers(index: index))
        .padding(.horizontal, isTop3Index(index: index) ? 0 : 6.7)
    }
    
    private func isTop3Index(index: Int) -> Bool {
        return index == 0 || index == 1 || index == 2
    }
    
    private func getTopPadding(index: Int) -> CGFloat {
        if index == 0 || index == 3 {
            return 20
        } else {
            return 6.7
        }
    }
    
    private func getBottomPadding(index: Int) -> CGFloat {
        if (index == 0 && itemCount == 1) || (index == 1 && itemCount == 2) || index == 2 {
            return 20
        } else {
            return 6.7
        }
    }
    
    private func cornerRadiusConers(index: Int) -> UIRectCorner {
        if (index == 0 && itemCount == 1) {
            return [.topLeft, .topRight, .bottomLeft, .bottomRight]
        } else if index == 0 {
            return [.topLeft, .topRight]
        } else if (index == 1 && itemCount == 2) || index == 2 {
            return [.bottomLeft, .bottomRight]
        } else {
            return []
        }
    }
}

#Preview {
    LiveRoomHeartRankingItemView(
        index: 0,
        item: GetLiveRoomHeartListItem(profileImage: "", nickname: "테스트", heart: 10),
        itemCount: 3
    )
}