import { builders } from 'ast-types';
import { Compiler } from './compiler';
import { compileValueSchema } from './compileValueSchema';
import { OpenAPIValueSchema } from './types';
import { annotateWithJSDocComment } from './comments';

const COMMENT = `
Map of all components defined in the spec to their validation functions.
{Object.<string, <T>(path: string[], value: T, context: any) => (T | ValidationError)>}
`;

/**
 * Compile all component schemas to be expoerted as `components['Name']`.
 */
export function compileComponentSchemas(
    compiler: Compiler,
    schemas: {
        [key: string]: OpenAPIValueSchema;
    },
) {
    const properties = Object.entries(schemas).map(([name]) => {
        return builders.property(
            'init',
            builders.literal(name),
            compileValueSchema(compiler, schemas[name]),
        );
    });

    return [
        annotateWithJSDocComment(
            builders.exportNamedDeclaration(
                builders.variableDeclaration('const', [
                    builders.variableDeclarator(
                        builders.identifier('componentSchemas'),
                        builders.objectExpression(properties),
                    ),
                ]),
            ),
            COMMENT,
        ),
    ];
}