import { CaseStyleConverterBag, NameSplitter } from "budgie";
import * as tsutils from "tsutils";

import { Transformation } from "../output/transformation";
import { RootAliaser } from "../parsing/aliasers/rootAliaser";
import { TransformationsPrinter } from "../printing/transformationsPrinter";
import { ITransformerSettings } from "../service";

import { VisitorContext } from "./context";
import { NodeVisitRouter } from "./router";
import { VisitorCreatorsBag } from "./visitorCreatorsBag";

export const visitSourceFile = ({ contextOptions, sourceFile, typeChecker }: ITransformerSettings): Transformation[] => {
    const aliaser = new RootAliaser(sourceFile, typeChecker);
    const casing = new CaseStyleConverterBag();
    const nameSplitter = new NameSplitter();
    const printer = new TransformationsPrinter();
    const variableUsage = tsutils.collectVariableUsage(sourceFile);
    const visitorContext = new VisitorContext(contextOptions);
    const visitorCreatorsBag = new VisitorCreatorsBag();

    const router = new NodeVisitRouter({
        aliaser,
        casing,
        printer,
        nameSplitter,
        sourceFile,
        typeChecker,
        variableUsage,
        visitorContext,
        visitorCreatorsBag,
    });

    return router.recurseIntoNode(sourceFile);
};