import { EmailDraft } from './outlook-manager.js';
export interface DraftTemplate {
name: string;
subject: string;
body: string;
category: string;
}
export class DraftGenerator {
private static templates: DraftTemplate[] = [
{
name: 'meeting_request',
subject: 'Meeting Request - {topic}',
body: `Hello,
I would like to invite you to a meeting regarding {topic}.
Meeting Details:
- Date: {date}
- Time: {time}
- Location: {location}
- Duration: {duration}
Agenda:
{agenda}
Please confirm your availability. If you have any conflicts, please let me know your preferred time.
Thank you!
Best regards,
{sender}`,
category: 'meeting'
},
{
name: 'follow_up',
subject: 'Follow-up - {topic}',
body: `Hello,
I wanted to follow up on our previous discussion about {topic}.
{details}
Please let me know if you have any questions or if there's anything else I can help with.
Best regards,
{sender}`,
category: 'follow_up'
},
{
name: 'thank_you',
subject: 'Thank you - {topic}',
body: `Hello,
Thank you for your help and support with {topic}.
{details}
Your assistance is greatly appreciated.
Best regards,
{sender}`,
category: 'thank_you'
},
{
name: 'status_update',
subject: 'Status Update - {project}',
body: `Hello,
Here's a status update on {project}.
Current Progress:
{progress}
Next Steps:
{next_steps}
Please let me know if you have any questions or concerns.
Best regards,
{sender}`,
category: 'update'
}
];
static generateDraft(templateName: string, variables: Record<string, string>, recipients: string[]): EmailDraft {
const template = this.templates.find(t => t.name === templateName);
if (!template) {
throw new Error(`Template '${templateName}' not found`);
}
const subject = this.replaceVariables(template.subject, variables);
const body = this.replaceVariables(template.body, variables);
return {
to: recipients,
subject,
body,
isHtml: false
};
}
static generateReplyDraft(originalSubject: string, originalBody: string, replyType: 'agree' | 'decline' | 'info_request' | 'custom', customMessage?: string): EmailDraft {
let subject = originalSubject;
if (!subject.toLowerCase().startsWith('re:')) {
subject = `Re: ${subject}`;
}
let body = '';
switch (replyType) {
case 'agree':
body = `Hello,
Thank you for your email. I agree with your proposal/suggestion.
${customMessage || ''}
Please let me know the next steps.
Best regards`;
break;
case 'decline':
body = `Hello,
Thank you for your email. I'm sorry, but I cannot accept your proposal/suggestion.
${customMessage || ''}
If there are alternative options, please feel free to contact me.
Best regards`;
break;
case 'info_request':
body = `Hello,
Thank you for your email. I need more information to make a decision.
${customMessage || 'Please provide more details.'}
Looking forward to your reply.
Best regards`;
break;
case 'custom':
body = customMessage || '';
break;
}
// Add original email reference
body += `\n\n---\nOriginal Email:\n${this.formatOriginalEmail(originalBody)}`;
return {
to: [],
subject,
body,
isHtml: false
};
}
static generateSmartDraft(context: string, intent: string, recipients: string[]): EmailDraft {
const intents = {
'schedule_meeting': {
subject: 'Meeting Request',
body: `Hello,
I would like to schedule a meeting to discuss the following:
${context}
Please let me know your available time, and I will send a formal meeting invitation.
Best regards`
},
'request_information': {
subject: 'Information Request',
body: `Hello,
I need to understand the following information:
${context}
I would appreciate it if you could provide relevant information.
Best regards`
},
'project_update': {
subject: 'Project Update',
body: `Hello,
Here is the latest project update:
${context}
If you have any questions or need to discuss anything, please feel free to contact me.
Best regards`
},
'general': {
subject: 'Email',
body: `Hello,
${context}
Best regards`
}
};
const template = intents[intent as keyof typeof intents] || intents.general;
return {
to: recipients,
subject: template.subject,
body: template.body,
isHtml: false
};
}
static getAvailableTemplates(): DraftTemplate[] {
return this.templates;
}
private static replaceVariables(text: string, variables: Record<string, string>): string {
let result = text;
for (const [key, value] of Object.entries(variables)) {
result = result.replace(new RegExp(`\\{${key}\\}`, 'g'), value);
}
return result;
}
private static formatOriginalEmail(originalBody: string): string {
// Clean up the original email body and limit to first few lines
const cleanBody = originalBody
.replace(/<[^>]*>/g, '')
.replace(/\s+/g, ' ')
.trim();
const lines = cleanBody.split('\n').slice(0, 5);
return lines.join('\n') + (lines.length >= 5 ? '\n...' : '');
}
}
