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 TestExit(t *testing.T) {
	src := `<? exit;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    8,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    8,
				},
				Expr: &expr.Exit{
					Die: false,
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    7,
					},
				},
			},
		},
	}

	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)
}

func TestExitEmpty(t *testing.T) {
	src := `<? exit();`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    10,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    10,
				},
				Expr: &expr.Exit{
					Die: false,
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    9,
					},
				},
			},
		},
	}

	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)
}

func TestExitExpr(t *testing.T) {
	src := `<? exit($a);`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    12,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    12,
				},
				Expr: &expr.Exit{
					Die: false,
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    11,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  9,
							EndPos:    10,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  9,
								EndPos:    10,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	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)
}

func TestDie(t *testing.T) {
	src := `<? die;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    7,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    7,
				},
				Expr: &expr.Exit{
					Die: true,
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    6,
					},
				},
			},
		},
	}

	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)
}

func TestDieEmpty(t *testing.T) {
	src := `<? die();`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    9,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    9,
				},
				Expr: &expr.Exit{
					Die: true,
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    8,
					},
				},
			},
		},
	}

	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)
}

func TestDieExpr(t *testing.T) {
	src := `<? die($a);`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    11,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    11,
				},
				Expr: &expr.Exit{
					Die: true,
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    10,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  8,
							EndPos:    9,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  8,
								EndPos:    9,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	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)
}