package eval_test

import (
	"testing"

	"github.com/google/go-cmp/cmp"
	. "src.elv.sh/pkg/eval"
	"src.elv.sh/pkg/parse"
)

var autofixTests = []struct {
	Name string
	Code string

	WantAutofixes []string
}{
	{
		Name: "get variable from unimported builtin module",
		Code: "echo $mod1:foo",

		WantAutofixes: []string{"use mod1"},
	},
	{
		Name: "set variable from unimported builtin module",
		Code: "set mod1:foo = bar",

		WantAutofixes: []string{"use mod1"},
	},
	{
		Name: "tmp set variable from unimported builtin module",
		Code: "tmp mod1:foo = bar",

		WantAutofixes: []string{"use mod1"},
	},
	{
		Name: "call command from unimported builtin module",
		Code: "mod1:foo",

		WantAutofixes: []string{"use mod1"},
	},
	{
		Name: "no autofix for using variable from imported module",
		Code: "use mod1; echo $mod1:foo",

		WantAutofixes: nil,
	},
	{
		Name: "no autofix for using variable from non-builtin module",
		Code: "echo $mod-external:foo",

		WantAutofixes: nil,
	},
}

func TestAutofix(t *testing.T) {
	ev := NewEvaler()
	ev.AddModule("mod1", &Ns{})
	for _, tc := range autofixTests {
		t.Run(tc.Name, func(t *testing.T) {
			_, autofixes, _ := ev.Check(parse.Source{Name: "[test]", Code: tc.Code}, nil)
			if diff := cmp.Diff(tc.WantAutofixes, autofixes); diff != "" {
				t.Errorf("autofixes (-want +got):\n%s", diff)
			}
		})
	}
}