let Map =
      https://prelude.dhall-lang.org/v21.1.0/Map/Type
        sha256:210c7a9eba71efbb0f7a66b3dcf8b9d3976ffc2bc0e907aadfb6aa29c333e8ed

let CurID = Text

let AcntID = Text

let TagID = Text

let SqlConfig {- TODO pgsql -} = < Sqlite : Text | Postgres >

let Currency = { curSymbol : CurID, curFullname : Text }

let Tag = { tagID : TagID, tagDesc : Text }

let Gregorian = { gYear : Natural, gMonth : Natural, gDay : Natural }

let GregorianM = { gmYear : Natural, gmMonth : Natural }

let Interval = { intStart : Gregorian, intEnd : Optional Gregorian }

let Global = { budgetInterval : Interval, statementInterval : Interval }

let TimeUnit = < Day | Week | Month | Year >

let Weekday = < Mon | Tue | Wed | Thu | Fri | Sat | Sun >

let RepeatPat =
      { rpStart : Natural, rpBy : Natural, rpRepeats : Optional Natural }

let MDYPat =
      < Single : Natural
      | Multi : List Natural
      | Repeat : RepeatPat
      | After : Natural
      | Before : Natural
      | Between : { _between1 : Natural, _between2 : Natural }
      >

let ModPat =
      { Type =
          { mpStart : Optional Gregorian
          , mpBy : Natural
          , mpUnit : TimeUnit
          , mpRepeats : Optional Natural
          }
      , default = { mpStart = None Gregorian, mpRepeats = None Natural }
      }

let WeekdayPat = < OnDay : Weekday | OnDays : List Weekday >

let CronPat =
      { Type =
          { cronWeekly : Optional WeekdayPat
          , cronYear : Optional MDYPat
          , cronMonth : Optional MDYPat
          , cronDay : Optional MDYPat
          }
      , default =
        { cronWeekly = None WeekdayPat
        , cronYear = None MDYPat
        , cronMonth = None MDYPat
        , cronDay = None MDYPat
        }
      }

let DatePat = < Cron : CronPat.Type | Mod : ModPat.Type >

let Decimal =
      { whole : Natural, decimal : Natural, precision : Natural, sign : Bool }

let TxOpts =
      { Type =
          { toDate : Text
          , toAmount : Text
          , toDesc : Text
          , toOther : List Text
          , toDateFmt : Text
          , toAmountFmt : Text
          }
      , default =
        { toDate = "Date"
        , toAmount = "Amount"
        , toDesc = "Description"
        , toOther = [] : List Text
        , toDateFmt = "%0m/%0d/%Y"
        , toAmountFmt = "([-+])?([0-9]+)\\.?([0-9]+)?"
        }
      }

let Field = \(k : Type) -> \(v : Type) -> { fKey : k, fVal : v }

let FieldMap = \(k : Type) -> \(v : Type) -> Field k (Map k v)

let MatchVal =
      { Type =
          { mvSign : Optional Bool
          , mvNum : Optional Natural
          , mvDen : Optional Natural
          , mvPrec : Natural
          }
      , default =
        { mvSign = None Bool
        , mvNum = None Natural
        , mvDen = None Natural
        , mvPrec = 2
        }
      }

let MatchYMD = < Y : Natural | YM : GregorianM | YMD : Gregorian >

let MatchDate = < On : MatchYMD | In : { _1 : MatchYMD, _2 : Natural } >

let MatchOther = < Desc : Field Text Text | Val : Field Text MatchVal.Type >

let SplitNum = < LookupN : Text | ConstN : Decimal | AmountN >

let SplitText =
      \(t : Type) ->
        < ConstT : t
        | LookupT : Text
        | MapT : FieldMap Text t
        | Map2T : FieldMap { _1 : Text, _2 : Text } t
        >

let SplitCur = SplitText CurID

let SplitAcnt = SplitText AcntID

let Split =
      \(a : Type) ->
      \(v : Type) ->
      \(c : Type) ->
        { sAcnt : a, sValue : v, sCurrency : c, sComment : Text }

let ExpSplit =
      { Type = Split SplitAcnt (Optional SplitNum) SplitCur
      , default = { sValue = None SplitNum, sComment = "" }
      }

