account.ts

export class BankAccount {
    accountNumber = Math.floor(Math.random() * (9 * (Math.pow(10, 10)))) + (Math.pow(10, 10))
    accountBalance: number
    transactionHistory: { type: "Credit" | "Debit", amount: number, date: string, fee: number }[] = []
    constructor() {
        this.accountBalance = 100
    }
    Debit(amount: number) {
        let index = String(new Date()).lastIndexOf(':') + 3
        let date = String(new Date()).slice(0, index)
        this.accountBalance -= amount
        this.transactionHistory.push({ type: 'Debit', amount: amount, date: date, fee: 0 })
    }
    Credit(amount: number) {
        let index = String(new Date()).lastIndexOf(':') + 3
        let date = String(new Date()).slice(0, index)
        if (amount > 100) {
            this.accountBalance += amount - 1
            this.transactionHistory.push({ type: 'Credit', amount: amount, date: date, fee: 1 })
        }
        else {
            this.accountBalance += amount
            this.transactionHistory.push({ type: 'Credit', amount: amount, date: date, fee: 0 })
        }
    }
}