import { FlatFileGenerator } from "../FlatFileGenerator";
import { FileAbstraction } from "../../../../bundle-abstraction/FileAbstraction";
import { OptimisedCore } from "../OptimisedCore";
import { each } from "realm-utils";
import { RequireStatement } from "../../../../bundle-abstraction/nodes/RequireStatement";

export class StatementModification {
    public static perform(core: OptimisedCore, generator: FlatFileGenerator, file: FileAbstraction): Promise<void> {
        return each(file.requireStatements, (statement: RequireStatement) => {
            if (statement.isComputed) {
                statement.setFunctionName("$fsx.c")
                statement.bindID(file.getID())
                // file map is requested with computed require statements
                file.addFileMap();
            } else {
                let resolvedFile = statement.resolve();
                if (resolvedFile) {
                    statement.setFunctionName('$fsx.r')
                    statement.setValue(resolvedFile.getID());
                }
            }
        });
    }
}