//
//  LiveReservationItemView.swift
//  SodaLive
//
//  Created by klaus on 2023/08/10.
//

import SwiftUI
import Kingfisher

struct LiveReservationItemView: View {
    
    let item: GetRoomListResponse
    
    @State var dateDic: [String: String] = [:]
    
    var body: some View {
        HStack(spacing: 16) {
            ZStack(alignment: .topLeading) {
                KFImage(URL(string: item.creatorProfileImage))
                    .cancelOnDisappear(true)
                    .resizable()
                    .scaledToFill()
                    .frame(width: 100, height: 100, alignment: .top)
                    .cornerRadius(16)
                    .clipped()
                
                if item.isPrivateRoom {
                    Image("ic_lock")
                        .resizable()
                        .frame(width: 20, height: 20)
                        .padding(4)
                        .background(Color(hex: "333333").opacity(0.7))
                        .clipShape(Circle())
                        .padding(.leading, 4)
                        .padding(.top, 4)
                }
            }
            
            VStack(alignment: .leading, spacing: 8) {
                Text(item.creatorNickname)
                    .font(.custom(Font.preRegular.rawValue, size: 18))
                    .foregroundColor(.white)
                    .lineLimit(1)
                    .truncationMode(.tail)
                
                Text(item.title)
                    .font(.custom(Font.preRegular.rawValue, size: 14))
                    .foregroundColor(Color(hex: "B0BEC5"))
                    .lineLimit(1)
                    .truncationMode(.tail)
                
                HStack(spacing: 4) {
                    Text("\(dateDic["dayOfWeek"] ?? "")")
                        .font(.custom(Font.preRegular.rawValue, size: 14))
                        .foregroundColor(Color(hex: "78909C"))
                    
                    Text("|")
                        .font(.custom(Font.preRegular.rawValue, size: 14))
                        .foregroundColor(Color(hex: "78909C"))
                    
                    Text("\(dateDic["time"] ?? "")")
                        .font(.custom(Font.preRegular.rawValue, size: 14))
                        .foregroundColor(Color(hex: "98A2F6"))
                }
            }
            
            Spacer()
            
            VStack(alignment: .trailing, spacing: 8) {
                VStack(spacing: 0) {
                    Text("\(dateDic["month"] ?? "")월")
                        .font(.custom(Font.preBold.rawValue, size: 14))
                        .foregroundColor(.white)
                        .padding(.vertical, 6)
                        .frame(maxWidth: .infinity)
                        .background(Color(hex: "FF5C49"))
                        .cornerRadius(16, corners: [.topLeft, .topRight])
                    
                    Text("\(dateDic["day"] ?? "")")
                        .font(.custom(Font.preBold.rawValue, size: 14))
                        .foregroundColor(Color(hex: "263238"))
                        .padding(.vertical, 6)
                        .frame(maxWidth: .infinity)
                        .background(Color(hex: "FFFFFF"))
                        .cornerRadius(16, corners: [.bottomLeft, .bottomRight])
                }
                
                if item.price > 0 {
                    HStack(spacing: 2) {
                        Image("ic_can_circle")
                            .resizable()
                            .frame(width: 12, height: 12)
                        
                        Text("\(item.price)")
                            .font(.custom(Font.preRegular.rawValue, size: 12))
                            .foregroundColor(.white)
                    }
                    .padding(4)
                    .frame(maxWidth: .infinity)
                    .background(Color(hex: "3b5ff1"))
                    .cornerRadius(4)
                } else {
                    Text("무료")
                        .font(.custom(Font.preRegular.rawValue, size: 14))
                        .foregroundColor(Color(hex: "#263238"))
                        .padding(4)
                        .frame(maxWidth: .infinity)
                        .background(Color.white)
                        .cornerRadius(4)
                }
            }
            .frame(width: 55)
        }
        .padding(10)
        .background(Color(hex: "263238"))
        .cornerRadius(16)
        .onAppear {
            self.dateDic = parseUtcIsoLocalDateTime(item.beginDateTimeUtc)
        }
    }
    
    func parseUtcIsoLocalDateTime(_ utcString: String) -> [String: String] {
        // 1. 서버에서 내려온 포맷: "yyyy-MM-dd'T'HH:mm:ss"
        let utcFormatter = DateFormatter()
        utcFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss"
        utcFormatter.locale = Locale.current
        utcFormatter.timeZone = TimeZone(abbreviation: "UTC")
        
        // 2. 문자열 → Date 객체
        guard let date = utcFormatter.date(from: utcString) else {
            return [:]  // 파싱 실패 시 빈 딕셔너리 반환
        }
        
        // 3~6. 출력용 Formatter (로컬 시간 기준)
        let localFormatter = DateFormatter()
        localFormatter.locale = Locale.current
        localFormatter.timeZone = TimeZone.current
        
        // 3. 월 (1~12)
        localFormatter.dateFormat = "M"
        let month = localFormatter.string(from: date)
        
        // 4. 일 (1~31)
        localFormatter.dateFormat = "d"
        let day = localFormatter.string(from: date)
        
        // 5. 요일 (예: "Mon", "목")
        localFormatter.dateFormat = "E"
        let dayOfWeek = localFormatter.string(from: date)
        
        // 6. 시간 (예: "AM 05:00")
        localFormatter.dateFormat = "a hh:mm"
        let time = localFormatter.string(from: date)
        
        return [
            "month": month,
            "day": day,
            "dayOfWeek": dayOfWeek,
            "time": time
        ]
    }
}

struct LiveReservationItemView_Previews: PreviewProvider {
    static var previews: some View {
        LiveReservationItemView(item: GetRoomListResponse(
            roomId: 99,
            title: "test",
            content: "testtest",
            beginDateTime: "2022.05.23 Mon 03:00 PM",
            beginDateTimeUtc: "2025-08-10T15:00:00",
            numberOfParticipate: 0,
            numberOfPeople: 5,
            coverImageUrl: "https://test-cf.sodalive.net/profile/default-profile.png",
            isAdult: false,
            price: 0,
            tags: ["팬미팅", "힐링"],
            channelName: nil,
            creatorProfileImage: "https://test-cf.sodalive.net/profile/default-profile.png",
            creatorNickname: "user8",
            creatorId: 19,
            isReservation: false,
            isPrivateRoom: true
        ))
    }
}