module Feature.Query.Preferences.MaxAffectedSpec where

import Network.Wai (Application)

import Network.HTTP.Types
import Test.Hspec
import Test.Hspec.Wai
import Test.Hspec.Wai.JSON

import Protolude hiding (get)

spec :: SpecWith ((), Application)
spec =
  describe "test Prefer: max-affected" $ do
    context "test Prefer: max-affected with handling=strict" $ do
      it "should fail if items deleted more than 10" $
        request methodDelete "/items?id=lt.15"
          [("Prefer", "handling=strict, max-affected=10")]
          ""
          `shouldRespondWith`
          [json|{"code":"PGRST124","details":"The query affects 14 rows","hint":null,"message":"Query result exceeds max-affected preference constraint"}|]
          { matchStatus = 400 }

      it "should succeed if items deleted less than 10" $
        request methodDelete "/items?id=lt.10"
          [("Prefer", "handling=strict, max-affected=10")]
          ""
          `shouldRespondWith`
          ""
          { matchStatus = 204
          , matchHeaders = ["Preference-Applied" <:> "handling=strict, max-affected=10"]}

      it "should fail if items updated more than 0" $
        request methodPatch "/tiobe_pls?name=eq.Java"
          [("Prefer", "handling=strict, max-affected=0")]
          [json| [{"name":"Java", "rank":19}] |]
          `shouldRespondWith`
          [json|{"code":"PGRST124","details":"The query affects 1 rows","hint":null,"message":"Query result exceeds max-affected preference constraint"}|]
          { matchStatus = 400 }

      it "should succeed if items updated equal 1" $
        request methodDelete "/tiobe_pls?name=eq.Java"
          [("Prefer", "handling=strict, max-affected=1")]
          [json| [{"name":"Java", "rank":19}] |]
          `shouldRespondWith`
          ""
          { matchStatus = 204
          , matchHeaders = ["Preference-Applied" <:> "handling=strict, max-affected=1"]}

    context "test Prefer: max-affected with handling=lenient" $ do
      it "should not fail" $
        request methodDelete "/items?id=lt.15"
          [("Prefer", "handling=lenient, max-affected=10")]
          ""
          `shouldRespondWith`
          ""
          { matchStatus = 204
          , matchHeaders = ["Preference-Applied" <:> "handling=lenient"]}

      it "should succeed if items deleted less than 10" $
        request methodDelete "/items?id=lt.10"
          [("Prefer", "handling=lenient, max-affected=10")]
          ""
          `shouldRespondWith`
          ""
          { matchStatus = 204
          , matchHeaders = ["Preference-Applied" <:> "handling=lenient"]}

      it "should not fail" $
        request methodPatch "/tiobe_pls?name=eq.Java"
          [("Prefer", "handling=lenient, max-affected=0")]
          [json| [{"name":"Java", "rank":19}] |]
          `shouldRespondWith`
          ""
          { matchStatus = 204
          , matchHeaders = ["Preference-Applied" <:> "handling=lenient"]}

      it "should succeed if items updated equal 1" $
        request methodDelete "/tiobe_pls?name=eq.Java"
          [("Prefer", "handling=lenient, max-affected=1")]
          [json| [{"name":"Java", "rank":19}] |]
          `shouldRespondWith`
          ""
          { matchStatus = 204
          , matchHeaders = ["Preference-Applied" <:> "handling=lenient"]}

    context "test Prefer: max-affected with rpc" $ do
      it "should fail with rpc when deleting rows more than prefered with returns setof" $
        request methodPost "/rpc/delete_items_returns_setof"
          [("Prefer", "handling=strict, max-affected=10")]
          ""
          `shouldRespondWith`
          [json| {"code":"PGRST124","details":"The query affects 15 rows","hint":null,"message":"Query result exceeds max-affected preference constraint"} |]
          { matchStatus = 400 }

      it "should fail with rpc when deleting rows more than prefered with returns table" $
        request methodPost "/rpc/delete_items_returns_table"
          [("Prefer", "handling=strict, max-affected=10")]
          ""
          `shouldRespondWith`
          [json| {"code":"PGRST124","details":"The query affects 15 rows","hint":null,"message":"Query result exceeds max-affected preference constraint"} |]
          { matchStatus = 400 }

      it "should succeed with rpc deleting rows less than prefered with returns setof" $
        request methodPost "/rpc/delete_items_returns_setof"
          [("Prefer", "handling=strict, max-affected=20")]
          ""
          `shouldRespondWith`
          [json|[{"id":1},{"id":2},{"id":3},{"id":4},{"id":5},{"id":6},{"id":7},
                 {"id":8},{"id":9},{"id":10},{"id":11},{"id":12},{"id":13},
                 {"id":14},{"id":15}]|]
          { matchStatus = 200 }

      it "should succeed with rpc deleting rows less than prefered with returns table" $
        request methodPost "/rpc/delete_items_returns_table"
          [("Prefer", "handling=strict, max-affected=20")]
          ""
          `shouldRespondWith`
          [json|[{"id":1},{"id":2},{"id":3},{"id":4},{"id":5},{"id":6},{"id":7},
                 {"id":8},{"id":9},{"id":10},{"id":11},{"id":12},{"id":13},
                 {"id":14},{"id":15}]|]
          { matchStatus = 200 }

      it "should fail with rpc when returns void with handling=strict" $
        request methodPost "/rpc/delete_items_returns_void"
          [("Prefer", "handling=strict, max-affected=20")]
          ""
          `shouldRespondWith`
          [json| {"code":"PGRST128","details":null,"hint":null,"message":"Function must return SETOF or TABLE when max-affected preference is used with handling=strict"} |]
          { matchStatus = 400 }
