package failure

import (
	"testing"
	"time"
)

func TestFailureValidate(t *testing.T) {
	t.Parallel()

	executionFailure := Failure{
		SchemaVersion: SchemaVersionV1,
		Code:          "IOP_EXECUTION_FAILED",
		Stage:         StageIOPExecution,
		Message:       "IOP returned an execution failure",
		UserMessage:   "분석 실행 중 오류가 발생했습니다.",
		OccurredAt:    time.Now(),
		Causes: []Cause{
			{
				Code:    "TRANSLATION_FAILED",
				Stage:   StageTranslation,
				Message: "local translation model was unavailable",
			},
		},
	}

	if err := executionFailure.Validate(); err != nil {
		t.Fatalf("Validate() error = %v", err)
	}
}

func TestFailureValidateRejectsUnknownStage(t *testing.T) {
	t.Parallel()

	executionFailure := Failure{
		SchemaVersion: SchemaVersionV1,
		Code:          "INVALID_STAGE",
		Stage:         "unknown",
		Message:       "invalid stage",
		UserMessage:   "처리 단계가 올바르지 않습니다.",
		OccurredAt:    time.Now(),
	}

	if err := executionFailure.Validate(); err == nil {
		t.Fatal("Validate() expected a stage error")
	}
}