import io.ktor.http.decodeURLPart

data class WebRequest(val url: String)

fun main() {
    println("PebbleJS close interceptor test")
    
    val badPrefix = "pebblejs://close#"

    val request = WebRequest(url = "pebblejs://close/?token=abc123&state=success")
    val request2 = WebRequest(url = "pebblejs://close#token=abc123&state=success")
    val request3 = WebRequest(url = "pebblejs://close")

    val howitshouldbe = request2.url.removePrefix(badPrefix).decodeURLPart()
    if (howitshouldbe.isNotEmpty()) {
        println("current app prefix with compliant url: $howitshouldbe")
    } // output: token=abc123&state=success

    // Matches pebblejs://close followed by #, /, or /? and captures the query params
    val closeUrlRegex = Regex("""^pebblejs://close(?:#|/\?|/)(.*)$""")

    fun extractParams(url: String): String? {
        return closeUrlRegex.find(url)?.groupValues?.get(1)?.decodeURLPart()
    }

    val data1 = extractParams(request.url)
    if (data1?.isNotEmpty() == true) {
        println("request1 params: $data1")
    }

    val data2 = extractParams(request2.url)
    if (data2?.isNotEmpty() == true) {
        println("request2 params: $data2")
    }

    val data3 = extractParams(request3.url)
    if (data3?.isNotEmpty() == true) {
        println("request3 params: $data3")
    }
}