import {
  Document,
  Paragraph,
  TextRun,
  HeadingLevel,
  Table,
  TableRow,
  TableCell,
  Packer
} from 'docx';
import * as fs from 'fs';

async function createDocument() {
  const doc = new Document({
    sections: [{
      children: [
        new Paragraph({
          text: "Guitar Lesson Plan",
          heading: HeadingLevel.HEADING_1,
        }),
        new Paragraph({
          children: [
            new TextRun({ text: "Student: ", bold: true }),
            new TextRun("John Doe"),
          ],
        }),
      ],
    }],
  });

  const buffer = await Packer.toBuffer(doc);
  fs.writeFileSync("lesson-plan.docx", buffer);
}

import { Document, Paragraph, TextRun, HeadingLevel, Table, TableRow, TableCell, WidthType, BorderStyle, Packer } from 'docx';

interface LessonPlan {
  studentName: string;
  date: string;
  duration: number;
  objectives: string[];
  songs: Array<{ title: string; focus: string }>;
  homework: string[];
  notes: string;
}

async function createLessonPlan(plan: LessonPlan): Promise<Buffer> {
  const doc = new Document({
    sections: [{
      children: [
        // Header
        new Paragraph({
          text: "Guitar Lesson Plan",
          heading: HeadingLevel.HEADING_1,
          spacing: { after: 200 },
        }),

        // Student info
        new Paragraph({
          children: [
            new TextRun({ text: "Student: ", bold: true }),
            new TextRun(plan.studentName),
            new TextRun({ text: "  |  Date: ", bold: true }),
            new TextRun(plan.date),
            new TextRun({ text: "  |  Duration: ", bold: true }),
            new TextRun(`${plan.duration} minutes`),
          ],
          spacing: { after: 300 },
        }),

        // Objectives
        new Paragraph({
          text: "Lesson Objectives",
          heading: HeadingLevel.HEADING_2,
        }),
        ...plan.objectives.map(obj => new Paragraph({
          text: `• ${obj}`,
          spacing: { after: 100 },
        })),

        // Songs table
        new Paragraph({
          text: "Songs to Practice",
          heading: HeadingLevel.HEADING_2,
          spacing: { before: 200 },
        }),
        new Table({
          width: { size: 100, type: WidthType.PERCENTAGE },
          rows: [
            new TableRow({
              children: [
                new TableCell({
                  children: [new Paragraph({ text: "Song", bold: true })],
                  shading: { fill: "4472C4" },
                }),
                new TableCell({
                  children: [new Paragraph({ text: "Focus Area", bold: true })],
                  shading: { fill: "4472C4" },
                }),
              ],
            }),
            ...plan.songs.map(song => new TableRow({
              children: [
                new TableCell({ children: [new Paragraph(song.title)] }),
                new TableCell({ children: [new Paragraph(song.focus)] }),
              ],
            })),
          ],
        }),

        // Homework
        new Paragraph({
          text: "Homework",
          heading: HeadingLevel.HEADING_2,
          spacing: { before: 200 },
        }),
        ...plan.homework.map(hw => new Paragraph({
          text: `☐ ${hw}`,
          spacing: { after: 100 },
        })),

        // Notes
        new Paragraph({
          text: "Notes",
          heading: HeadingLevel.HEADING_2,
          spacing: { before: 200 },
        }),
        new Paragraph({
          text: plan.notes || "No additional notes.",
        }),
      ],
    }],
  });

  return await Packer.toBuffer(doc);
}

async function createPracticeSchedule(
  studentName: string,
  weeklyGoals: Array<{ day: string; tasks: string[] }>
): Promise<Buffer> {
  const doc = new Document({
    sections: [{
      children: [
        new Paragraph({
          text: `Weekly Practice Schedule - ${studentName}`,
          heading: HeadingLevel.HEADING_1,
        }),
        new Paragraph({
          text: "Aim for 15-30 minutes of focused practice each day.",
          spacing: { after: 300 },
        }),
        ...weeklyGoals.flatMap(day => [
          new Paragraph({
            text: day.day,
            heading: HeadingLevel.HEADING_3,
            spacing: { before: 200 },
          }),
          ...day.tasks.map(task => new Paragraph({
            text: `☐ ${task}`,
          })),
        ]),
      ],
    }],
  });

  return await Packer.toBuffer(doc);
}

import * as mammoth from 'mammoth';

async function extractText(filePath: string): Promise<string> {
  const result = await mammoth.extractRawText({ path: filePath });
  return result.value;
}

async function convertToHtml(filePath: string): Promise<string> {
  const result = await mammoth.convertToHtml({ path: filePath });
  return result.value;
}

npm install docx mammoth