import fs from 'fs'; import path from 'path'; import { ProgressReporter } from './progress-reporter.js'; import { Email } from '../client/email-client.js'; const DEFAULT_OUTPUT_FILE = 'trash-cleaner-report.html'; /** * A progress reporter that generates an HTML report file. */ class HtmlProgressReporter extends ProgressReporter { private _outputPath: string; private _trashEmails: Email[] = []; private _unreadEmailCount: number = 0; private _dryRun: boolean = false; /** * Creates an instance of HtmlProgressReporter. */ constructor(outputPath: string = DEFAULT_OUTPUT_FILE) { super(); this._outputPath = outputPath; } /** * An event that fires when cleaning has started. */ onStart(dryRun: boolean): void { this._dryRun = dryRun; this._trashEmails = []; this._unreadEmailCount = 0; } /** * An event that fires when unread emails are retrieved. */ onUnreadEmailsRetrieved(emails: Email[]): void { this._unreadEmailCount = emails.length; } /** * An event that fires when trash emails are identified. */ onTrashEmailsIdentified(emails: Email[]): void { this._trashEmails = emails; } /** * An event that fires when cleaning has stopped. */ onStop(): void { const html = this._generateHtml(); fs.writeFileSync(this._outputPath, html, 'utf8'); const resolvedPath = path.resolve(this._outputPath); console.log(`HTML report written to: ${resolvedPath}`); } /** * Generates the full HTML report. */ private _generateHtml(): string { const timestamp = new Date().toLocaleString(); const actionCounts = this._getActionCounts(); return ` Trash Cleaner Report

🗑️ Trash Cleaner Report

Generated: ${this._escapeHtml(timestamp)}

${this._dryRun ? '⚠️ Dry-run mode — no actions were performed' : ''}

${this._unreadEmailCount}

Unread emails

${this._trashEmails.length}

Trash identified

${this._renderActionStats(actionCounts)}

${this._trashEmails.length > 0 ? this._renderEmailTable() : '

No trash emails found.

`; } /** * Gets action counts from trash emails. */ private _getActionCounts(): Record { const counts: Record = {}; for (const email of this._trashEmails) { const action = email._action || 'delete'; counts[action] = (counts[action] || 0) + 1; } return counts; } /** * Renders action stat cards. */ private _renderActionStats(actionCounts: Record): string { return Object.entries(actionCounts).map(([action, count]) => `

${count}

${this._actionLabel(action)}

` ).join('\n '); } /** * Renders the email details table. */ private _renderEmailTable(): string { const rows = this._trashEmails.map(email => { const action = email._action || 'delete'; const rule = email._rule ? this._escapeHtml(email._rule) : ''; return ` ${action} ${rule} ${this._escapeHtml(email.from)} ${this._escapeHtml(email.subject)} ${this._escapeHtml(email.labels.join(', '))} `; }).join('\n'); return `${rows}

Action	Rule	From	Subject	Labels

`; } /** * Returns a human-readable action label. */ private _actionLabel(action: string): string { switch (action) { case 'delete': return 'Deleted'; case 'archive': return 'Archived'; case 'mark-as-read': return 'Marked as read'; default: return action; } } /** * Escapes HTML special characters. */ private _escapeHtml(str: string): string { if (!str) return ''; return String(str) .replace(/&/g, '&') .replace(//g, '>') .replace(/"/g, '"'); } } export { HtmlProgressReporter };