package ast

import "github.com/sqlc-dev/sqlc/internal/sql/format"

type BetweenExpr struct {
	Tag NodeTag[BetweenExpr] `json:"tag"`

	// Expr is the value expression to be compared.
	Expr Node `json:"expr,omitempty"`
	// Left is the left expression in the between statement.
	Left Node `json:"left,omitempty"`
	// Right is the right expression in the between statement.
	Right Node `json:"right,omitempty"`
	// Not is true, the expression is "not between".
	Not      bool `json:"not"`
	Location int  `json:"location"`
}

func (n *BetweenExpr) Pos() int {
	return n.Location
}

func (n *BetweenExpr) Format(buf *TrackedBuffer, d format.Dialect) {
	if n == nil {
		return
	}
	buf.astFormat(n.Expr, d)
	if n.Not {
		buf.WriteString(" NOT BETWEEN ")
	} else {
		buf.WriteString(" BETWEEN ")
	}
	buf.astFormat(n.Left, d)
	buf.WriteString(" AND ")
	buf.astFormat(n.Right, d)
}