{-# LANGUAGE MultiWayIf #-}
-- CHANGE WITH CAUTION: This is a generated code file generated by https://github.com/Haskell-OpenAPI-Code-Generator/Haskell-OpenAPI-Client-Code-Generator.
{-# LANGUAGE OverloadedStrings #-}

-- | Contains the types generated from the schema Discount
module StripeAPI.Types.Discount where

import qualified Control.Monad.Fail
import qualified Data.Aeson
import qualified Data.Aeson as Data.Aeson.Encoding.Internal
import qualified Data.Aeson as Data.Aeson.Types
import qualified Data.Aeson as Data.Aeson.Types.FromJSON
import qualified Data.Aeson as Data.Aeson.Types.Internal
import qualified Data.Aeson as Data.Aeson.Types.ToJSON
import qualified Data.ByteString.Char8
import qualified Data.ByteString.Char8 as Data.ByteString.Internal
import qualified Data.Functor
import qualified Data.Scientific
import qualified Data.Text
import qualified Data.Text.Internal
import qualified Data.Time.Calendar as Data.Time.Calendar.Days
import qualified Data.Time.LocalTime as Data.Time.LocalTime.Internal.ZonedTime
import qualified GHC.Base
import qualified GHC.Classes
import qualified GHC.Int
import qualified GHC.Show
import qualified GHC.Types
import qualified StripeAPI.Common
import StripeAPI.TypeAlias
import {-# SOURCE #-} StripeAPI.Types.Coupon
import {-# SOURCE #-} StripeAPI.Types.Customer
import {-# SOURCE #-} StripeAPI.Types.DeletedCustomer
import {-# SOURCE #-} StripeAPI.Types.PromotionCode
import qualified Prelude as GHC.Integer.Type
import qualified Prelude as GHC.Maybe

-- | Defines the object schema located at @components.schemas.discount@ in the specification.
--
-- A discount represents the actual application of a coupon to a particular
-- customer. It contains information about when the discount began and when it
-- will end.
--
-- Related guide: [Applying Discounts to Subscriptions](https:\/\/stripe.com\/docs\/billing\/subscriptions\/discounts).
data Discount = Discount
  { -- | checkout_session: The Checkout session that this coupon is applied to, if it is applied to a particular session in payment mode. Will not be present for subscription mode.
    --
    -- Constraints:
    --
    -- * Maximum length of 5000
    discountCheckoutSession :: (GHC.Maybe.Maybe Data.Text.Internal.Text),
    -- | coupon: A coupon contains information about a percent-off or amount-off discount you
    -- might want to apply to a customer. Coupons may be applied to [invoices](https:\/\/stripe.com\/docs\/api\#invoices) or
    -- [orders](https:\/\/stripe.com\/docs\/api\#create_order-coupon). Coupons do not work with conventional one-off [charges](https:\/\/stripe.com\/docs\/api\#create_charge).
    discountCoupon :: Coupon,
    -- | customer: The ID of the customer associated with this discount.
    discountCustomer :: (GHC.Maybe.Maybe DiscountCustomer'Variants),
    -- | end: If the coupon has a duration of \`repeating\`, the date that this discount will end. If the coupon has a duration of \`once\` or \`forever\`, this attribute will be null.
    discountEnd :: (GHC.Maybe.Maybe GHC.Types.Int),
    -- | id: The ID of the discount object. Discounts cannot be fetched by ID. Use \`expand[]=discounts\` in API calls to expand discount IDs in an array.
    --
    -- Constraints:
    --
    -- * Maximum length of 5000
    discountId :: Data.Text.Internal.Text,
    -- | invoice: The invoice that the discount\'s coupon was applied to, if it was applied directly to a particular invoice.
    --
    -- Constraints:
    --
    -- * Maximum length of 5000
    discountInvoice :: (GHC.Maybe.Maybe Data.Text.Internal.Text),
    -- | invoice_item: The invoice item \`id\` (or invoice line item \`id\` for invoice line items of type=\'subscription\') that the discount\'s coupon was applied to, if it was applied directly to a particular invoice item or invoice line item.
    --
    -- Constraints:
    --
    -- * Maximum length of 5000
    discountInvoiceItem :: (GHC.Maybe.Maybe Data.Text.Internal.Text),
    -- | promotion_code: The promotion code applied to create this discount.
    discountPromotionCode :: (GHC.Maybe.Maybe DiscountPromotionCode'Variants),
    -- | start: Date that the coupon was applied.
    discountStart :: GHC.Types.Int,
    -- | subscription: The subscription that this coupon is applied to, if it is applied to a particular subscription.
    --
    -- Constraints:
    --
    -- * Maximum length of 5000
    discountSubscription :: (GHC.Maybe.Maybe Data.Text.Internal.Text)
  }
  deriving
    ( GHC.Show.Show,
      GHC.Classes.Eq
    )

