import { NonterminalKind } from '@nomicfoundation/slang/cst';
import { SlangNode } from './SlangNode.js';
import { MappingKey } from './MappingKey.js';
import { MappingValue } from './MappingValue.js';

import type * as ast from '@nomicfoundation/slang/ast';
import type { AstPath, Doc, ParserOptions } from 'prettier';
import type { CollectedMetadata, PrintFunction } from '../types.d.ts';
import type { AstNode } from './types.d.ts';

export class MappingType extends SlangNode {
  readonly kind = NonterminalKind.MappingType;

  keyType: MappingKey;

  valueType: MappingValue;

  constructor(
    ast: ast.MappingType,
    collected: CollectedMetadata,
    options: ParserOptions<AstNode>
  ) {
    super(ast, collected);

    this.keyType = new MappingKey(ast.keyType, collected);
    this.valueType = new MappingValue(ast.valueType, collected, options);

    this.updateMetadata(this.keyType, this.valueType);
  }

  print(path: AstPath<MappingType>, print: PrintFunction): Doc {
    return [
      'mapping(',
      path.call(print, 'keyType'),
      ' => ',
      path.call(print, 'valueType'),
      ')'
    ];
  }
}