//
//  ContentMainTabHomeRankCreatorView.swift
//  SodaLive
//
//  Created by klaus on 2/20/25.
//

import SwiftUI
import Kingfisher

struct ContentMainTabHomeRankCreatorView: View {
    
    @AppStorage("token") private var token: String = UserDefaults.string(forKey: UserDefaultsKey.token)
    
    let response: GetExplorerSectionResponse
    
    let rankingCrawns = ["ic_crown_1", "ic_crown_2", "ic_crown_3"]
    let rankingColors = [
        [Color(hex: "ffdc00"), Color(hex: "ffb600")],
        [Color(hex: "ffffff"), Color(hex: "9f9f9f")],
        [Color(hex: "e6a77a"), Color(hex: "c67e4a")],
        [Color(hex: "ffffff").opacity(0), Color(hex: "ffffff").opacity(0)]
    ]
    
    var body: some View {
        VStack(alignment: .leading, spacing: 0) {
            if let desc = response.desc {
                VStack(spacing: 8) {
                    Text("\(desc)")
                        .font(.custom(Font.bold.rawValue, size: 14.7))
                        .foregroundColor(Color.grayee)
                    
                    Text("※ 인기 순위는 매주 업데이트됩니다.")
                        .font(.custom(Font.light.rawValue, size: 13.3))
                        .foregroundColor(Color.graybb)
                }
                .padding(.vertical, 8)
                .frame(maxWidth: .infinity)
                .background(Color.gray22)
                .padding(.top, 13.3)
            }
            
            if let coloredTitle = response.coloredTitle, let color = response.color {
                let titleArray = response.title.components(separatedBy: coloredTitle)
                HStack(spacing: 0) {
                    Text(titleArray[0])
                        .font(.custom(Font.bold.rawValue, size: 18.3))
                        .foregroundColor(Color.grayee)
                    
                    Text(coloredTitle)
                        .font(.custom(Font.bold.rawValue, size: 18.3))
                        .foregroundColor(Color(hex: color))
                    
                    if titleArray.count > 1 {
                        Text(titleArray[1])
                            .font(.custom(Font.bold.rawValue, size: 18.3))
                            .foregroundColor(Color.grayee)
                    }
                }
                .padding(.top, 30)
            } else {
                Text(response.title)
                    .font(.custom(Font.bold.rawValue, size: 18.3))
                    .foregroundColor(Color.grayee)
                    .padding(.top, 30)
            }
            
            ScrollView(.horizontal, showsIndicators: false) {
                HStack(spacing: 13.3) {
                    ForEach(0..<response.creators.count, id: \.self) { index in
                        let creator = response.creators[index]
                        VStack(spacing: 0) {
                            if let _ = response.desc {
                                ZStack {
                                    KFImage(URL(string: creator.profileImageUrl))
                                        .cancelOnDisappear(true)
                                        .downsampling(size: CGSize(width: 90, height: 90))
                                        .resizable()
                                        .clipShape(Circle())
                                        .frame(width: 90, height: 90)
                                        .overlay(
                                            Circle()
                                                .stroke(
                                                    AngularGradient(colors: rankingColors[index < 4 ? index : 3], center: .center),
                                                    lineWidth: 3
                                                )
                                        )
                                    
                                    if index < 3 {
                                        VStack(alignment: .trailing, spacing: 0) {
                                            Spacer()
                                            
                                            Image(rankingCrawns[index])
                                                .resizable()
                                                .frame(width: 37, height: 37)
                                        }
                                        .frame(width: 93.3, height: 93.3, alignment: .trailing)
                                    }
                                }
                                .frame(width: 93.3, height: 93.3)
                            } else {
                                KFImage(URL(string: creator.profileImageUrl))
                                    .cancelOnDisappear(true)
                                    .downsampling(size: CGSize(width: 93, height: 93))
                                    .resizable()
                                    .clipShape(Circle())
                                    .frame(width: 93, height: 93)
                            }
                            
                            Text(creator.nickname)
                                .font(.custom(Font.medium.rawValue, size: 11.3))
                                .foregroundColor(Color.grayee)
                                .lineLimit(1)
                                .frame(width: 93.3)
                                .padding(.top, 13.3)
                            
                            Text(creator.tags)
                                .font(.custom(Font.medium.rawValue, size: 10))
                                .foregroundColor(Color.button)
                                .lineLimit(1)
                                .frame(width: 93.3)
                                .padding(.top, 3.3)
                        }
                        .contentShape(Rectangle())
                        .onTapGesture {
                            if !token.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
                                AppState.shared
                                    .setAppStep(step: .creatorDetail(userId: creator.id))
                            } else {
                                AppState.shared
                                    .setAppStep(step: .login)
                            }
                        }
                    }
                }
            }
            .padding(.top, 13.3)
        }
    }
}

#Preview {
    ContentMainTabHomeRankCreatorView(
        response: GetExplorerSectionResponse(
            title: "인기 크리에이터",
            coloredTitle: "인기",
            color: "ff5c49",
            desc: "2025년 02월 10일 ~ 02월 16일",
            creators: [
                GetExplorerSectionCreatorResponse(
                    id: 1,
                    nickname: "User1",
                    tags: "",
                    profileImageUrl: "https://test-cf.sodalive.net/profile/default-profile.png"
                ),
                GetExplorerSectionCreatorResponse(
                    id: 2,
                    nickname: "User2",
                    tags: "",
                    profileImageUrl: "https://test-cf.sodalive.net/profile/default-profile.png"
                ),
                GetExplorerSectionCreatorResponse(
                    id: 3,
                    nickname: "User3",
                    tags: "",
                    profileImageUrl: "https://test-cf.sodalive.net/profile/default-profile.png"
                ),
                GetExplorerSectionCreatorResponse(
                    id: 4,
                    nickname: "User4",
                    tags: "",
                    profileImageUrl: "https://test-cf.sodalive.net/profile/default-profile.png"
                )
            ]
        )
    )
}