package workflows

import (
	"context"
	"errors"
	"testing"
)

func TestStubRunnerDiagnoseReturnsTypedNotImplemented(t *testing.T) {
	runner := NewStubRunner()

	_, err := runner.DiagnoseJobSeeker(context.Background(), DiagnosticInput{
		UserID:     "user-1",
		Track:      "backend-developer",
		TargetRole: "junior-backend-developer",
	})

	if !errors.Is(err, ErrNotImplemented) {
		t.Fatalf("err = %v, want %v", err, ErrNotImplemented)
	}
}

func TestStubRunnerGradesAnswer(t *testing.T) {
	runner := NewStubRunner()

	grade, err := runner.GradeInterviewAnswer(context.Background(), GradeAnswerInput{
		QuestionID: "q-1",
		AnswerID:   "a-1",
		AnswerText: "Indexes can speed reads by helping the database find rows, but they add write overhead.",
		Concepts: []ConceptRef{
			{ID: "database-indexes", Label: "Database indexes", Track: "backend-developer"},
		},
	})
	if err != nil {
		t.Fatalf("GradeInterviewAnswer error: %v", err)
	}
	if grade.AnswerID != "a-1" {
		t.Fatalf("AnswerID = %q", grade.AnswerID)
	}
	if len(grade.Concepts) != 1 {
		t.Fatalf("concepts = %d, want 1", len(grade.Concepts))
	}
	if len(grade.Evidence) != 1 {
		t.Fatalf("evidence = %d, want 1", len(grade.Evidence))
	}
}