'use strict';

const types = require('../../tokenizer/types.cjs');

const name = 'PseudoClassSelector';
const walkContext = 'function';
const structure = {
  name: String,
  children: [['Raw'], null],
};

// : [ <ident> | <function-token> <any-value>? ) ]
function parse() {
  const start = this.tokenStart;
  let children = null;
  let name;
  let nameLowerCase;

  this.eat(types.Colon);

  if (this.tokenType === types.Function) {
    name = this.consumeFunctionName();
    nameLowerCase = name.toLowerCase();

    if (hasOwnProperty.call(this.pseudo, nameLowerCase)) {
      this.skipSC();
      children = this.pseudo[nameLowerCase].call(this);
      this.skipSC();
    } else {
      children = this.createList();
      children.push(this.Raw(this.tokenIndex, null, false));
    }

    this.eat(types.RightParenthesis);
  } else {
    name = this.consume(types.Ident);
  }

  return {
    type: 'PseudoClassSelector',
    loc: this.getLocation(start, this.tokenStart),
    name,
    children,
  };
}

function generate(node) {
  this.token(types.Colon, ':');

  if (node.children === null) {
    this.token(types.Ident, node.name);
  } else {
    this.token(types.Function, node.name + '(');
    this.children(node);
    this.token(types.RightParenthesis, ')');
  }
}

exports.generate = generate;
exports.name = name;
exports.parse = parse;
exports.structure = structure;
exports.walkContext = walkContext;