package expr_test

import (
	"bytes"
	"testing"

	"gotest.tools/assert"

	"github.com/z7zmey/php-parser/node/expr"
	"github.com/z7zmey/php-parser/position"

	"github.com/z7zmey/php-parser/node"
	"github.com/z7zmey/php-parser/node/stmt"
	"github.com/z7zmey/php-parser/php5"
	"github.com/z7zmey/php-parser/php7"
)

func TestForeachWithRef(t *testing.T) {
	t.Helper()
	src := `<? foreach ($a as $k => &$v) {}`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    31,
		},
		Stmts: []node.Node{
			&stmt.Foreach{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    31,
				},
				Expr: &expr.Variable{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  13,
						EndPos:    14,
					},
					VarName: &node.Identifier{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  13,
							EndPos:    14,
						},
						Value: "a",
					},
				},
				Key: &expr.Variable{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  19,
						EndPos:    20,
					},
					VarName: &node.Identifier{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  19,
							EndPos:    20,
						},
						Value: "k",
					},
				},
				Variable: &expr.Reference{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  25,
						EndPos:    27,
					},
					Variable: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  26,
							EndPos:    27,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  26,
								EndPos:    27,
							},
							Value: "v",
						},
					},
				},
				Stmt: &stmt.StmtList{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  30,
						EndPos:    31,
					},
					Stmts: []node.Node{},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assert.DeepEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assert.DeepEqual(t, expected, actual)
}