import {generate, LineArg} from "./generator";
import * as sources from "./Source";

export function generateCheckStringFormat (src : sources.StringFormatSourceRaw) {
    generate({
        checkName : src.name,
        generated : src.generated,
        imports : [
            {
                alias : "StringCheck",
                path  : "../sync/check/string"
            },
            {
                alias : "check",
                path  : src.generated ?
                    `../generated/sync/check/${src.name}` :
                    `../sync/check/${src.name}`
            }
        ],
        writeDirectory : "sync/check/string-format",
        lineCallback : (args : LineArg) : string[] => {
            const resultLines : string[] = [];
            resultLines.push(`export type ${args.functionName}StringResult = StringCheck.StringErrorCode|${args.functionRet.replace("undefined|", "").replace("|undefined", "")};`);
            resultLines.push(`export function check${args.functionName}String${args.genericArg} (${args.functionArg}) : undefined|${args.functionName}StringResult {`);
            resultLines.push(`    return StringCheck.checkStringPredicate(mixed, (str) => {`);
            resultLines.push(`        const toCheck = ${src.cast}(str);`);
            if (args.functionArgNames.length == 1) {
                resultLines.push(`        const error = check.check${args.functionName}(toCheck);`);
            } else {
                const argNames = [...args.functionArgNames];
                argNames[0] = "toCheck";
                resultLines.push(`        const error = check.check${args.functionName}(${argNames.join(", ")});`);
            }
            resultLines.push(`        if (error !== undefined) {`);
            resultLines.push(`            return error;`);
            resultLines.push(`        }`);
            resultLines.push(`        return undefined;`);
            resultLines.push(`    });`);
            resultLines.push(`}`);
            return resultLines;
        },
    })
}