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draft.ts
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draft.ts
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class Label {
public static readonly DEPOSIT = new Label('deposit');
public static readonly FEE = new Label('fee');
public static readonly OPENING = new Label('opening');
public static readonly REVERSE = new Label('reverse');
public static readonly WITHDRAW = new Label('withdraw');
public static readonly ERROR = new Label('error');
private name: string;
private constructor(name: string) {
}
public getName(): string {
}
public toString(): string {
}
}
class Operation {
private index: number;
private label: Label;
private value: number;
private balance: number;
constructor(index: number, label: Label, value: number, balance: number) {
}
public getBalance(): number {
}
public getIndex(): number {
}
public getLabel(): Label {
}
public getValue(): number {
}
public toString(): string {
}
}
class BalanceManager {
private balance: number;
private extract: Array<Operation>;
private nextId: number;
constructor() {
}
public addOperation(label: Label, value: number) {
}
public getOperation(index: number): Operation {
}
public getExtract(qtdOp: number): Operation[] {
}
public getBalance(): number {
}
}
class Account {
private balanceManager: BalanceManager;
private id: number;
constructor(id: number) {
}
public deposit(label: Label, value: number): boolean {
if (value < 0) {
console.log("fail: invalid value");
return false;
}
this.balanceManager.addOperation(label, value);
return true;
}
public fee(value: number): boolean {
}
public reverse(index: number): void {
}
public withdraw(value: number): boolean {
}
public toString(): string {
}
public getBalanceManager(): BalanceManager {
}
}
function input(): string { let X: any = input; X.L = X.L || require("fs").readFileSync(0).toString().split(/\r?\n/); return X.L.shift(); } // _TEST_ONLY_
// function input(): string { let X: any = input; X.P = X.P || require("readline-sync"); return X.P.question() } // _FREE_ONLY_
function write(text: any, endl="\n") { process.stdout.write("" + text + endl); }
export {};
function main() {
let account = new Account(0);
while (true) {
write("$", "");
let line = input();
write(line); // _TEST_ONLY_
let args = line.split(" ");
if (args[0] == "end") { break; }
else if (args[0] == "init") { account = new Account(+args[1]); }
else if (args[0] == "show") { write(account); }
else if (args[0] == "withdraw") { account.withdraw(+args[1]); }
else if (args[0] == "fee") { account.fee(+args[1]) }
else if (args[0] == "reverse") {
for (let i = 1; i < args.length; i++) {
account.reverse(+args[i]);
}
}
else if (args[0] == "deposit") { account.deposit(Label.DEPOSIT, +args[1]); }
else if (args[0] == "extract") { write(account.getBalanceManager().getExtract(+args[1]).join("\n")); }
else { write("fail: invalid command"); }
}
}
main()