//
//  MedalViewController.swift
//  HDFwear
//
//  Created by yangbin on 2022/3/23.
//

import UIKit
import SnapKit

class MedalViewController: UIViewController {
    
    @IBOutlet weak var collectionView: UICollectionView!
    @IBOutlet weak var collectionViewFlowLayout: UICollectionViewFlowLayout!
    var textArray: [String] = ["步数", "爬高", "热量", "里程", "跑步"]
//    var medalArray: [[String]] = [["单日1万步", "单日2万步", "单日3万步", "累计5万步", "累计10万步", "累计50万步", "连续7天1万步", "连续21天1万步", "连续100天1万步"], ["胡夫金字塔", "埃菲尔铁塔", "广州塔", "迪拜塔", "富士山", "珠穆朗玛峰"], ["单日200千卡", "单日500千卡", "单日800千卡", "累计1000千卡", "累计5000千卡", "累计10000千卡", "累计2万千卡", "累计5万千卡", "累计10万千卡"], ["环操场20圈", "环操场50圈", "环操场100圈", "北京五环路", "青海湖", "塞浦路斯岛", "台湾岛", "爱尔兰岛", "马达加斯加岛"], ["挑战2千米", "挑战5千米", "挑战10千米", "挑战半马", "挑战全马", "累计10千米", "累计50千米", "累计100千米", "累计500千米", "累计1000千米", "连续7天跑步", "连续21天跑步"]]
//    var valueDic: [String: String] = ["单日1万步"]
    
    var medalArray: [[MedalModel]] = []
    
    var language = AppSettings.shared.language
    
    override func viewDidLoad() {
        super.viewDidLoad()
        title = LocString("勋章")
                
        for text in textArray {
            if let array = RealmTools.queryObjects(MedalModel.self, filter: "type == %@", [text]) as? [MedalModel] {
                medalArray.append(array)
            }
        }
        
        print(medalArray)
        
//        let plistPath = Bundle.main.path(forResource: "Medal", ofType: "plist")

        
        let shareButton = UIButton(frame: CGRect(x: 0, y: 0, width: 40, height: 28))
        shareButton.setImage(UIImage(named: "share_btn"), for: .normal)
        shareButton.addTarget(self, action: #selector(share), for: .touchUpInside)
        navigationItem.rightBarButtonItem =  UIBarButtonItem(customView: shareButton)
        
        collectionViewFlowLayout.minimumLineSpacing = 1
        collectionViewFlowLayout.minimumInteritemSpacing = 10
        collectionViewFlowLayout.sectionInset = UIEdgeInsets(top: 2, left: 7, bottom: 5, right: 7)
        let width = (SCREEN_WIDTH-36)/3.0
        collectionViewFlowLayout.itemSize = CGSize(width: width, height: width+30)
        collectionViewFlowLayout.headerReferenceSize = CGSize(width: SCREEN_WIDTH, height: 30)
        collectionView.register(UINib.init(nibName: "MedalCell", bundle: .main), forCellWithReuseIdentifier: "MedalCell")
        collectionView.register(UINib(nibName: "MedalHeaderView", bundle: .main), forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "MedalHeaderView")
        collectionView.showsVerticalScrollIndicator = false
        // Do any additional setup after loading the view.
    }
    
    @objc func share() {
        collectionView.scrollToItem(at: IndexPath(row: 0, section: textArray.count-1), at: .bottom, animated: false)
        if let _ = screenShot() {
            let shareView = ShareView(self.screenShot())
            shareView.show()
        }
    }
    
    func screenShot() -> UIImage? {
        UIGraphicsBeginImageContextWithOptions(self.collectionView.contentSize, true, 0.0)
        //先保存原来frame 和 偏移量
        let savedContentOffset = self.collectionView.contentOffset;
        let savedFrame = self.collectionView.frame;
        let contentSize = self.collectionView.contentSize;
        let oldBounds = self.collectionView.layer.bounds;
        if #available(iOS 13, *) {
            //iOS 13 系统截屏需要改变tableview 的bounds
            self.collectionView.layer.bounds = CGRect(x: oldBounds.origin.x, y: oldBounds.origin.y, width: contentSize.width, height: contentSize.height)
            
        }
        //偏移量归零
        self.collectionView.contentOffset = CGPoint.zero;
        //frame变为contentSize
        self.collectionView.frame = CGRect(x: 0, y: 0, width: self.collectionView.contentSize.width, height: self.collectionView.contentSize.height)
        
        
        //截图
        self.collectionView.layer.render(in: UIGraphicsGetCurrentContext()!)
        
        if #available(iOS 13,*) {
            self.collectionView.layer.bounds = oldBounds
        }
        let image = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        //还原frame 和 偏移量
        self.collectionView.contentOffset = savedContentOffset
        self.collectionView.frame = savedFrame
        return image
        //        }
        
    }
    

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destination.
        // Pass the selected object to the new view controller.
    }
    */

}

extension MedalViewController: UICollectionViewDelegate, UICollectionViewDataSource {
    func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView {
        var reusableView: UICollectionReusableView?
        if kind == UICollectionView.elementKindSectionHeader {
            let headerView = collectionView.dequeueReusableSupplementaryView(ofKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "MedalHeaderView", for: indexPath) as! MedalHeaderView
            headerView.titleLabel.text = LocString(textArray[indexPath.section])
            reusableView = headerView
        }
        return reusableView!
    }
    
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return textArray.count
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return medalArray[section].count
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "MedalCell", for: indexPath) as! MedalCell
        let medal = medalArray[indexPath.section][indexPath.row]
        var imageName = medal.title
        if medal.date == nil {
            imageName += "灰"
        }
        if language != .Chinese {
            imageName += "英"
        }
        cell.imageView.image = UIImage(named: imageName)
        cell.detailLabel.text = LocString(medal.title)
        return cell
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
//        let cell = collectionView.cellForItem(at: indexPath) as! MedalCell
        let vc = UIStoryboard.loadViewControllerIdentifier(storyboardName: "Mine", identifier: "MedalDetailVC") as! MedalDetailVC
        let medal = medalArray[indexPath.section][indexPath.row]
        vc.medal = medal
        navigationController?.pushViewController(vc, animated: true)
    }
}