//
//  KMSearchMode.swift
//  PDF Reader Pro
//
//  Created by lxy on 2022/12/9.
//

import Cocoa

class KMSearchMode: NSObject {
    var selection : CPDFSelection = CPDFSelection()
    var attributedString : NSMutableAttributedString = NSMutableAttributedString()
    var selectionPageIndex : UInt = 0
    var datas : [KMSearchMode] = []
    var select: Bool = false
    var hover: Bool = false
    
    func fetchSelection(document: CPDFDocument?) -> CPDFSelection? {
        guard let doc = document else {
            return nil
        }
        if self.selectionPageIndex < 0 || self.selectionPageIndex >= doc.pageCount {
            return nil
        }
        guard let page = document?.page(at: self.selectionPageIndex) else {
            return nil
        }
        return CPDFSelection(page: page, rect: self.selection.bounds)
    }
    
    class func sortSearchResult(results:[KMSearchMode]) ->[KMSearchMode] {
        var sortResult : [KMSearchMode] = []
        var pageIndexs : [UInt] = []
        for mode in results {
            pageIndexs.append(mode.selectionPageIndex)
        }
        if Set(pageIndexs).count != pageIndexs.count {
            pageIndexs = Array(Set(pageIndexs))
        }
        pageIndexs = pageIndexs.sorted()
        for index in pageIndexs {
            var indexs : [KMSearchMode] = []
            for result in results {
                if result.selectionPageIndex == index {
                    indexs.append(result)
                }
            }
            var s : KMSearchMode = KMSearchMode()
            s.datas = indexs
            s.selectionPageIndex = index
            sortResult.append(s)
        }

        return sortResult
    }
}