//
//  ScheduleView.swift
//  QuickLocation
//
//  Created by 八条 on 2026/6/23.
//

import UIKit
import RxSwift
import RxCocoa
import TagListView

class ScheduleView: UIView {

    var disposeBag = DisposeBag()
    
    private func setupRx() {
        createBtn.rx.tap.subscribe(onNext: { _ in
            AppRouter.push(Route.createSchedule)
        }).disposed(by: disposeBag)
    }
    
    private func setupUI() {
        addSubview(navBgView)
        addSubview(navBarView)
        navBarView.addSubview(navTitleLabel)
        addSubview(headerView)
        addSubview(travelRouteView)
        addSubview(tableView)
        
        addSubview(createBtn)
        
        navBgView.layoutChain
            .edges(excludingEdge: .bottom)
            .height(kNaviHeight)

        navBarView.layoutChain
            .edges(excludingEdge: .bottom)
            .height(kNaviHeight)
        
        navTitleLabel.layoutChain
            .top(kStatusBarHeight + 12)
            .centerX()
        
        headerView.layoutChain
            .topToBottomOfView(navBarView)
            .edgesHorzontal()
//            .height(147)
        
        travelRouteView.layoutChain
            .topToBottomOfView(headerView)
            .edgesHorzontal()
        
        tableView.layoutChain
            .topToBottomOfView(travelRouteView)
            .edges(excludingEdge: .top)
        
        createBtn.layoutChain
            .bottom(kSafeBottomMargin + 102)
            .right(10)
            .width(60)
            .heightToWidth(1)
    }
    
    lazy var navBgView: UIImageView = {
        let iv = UIImageView()
        iv.image = UIImage(named: "Common/navBar_bg_1")
        iv.contentMode = .scaleAspectFill
        return iv
    }()
    
    lazy var navBarView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        return view
    }()

    lazy var navTitleLabel: UILabel = {
        let label = UILabel()
        label.text = "行程"
        label.font = .systemFont(ofSize: 18, weight: .medium)
        label.textColor = ThemeManager.shared.color.titleAuxColor
        label.textAlignment = .center
        return label
    }()
    
    /// 谁看过我
    lazy var headerView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        
        let titleLab = UILabel()
        titleLab.text = "谁看过我"
        titleLab.font = .systemFont(ofSize: 16, weight: .medium)
        titleLab.textColor = ThemeManager.shared.color.titleAuxColor
        view.addSubview(titleLab)
        titleLab.layoutChain
            .top(15)
        
        let dotView = UIView()
        dotView.backgroundColor = UIColor(hexStr: "#16B3FF")
        dotView.cornerRadius = 2
        view.addSubview(dotView)
        dotView.layoutChain
            .left(15)
            .centerY(titleLab)
            .width(4)
            .height(11)
        
        titleLab.layoutChain.leftToRightOfView(dotView, offset: 5)
        
        let historyBtn = UIButton()
        historyBtn.setTitle("历史行程", for: .normal)
        historyBtn.setTitleColor(ThemeManager.shared.color.titleAuxColor, for: .normal)
        historyBtn.titleLabel?.font = .systemFont(ofSize: 12, weight: .medium)
        historyBtn.rx.tap.subscribe(onNext: { _ in
            AppRouter.push(Route.scheduleHistory)
        }).disposed(by: disposeBag)
        view.addSubview(historyBtn)
        historyBtn.layoutChain
            .right(15)
            .centerY(titleLab)
        historyBtn.sizeToFit()
        
        view.addSubview(collectionView)
        collectionView.layoutChain
            .topToBottomOfView(titleLab, offset: 15)
            .edgesHorzontal()
            .height(80)
            .bottom(15)
        
        return view
    }()
    
    lazy var collectionView: UICollectionView = {
        let layout = UICollectionViewFlowLayout()
        layout.scrollDirection = .horizontal
        layout.itemSize = CGSize(width: 80, height: 80)
        layout.minimumLineSpacing = 15
        layout.sectionInset = UIEdgeInsets(top: 0, left: 15, bottom: 0, right: 15)
        let cv = UICollectionView(frame: .zero, collectionViewLayout: layout)
        cv.backgroundColor = .clear
        cv.showsHorizontalScrollIndicator = false
        cv.register(ViewedCell.self)
        return cv
    }()
    
    /// 行程路线
    lazy var travelRouteView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear

        let titleLab = UILabel()
        titleLab.text = "行程路线"
        titleLab.font = .systemFont(ofSize: 16, weight: .medium)
        titleLab.textColor = ThemeManager.shared.color.titleAuxColor
        view.addSubview(titleLab)
        titleLab.layoutChain
            .top(15)
            .edgesVertical(5)

        let dotView = UIView()
        dotView.backgroundColor = UIColor(hexStr: "#16B3FF")
        dotView.cornerRadius = 2
        view.addSubview(dotView)
        dotView.layoutChain
            .left(15)
            .centerY(titleLab)
            .width(4)
            .height(11)

        titleLab.layoutChain.leftToRightOfView(dotView, offset: 5)

