import {Programs}                               from "./CreateProgram.js";
import {Player}                                 from "./Player.js";
import {SpecialServerIps}                       from "./SpecialServerIps.js";
import {post}                                   from "./Terminal.js";

import {isValidIPAddress}                       from "../utils/IPAddress.js";
import {formatNumber}                           from "../utils/StringHelperFunctions.js";


/* DarkWeb.js */
//Posts a "help" message if connected to DarkWeb
function checkIfConnectedToDarkweb() {
    if (SpecialServerIps.hasOwnProperty("Darkweb Server")) {
        var darkwebIp =  SpecialServerIps["Darkweb Server"];
        if (!isValidIPAddress(darkwebIp)) {return;}
        if (darkwebIp == Player.getCurrentServer().ip) {
            post("You are now connected to the dark web. From the dark web you can purchase illegal items. " +
                 "Use the 'buy -l' command to display a list of all the items you can buy. Use 'buy [item-name] " +
                 "to purchase an item");
        }
    }

}

//Handler for dark web commands. The terminal's executeCommand() function will pass
//dark web-specific commands into this. It will pass in the raw split command array
//rather than the command string
function executeDarkwebTerminalCommand(commandArray) {
    if (commandArray.length == 0) {return;}
    switch (commandArray[0]) {
        case "buy":
            if (commandArray.length != 2) {
                post("Incorrect number of arguments. Usage: ");
                post("buy -l");
                post("buy [item name]");
                return;
            }
            var arg = commandArray[1];
            if (arg == "-l") {
                listAllDarkwebItems();
            } else {
                buyDarkwebItem(arg);
            }
            break;
        default:
            post("Command not found");
            break;
    }
}

function listAllDarkwebItems() {
    for (var item in DarkWebItems) {
		if (DarkWebItems.hasOwnProperty(item)) {
            var item = DarkWebItems[item];
            //Convert string using toLocaleString
            var split = item.split(" - ");
            if (split.length == 3 && split[1].charAt(0) == '$') {
                split[1] = split[1].slice(1);
                split[1] = split[1].replace(/,/g, '');
                var price = parseFloat(split[1]);
                if (isNaN(price)) {
                    post(item);
                    return;
                }
                price = formatNumber(price, 0);
                split[1] = "$" + price.toString();
                post(split.join(" - "));
            } else {
                post(item);
            }
		}
	}

    var priceString = split[1];
    //Check for errors
    if (priceString.length == 0 || priceString.charAt(0) != '$') {
        return -1;
    }
    //Remove dollar sign and commas
    priceString = priceString.slice(1);
    priceString = priceString.replace(/,/g, '');

    //Convert string to numeric
    var price = parseFloat(priceString);
    if (isNaN(price)) {return -1;}
    else {return price;}
}