instance Data.Aeson.Types.ToJSON.ToJSON Discount where
  toJSON obj = Data.Aeson.Types.Internal.object ("checkout_session" Data.Aeson.Types.ToJSON..= discountCheckoutSession obj : "coupon" Data.Aeson.Types.ToJSON..= discountCoupon obj : "customer" Data.Aeson.Types.ToJSON..= discountCustomer obj : "end" Data.Aeson.Types.ToJSON..= discountEnd obj : "id" Data.Aeson.Types.ToJSON..= discountId obj : "invoice" Data.Aeson.Types.ToJSON..= discountInvoice obj : "invoice_item" Data.Aeson.Types.ToJSON..= discountInvoiceItem obj : "promotion_code" Data.Aeson.Types.ToJSON..= discountPromotionCode obj : "start" Data.Aeson.Types.ToJSON..= discountStart obj : "subscription" Data.Aeson.Types.ToJSON..= discountSubscription obj : "object" Data.Aeson.Types.ToJSON..= Data.Aeson.Types.Internal.String "discount" : GHC.Base.mempty)
  toEncoding obj = Data.Aeson.Encoding.Internal.pairs (("checkout_session" Data.Aeson.Types.ToJSON..= discountCheckoutSession obj) GHC.Base.<> (("coupon" Data.Aeson.Types.ToJSON..= discountCoupon obj) GHC.Base.<> (("customer" Data.Aeson.Types.ToJSON..= discountCustomer obj) GHC.Base.<> (("end" Data.Aeson.Types.ToJSON..= discountEnd obj) GHC.Base.<> (("id" Data.Aeson.Types.ToJSON..= discountId obj) GHC.Base.<> (("invoice" Data.Aeson.Types.ToJSON..= discountInvoice obj) GHC.Base.<> (("invoice_item" Data.Aeson.Types.ToJSON..= discountInvoiceItem obj) GHC.Base.<> (("promotion_code" Data.Aeson.Types.ToJSON..= discountPromotionCode obj) GHC.Base.<> (("start" Data.Aeson.Types.ToJSON..= discountStart obj) GHC.Base.<> (("subscription" Data.Aeson.Types.ToJSON..= discountSubscription obj) GHC.Base.<> ("object" Data.Aeson.Types.ToJSON..= Data.Aeson.Types.Internal.String "discount")))))))))))

instance Data.Aeson.Types.FromJSON.FromJSON Discount where
  parseJSON = Data.Aeson.Types.FromJSON.withObject "Discount" (\obj -> (((((((((GHC.Base.pure Discount GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..:? "checkout_session")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..: "coupon")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..:? "customer")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..:? "end")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..: "id")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..:? "invoice")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..:? "invoice_item")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..:? "promotion_code")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..: "start")) GHC.Base.<*> (obj Data.Aeson.Types.FromJSON..:? "subscription"))