let ToTx =
      { ttCurrency : SplitCur
      , ttPath : SplitAcnt
      , ttSplit : List ExpSplit.Type
      }

let Match =
      { Type =
          { mDate : Optional MatchDate
          , mVal : MatchVal.Type
          , mDesc : Optional Text
          , mOther : List MatchOther
          , mTx : Optional ToTx
          , mTimes : Optional Natural
          , mPriority : Integer
          }
      , default =
        { mDate = None MatchDate
        , mVal = MatchVal::{=}
        , mDesc = None Text
        , mOther = [] : List MatchOther
        , mTx = None ToTx
        , mTimes = None Natural
        , mPriority = +0
        }
      }

let Manual =
      { manualDate : DatePat
      , manualFrom : AcntID
      , manualTo : AcntID
      , manualValue : Decimal
      , manualDesc : Text
      , manualCurrency : CurID
      }

let Import =
      { impPaths : List Text
      , impMatches : List Match.Type
      , impDelim : Natural
      , impTxOpts : TxOpts.Type
      , impSkipLines : Natural
      }

let Statement = < StmtManual : Manual | StmtImport : Import >

let Amount = { amtValue : Decimal, amtDesc : Text }

let AmountType = < FixedAmt | Percent | Target >

let TimeAmount = { taWhen : DatePat, taAmt : Amount, taAmtType : AmountType }

let Tax = { taxAcnt : AcntID, taxValue : Decimal }

let Exchange =
      { xFromCur : CurID, xToCur : CurID, xAcnt : AcntID, xRate : Decimal }

let BudgetCurrency = < NoX : CurID | X : Exchange >

let TaggedAcnt = { taAcnt : AcntID, taTags : List TagID }

let Allocation =
      { alloTo : TaggedAcnt, alloAmts : List Amount, alloCur : BudgetCurrency }

let Income =
      { incGross : Decimal
      , incCurrency : CurID
      , incWhen : DatePat
      , incFrom :
          {- this must be an income AcntID, and is the only place income
          accounts may be specified in the entire budget -}
          TaggedAcnt
      , incPretax : List Allocation
      , incTaxes : List Tax
      , incPosttax : List Allocation
      , incToBal : TaggedAcnt
      }

let Transfer =
      { transFrom : TaggedAcnt
      , transTo : TaggedAcnt
      , transAmounts : List TimeAmount
      , transCurrency : BudgetCurrency
      }

let AcntSet =
      { Type = { asList : List AcntID, asInclude : Bool }
      , default = { asList = [] : List AcntID, asInclude = False }
      }

let ShadowMatch =
      { Type =
          { smFrom : AcntSet.Type
          , smTo : AcntSet.Type
          , smDate : Optional MatchDate
          , smVal : MatchVal.Type
          }
      , default =
        { smFrom = AcntSet.default
        , smTo = AcntSet.default
        , smDate = None MatchDate
        , smVal = MatchVal.default
        }
      }

let ShadowTransfer =
      { stFrom : TaggedAcnt
      , stTo : TaggedAcnt
      , stCurrency : CurID
      , stDesc : Text
      , stMatch : ShadowMatch.Type
      , stRatio : Decimal
      }

let Budget =
      { budgetLabel : Text
      , income : List Income
      , transfers : List Transfer
      , shadowTransfers : List ShadowTransfer
      }

in  { CurID
    , AcntID
    , SqlConfig
    , Currency
    , Tag
    , TagID
    , Interval
    , Global
    , Gregorian
    , GregorianM
    , TimeUnit
    , Weekday
    , RepeatPat
    , MDYPat
    , ModPat
    , WeekdayPat
    , CronPat
    , DatePat
    , Decimal
    , TxOpts
    , Match
    , MatchVal
    , MatchYMD
    , MatchDate
    , MatchOther
    , SplitNum
    , Field
    , FieldMap
    , Split
    , ExpSplit
    , SplitText
    , SplitCur
    , SplitAcnt
    , ToTx
    , Import
    , Manual
    , Statement
    , Transfer
    , Income
    , Budget
    , Tax
    , Allocation
    , Amount
    , TimeAmount
    , AmountType
    , ShadowMatch
    , ShadowTransfer
    , AcntSet
    , BudgetCurrency
    , Exchange
    , TaggedAcnt
    }