import gleam/dynamic/decode.{type Decoder}
import gleam/option.{type Option}
import models/contract_terms.{type ContractTerms}
import utils/decode as decode_utils

pub type Contract {
  Contract(
    id: String,
    faction_symbol: String,
    type_: String,
    terms: ContractTerms,
    accepted: Bool,
    fulfilled: Bool,
    deadline_to_accept: Option(String),
  )
}

pub fn decoder() -> Decoder(Contract) {
  use id <- decode.field("id", decode.string)
  use faction_symbol <- decode.field("factionSymbol", decode.string)
  use type_ <- decode.field("type", decode.string)
  use terms <- decode.field("terms", contract_terms.decoder())
  use accepted <- decode.field("accepted", decode.bool)
  use fulfilled <- decode.field("fulfilled", decode.bool)
  use deadline_to_accept <- decode_utils.field_key_value_optional(
    "deadlineToAccept",
    decode.string,
  )
  decode.success(Contract(
    id:,
    faction_symbol:,
    type_:,
    terms:,
    accepted:,
    fulfilled:,
    deadline_to_accept:,
  ))
}