module Card exposing (..)

import Json.Decode
import Json.Decode.Pipeline as JDP


type alias Prices =
    { usd : Maybe Float
    , usd_foil : Maybe Float
    , eur : Maybe Float
    , eur_foil : Maybe Float
    , tix : Maybe Float
    }


type alias Oracle =
    { oracleId : String
    , name : String
    , manaCost : String
    , cmc : Float
    , typeLine : String
    , oracleText : String
    }


type alias Card =
    { scryfallId : String
    , name : String
    , setCode : String
    , rarity : String
    , manaCost : String
    , cmc : Float
    , typeLine : String
    , oracleText : String
    , prices : Prices
    }


type alias Copy =
    { card : Card
    , collection : String
    , foil : Bool
    }


decodeOracle : Json.Decode.Decoder Oracle
decodeOracle =
    Json.Decode.succeed Oracle
        |> JDP.required "oracle_id" Json.Decode.string
        |> JDP.required "name" Json.Decode.string
        |> JDP.required "mana_cost"
            (Json.Decode.nullable Json.Decode.string
                |> Json.Decode.map (Maybe.withDefault "")
            )
        |> JDP.required "cmc" Json.Decode.float
        |> JDP.required "type_line" Json.Decode.string
        |> JDP.required "oracle_text"
            (Json.Decode.nullable Json.Decode.string
                |> Json.Decode.map (Maybe.withDefault "")
            )


decode : Json.Decode.Decoder Card
decode =
    Json.Decode.succeed Card
        |> JDP.required "scryfall_id" Json.Decode.string
        |> JDP.required "name" Json.Decode.string
        |> JDP.required "set_code" Json.Decode.string
        |> JDP.required "rarity" Json.Decode.string
        |> JDP.required "mana_cost"
            (Json.Decode.nullable Json.Decode.string
                |> Json.Decode.map (Maybe.withDefault "")
            )
        |> JDP.required "cmc" Json.Decode.float
        |> JDP.required "type_line" Json.Decode.string
        |> JDP.required "oracle_text"
            (Json.Decode.nullable Json.Decode.string
                |> Json.Decode.map (Maybe.withDefault "")
            )
        |> JDP.required "prices" decodePrices


decodeCopy : Json.Decode.Decoder Copy
decodeCopy =
    Json.Decode.succeed Copy
        |> JDP.required "card" decode
        |> JDP.required "collection" Json.Decode.string
        |> JDP.required "foil" Json.Decode.bool


decodePrices : Json.Decode.Decoder Prices
decodePrices =
    Json.Decode.succeed Prices
        |> JDP.required "usd" (Json.Decode.nullable Json.Decode.float)
        |> JDP.required "usd_foil" (Json.Decode.nullable Json.Decode.float)
        |> JDP.required "eur" (Json.Decode.nullable Json.Decode.float)
        |> JDP.required "eur_foil" (Json.Decode.nullable Json.Decode.float)
        |> JDP.required "tix" (Json.Decode.nullable Json.Decode.float)