/**
 * Publish XEa ...
 * a node js based application for publishing x-ea Expert ...
 * 
 * Maintainer
 * 
 * Hadi Khazaee Asl <https://saherelm.ir> (hadi_khazaee_asl@yahoo.com)
 */

//
//#region Imports ...
const XFileTools = require("./Node/x-file.tools");
const XArgsParser = require("./Node/x-arg.parser");
const XValueTools = require("./Node/x-value.tools");
const XLoggerTools = require("./Node/x-logger.tools");
//#endregion

//
//#region Constants / Variables ...
const MESSAGES = {
    //
    // Errors ...
    InvalidArgs: "invalid arg ...",
    ActionFailed: "action failed ...",
    DuplicateName: "duplicate name ...",
    //
    // Messages ...
    CheckNameValue: "checking pack name value ...",
    CheckPackExists: "checking given pack name exists or not ...",
    CreatePackFolder: "creating publish destination folder ...",
    StartPacking: "start packing ...",
    Succeed: "packing successfully finished ...",
};
//#endregion

//
//#region Actions ...
//#endregion

//
//#region Startup ...
const args = process.argv;
const packName = process.argv[2];
const packFolderPath = XFileTools.joinPath(__dirname, "Publishes");

//
// Startup function ...
async function startup() {
    //
    // Check pack name contains value ...
    XLoggerTools.simpleInfoLog(MESSAGES.CheckNameValue);
    if (!XValueTools.isValidArg(packName)) {
        //
        XLoggerTools.simpleErrorLog(MESSAGES.InvalidArgs);
        exit();
    }

    //
    // Check Pack Path Exists ...
    if (!XFileTools.isDirectoryExists(packFolderPath)) {
        //
        // Create Pack Folder ...
        const isCreated = XFileTools.createDirectory(packFolderPath);
        if (!isCreated) {
            //
            XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed);
            exit();
        }
    }

    //
    // Prepare Pack Dest Folder Path ...
    const packPath = XFileTools.joinPath(packFolderPath, packName);

    //
    // Check Existance ...
    XLoggerTools.simpleInfoLog(MESSAGES.CheckPackExists);
    if (XFileTools.isDirectoryExists(packPath)) {
        //
        XLoggerTools.simpleErrorLog(MESSAGES.DuplicateName);
        exit();
    }

    //
    // Create Dest Pack Path Folder ...
    XLoggerTools.simpleInfoLog(MESSAGES.CreatePackFolder);
    let isCreated = XFileTools.createDirectory(packPath);
    if (!isCreated) {
        //
        XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed);
        exit();
    }

    //
    // Generate a List of Files ...
    //
    // Ex4 Files ...
    let ex4FilesList = await XFileTools.getRecursiveFilesList(
        __dirname,
        [".ex4"]
    );

    //
    // MQ4 Files ...
    let mq4FilesList = await XFileTools.getRecursiveFilesList(
        __dirname,
        [".mq4"]
    );
    
    //
    // Filter BKP files ...
    //
    // From Ex4 ...
    ex4FilesList = ex4FilesList.filter(f => 
        !f.toLowerCase().includes("bkp")
        && f.toLowerCase().includes("x-saherelm.")
    );

    //
    // From MQ4 ...
    mq4FilesList = mq4FilesList.filter(f => 
        !f.toLowerCase().includes("bkp")
        && f.toLowerCase().includes("x-saherelm.")
    );

    //
    // Create required Dest Folders on Pack Dest ...
    XLoggerTools.simpleInfoLog(MESSAGES.StartPacking);
    
    //
    const packEx4Folder = XFileTools.joinPath(packPath, "Ex4");
    isCreated = XFileTools.createDirectory(packEx4Folder);
    if (!isCreated) {
        //
        XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed());
        exit();
    }

    //
    const packMQ4Folder = XFileTools.joinPath(packPath, "MQ4");
    isCreated = XFileTools.createDirectory(packMQ4Folder);
    if (!isCreated) {
        //
        XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed());
        exit();
    }

    //
    const packReportsFolder = XFileTools.joinPath(packPath, "Reports");
    isCreated = XFileTools.createDirectory(packReportsFolder);
    if (!isCreated) {
        //
        XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed());
        exit();
    }

    //
    // Transfer Files ...
    for(let idx = 0; idx < ex4FilesList.length; idx++) {
        //
        const ex4 = ex4FilesList[idx];
        const mq4 = mq4FilesList[idx];

        //
        // Clear Current Dir and File Name to found Path ...
        const clearEx4FilePath = ex4.replace(__dirname, "");
        const clearMQ4FilePath = mq4.replace(__dirname, "");

        //
        const ex4FileName = XFileTools.basename(clearEx4FilePath);
        const mq4FileName = XFileTools.basename(clearMQ4FilePath);

        //
        let ex4FilePath = clearEx4FilePath.replace(ex4FileName, "");
        if (ex4FilePath.startsWith(XFileTools.PathSeparator)) {
            ex4FilePath = ex4FilePath.substring(1);
        }
        if (ex4FilePath.endsWith(XFileTools.PathSeparator)) {
            ex4FilePath = ex4FilePath.substring(0, ex4FilePath.length - 1);
        }
        ex4FilePath = XFileTools.joinPath(packEx4Folder, ex4FilePath);
        if (!XFileTools.isDirectoryExists(ex4FilePath)) {
            //
            isCreated = XFileTools.createDirectory(ex4FilePath);
            if (!isCreated) {
                //
                XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed);
                exit();
            }
        }
        let isTransfered = await XFileTools.copyFile(ex4, ex4FilePath);
        if (!isTransfered) {
            //
            XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed);
            exit();
        }

        //
        let mq4FilePath = clearMQ4FilePath.replace(mq4FileName, "");
        if (mq4FilePath.startsWith(XFileTools.PathSeparator)) {
            mq4FilePath = mq4FilePath.substring(1);
        }
        if (mq4FilePath.endsWith(XFileTools.PathSeparator)) {
            mq4FilePath = mq4FilePath.substring(0, mq4FilePath.length - 1);
        }
        mq4FilePath = XFileTools.joinPath(packMQ4Folder, mq4FilePath);
        if (!XFileTools.isDirectoryExists(mq4FilePath)) {
            //
            isCreated = XFileTools.createDirectory(mq4FilePath);
            if (!isCreated) {
                //
                XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed);
                exit();
            }
        }
        isTransfered = await XFileTools.copyFile(mq4, mq4FilePath);
        if (!isTransfered) {
            //
            XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed);
            exit();
        }
    }

    //
    // Adding Pack Time ...
    const packVersionFile = XFileTools.joinPath(packPath, "Version.txt");
    const packVersionContent = `packed at: ${new Date()}`;
    isCreated = await XFileTools.writeFile(
        packVersionFile, 
        packVersionContent
    );
    if (!isCreated) {
        //
        XLoggerTools.simpleErrorLog(MESSAGES.ActionFailed);
        exit();
    }

    //
    // Succeed the Action ...
    XLoggerTools.simpleInfoLog(MESSAGES.Succeed);
    exit();
}

/**
 * exit from app ...
 */
function exit() {
    process.exit();
}
//
// Startup Application ...
startup();
//#endregion