require('dotenv').config();
const sequenceList = require('./sequence');

global.SHALL_BOT_STOP = false;
global.AT_BREAKPOINT = false; // This is used only when running at the browser.
global.FULL_LOG = process.env.FULL_LOG;

/* Default parameters can be changed by the execution configuration */
global.EXCHANGE_NAME = process.env.EXCHANGE_NAME;
global.MARKET = { assetA: "USDT", assetB: "BTC" };
global.CLONE_EXECUTOR = { codeName: 'AACloud', version: '1.1' };

process.on('uncaughtException', function (err) {
    console.log('[INFO] Run -> uncaughtException -> err.message = ' + err.message);
    console.log('[INFO] Run -> uncaughtException -> err.stack = ' + err.stack);
    process.exit(1)
});

process.on('unhandledRejection', (reason, p) => {
    console.log('[INFO] Run -> unhandledRejection -> reason = ' + JSON.stringify(reason));
    console.log('[INFO] Run -> unhandledRejection -> p = ' + JSON.stringify(p));
    process.exit(1)
});

process.on('exit', function (code) {
    console.log('[INFO] Run -> process.on.exit -> About to exit -> code = ' + code);
});


let isRunSequence = false;
let sequenceStep = 0;
let loopCount = 0;
let processedSteps = new Map()
if (process.env.RUN_SEQUENCE !== undefined) {
    isRunSequence = JSON.parse(process.env.RUN_SEQUENCE)
}

if (isRunSequence) {
    sequenceExecution(sequenceStep);
} else {
    readExecutionConfiguration();
}

function sequenceExecution(currentStep) {
    let execution = sequenceList[currentStep];
    process.env.STOP_GRACEFULLY = true;
    execution.devTeam ? process.env.DEV_TEAM = execution.devTeam : undefined;
    execution.bot ? process.env.BOT = execution.bot : undefined;
    execution.mode ? process.env.START_MODE = execution.mode : undefined;
    execution.resumeExecution ? process.env.RESUME_EXECUTION = execution.resumeExecution : undefined;
    execution.type ? process.env.TYPE = execution.type : undefined;
    execution.process ? process.env.PROCESS = execution.process : undefined;
    execution.startYear ? process.env.MIN_YEAR = execution.startYear : undefined;
    execution.endYear ? process.env.MAX_YEAR = execution.endYear : undefined;
    execution.month ? process.env.MONTH = execution.month : undefined;
    execution.beginDatetime ? process.env.BEGIN_DATE_TIME = execution.beginDatetime : undefined;
    execution.dataSet ? process.env.DATA_SET = execution.dataSet : undefined;
    execution.timePeriod ? process.env.TIME_PERIOD = execution.timePeriod : undefined;
    execution.baseAsset ? process.env.BASE_ASSET = execution.baseAsset : undefined;
    execution.balanceAssetA ? process.env.INITIAL_BALANCE_ASSET_A = execution.balanceAssetA : undefined;
    execution.balanceAssetB ? process.env.INITIAL_BALANCE_ASSET_B = execution.balanceAssetB : undefined;

    process.env.CLONE_ID = 1;

    execution.exchangeName ? global.EXCHANGE_NAME = execution.exchangeName : undefined;
    // global.FULL_LOG = execution.fullLog;

    let stepKey = execution.devTeam + '.' + execution.bot + '.' + execution.process;
    if (processedSteps.has(stepKey)) {
        processedSteps.set(stepKey, processedSteps.get(stepKey) + 1);
    } else {
        processedSteps.set(stepKey, 0);
    }
    console.log("EXECUTION: "+JSON.stringify(execution))
    readExecutionConfiguration();
    sequenceStep++;
}

function onExecutionFinish(result, finishStepKey) {
    processedSteps.set(finishStepKey, processedSteps.get(finishStepKey) + 1);
    if (processedSteps.get(finishStepKey) > 1) {
        console.log("[INFO] onExecutionFinish -> Step already processed.");
    } else {
        if (sequenceStep < sequenceList.length) {
            sequenceExecution(sequenceStep);
        } else {
            setTimeout(function () {
                console.log("[INFO] onExecutionFinish -> New round for sequence execution started.");
                loopCount++;
                sequenceStep = 0;
                processedSteps = new Map();
                sequenceExecution(sequenceStep);
            }, process.env.EXECUTION_LOOP_DELAY);
        }
    }
}

function readExecutionConfiguration() {
    try {
        console.log("[INFO] Run -> readExecutionConfiguration -> Entering function. ");
        let startMode

