//
//  EmergencyContactVC.swift
//  QuickLocation
//
//  Created by 八条 on 2026/6/11.
//

import UIKit
import RxSwift
import RxCocoa
import RxDataSources

class EmergencyContactVC: BaseViewController {

    fileprivate var rootView: EmergencyContactView!
    private var contacts: [EmergencyContactModel] = []

    override func loadView() {
        rootView = EmergencyContactView(frame: UIScreen.main.bounds)
        view = rootView
    }

    private var viewModel = EmergencyContactViewModel()

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

    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        requestEmergencyContactList()
    }

    private func bindViewModel() {
        viewModel.output.sectionedItems
            .bind(to: rootView.tableView.rx.items(dataSource: dataSource))
            .disposed(by: disposeBag)
        rootView.tableView.rx.setDelegate(rootView)
            .disposed(by: disposeBag)
        rootView.tableView.rx.itemSelected
            .subscribe(onNext: { [weak self] _ in
                self?.rootView.closeOpenedCell()
            })
            .disposed(by: disposeBag)
    }

    lazy private var dataSource: RxTableViewSectionedReloadDataSource<EmergencyContactListSectionModel> = {
        return RxTableViewSectionedReloadDataSource<EmergencyContactListSectionModel>(
            configureCell: { [weak self] (_, tableView, indexPath, model) in
                let cell: EmergencyContactCell = tableView.dequeueReusableCell(for: indexPath)
                cell.configure(model)
                cell.onDelete = { [weak self] in
                    self?.showConfirmPop(title: "温馨提示",
                                        message: "确定删除联系人【\(model.name)】吗？",
                                        confirmText: "是",
                                        confirmBlock: {
                        self?.requestDelete(model)
                    }, cancelText: "否")
                }
                cell.onSwipeChanged = { [weak self] current, isOpen in
                    guard let self else { return }
                    if isOpen {
                        self.closeOtherCells(except: current)
                        self.rootView.setOpenedCell(current)
                    } else {
                        self.rootView.setOpenedCell(nil)
                    }
                }
                return cell
            })
    }()

    private func closeOtherCells(except current: EmergencyContactCell) {
        rootView.tableView.visibleCells
            .compactMap { $0 as? EmergencyContactCell }
            .filter { $0 !== current }
            .forEach { $0.closeSwipe(animated: true) }
    }

    private func requestEmergencyContactList() {
        DLToast.showLoading()
        UserService.emergencyContactList().subscribe(onNext: { [weak self] response in
            guard let self else { return }
            self.contacts = response.list
            self.viewModel.loadData(response.list)
            self.rootView.updateCount(response.list.count)
        }, onError: { _ in }).disposed(by: disposeBag)
    }

    private func requestDelete(_ model: EmergencyContactModel) {
        DLToast.showLoading()
        UserService.emergencyContactDelete(id: model.id, phone: model.phone)
            .subscribe(onNext: { [weak self] _ in
                DLToast.show(text: "已删除")
                self?.requestEmergencyContactList()
            }, onError: { _ in }).disposed(by: disposeBag)
    }
}