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

pub opaque type AccountId {
  AccountId(String)
}

pub const min_length: Int = 1

pub fn parse(value: String) -> Result(AccountId, Nil) {
  case string.length(value) >= min_length {
    True -> Ok(AccountId(value))
    False -> Error(Nil)
  }
}

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

pub fn to_string(account_id: AccountId) -> String {
  let AccountId(symbol) = account_id
  symbol
}

pub fn encode(account_id: AccountId) -> Json {
  json.string(to_string(account_id))
}