//
//  KMPDFMergePageRangeTabelViewCell.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/10/11.
//

import Cocoa

@objcMembers class KMPDFMergePageRangeTabelViewCell: NSTableCellView {
    var pageCount: Int = 0
    var callback: ((Int) -> Void)?
    var textDidChange: ((String) -> Void)?
    var textDidEndEdit: ((String, KMPDFMergePageRangeTabelViewCell) -> Void)?
    
    var comboBox: KMMergeSelect?
    
    override init(frame frameRect: NSRect) {
        super.init(frame: frameRect)
        self.initSubviews()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        self.initSubviews()
    }
    
    override var isFlipped: Bool {
        return true
    }
    
    func initSubviews() {
        let comboBox = KMMergeSelect(withType: .Combox)
        self.addSubview(comboBox.view)
        self.comboBox = comboBox
        
        self.comboBox?.removeAllItems()
        self.comboBox?.addItems(withObjectValues: [KMLocalizedString("All Pages", nil),KMLocalizedString("Odd Pages", nil),KMLocalizedString("Even Pages", nil),KMLocalizedString("Customized", nil)])
        
        self.comboBox?.stringValue = KMLocalizedString("All Pages", nil)
        self.comboBox?.editable = false
        self.comboBox?.delete = self
        self.comboBox?.placeholderString = KMLocalizedString("eg .1,3-5,10", nil)
        

    }
    
    override func layout() {
        super.layout()
        
        let width = NSWidth(self.bounds)
        let height = NSHeight(self.bounds)
        
        let comboBoxH = 26.0
        self.comboBox?.view.frame = NSMakeRect(10, (height-comboBoxH)*0.5, width-10, comboBoxH)
        
    }
    
    func updatePageRange(_ pageRange: KMPageRange, pageStrings: String, isFirstResponser: Bool = true) {
        if (pageRange == .all) {
            self.comboBox?.stringValue = KMLocalizedString("All Pages", nil)
            self.comboBox?.editable = false
            self.comboBox?.alert = false
        } else if (pageRange == .odd) {
            self.comboBox?.stringValue = KMLocalizedString("Odd Pages", nil)
            self.comboBox?.editable = false
            self.comboBox?.alert = false
        } else if (pageRange == .even) {
            self.comboBox?.stringValue = KMLocalizedString("Even Pages", nil)
            self.comboBox?.editable = false
            self.comboBox?.alert = false
        } else {
            self.comboBox?.stringValue = pageStrings
            self.comboBox?.editable = true
            if (pageStrings.isEmpty) {
                self.comboBox?.alert = true
            } else {
                self.comboBox?.alert = false
            }
            if (isFirstResponser || pageStrings.isEmpty) {
                if let data = self.window?.firstResponder, data.isEqual(to: self.comboBox?.textField) == false {
                    if (Thread.isMainThread) {
                        self.window?.makeFirstResponder(self.comboBox?.textField)
                    } else {
                        DispatchQueue.main.async {
                            self.window?.makeFirstResponder(self.comboBox?.textField)
                        }
                    }
                }
            }
        }
    }
    
    
    
/*
 - (void)updateRageRangeState:(NSInteger)state {
     if (state == 9) {
         self.comboBox.state = KMDesignTokenStateError_def;
     } else if (state == 10) {
         self.comboBox.state = KMDesignTokenStateError_focus;
     }
 }
 */
    
}

extension KMPDFMergePageRangeTabelViewCell: KMSelectPopButtonDelegate {
    func km_comboBoxSelectionDidChange(_ obj: KMDesignSelect) {
        guard let data = self.callback else {
            return
        }
        var index = obj.indexOfSelectedItem
        if (index < 0) {
           index = 0
        }
        
        if (index == obj.numberOfItems-1) {
            self.comboBox?.editable = true
            DispatchQueue.main.async {
                self.comboBox?.stringValue = ""
            }
            self.window?.makeFirstResponder(obj.textField)
        } else {
            self.comboBox?.editable = false
            self.comboBox?.alert = false
        }
        
        data(index)
    }
    
    func km_controlTextDidChange(_ obj: KMDesignSelect) {
        guard let data = self.textDidChange else {
            return
        }
        data(obj.stringValue)
    }
    
    func km_controlTextDidEndEditing(_ obj: KMDesignSelect) {
        guard let data = self.textDidEndEdit else {
            return
        }
        data(obj.stringValue, self)
    }
    
    func km_SelectPopoverWillShow(_ obj: KMDesignSelect) {
        if (obj.isEqual(to: self.comboBox)) {
            var disableItems: [String] = []
            if (self.pageCount <= 1) {
                disableItems.append(KMLocalizedString("Even Pages", nil))
            }
            self.comboBox?.disItems = disableItems
        }
    }
}