//
//  CreateGroupVC.swift
//  QuickLocation
//
//  Created by 八条 on 2026/6/2.
//

import UIKit
import RxSwift
import RxCocoa
import RxDataSources

class CreateGroupVC: BaseViewController {

    fileprivate var rootView: CreateGroupView!

    override func loadView() {
        rootView = CreateGroupView(frame: UIScreen.main.bounds)
        view = rootView
    }
    
    private var viewModel = CreateGroupViewModel()

    override func viewDidLoad() {
        super.viewDidLoad()
        
        bindViewModel()
        reactiveAction()
        
        viewModel.loadData()
    }
    
    private func reactiveAction() {
        rootView.groupIconInputView.rx.tapGesture.subscribe { _ in
            let vc = GroupIconListVC(iconIndex: "1")
            vc.onSelectIcon = { index in
                self.viewModel.iconIndex = index
                self.rootView.groupIconImgView.image = UIImage(named: "GroupIcon/\(index)")
            }
            self.navigationController?.pushViewController(vc, animated: true)
        }.disposed(by: disposeBag)
        
        rootView.submitBtn.rx.tap.subscribe(onNext: { _ in
            self.viewModel.requestCreateGroup()
        }).disposed(by: disposeBag)
    }
    
    private func bindViewModel() {
        rootView.groupNameTF.rx.text.orEmpty
            .bind(to: viewModel.groupName)
            .disposed(by: disposeBag)
        
        rootView.groupContentTV.rx.text.orEmpty
            .bind(to: viewModel.groupDesc)
            .disposed(by: disposeBag)
        
        viewModel.output.sectionedItems
            .bind(to: rootView.tagView.rx.items(dataSource: dataSource))
            .disposed(by: disposeBag)
        
        rootView.tagView.rx.modelSelected(String.self)
            .subscribe(viewModel.cellAction.inputs)
            .disposed(by: disposeBag)
    }
    
    // MARK: - dataSource
    private lazy var dataSource: RxCollectionViewSectionedReloadDataSource<GroupTagListSectionModel> = {
        RxCollectionViewSectionedReloadDataSource<GroupTagListSectionModel> { datasource, collectionView, indexPath, item in
            let cell: TagCell = collectionView.dequeueReusableCell(for: indexPath)
            cell.configure(item, isSelected: self.viewModel.isSelected(tag: item))
            return cell
        }
    }()
}