package operator

import (
	"path/filepath"
	"strings"
	"testing"
)

func fixture(t *testing.T, name string) string {
	t.Helper()
	return filepath.Join("..", "..", "testdata", "operator", name)
}

func TestLoadScenarioValidatesExample(t *testing.T) {
	sc, err := LoadScenario(fixture(t, "api_connection_smoke.yaml"))
	if err != nil {
		t.Fatalf("LoadScenario returned error: %v", err)
	}
	if sc.Name != "api_connection_smoke" {
		t.Errorf("name = %q, want api_connection_smoke", sc.Name)
	}
	if len(sc.Steps) != 1 {
		t.Fatalf("steps = %d, want 1", len(sc.Steps))
	}
	if sc.Steps[0].Action != ActionHello {
		t.Errorf("step action = %q, want %q", sc.Steps[0].Action, ActionHello)
	}
}

func TestLoadScenarioRejectsUnknownAction(t *testing.T) {
	_, err := LoadScenario(fixture(t, "invalid_request_matrix.yaml"))
	if err == nil {
		t.Fatal("expected error for unknown action, got nil")
	}
	if !strings.Contains(err.Error(), "unknown action") {
		t.Errorf("error = %v, want it to mention unknown action", err)
	}
}

func TestLoadScenarioRejectsMissingStepID(t *testing.T) {
	data := []byte("name: missing_id\ntimeout: 1s\nsteps:\n  - action: hello\n")
	_, err := ParseScenario(data)
	if err == nil {
		t.Fatal("expected error for missing step id, got nil")
	}
	if !strings.Contains(err.Error(), "id is required") {
		t.Errorf("error = %v, want it to mention id is required", err)
	}
}

func TestParseScenarioRejectsInvalidDuration(t *testing.T) {
	data := []byte("name: invalid_timeout\ntimeout: not-a-duration\nsteps:\n  - id: hello\n    action: hello\n")
	_, err := ParseScenario(data)
	if err == nil {
		t.Fatal("expected error for invalid timeout, got nil")
	}
	if !strings.Contains(err.Error(), "invalid timeout") {
		t.Errorf("error = %v, want it to mention invalid timeout", err)
	}
}