-- | Create a new 'Discount' with all required fields.
mkDiscount ::
  -- | 'discountCoupon'
  Coupon ->
  -- | 'discountId'
  Data.Text.Internal.Text ->
  -- | 'discountStart'
  GHC.Types.Int ->
  Discount
mkDiscount discountCoupon discountId discountStart =
  Discount
    { discountCheckoutSession = GHC.Maybe.Nothing,
      discountCoupon = discountCoupon,
      discountCustomer = GHC.Maybe.Nothing,
      discountEnd = GHC.Maybe.Nothing,
      discountId = discountId,
      discountInvoice = GHC.Maybe.Nothing,
      discountInvoiceItem = GHC.Maybe.Nothing,
      discountPromotionCode = GHC.Maybe.Nothing,
      discountStart = discountStart,
      discountSubscription = GHC.Maybe.Nothing
    }

-- | Defines the oneOf schema located at @components.schemas.discount.properties.customer.anyOf@ in the specification.
--
-- The ID of the customer associated with this discount.
data DiscountCustomer'Variants
  = DiscountCustomer'Text Data.Text.Internal.Text
  | DiscountCustomer'Customer Customer
  | DiscountCustomer'DeletedCustomer DeletedCustomer
  deriving (GHC.Show.Show, GHC.Classes.Eq)

instance Data.Aeson.Types.ToJSON.ToJSON DiscountCustomer'Variants where
  toJSON (DiscountCustomer'Text a) = Data.Aeson.Types.ToJSON.toJSON a
  toJSON (DiscountCustomer'Customer a) = Data.Aeson.Types.ToJSON.toJSON a
  toJSON (DiscountCustomer'DeletedCustomer a) = Data.Aeson.Types.ToJSON.toJSON a

instance Data.Aeson.Types.FromJSON.FromJSON DiscountCustomer'Variants where
  parseJSON val = case (DiscountCustomer'Text Data.Functor.<$> Data.Aeson.Types.FromJSON.fromJSON val) GHC.Base.<|> ((DiscountCustomer'Customer Data.Functor.<$> Data.Aeson.Types.FromJSON.fromJSON val) GHC.Base.<|> ((DiscountCustomer'DeletedCustomer Data.Functor.<$> Data.Aeson.Types.FromJSON.fromJSON val) GHC.Base.<|> Data.Aeson.Types.Internal.Error "No variant matched")) of
    Data.Aeson.Types.Internal.Success a -> GHC.Base.pure a
    Data.Aeson.Types.Internal.Error a -> Control.Monad.Fail.fail a

-- | Defines the oneOf schema located at @components.schemas.discount.properties.promotion_code.anyOf@ in the specification.
--
-- The promotion code applied to create this discount.
data DiscountPromotionCode'Variants
  = DiscountPromotionCode'Text Data.Text.Internal.Text
  | DiscountPromotionCode'PromotionCode PromotionCode
  deriving (GHC.Show.Show, GHC.Classes.Eq)

instance Data.Aeson.Types.ToJSON.ToJSON DiscountPromotionCode'Variants where
  toJSON (DiscountPromotionCode'Text a) = Data.Aeson.Types.ToJSON.toJSON a
  toJSON (DiscountPromotionCode'PromotionCode a) = Data.Aeson.Types.ToJSON.toJSON a

instance Data.Aeson.Types.FromJSON.FromJSON DiscountPromotionCode'Variants where
  parseJSON val = case (DiscountPromotionCode'Text Data.Functor.<$> Data.Aeson.Types.FromJSON.fromJSON val) GHC.Base.<|> ((DiscountPromotionCode'PromotionCode Data.Functor.<$> Data.Aeson.Types.FromJSON.fromJSON val) GHC.Base.<|> Data.Aeson.Types.Internal.Error "No variant matched") of
    Data.Aeson.Types.Internal.Success a -> GHC.Base.pure a
    Data.Aeson.Types.Internal.Error a -> Control.Monad.Fail.fail a