#Smithy Ion validation

///|
test {
  let loaded = @smithy.Loader::new()
    .add_idl(
      "model.smithy", "$version: \"2\"\nnamespace example\nstructure Input { @required name: String }",
    )
    .assemble()
  let prepared = @adapter.PreparedValidator::prepare(
    loaded.model.unwrap(),
    @smithy.ShapeId::parse("example#Input").unwrap(),
  )
  let value = @ion.Ion::from_fields([
    @ion.Field("name", @ion.Ion::string("Ada")),
  ])
  assert_true(prepared.validate(value).is_valid())
}

///|
test "validate an Ion reading" {
  let model = @smithy.Loader::new()
  .add_idl(
    "reading.smithy",
    (
      #|$version: "2"
      #|namespace example
      #|
      #|structure Reading {
      #|    @required
      #|    sensor: String
      #|
      #|    @required
      #|    @range(min: -50, max: 60)
      #|    celsius: Integer
      #|
      #|    @required
      #|    takenAt: Timestamp
      #|}
    ),
  )
  .assemble().model.unwrap()
  let prepared = @adapter.PreparedValidator::prepare(
    model,
    @smithy.ShapeId::parse("example#Reading").unwrap(),
  )
  let reading = @text.read_ion(
    "{sensor: \"roof\", celsius: 21, takenAt: 2026-10-24T09:30:00Z}",
  )
  assert_true(prepared.validate(reading).is_valid())
  let text_time = @text.read_ion(
    "{sensor: \"roof\", celsius: 21, takenAt: \"2026-10-24T09:30:00Z\"}",
  )
  let result = prepared.validate(text_time)
  assert_false(result.is_valid())
  assert_eq(result.findings.length(), 1)
  let finding = result.findings[0]
  assert_eq(finding.code.to_string(), "TypeMismatch")
  assert_eq(finding.path.pointer(), "/takenAt")
  assert_eq(finding.shape.to_string(), "example#Reading$takenAt")
  assert_eq(finding.native_kind, Some(@ion.IonType::String))
}