//
//  KMNThumbnailCollectionViewItem.swift
//  PDF Reader Pro
//
//  Created by 丁林圭 on 2024/10/21.
//

import Cocoa

import KMComponentLibrary

class KMNThumbnailCollectionViewItem: NSCollectionViewItem {
    
    @IBOutlet var cardFileView: ComponentCardFile!
    
    var doubleClickBack: (() -> Void)?
    
    public var thumbnailMode: KMNThumbnail = KMNThumbnail.init() {
        didSet {
            var orgPageHeight = thumbnailMode.pageSize.height
            var orgPagewidth = thumbnailMode.pageSize.width
            
            if (thumbnailMode.thumbnaiPage?.rotation ?? 0) % 180 != 0 {
                orgPageHeight = thumbnailMode.pageSize.width
                orgPagewidth = thumbnailMode.pageSize.height
            }
            
            cardFileView.properties = ComponentCardFileProperty(folder: false,
                                                                state: .normal,
                                                                icon: NSImage.init(named: "KMNImageNameThumbnailPlaceImage"),
                                                                text: String(format: "%d", (thumbnailMode.pageIndex+1)),
                                                                subText: String(format: "%.0f x %.0fmm", (thumbnailMode.pageSize.width / 595 * 210), (thumbnailMode.pageSize.height / 842 * 297)),
                                                                markIcon:NSImage.init(named: "KMNImageNameThumbnailBookMark"))
            cardFileView.properties.isShowSubText = isShowFileSize
            
            cardFileView.properties.propertyInfo.infoLabelHeight =  infoThumTitleHeight
            cardFileView.properties.isShowMarkIcon = thumbnailMode.isHoveBookMark
            cardFileView.reloadData()
            
            let maxThumCellWidth = self.view.frame.size.width - infoThumTitleBottom * 2
            
            var maxThumCellHeight = self.view.frame.size.height
            
            maxThumCellHeight -= cardFileView.properties.propertyInfo.infoLabelHeight
            
            maxThumCellHeight -= cardFileView.properties.propertyInfo.subLabelHeight
            
            maxThumCellHeight -= (cardFileView.properties.propertyInfo.topIconOffset + cardFileView.properties.propertyInfo.bottomOffset + cardFileView.properties.propertyInfo.topLabelOffset) //间隔
            
            let minimumValue = min(maxThumCellHeight/orgPageHeight, maxThumCellWidth/orgPagewidth)
            
            let relCellHeight = orgPageHeight * minimumValue
            let relCellWidth = orgPagewidth * minimumValue
            
            thumbnailMode.generateThumImage { image in
                self.cardFileView.properties.propertyInfo.iconImageWidth = relCellWidth
                self.cardFileView.properties.propertyInfo.iconImageHeight = relCellHeight
                if(image != nil) {
                    self.cardFileView.properties.icon = image
                }
                self.cardFileView.reloadData()
            }
        }
    }
    
    override var isSelected: Bool{
        didSet {
            cardFileView.properties.state = isSelected ? .pressed : .normal
            
            cardFileView.reloadData()
        }
    }
    
    public var isShowFileSize :Bool = false
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
    }
    
    override func mouseDown(with event: NSEvent) {
        super.mouseDown(with: event)
        if (event.clickCount > 1) {
            doubleClickBack?()
        }
    }
    
}