// Generates the markdown report for balance-history tool
import { formatAmount } from '../../utils.js';
import type { Account } from '../../types.js';
import type { MonthBalance } from './balance-calculator.js';
export class BalanceHistoryReportGenerator {
generate(account: Account | undefined, period: { start: string; end: string }, sortedMonths: MonthBalance[]): string {
let markdown = `# Balance History\n\n`;
if (account) {
markdown += `Account: ${account.name}\n`;
}
markdown += `Period: ${period.start} to ${period.end}\n\n`;
// Add balance history table
if (account) {
markdown += `| Month | End of Month Balance | Monthly Change | Transactions |\n`;
markdown += `| ----- | -------------------- | -------------- | ------------ |\n`;
} else {
markdown += `| Account | End of Month Balance | Monthly Change | Transactions |\n`;
markdown += `| ------- | -------------------- | -------------- | ------------ |\n`;
}
let previousMonth = '';
sortedMonths.forEach((month) => {
const accountName = month.account;
const monthName: string = new Date(month.year, month.month - 1, 1).toLocaleString('default', { month: 'long' });
const balance: string = formatAmount(month.balance);
let change = '';
const changeFormatted: string = formatAmount(month.change);
const direction: string = month.change! > 0 ? '↑' : month.change! < 0 ? '↓' : '';
change = `${direction} ${changeFormatted}`;
if (account) {
markdown += `| ${monthName} ${month.year} | ${balance} | ${change} | ${month.transactions} |\n`;
} else {
if (monthName != previousMonth) {
previousMonth = monthName;
markdown += `| ${monthName} ${month.year} |\n`;
}
markdown += `${accountName} | ${balance} | ${change} | ${month.transactions} |\n`;
}
});
return markdown;
}
}