import gleam/dynamic/decode.{type Decoder}
import gleam/json.{type Json}

pub type FrameSymbol {
  FrameProbe
  FrameDrone
  FrameInterceptor
  FrameRacer
  FrameFighter
  FrameFrigate
  FrameShuttle
  FrameExplorer
  FrameMiner
  FrameLightFreighter
  FrameHeavyFreighter
  FrameTransport
  FrameDestroyer
  FrameCruiser
  FrameCarrier
  FrameBulkFreighter
}

pub fn parse(value: String) -> Result(FrameSymbol, Nil) {
  case value {
    "FRAME_PROBE" -> Ok(FrameProbe)
    "FRAME_DRONE" -> Ok(FrameDrone)
    "FRAME_INTERCEPTOR" -> Ok(FrameInterceptor)
    "FRAME_RACER" -> Ok(FrameRacer)
    "FRAME_FIGHTER" -> Ok(FrameFighter)
    "FRAME_FRIGATE" -> Ok(FrameFrigate)
    "FRAME_SHUTTLE" -> Ok(FrameShuttle)
    "FRAME_EXPLORER" -> Ok(FrameExplorer)
    "FRAME_MINER" -> Ok(FrameMiner)
    "FRAME_LIGHT_FREIGHTER" -> Ok(FrameLightFreighter)
    "FRAME_HEAVY_FREIGHTER" -> Ok(FrameHeavyFreighter)
    "FRAME_TRANSPORT" -> Ok(FrameTransport)
    "FRAME_DESTROYER" -> Ok(FrameDestroyer)
    "FRAME_CRUISER" -> Ok(FrameCruiser)
    "FRAME_CARRIER" -> Ok(FrameCarrier)
    "FRAME_BULK_FREIGHTER" -> Ok(FrameBulkFreighter)
    _ -> Error(Nil)
  }
}

pub fn decoder() -> Decoder(FrameSymbol) {
  use value <- decode.then(decode.string)
  case parse(value) {
    Ok(frame_symbol) -> decode.success(frame_symbol)
    Error(Nil) -> decode.failure(FrameProbe, "FrameSymbol")
  }
}

pub fn to_string(frame_symbol: FrameSymbol) -> String {
  case frame_symbol {
    FrameProbe -> "FRAME_PROBE"
    FrameDrone -> "FRAME_DRONE"
    FrameInterceptor -> "FRAME_INTERCEPTOR"
    FrameRacer -> "FRAME_RACER"
    FrameFighter -> "FRAME_FIGHTER"
    FrameFrigate -> "FRAME_FRIGATE"
    FrameShuttle -> "FRAME_SHUTTLE"
    FrameExplorer -> "FRAME_EXPLORER"
    FrameMiner -> "FRAME_MINER"
    FrameLightFreighter -> "FRAME_LIGHT_FREIGHTER"
    FrameHeavyFreighter -> "FRAME_HEAVY_FREIGHTER"
    FrameTransport -> "FRAME_TRANSPORT"
    FrameDestroyer -> "FRAME_DESTROYER"
    FrameCruiser -> "FRAME_CRUISER"
    FrameCarrier -> "FRAME_CARRIER"
    FrameBulkFreighter -> "FRAME_BULK_FREIGHTER"
  }
}

pub fn encode(frame_symbol: FrameSymbol) -> Json {
  json.string(to_string(frame_symbol))
}