Bimba.git

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package ml.adamsprogs.bimba.api

import xyz.apiote.fruchtfleisch.Reader
import java.io.InputStream

interface DeparturesResponse {
	companion object {
		fun unmarshal(stream: InputStream): DeparturesResponse {
			val reader = Reader(stream)
			return when (reader.readUInt()) {
				0UL -> {
					ErrorResponse.unmarshal(stream)
				}
				1UL -> {
					DeparturesSuccess.unmarshal(stream)
				}
				else -> {
					TODO("[api-freeze] throw unknown tag")
				}
			}
		}
	}
}

data class DeparturesSuccess(
	val alerts: List<Alert>,
	val departures: List<Departure>,
	val stop: Stop
) : DeparturesResponse {
	companion object {
		fun unmarshal(stream: InputStream): DeparturesSuccess {
			val alerts = mutableListOf<Alert>()
			val departures = mutableListOf<Departure>()

			val reader = Reader(stream)
			val alertsNum = reader.readUInt()
			for (i in 0UL until alertsNum) {
				val alert = Alert.unmarshal(stream)
				alerts.add(alert)
			}
			val departuresNum = reader.readUInt()
			for (i in 0UL until departuresNum) {
				val departure = Departure.unmarshal(stream)
				departures.add(departure)
			}

			return DeparturesSuccess(alerts, departures, Stop.unmarshal(stream))
		}
	}
}

interface ItemsResponse {
	companion object {
		fun unmarshal(stream: InputStream): ItemsResponse {
			val reader = Reader(stream)
			return when (reader.readUInt()) {
				0UL -> {
					ErrorResponse.unmarshal(stream)
				}
				1UL -> {
					ItemsSuccess.unmarshal(stream)
				}
				else -> {
					TODO("[api-freeze] throw unknown tag")
				}
			}
		}
	}
}

data class ItemsSuccess(val items: List<Item>) : ItemsResponse {
	companion object {
		fun unmarshal(stream: InputStream): ItemsSuccess {
			val items = mutableListOf<Item>()
			val reader = Reader(stream)
			val itemsNum = reader.readUInt()
			for (i in 0UL until itemsNum) {
				when (reader.readUInt()) {
					0UL -> {
						items.add(Stop.unmarshal(stream))
					}
					1UL -> {
						items.add(Line.unmarshal(stream))
					}
					else -> {
						TODO("[api-freeze] throw unknown tag")
					}
				}
			}
			return ItemsSuccess(items)
		}
	}
}

interface FeedsResponse {
	companion object {
		fun unmarshal(stream: InputStream): FeedsResponse {
			val reader = Reader(stream)
			return when (reader.readUInt()) {
				0UL -> {
					ErrorResponse.unmarshal(stream)
				}
				1UL -> {
					FeedsSuccess.unmarshal(stream)
				}
				else -> {
					TODO("[api-freeze] throw unknown tag")
				}
			}
		}
	}
}

data class FeedsSuccess(
	val adminContact: String,
	val rateLimited: Boolean,
	val private: Boolean,
	val feeds: List<FeedInfo>
) : FeedsResponse {
	companion object {
		fun unmarshal(stream: InputStream): FeedsSuccess {
			val feeds = mutableListOf<FeedInfo>()
			val reader = Reader(stream)
			val adminContact = reader.readString()
			val rateLimited = reader.readBoolean()
			val private = reader.readBoolean()
			val itemsNum = reader.readUInt()
			for (i in 0UL until itemsNum) {
				feeds.add(FeedInfo.unmarshal(stream))
			}
			return FeedsSuccess(adminContact, rateLimited, private, feeds)
		}
	}
}

interface LocatablesResponse {
	companion object {
		fun unmarshal(stream: InputStream): LocatablesResponse {
			val reader = Reader(stream)
			return when (reader.readUInt()) {
				0UL -> {
					ErrorResponse.unmarshal(stream)
				}
				1UL -> {
					LocatablesSuccess.unmarshal(stream)
				}
				else -> {
					TODO("[api-freeze] throw unknown tag")
				}
			}
		}
	}
}

data class LocatablesSuccess(val locatables: List<Locatable>) : LocatablesResponse {
	companion object {
		fun unmarshal(stream: InputStream): LocatablesSuccess {
			val locatables = mutableListOf<Locatable>()
			val reader = Reader(stream)
			val itemsNum = reader.readUInt()
			for (i in 0UL until itemsNum) {
				when (reader.readUInt()) {
					0UL -> {
						locatables.add(Stop.unmarshal(stream))
					}
					1UL -> {
						locatables.add(Vehicle.unmarshal(stream))
					}
					else -> {
						TODO("[api-freeze] throw unknown tag")
					}
				}
			}
			return LocatablesSuccess(locatables)
		}
	}
}

data class ErrorResponse(val field: String, val message: String) : ItemsResponse,
	DeparturesResponse, FeedsResponse, LocatablesResponse {
	companion object {
		fun unmarshal(stream: InputStream): ErrorResponse {
			val reader = Reader(stream)
			return ErrorResponse(reader.readString(), reader.readString())
		}
	}
}