LONDON-IOS/GMERemittance/Payment/PdfComposer.swift

//
//  PdfComposer.swift
//  GMERemittance
//
//  Created by Sujal on 2/20/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class PdfComposer: NSObject {
    
    let pathToPdfHTMLTemplate = Bundle.main.path(forResource: "index", ofType: "html")
    
    let pathToPdfHTMLTemplateWallet = Bundle.main.path(forResource: "wallet", ofType: "html")
    
    let pathToImage =  Bundle.main.path(forResource: "gme-logo", ofType: "png")!
    
    
    var invoiceNumber: String!
    
    var pdfFilename: String!
    
    
    override init() {
        super.init()
    }
    
    
    func renderPdf(pdfDetails: [String: String]) -> String! {
        
        do {
            
            let paymentMode = pdfDetails["PAYOUTMODE"]
            
            
            let displayStyleNone = "display: none;"
            let displayStyleShow = "border-top: 1px solid #cdced2;"
            var HTMLContent = try String(contentsOfFile: pathToPdfHTMLTemplate!)
            
            
            let image : UIImage = UIImage(named:"gme-logo")!
            let imageData:NSData = UIImagePNGRepresentation(image)! as NSData
            let strBase64 = imageData.base64EncodedString(options: .lineLength64Characters)

            let imageContent = "data:image/png;base64," + strBase64
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#LOGO_IMAGE#", with: imageContent)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#AMOUNT#", with: pdfDetails["AMOUNT"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#CONTROLNUMBER#", with: pdfDetails["CONTROLNUMBER"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#TXDATE#", with: pdfDetails["TXDATE"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#TXNUMBER#", with: pdfDetails["TXNUMBER"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#RECIPIENT#", with: pdfDetails["RECIPIENT"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#RELATION#", with: pdfDetails["RELATION"]!)
            HTMLContent = HTMLContent.replacingOccurrences(of: "#PHONE#", with: pdfDetails["PHONE"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#EMAIL#", with: pdfDetails["EMAIL"]!)
            
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#SERVICEFEE#", with: pdfDetails["SERVICEFEE"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#TOTALAMOUNT#", with: pdfDetails["TOTALAMOUNT"]!)
            
            
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#AGENT#", with: pdfDetails["AGENT"]!)
            switch paymentMode {
                
            case paymentModeType.cashPaymentPartner.rawValue?:
                
                HTMLContent = HTMLContent.replacingOccurrences(of: "#AGENTORBANK#", with: "Payout Agent/Bank")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#ADDRESS#", with: pdfDetails["ADDRESS"]!)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEADDRESSDELIVERY#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEACNUM#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEBRANCH#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLECITY#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEDISTRICT#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLESTATE#", with: displayStyleNone)
                
            case paymentModeType.bankPayment.rawValue?:
                
                HTMLContent = HTMLContent.replacingOccurrences(of: "#AGENTORBANK#", with: "Payout Agent/Bank")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#ADDRESS#", with: pdfDetails["ADDRESS"]!)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEADDRESSDELIVERY#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEACNUM#", with: displayStyleShow)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEBRANCH#", with: displayStyleShow)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#ACCOUNTNUMBER#", with: pdfDetails["ACCOUNTNUMBER"]!)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#BRANCH#", with: pdfDetails["BRANCH"]!)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLECITY#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEDISTRICT#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLESTATE#", with: displayStyleNone)
                
            case paymentModeType.homeDelivery.rawValue?:
                
                HTMLContent = HTMLContent.replacingOccurrences(of:"#AGENTORBANK#", with: "Payout Mode")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEADDRESSUP#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEADDRESSDELIVERY#", with: displayStyleShow)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#DELIVERYADDRESS#", with: pdfDetails["DELIVERYADDRESS"]!)
                
