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

export function generatePromise (src : sources.Source) {
    generate({
        checkName : src.name,
        generated : src.generated,
        imports : [
            {
                alias : "assert",
                path  : `main/generated/sync/assert/${src.name}`
            }
        ],
        writeDirectory : "promise",
        lineCallback : (args : LineArg) : string[] => {
            const resultLines : string[] = [];
            resultLines.push(`export function promise${args.functionName}${args.genericArg} (name : string, ${args.functionArg.trim()}) : Promise<${src.type}> {`);
            resultLines.push(`    return new Promise<${src.type}>((resolve) => {`);
            resultLines.push(`        resolve(assert.assert${args.functionName}(name, ${args.functionArgNames.join(", ")}));`);
            resultLines.push(`    });`);
            resultLines.push(`}`);
            resultLines.push("");

            if (args.functionArgNames.length > 1) {
                resultLines.push(`export function promise${args.functionName}Handler${args.genericArg} (${args.functionArg.replace(/mixed\s*:\s*any\s*\,/, "").trim()}) : (name : string, mixed : any) => Promise<${src.type}> {`);
                resultLines.push(`    return (name : string, mixed : any) : Promise<${src.type}> => {`);
                resultLines.push(`        return promise${args.functionName}(name, ${args.functionArgNames.join(", ")});`);
                resultLines.push(`    };`);
                resultLines.push(`}`);
                resultLines.push("");
            }

            return resultLines;
        }
    });
}