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

import Cocoa

typealias KMConvertPageRangeSettingItemViewTextDidEndEditing = (_ textString: String) -> ()
class KMConvertPageRangeSettingItemView: KMConvertBaseView {
    
    @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
    
    override func initSubViews() {
        super.initSubViews()
        
        self.pageSizeVC = KMDesignSelect.init(withType: .Combox)
        self.pageSizeBox.contentView = self.pageSizeVC!.view
        self.pageSizeVC?.removeAllItems()
        self.pageSizeVC?.addItems(withObjectValues: [KMTools.pageRangeTypeString(pageRange: .all),
                                               KMTools.pageRangeTypeString(pageRange: .current),
                                               KMTools.pageRangeTypeString(pageRange: .odd),
                                               KMTools.pageRangeTypeString(pageRange: .even),
                                               KMTools.pageRangeTypeString(pageRange: .custom)])
        self.pageSizeVC?.selectItem(at: 0)
        self.pageSizeVC?.editable = false //默认属性，初始化可不设置
        self.pageSizeVC?.delete = self
        self.pageSizeVC?.placeholderString = NSLocalizedString("eg. 1,3-5,10", comment: "")
        self.pageSizeVC?.updateUI()
    }
    
    override func initDefaultVlaue() {
        super.initDefaultVlaue()
        
        self.pageSizeBox.fillColor = .clear
        
        self.titleLabel.stringValue = NSLocalizedString("Page Range", comment: "")
        self.titleLabel.textColor = NSColor.km_init(hex: "#616469")
        self.titleLabel.font = .SFProTextSemiboldFont(12)
    }
}

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

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

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

        guard let callback = self.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 = []
        }
    }
}