package sourcerange

import (
	"strings"
	"testing"

	"gitea.maximumdirect.net/eric/notarius/internal/core/source"
)

func TestValidateChecksOnlyDurableNumericRange(t *testing.T) {
	for _, test := range []struct {
		name string
		ref  source.SourceRef
		want string
	}{
		{name: "valid without source ID", ref: source.SourceRef{StartUnitID: 1, EndUnitID: 2}},
		{name: "nonpositive start", ref: source.SourceRef{StartUnitID: 0, EndUnitID: 1}, want: "start_unit_id"},
		{name: "nonpositive end", ref: source.SourceRef{StartUnitID: 1, EndUnitID: 0}, want: "end_unit_id"},
		{name: "reversed", ref: source.SourceRef{StartUnitID: 2, EndUnitID: 1}, want: "must not exceed"},
	} {
		t.Run(test.name, func(t *testing.T) {
			err := Validate(test.ref)
			if test.want == "" && err != nil {
				t.Fatalf("Validate() error = %v, want nil", err)
			}
			if test.want != "" && (err == nil || !strings.Contains(err.Error(), test.want)) {
				t.Fatalf("Validate() error = %v, want %q", err, test.want)
			}
		})
	}
}
