'use strict';

const { resolve: resolvePath, join: joinPath } = require('path');
const { writeFile, mkdir } = require('fs/promises');
const { symbols } = require('..');

function getNodeApiDef() {
    const symbolsSet = new Set();
    for (const ver of Object.values(symbols)) {
        for (const sym of ver.node_api_symbols) {
            symbolsSet.add(sym);
        }
        for (const sym of ver.js_native_api_symbols) {
            symbolsSet.add(sym);
        }
    }
    return 'NAME NODE.EXE\nEXPORTS\n' + Array.from(symbolsSet).join('\n');
}

function getJsNativeApiDef() {
    const symbolsSet = new Set();
    for (const ver of Object.values(symbols)) {
        for (const sym of ver.js_native_api_symbols) {
            symbolsSet.add(sym);
        }
    }
    return 'NAME NODE.EXE\nEXPORTS\n' + Array.from(symbolsSet).join('\n');
}

async function main() {
    const def = resolvePath(__dirname, '../def'); 
    try {
        await mkdir(def)
    } catch (e) {
        if (e.code !== 'EEXIST') {
            throw e;
        }
    }
   
    const nodeApiDefPath = joinPath(def, 'node_api.def');
    console.log(`Writing Windows .def file to ${nodeApiDefPath}`);
    await writeFile(nodeApiDefPath, getNodeApiDef());

    const jsNativeApiDefPath = joinPath(def, 'js_native_api.def');
    console.log(`Writing Windows .def file to ${jsNativeApiDefPath}`);
    await writeFile(jsNativeApiDefPath, getJsNativeApiDef());
}

main().catch(e => {
    console.error(e);
    process.exitCode = 1;
});