                HTMLContent = HTMLContent.replacingOccurrences(of:"#AGENTORBANK#", with: "Payout Mode")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEACNUM#", with: displayStyleNone)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEBRANCH#", with: displayStyleNone)
                
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLECITY#", with: displayStyleShow)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEDISTRICT#", with: displayStyleShow)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLESTATE#", with: displayStyleShow)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#DISTRICT#", with: pdfDetails["DISTRICT"]!)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#CITY#", with: pdfDetails["CITY"]!)
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STATEORPROVINCE#", with: pdfDetails["STATEORPROVINCE"]!)
            default:
                HTMLContent = HTMLContent.replacingOccurrences(of: "#AGENTORBANK#", with: " ")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#ADDRESS#", with: " ")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEADDRESSDELIVERY#", with: " ")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEACNUM#", with: " ")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEBRANCH#", with: " ")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLECITY#", with: " ")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLEDISTRICT#", with: " ")
                HTMLContent = HTMLContent.replacingOccurrences(of: "#STYLESTATE#", with: " ")
            }
            
            return HTMLContent
        }
        catch {
           
        }
        
        return nil
    }
    
    
    func exportHTMLContentToPDF(HTMLContent: String) -> Bool {
        do {
            let printPageRenderer = CustomPrintPageRenderer()
            let printFormatter = UIMarkupTextPrintFormatter(markupText: HTMLContent)
            printPageRenderer.addPrintFormatter(printFormatter, startingAtPageAt: 0)
            
            let pdfData = drawPDFUsingPrintPageRenderer(printPageRenderer: printPageRenderer)
            
            pdfFilename = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] + "/" + getFileName()
            
            pdfData?.write(toFile: pdfFilename, atomically: true)
            
            print(pdfFilename, "pdf file path")
            return true
            
        } catch {
            
        }
        
        return false
    }
    
    
    func renderPdfWallet(pdfDetails: [String: String]) -> String! {
        do {
            
            var HTMLContent = try String(contentsOfFile: pathToPdfHTMLTemplateWallet!)
            
            
            let image : UIImage = UIImage(named:"gme-logo")!
            let imageData:NSData = UIImagePNGRepresentation(image)! as NSData
            let strBase64 = imageData.base64EncodedString(options: .lineLength64Characters)
            
            let imageContent = "data:image/png;base64," + strBase64
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#LOGO_IMAGE#", with: imageContent)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#TXDATE#", with: pdfDetails["TXDATE"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#TXNUMBER#", with: pdfDetails["TXNUMBER"]!)
            
            HTMLContent = HTMLContent.replacingOccurrences(of: "#AMOUNT#", with: pdfDetails["AMOUNT"]!)
            
            return HTMLContent
        }
        catch {
            print("Unable to open and use HTML template files.")
        }
        
        return nil
    }
    
   
    
    func drawPDFUsingPrintPageRenderer(printPageRenderer: UIPrintPageRenderer) -> NSData! {
        let data = NSMutableData()
        
        UIGraphicsBeginPDFContextToData(data, CGRect.zero, nil)
        for i in 0..<printPageRenderer.numberOfPages {
            UIGraphicsBeginPDFPage()
            printPageRenderer.drawPage(at: i, in: UIGraphicsGetPDFContextBounds())
        }
        
        UIGraphicsEndPDFContext()
        
        return data
    }
    
    func getFileName() -> String {
//        let date = Date()
//        let calender = Calendar.current
//        let components = calender.dateComponents([.year,.month,.day,.hour,.minute,.second], from: date)
//
//        let year = components.year
//        let month = components.month
//        let day = components.day
//        let hour = components.hour
//        let minute = components.minute
//        let second = components.second
//
//        let dateTime_string = String(year!) + "-" + String(month!) + "-" + String(day!) + "_" + String(hour!)  + "-" + String(minute!) + "-" +  String(second!)
//
//        return "GME_" + dateTime_string + ".pdf"
        
        return "GME-sendmoney-" + String(NSDate().timeIntervalSince1970) + ".pdf"
    }
}