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

import UIKit
import RxSwift
import RxCocoa

class AvatarIconListVC: BaseViewController {

    fileprivate var rootView: AvatarIconListView!

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

    private var iconIndex: String
    var onSelectIcon: ((String) -> Void)?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        rootView.configure(headPic: iconIndex)
        rootView.saveBtn.isHidden = true

        rootView.saveBtn.rx.tap.subscribe(onNext: { [weak self] _ in
            guard let self else { return }
            let selected = self.rootView.selectedHeadPic
            guard !selected.isEmpty else { return }
            self.onSelectIcon?(selected)
        }).disposed(by: disposeBag)

        rootView.onBadgeTap = { [weak self] in
            self?.showUploadPicker()
        }

        rootView.onIconSelected = { [weak self] in
            self?.rootView.saveBtn.isHidden = false
        }
    }

    private func showUploadPicker() {
        PigeonUploadPopView.show(
            onAlbum: { [weak self] in
                self?.openAlbumPicker()
            },
            onCamera: { [weak self] in
                self?.openCamera()
            }
        )
    }

    private func openAlbumPicker() {
        let picker = PhotoPickerVC(maxCount: 1)
        picker.onConfirm = { [weak self] images in
            guard let image = images.first else { return }
            self?.uploadAndChangeAvatar(image)
        }
        present(picker, animated: true)
    }

    private func openCamera() {
        guard UIImagePickerController.isSourceTypeAvailable(.camera) else {
            DLToast.showError(text: "当前设备不支持拍照")
            return
        }
        let vc = CameraCaptureVC(mode: .photo)
        vc.onPhoto = { [weak self] image in
            self?.dismiss(animated: true) {
                self?.uploadAndChangeAvatar(image)
            }
        }
        vc.modalPresentationStyle = .fullScreen
        present(vc, animated: true)
    }

    private func uploadAndChangeAvatar(_ image: UIImage) {
        guard let jpeg = image.jpegData(compressionQuality: 0.8) else {
            DLToast.show(text: "图片处理失败")
            return
        }
        DLToast.showLoading()
        UploadService.uploadURL(jpeg, kind: .jpeg, scene: "avatar")
            .subscribe(onNext: { [weak self] url in
                guard let self else { return }
                self.rootView.setPreviewImage(image)
                self.rootView.saveBtn.isHidden = true
                self.onSelectIcon?(url)
            }, onError: { error in
                DLToast.show(error, fallbackText: "更换失败")
            })
            .disposed(by: disposeBag)
    }
    
    // MARK: - Init
    init(iconIndex: String) {
        self.iconIndex = iconIndex
        super.init(nibName: nil, bundle: nil)
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

}