import {generate, LineArg} from "./generator";

export function generateCheckMaybe (name : string, generated : boolean|undefined) {
    generate({
        checkName : name,
        generated : generated,
        imports : [
            {
                alias : "NullOrUndefinedCheck",
                path  : "../sync/check/generic/null-or-undefined"
            },
            {
                alias : "check",
                path  : generated ?
                    `../generated/sync/check/${name}` :
                    `../sync/check/${name}`
            }
        ],
        writeDirectory : "sync/check/maybe",
        lineCallback : (args : LineArg) : string[] => {
            const resultLines : string[] = [];
            resultLines.push(`export type Maybe${args.functionName}ErrorCodeType = ${args.functionRet.replace("undefined|", "").replace("|undefined", "")};`);
            resultLines.push(`export function checkMaybe${args.functionName}${args.genericArg} (${args.functionArg.trim()}) : undefined|Maybe${args.functionName}ErrorCodeType {`);
            resultLines.push(`    return NullOrUndefinedCheck.checkNullOrUndefinedOr(`);
            resultLines.push(`        mixed,`);
            if (args.functionArgNames.length == 1) {
                resultLines.push(`        check.check${args.functionName}`);
            } else {
                resultLines.push(`        () => {`);
                resultLines.push(`            return check.check${args.functionName}(${args.functionArgNames.join(", ")})`);
                resultLines.push(`        }`);
            }
            resultLines.push(`    );`);
            resultLines.push(`}`);
            return resultLines;
        },
    })
}