import Foundation
import Capacitor
import PassKit

/**
 * Please read the Capacitor iOS Plugin Development Guide
 * here: https://capacitorjs.com/docs/plugins/ios
 */
@objc(CapacitorPassToWalletPlugin)
public class CapacitorPassToWalletPlugin: CAPPlugin {
    private let implementation = CapacitorPassToWallet()

    @objc func addToWallet(_ call: CAPPluginCall) {
        let data = call.getString("base64") ?? ""

        if let dataPass = Data(base64Encoded: data, options: .ignoreUnknownCharacters) {
            if let pass = try? PKPass(data: dataPass) {
                if PKPassLibrary().containsPass(pass) {
                    let error =
                        """
                    {"code": 100,"message": "Pass already added"}
                    """
                    call.reject(error)
                } else {
                    if let vc = PKAddPassesViewController(pass: pass) {
                        call.resolve([
                            "value": implementation.echo("SUCCESS")
                        ])

                        DispatchQueue.main.async {
                            self.bridge?.viewController?.present(vc, animated: true, completion: nil)
                        }
                    }
                }
            } else {
                let error =
                    """
                {"code": 101,"message": "PKPASS file has invalid data"}
                """

                call.reject(error)
            }
        } else {
            let error =
                """
            {"code": 102,"message": "Error with base64 data"}
            """
            call.reject(error)

        }

    }

    @objc func addMultipleToWallet(_ call: CAPPluginCall) {
        let data = call.getArray("base64") ?? []

        var pkPasses = [PKPass]()
        var duplicatedAmount = 0

        for base64 in data {
            if let dataPass = Data(base64Encoded: base64 as! String, options: .ignoreUnknownCharacters) {
                if let pass = try? PKPass(data: dataPass) {
                    if !PKPassLibrary().containsPass(pass) {
                        pkPasses.append(pass)
                    } else {
                        duplicatedAmount = duplicatedAmount + 1
                    }
                }
            }
        }

        if pkPasses.count > 0 {
            if let vc = PKAddPassesViewController(passes: pkPasses) {
                call.resolve([
                    "value": implementation.echo("SUCCESS")
                ])

                DispatchQueue.main.async {
                    self.bridge?.viewController?.present(vc, animated: true, completion: nil)
                }
            }
        } else {
            let error = duplicatedAmount == 0
                ?
                """
            {"code": 103,"message": "PKPASSES file has invalid data"}
            """
                :
                """
            {"code": 100,"message": "Passes already added"}
            """
            call.reject(error)
        }

    }
}