        // 筛选 checkbox（从右到左）
        view.addSubview(allCheckBtn)
        view.addSubview(followedCheckBtn)
        view.addSubview(mineCheckBtn)

        allCheckBtn.layoutChain
            .right(15)
            .centerY(titleLab)
        followedCheckBtn.layoutChain
            .rightToLeftOfView(allCheckBtn, offset: -20)
            .centerY(titleLab)
        mineCheckBtn.layoutChain
            .rightToLeftOfView(followedCheckBtn, offset: -20)
            .centerY(titleLab)

        return view
    }()

    lazy var allCheckBtn: UIButton = makeCheckButton(title: "全部")
    lazy var followedCheckBtn: UIButton = makeCheckButton(title: "我关注的")
    lazy var mineCheckBtn: UIButton = makeCheckButton(title: "我的")

    private func makeCheckButton(title: String) -> UIButton {
        let btn = UIButton(type: .custom)
        btn.setImage(UIImage(named: "Schedule/checkbox"), for: .normal)
        btn.setImage(UIImage(named: "Schedule/checkbox_selected"), for: .selected)
        btn.setTitle(" \(title)", for: .normal)
        btn.setTitleColor(UIColor(hexStr: "#333333"), for: .normal)
        btn.titleLabel?.font = .systemFont(ofSize: 13, weight: .medium)
        btn.sizeToFit()
        return btn
    }
    
    lazy var tableView: UITableView = {
        let tableView = UITableView(frame: .zero, style: .plain)
        tableView.backgroundColor = .clear
        tableView.separatorStyle = .none
        tableView.estimatedRowHeight = 80
        tableView.rowHeight = UITableView.automaticDimension
        tableView.showsVerticalScrollIndicator = false
        tableView.register(ScheduleListPopCell.self)
        tableView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 97 + kSafeBottomMargin, right: 0)
        return tableView
    }()
    
    lazy var createBtn: UIButton = {
        let btn = UIButton()
        btn.setImage(UIImage(named: "Schedule/create"), for: .normal)
        return btn
    }()
    
    override init(frame: CGRect) {
        super.init(frame: .zero)
        backgroundColor = .white
        setupUI()
        setupRx()
    }

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

// MARK: - ViewedCell
final class ViewedCell: UICollectionViewCell {

    func configure(_ model: ViewedModel) {
        iconView.image = model.userIcon
        
        // 会员权益
        blurView.isHidden = AppContextManager.shared.vip > 1
        lockView.isHidden = AppContextManager.shared.vip > 1
        viewedCountLab.text = "看了\(model.count)次"
    }
    
    lazy var iconView: UIImageView = {
        let iv = UIImageView()
        iv.contentMode = .scaleAspectFill
        iv.cornerRadius = 40
        iv.clipsToBounds = true
        iv.backgroundColor = .clear
        iv.addSubview(blurView)
        blurView.layoutChain.edges()
        
        return iv
    }()
    
    lazy var blurView: UIVisualEffectView = {
        let blurEffect = UIBlurEffect(style: .systemUltraThinMaterial)
        let view = UIVisualEffectView(effect: blurEffect)
        return view
    }()
    
    lazy var lockView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        
        let lockIcon = UIImageView(image: UIImage(named: "Common/lock_white"))
        lockIcon.contentMode = .scaleAspectFill
        view.addSubview(lockIcon)
        lockIcon.layoutChain
            .top(17)
            .centerX()
        
        view.addSubview(viewedCountLab)
        viewedCountLab.layoutChain
            .bottom(17)
            .edgesHorzontal()
        
        return view
    }()
    
    lazy var viewedCountLab: UILabel = {
        let label = UILabel()
        label.font = .systemFont(ofSize: 12, weight: .medium)
        label.textColor = .white
        label.textAlignment = .center
        return label
    }()

    override init(frame: CGRect) {
        super.init(frame: frame)
        contentView.addSubview(iconView)
        contentView.addSubview(lockView)

        iconView.layoutChain
            .edges()
        
        lockView.layoutChain
            .edges()
    }

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

    
}

// MARK: - ScheduleListPopCell
class ScheduleListPopCell: UITableViewCell {

    var disposeBag = DisposeBag()
    
    func configure(_ model: ScheduleModel) {
        nameLab.text = model.nick_name + " 的行程路线"
        monthLab.text = getDateInterval2String(date: "\(model.timestamp/1000)", dateFormat: "MM月")
        editBtn.isHidden = !model.is_own
        followBtn.isHidden = model.is_own
        followBtn.isSelected = model.is_follow ? true : false

        let groupNames = model.groups.map { $0.group_name }
        // addTags 内部立即用 frame.width 排标签，先给个预估宽度避免算错
        if !groupNames.isEmpty {
            let w = contentView.frame.width > 0 ? contentView.frame.width : UIScreen.main.bounds.width
            tagListView.frame.size.width = w - 170
        }
        tagListView.removeAllTags()
        tagListView.addTags(groupNames)
        tagListView.tagViews.forEach {
            $0.layer.cornerRadius = 2
        }
        tagListView.invalidateIntrinsicContentSize()

