//
//  CharacterViewModel.swift
//  SodaLive
//
//  Created by klaus on 8/29/25.
//

import Foundation
import Combine
import Moya

final class CharacterViewModel: ObservableObject {
    // MARK: - Published State
    @Published private(set) var banners: [CharacterBannerResponse] = []
    @Published private(set) var recentCharacters: [RecentCharacter] = []
    @Published private(set) var newCharacters: [Character] = []
    @Published private(set) var curations: [CurationSection] = []
    
    @Published var isLoading: Bool = false
    @Published var errorMessage: String = ""
    @Published var isShowPopup = false
    
    // MARK: - Private
    private let repository = CharacterRepository()
    private var subscription = Set<AnyCancellable>()
    
    // MARK: - API
    func getCharacterMain() {
        self.isLoading = true
        
        repository.getCharacterMain()
            .sink { result in
                switch result {
                case .finished:
                    DEBUG_LOG("finish")
                case .failure(let error):
                    ERROR_LOG(error.localizedDescription)
                }
            } receiveValue: { response in
                let responseData = response.data
                self.isLoading = false
                
                do {
                    let jsonDecoder = JSONDecoder()
                    let decoded = try jsonDecoder.decode(ApiResponse<CharacterHomeResponse>.self, from: responseData)
                    
                    if let data = decoded.data, decoded.success {
                        self.banners = data.banners
                        self.recentCharacters = data.recentCharacters
                        self.newCharacters = data.newCharacters
                        self.curations = data.curationSections.filter { !$0.characters.isEmpty }
                    } else {
                        if let message = decoded.message {
                            self.errorMessage = message
                        } else {
                            self.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
                        }
                        
                        self.isShowPopup = true
                    }
                } catch {
                    self.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
                    self.isShowPopup = true
                }
            }
            .store(in: &subscription)
    }
}