        // General Financial Being Configuration
        global.DEV_TEAM = process.env.DEV_TEAM
        global.CURRENT_BOT_REPO = process.env.BOT + "-" + process.env.TYPE + "-Bot"

        if (process.env.TYPE === 'Trading') {
            let live = {
                run: "false",
                resumeExecution: process.env.RESUME_EXECUTION
            }

            let backtest = {
                run: "false",
                resumeExecution: process.env.RESUME_EXECUTION,
                beginDatetime: process.env.BEGIN_DATE_TIME,
                endDatetime: process.env.END_DATE_TIME
            }

            let competition = {
                run: "false",
                resumeExecution: process.env.RESUME_EXECUTION,
                beginDatetime: process.env.BEGIN_DATE_TIME,
                endDatetime: process.env.END_DATE_TIME
            }

            startMode = {
                live: live,
                backtest: backtest,
                competition: competition
            }
        } else if (process.env.TYPE === 'Indicator' || process.env.TYPE === 'Sensor') {
            let allMonths = {
                run: "false",
                minYear: process.env.MIN_YEAR,
                maxYear: process.env.MAX_YEAR
            }
            let oneMonth = {
                run: "false",
                year: process.env.MIN_YEAR,
                month: process.env.MONTH
            }
            let noTime = {
                run: "false",
                beginDatetime: process.env.BEGIN_DATE_TIME,
                resumeExecution: process.env.RESUME_EXECUTION
            }
            let fixedInterval = {
                run: "false",
                interval: process.env.INTERVAL
            }

            startMode = {
                allMonths: allMonths,
                oneMonth: oneMonth,
                noTime: noTime,
                fixedInterval: fixedInterval
            }
        } else {
            console.log("[ERROR] readExecutionConfiguration -> Bot Type is invalid.");
            throw new Error("readExecutionConfiguration -> Bot Type is invalid.")
        }

        startMode[process.env.START_MODE].run = "true"

        let cloneToExecute = {
            enabled: "true",
            devTeam: process.env.DEV_TEAM,
            bot: process.env.BOT,
            process: process.env.PROCESS,
            repo: global.CURRENT_BOT_REPO
        }

        global.EXECUTION_CONFIG = {
            cloneToExecute: cloneToExecute,
            startMode: startMode,
            timePeriod: getTimePeriod(process.env.TIME_PERIOD),
            timePeriodFileStorage: process.env.TIME_PERIOD,
            dataSet: process.env.DATA_SET
        };

        global.CLONE_EXECUTOR = {
            codeName: 'AACloud',
            version: '1.1'
        }

        startRoot();
    }

    catch (err) {
        console.log("[ERROR] readExecutionConfiguration -> err = " + err);
        console.log("[ERROR] readExecutionConfiguration -> Please verify that the Start Mode for the type of Bot configured applies to that type.");
        console.log("[ERROR] readExecutionConfiguration -> err = " + err.stack);
    }
}

function getTimePeriod(timePeriod) {
    if (timePeriod !== undefined) {
        try {
            let timePeriodMap = new Map()
            timePeriodMap.set("24-hs", 86400000)
            timePeriodMap.set("12-hs", 43200000)
            timePeriodMap.set("08-hs", 28800000)
            timePeriodMap.set("06-hs", 21600000)
            timePeriodMap.set("04-hs", 14400000)
            timePeriodMap.set("03-hs", 10800000)
            timePeriodMap.set("02-hs", 7200000)
            timePeriodMap.set("01-hs", 3600000)
            timePeriodMap.set("45-min", 2700000)
            timePeriodMap.set("40-min", 2400000)
            timePeriodMap.set("30-min", 1800000)
            timePeriodMap.set("20-min", 1200000)
            timePeriodMap.set("15-min", 900000)
            timePeriodMap.set("10-min", 600000)
            timePeriodMap.set("05-min", 300000)
            timePeriodMap.set("04-min", 240000)
            timePeriodMap.set("03-min", 180000)
            timePeriodMap.set("02-min", 120000)
            timePeriodMap.set("01-min", 60000)
            return timePeriodMap.get(timePeriod)
        } catch (error) {
            console.log("[WARN] Run -> readExecutionConfiguration -> getTimePeriod -> Error: ", error);
        }
    } else {
        return undefined
    }
}

function startRoot() {

    console.log("[INFO] Run -> startRoot -> Entering function. ");

    const ROOT_DIR = './';
    const ROOT_MODULE = require(ROOT_DIR + 'Root');
    let root = ROOT_MODULE.newRoot();

    let UI_COMMANDS = {
        beginDatetime: undefined,
        endDatetime: undefined,
        timePeriod: undefined,
        startMode: undefined,
        eventHandler: undefined
    };

    root.initialize(UI_COMMANDS, onInitialized);

    function onInitialized() {

        console.log("[INFO] Run -> startRoot -> onInitialized -> Entering function. ");

        root.start(onExecutionFinish);
    }
}