//
//  VipRechargeVC.swift
//  QuickLocation
//
//  Created by 八条 on 2026/6/3.
//

import UIKit
import RxSwift
import RxCocoa
import RxDataSources

class VipRechargeVC: BaseViewController {

    fileprivate var rootView: VipRechargeView!

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

    override func viewDidLoad() {
        super.viewDidLoad()
        bindViewModel()
        reactiveAction()
        requestRechargeInfo()
    }

    private func bindViewModel() {
        viewModel.output.sectionedItems
            .bind(to: rootView.expenseCollectionView.rx.items(dataSource: dataSource))
            .disposed(by: disposeBag)
    }

    private func reactiveAction() {
        Observable.zip(
            rootView.expenseCollectionView.rx.itemSelected,
            rootView.expenseCollectionView.rx.modelSelected(VipExpenseModel.self)
        ).subscribe(onNext: { indexPath, model in
            self.viewModel.selectedIndex = indexPath.row
            self.rootView.setupPayTypes(model.pay_type)
            self.rootView.animatePrice(to: model.price)
            self.rootView.discountLab.text = self.viewModel.discountPriceString
            self.viewModel.refreshData()
        })
        .disposed(by: disposeBag)
    }
    
    // MARK: - dataSource
    private lazy var dataSource: RxCollectionViewSectionedReloadDataSource<ExpenseListSectionModel> = {
        RxCollectionViewSectionedReloadDataSource<ExpenseListSectionModel> { datasource, collectionView, indexPath, model in
            let cell: ExpenseCell = collectionView.dequeueReusableCell(for: indexPath)
            cell.configure(model: model, isSelected: self.viewModel.selectedIndex == indexPath.row)
            return cell
        }
    }()

    // MARK: - API
    private func requestRechargeInfo() {
        DLToast.showLoading()
        SystemService.rechargeInfo(type: "member").subscribe(onNext: { [weak self] response in
            guard let self = self else { return }
            self.viewModel.loadData(list: response.list)
            self.rootView.setupPayTypes(self.viewModel.payType)
            self.rootView.animatePrice(to: self.viewModel.price)
            self.rootView.discountLab.text = self.viewModel.discountPriceString
        }).disposed(by: disposeBag)
    }
}