function buyDarkwebItem(itemName) {
    if (itemName.toLowerCase() == Programs.BruteSSHProgram.toLowerCase()) {
        var price = parseDarkwebItemPrice(DarkWebItems.BruteSSHProgram);
        if (price > 0 && Player.money.gt(price)) {
            Player.loseMoney(price);
            Player.getHomeComputer().programs.push(Programs.BruteSSHProgram);
            post("You have purchased the BruteSSH.exe program. The new program " +
                 "can be found on your home computer.");
        } else {
            post("Not enough money to purchase " + itemName);
        }
    } else if (itemName.toLowerCase() == Programs.FTPCrackProgram.toLowerCase()) {
        var price = parseDarkwebItemPrice(DarkWebItems.FTPCrackProgram);
        if (price > 0 && Player.money.gt(price)) {
            Player.loseMoney(price);
            Player.getHomeComputer().programs.push(Programs.FTPCrackProgram);
            post("You have purchased the FTPCrack.exe program. The new program " +
                 "can be found on your home computer.");
        } else {
            post("Not enough money to purchase " + itemName);
        }
    } else if (itemName.toLowerCase() == Programs.RelaySMTPProgram.toLowerCase()) {
        var price = parseDarkwebItemPrice(DarkWebItems.RelaySMTPProgram);
        if (price > 0 && Player.money.gt(price)) {
            Player.loseMoney(price);
            Player.getHomeComputer().programs.push(Programs.RelaySMTPProgram);
            post("You have purchased the relaySMTP.exe program. The new program " +
                 "can be found on your home computer.");
        } else {
            post("Not enough money to purchase " + itemName);
        }
    } else if (itemName.toLowerCase() == Programs.HTTPWormProgram.toLowerCase()) {
        var price = parseDarkwebItemPrice(DarkWebItems.HTTPWormProgram);
        if (price > 0 && Player.money.gt(price)) {
            Player.loseMoney(price);
            Player.getHomeComputer().programs.push(Programs.HTTPWormProgram);
            post("You have purchased the HTTPWorm.exe program. The new program " +
                 "can be found on your home computer.");
        } else {
            post("Not enough money to purchase " + itemName);
        }
    } else if (itemName.toLowerCase() == Programs.SQLInjectProgram.toLowerCase()) {
        var price = parseDarkwebItemPrice(DarkWebItems.SQLInjectProgram);
        if (price > 0 && Player.money.gt(price)) {
            Player.loseMoney(price);
            Player.getHomeComputer().programs.push(Programs.SQLInjectProgram);
            post("You have purchased the SQLInject.exe program. The new program " +
                 "can be found on your home computer.");
        } else {
            post("Not enough money to purchase " + itemName);
        }
    } else if (itemName.toLowerCase() == Programs.DeepscanV1.toLowerCase()) {
        var price = parseDarkwebItemPrice(DarkWebItems.DeepScanV1Program);
        if (price > 0 && Player.money.gt(price)) {
            Player.loseMoney(price);
            Player.getHomeComputer().programs.push(Programs.DeepscanV1);
            post("You have purchased the DeepscanV1.exe program. The new program " +
                 "can be found on your home computer.");
        } else {
            post("Not enough money to purchase " + itemName);
        }
    } else if (itemName.toLowerCase() == Programs.DeepscanV2.toLowerCase()) {
        var price = parseDarkwebItemPrice(DarkWebItems.DeepScanV2Program);
        if (price > 0 && Player.money.gt(price)) {
            Player.loseMoney(price);
            Player.getHomeComputer().programs.push(Programs.DeepscanV2);
            post("You have purchased the DeepscanV2.exe program. The new program " +
                 "can be found on your home computer.");
        } else {
            post("Not enough money to purchase " + itemName);
        }
    } else {
        post("Unrecognized item");
    }
}

function parseDarkwebItemPrice(itemDesc) {
    var split = itemDesc.split(" - ");
    if (split.length == 3) {
        var priceString = split[1];
        //Check for errors
        if (priceString.length == 0 || priceString.charAt(0) != '$') {
            return -1;
        }
        //Remove dollar sign and commas
        priceString = priceString.slice(1);
        priceString = priceString.replace(/,/g, '');

        //Convert string to numeric
        var price = parseFloat(priceString);
        if (isNaN(price)) {return -1;}
        else {return price;}
    } else {
        return -1;
    }
}

let DarkWebItems = {
    BruteSSHProgram:    "BruteSSH.exe - $500,000 - Opens up SSH Ports",
    FTPCrackProgram:    "FTPCrack.exe - $1,500,000 - Opens up FTP Ports",
    RelaySMTPProgram:   "relaySMTP.exe - $5,000,000 - Opens up SMTP Ports",
    HTTPWormProgram:    "HTTPWorm.exe - $30,000,000 - Opens up HTTP Ports",
    SQLInjectProgram:   "SQLInject.exe - $250,000,000 - Opens up SQL Ports",
    DeepScanV1Program:  "DeepscanV1.exe - $500,000 - Enables 'scan-analyze' with a depth up to 5",
    DeepScanV2Program:  "DeepscanV2.exe - $25,000,000 - Enables 'scan-analyze' with a depth up to 10",
}

export {checkIfConnectedToDarkweb, executeDarkwebTerminalCommand,
        listAllDarkwebItems, buyDarkwebItem, parseDarkwebItemPrice,
        DarkWebItems};