        guard let pointModel = model.points.last else { return }
        dateLab.text = getDateInterval2String(date: "\(pointModel.expected_timestamp/1000)", dateFormat: "MM.dd")
    }
    
    override init(style: CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        selectionStyle = .none
        backgroundColor = .clear
        setupSubviews()
    }
    
    private func setupSubviews() {
        contentView.addSubview(bgView)
        bgView.addSubview(cornerView)
        cornerView.addSubview(nameLab)
        cornerView.addSubview(monthLab)
        cornerView.addSubview(dateLab)
        cornerView.addSubview(tagListView)
        cornerView.addSubview(editBtn)
        cornerView.addSubview(followBtn)
        
        bgView.layoutChain
            .top(15).bottom(15)
            .edgesHorzontal(15)
        
        cornerView.layoutChain.edges()
        
        monthLab.layoutChain
            .top(15)
            .left(11)
            .width(35)
        
        dateLab.layoutChain
            .topToBottomOfView(monthLab, offset: 4)
            .leftToView(monthLab)
            .width(35)

        editBtn.layoutChain
            .top(15)
            .right(10)
            .width(70)
            .height(28)
        
        nameLab.layoutChain
            .top(15)
            .leftToRightOfView(monthLab, offset: 15)
        
        tagListView.layoutChain
            .leftToRightOfView(dateLab, offset: 15)
            .bottom(15)
            .rightToLeftOfView(editBtn, offset: -10)

        nameLab.layoutChain.bottomToTopOfView(tagListView, offset:-5)
        
        followBtn.layoutChain
            .topToView(editBtn)
            .rightToView(editBtn)
            .width(70)
            .height(28)
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        // Initialization code
    }

    override func setSelected(_ selected: Bool, animated: Bool) {
        super.setSelected(selected, animated: animated)

        // Configure the view for the selected state
    }
    
    override func prepareForReuse() {
        super.prepareForReuse()
        disposeBag = DisposeBag()
    }
    
    lazy var bgView: UIView = {
        let view = UIView()
        view.backgroundColor = .clear
        view.layer.shadowColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.05).cgColor
        view.layer.shadowOffset = CGSize(width: 0, height: 0)
        view.layer.shadowOpacity = 1
        view.layer.shadowRadius = 8
        return view
    }()
    
    lazy var cornerView: UIView = {
        let view = UIView()
        view.backgroundColor = .white
        view.cornerRadius = 10
        return view
    }()
    
    lazy var monthLab: UILabel = {
        let label = UILabel()
        label.textColor = ThemeManager.shared.color.titleAuxColor
        label.font = .systemFont(ofSize: 14, weight: .medium)
        return label
    }()
    
    lazy var dateLab: UILabel = {
        let label = UILabel()
        label.textColor = ThemeManager.shared.color.subTitleColor
        label.font = .systemFont(ofSize: 12, weight: .regular)
        return label
    }()
    
    lazy var nameLab: UILabel = {
        let label = UILabel()
        label.textColor = ThemeManager.shared.color.titleAuxColor
        label.font = .systemFont(ofSize: 14, weight: .medium)
        return label
    }()
    
    lazy var editBtn: UIButton = {
        let btn = UIButton()
        btn.isHidden = true
        btn.setTitle("编辑", for: .normal)
        btn.titleLabel?.font = .systemFont(ofSize: 12, weight: .medium)
        btn.setTitleColor(UIColor(hexStr: "#0F2846"), for: .normal)
        btn.backgroundColor = UIColor(hexStr: "#EEFAFF")
        btn.borderWidth = 0.5
        btn.borderColor = UIColor(hexStr: "#16B3FF")
        btn.cornerRadius = 14
        return btn
    }()
    
    lazy var followBtn: UIButton = {
        let btn = UIButton()
        btn.isHidden = true
        btn.setTitle("关注", for: .normal)
        btn.setTitle("取消关注", for: .selected)
        btn.titleLabel?.font = .systemFont(ofSize: 12, weight: .medium)
        btn.setTitleColor(UIColor(hexStr: "#16B3FF"), for: .normal)
        btn.backgroundColor = .white
        btn.borderWidth = 0.5
        btn.borderColor = UIColor(hexStr: "#16B3FF")
        btn.cornerRadius = 14
        return btn
    }()
    
    lazy var tagListView: TagListView = {
        let view = TagListView()
        view.textFont = UIFont.systemFont(ofSize: 8, weight: .regular)
        view.textColor = UIColor(hexStr: "#B78C56")
        view.tagBackgroundColor = UIColor(hexStr: "#FFF3E4")
        view.paddingX = 6 // 水平内边距
        view.paddingY = 6  // 垂直内边距
        view.alignment = .left // 对齐
        view.translatesAutoresizingMaskIntoConstraints = false
        return view
    }()
}