//
//  KMConvertPageRangeSettingItemView.swift
//  PDF Master
//
//  Created by tangchao on 2022/12/6.
//

import Cocoa

typealias KMConvertPageRangeSettingItemViewTextDidEndEditing = (_ textString: String) -> ()
class KMConvertPageRangeSettingItemView: NSView, NibLoadable {
    
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var pageSizeComboBox: NSComboBox!
    @IBOutlet weak var pageSizeBox: NSBox!

    @IBOutlet weak var pagesizeBoxHeight: NSLayoutConstraint!
    
    var pageSizeVC: KMDesignSelect!

    
    var pageRangeValue: String = ""
    
    var itemClick: KMCommonClickBlock?
    var textDidEndEditingCallback: KMConvertPageRangeSettingItemViewTextDidEndEditing!
    
    var isTextDidEndCallback: Bool = false
    var pageCount = 0
    
    static var nibName: String? {
        return "KMConvertBaseWindowController"
    }
    
    static func createFromNib(in bundle: Bundle = Bundle.main) -> Self? {
        guard let nibName = nibName else { return nil }
        var topLevelArray: NSArray? = nil
        bundle.loadNibNamed(NSNib.Name(nibName), owner: nil, topLevelObjects: &topLevelArray)
        guard let results = topLevelArray else { return nil }
        let views = Array<Any>(results).filter { $0 is Self }
        return views.last as? Self
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        pageSizeVC = KMDesignSelect.init(withType: .Combox)
        
        pageSizeBox.fillColor = .clear
        pageSizeBox.contentView = pageSizeVC.view
        
        pageSizeVC.removeAllItems()
        pageSizeVC.addItems(withObjectValues: [KMTools.pageRangeTypeString(pageRange: .all),
                                               KMTools.pageRangeTypeString(pageRange: .current),
                                               KMTools.pageRangeTypeString(pageRange: .odd),
                                               KMTools.pageRangeTypeString(pageRange: .even),
                                               KMTools.pageRangeTypeString(pageRange: .custom)])
        pageSizeVC.selectItem(at: 0)
        pageSizeVC.editable = false //默认属性，初始化可不设置
        pageSizeVC.delete = self
        pageSizeVC.placeholderString = NSLocalizedString("eg. 1,3-5,10", comment: "")
        
        titleLabel.stringValue = NSLocalizedString("Page Range", comment: "")
        titleLabel.textColor = NSColor(hex: "#616469")
        titleLabel.font = .SFProTextSemibold(12)
        
        pageSizeVC.updateUI()
    }
}

extension KMConvertPageRangeSettingItemView: KMSelectPopButtonDelegate {
    func km_controlTextDidChange(_ obj: KMDesignSelect) {
        if pageSizeVC != obj {
            return
        }

        self.pageRangeValue = pageSizeVC.stringValue
    }
    
    func km_controlTextDidEndEditing(_ obj: KMDesignSelect) {
        if pageSizeVC != obj {
            return
        }
        if (!self.isTextDidEndCallback) {
            return
        }
        if (self.pageSizeVC.indexOfSelectedItem != (self.pageSizeVC.numberOfItems-1)) {
            /// 其他item切换
            return
        }
        guard let callback = textDidEndEditingCallback else {
            return
        }
        callback(pageSizeVC.stringValue)
    }
    
    func km_comboBoxSelectionDidChange(_ obj: KMDesignSelect) {
        if pageSizeVC != obj {
            return
        }

        let index = pageSizeVC.indexOfSelectedItem
        if index < 0 {
            return
        }

        if index == pageSizeVC.numberOfItems-1 {
            pageSizeVC.editable = true
            DispatchQueue.main.async { [self] in
                pageSizeVC.stringValue = ""
            }
            self.window?.makeFirstResponder(pageSizeVC.textField)
        } else {
            self.window?.makeFirstResponder(nil)
            pageSizeVC.editable = false
        }

        guard let callback = itemClick else {
            return
        }
        callback(index)
    }
    
    func km_SelectPopoverWillShow(_ obj: KMDesignSelect) {
        if (self.pageCount <= 1) {
            self.pageSizeVC.disItems = [KMTools.pageRangeTypeString(pageRange: .even)]
        } else {
            self.pageSizeVC.disItems = []
        }
    }
}