package hclwrite

import (
    "Havoc/pkg/profile/yaotl/hclsyntax"
)

type Attribute struct {
    inTree

    leadComments *node
    name         *node
    expr         *node
    lineComments *node
}

func newAttribute() *Attribute {
    return &Attribute{
        inTree: newInTree(),
    }
}

func (a *Attribute) init(name string, expr *Expression) {
    expr.assertUnattached()

    nameTok := newIdentToken(name)
    nameObj := newIdentifier(nameTok)
    a.leadComments = a.children.Append(newComments(nil))
    a.name = a.children.Append(nameObj)
    a.children.AppendUnstructuredTokens(Tokens{
        {
            Type:  hclsyntax.TokenEqual,
            Bytes: []byte{'='},
        },
    })
    a.expr = a.children.Append(expr)
    a.expr.list = a.children
    a.lineComments = a.children.Append(newComments(nil))
    a.children.AppendUnstructuredTokens(Tokens{
        {
            Type:  hclsyntax.TokenNewline,
            Bytes: []byte{'\n'},
        },
    })
}

func (a *Attribute) Expr() *Expression {
    return a.expr.content.(*Expression)
}