module Test.Values.Context exposing (..)

import Expect
import Fuzz exposing (Fuzzer)
import Internal.Config.Leaks as Leaks
import Internal.Tools.Hashdict as Hashdict
import Internal.Values.Context as Context exposing (Context, Versions)
import Set
import Test exposing (..)
import Test.Tools.Timestamp as TestTimestamp
import Test.Values.User as TestUser


fuzzer : Fuzzer Context
fuzzer =
    let
        maybeString : Fuzzer (Maybe String)
        maybeString =
            Fuzz.maybe Fuzz.string
    in
    Fuzz.map8 (\a b c ( d, e ) ( f, g ) ( h, i ) ( j, k ) ( l, m ) -> Context a b c d e f g h i j k l m)
        (Fuzz.constant <| Hashdict.empty .value)
        maybeString
        maybeString
        (Fuzz.pair
            maybeString
            (Fuzz.maybe TestTimestamp.fuzzer)
        )
        (Fuzz.pair
            maybeString
            maybeString
        )
        (Fuzz.pair
            Fuzz.string
            maybeString
        )
        (Fuzz.pair
            maybeString
            (Fuzz.maybe TestUser.fuzzer)
        )
        (Fuzz.pair
            maybeString
            (Fuzz.maybe <| versionsFuzzer)
        )


versionsFuzzer : Fuzzer Versions
versionsFuzzer =
    Fuzz.map2 Versions
        (Fuzz.list Fuzz.string)
        (Fuzz.map Set.fromList <| Fuzz.list Fuzz.string)


{-| If a leak is spotted, make sure to change the leaking value and then test
with the same seed to ensure it is not a (tiny) coincidence and a leak is in
fact coming through.
-}
leaks : Test
leaks =
    describe "No leaks allowed"
        [ fuzz2 fuzzer
            Fuzz.string
            "Access token"
            (\context value ->
                context
                    |> Context.apiFormat
                    |> Context.setAccessToken value
                    |> Context.getAccessToken
                    |> Expect.notEqual Leaks.accessToken
            )
        , fuzz2 fuzzer
            Fuzz.string
            "Base URL"
            (\context value ->
                context
                    |> Context.apiFormat
                    |> Context.setBaseUrl value
                    |> Context.getBaseUrl
                    |> Expect.notEqual Leaks.baseUrl
            )
        , fuzz2 fuzzer
            Fuzz.string
            "Transaction"
            (\context value ->
                context
                    |> Context.apiFormat
                    |> Context.setTransaction value
                    |> Context.getTransaction
                    |> Expect.notEqual Leaks.transaction
            )
        , fuzz2 fuzzer
            versionsFuzzer
            "Versions"
            (\context value ->
                context
                    |> Context.apiFormat
                    |> Context.setVersions value
                    |> Context.getVersions
                    |> Expect.notEqual Leaks.versions
            )
        ]


apiContext : Test
apiContext =
    describe "Verify writing info"
        [ fuzz2 fuzzer
            Fuzz.string
            "Access token"
            (\context value ->
                context
                    |> Context.apiFormat
                    |> Context.setAccessToken value
                    |> Context.getAccessToken
                    |> Expect.equal value
            )
        , fuzz2 fuzzer
            Fuzz.string
            "Base URL"
            (\context value ->
                context
                    |> Context.apiFormat
                    |> Context.setBaseUrl value
                    |> Context.getBaseUrl
                    |> Expect.equal value
            )
        , fuzz2 fuzzer
            Fuzz.string
            "Transaction"
            (\context value ->
                context
                    |> Context.apiFormat
                    |> Context.setTransaction value
                    |> Context.getTransaction
                    |> Expect.equal value
            )
        , fuzz2 fuzzer
            versionsFuzzer
            "Versions"
            (\context value ->
                context
                    |> Context.apiFormat
                    |> Context.setVersions value
                    |> Context.getVersions
                    |> Expect.equal value
            )
        ]



-- json : Test
-- json =
--     describe "JSON encode + JSON decode"
--         [ fuzz fuzzer
--             "JSON recode"
--             (\context ->
--                 context
--                     |> Context.encode
--                     |> D.decodeValue Context.decoder
--                     |> Expect.equal (Ok ( context, [] ))
--             )
--         ]