package net.pterodactylus.rhynodge.filters.webpages.savoy

import com.fasterxml.jackson.databind.JsonNode
import com.fasterxml.jackson.databind.ObjectMapper
import org.jsoup.nodes.Document
import java.time.LocalDateTime
import java.time.format.DateTimeFormatter

class MovieExtractor {

	fun getMovies(document: Document) =
		document.select("body script#flebbe-state")
			.dataNodes().joinToString("").unescape()
			.let(objectMapper::readTree)
			.get("G./api/v1/en/config?").get("body").asText()
			.let(objectMapper::readTree)
			.get("movie_list")
			.map { it.extractMovie() }
			.toSet()

	private fun String.unescape() = this
		.replace("&q;", "\"")
		.replace("&a;", "&")
		.replace("&s;", "'")
		.replace("&l;", "<")
		.replace("&g;", ">")

	private fun JsonNode.extractMovie() =
		this@extractMovie.get("performances")
			.map { performance ->
				val begin = LocalDateTime.parse(performance.get("begin").asText(), dateFormat)
				val slug = performance.get("slug").asText()
				val link = "https://savoy.premiumkino.de/vorstellung/${slug}/${String.format("%tY%<tm%<td", begin)}/${String.format("%tH%<tM", begin)}/${performance.get("crypt_id").asText()}"
				Performance(begin, performance.get("release_type").asText(), link)
			}
			.let { Movie(get("name").asText(), get("poster").get("original").asText().fixImageUrl(), get("description_long").asText(), it) }

}

private val objectMapper = ObjectMapper()
private val dateFormat = DateTimeFormatter.ISO_LOCAL_DATE_TIME

private fun String.fixImageUrl() = replace(Regex("^/files"), "https://cdn.premiumkino.de")