import { checkAdminAuth } from '@/lib/auth';
import fs from 'fs';
import { NextRequest, NextResponse } from 'next/server';
import path from 'path';

// Path to the editable text file
const TEXT_FILE = path.join(process.cwd(), 'data', 'editable_text.json');
export type EditableText = { id: string; content: string };
// Ensure the data directory exists
function ensureDataDirectory() {
  const dataDir = path.join(process.cwd(), 'data');
  if (!fs.existsSync(dataDir)) {
    fs.mkdirSync(dataDir, { recursive: true });
  }
}

// Get all editable texts
function getEditableTexts() {
  ensureDataDirectory();

  if (!fs.existsSync(TEXT_FILE)) {
    // Default texts
    const defaultTexts = [
      {
        id: 'welcome-text',
        content: '<p>Herzlich willkommen bei der Online-Abstimmungsplattform des SCHAFWASCHENER SEGELVEREIN CHIEMSEE E.V. RIMSTING.</p><p>Diese Plattform ermöglicht es Mitgliedern, sicher und bequem über Vereinsangelegenheiten abzustimmen.</p>'
      },
      {
        id: 'current-vote-text',
        content: '<p>Derzeit läuft eine Abstimmung zur Änderung der Vereinssatzung.</p><p>Bitte nutzen Sie den Ihnen zugesandten Link, um an der Abstimmung teilzunehmen.</p><p>Bei Fragen wenden Sie sich bitte an den Vorstand.</p>'
      },
      {
        id: 'vote-question',
        content: '<p>Stimmen Sie der vorgeschlagenen Änderung der Vereinssatzung zu?</p>'
      },
      {
        id: 'vote-options',
        content: [
          {
            id: 'yes',
            label: 'Ja, ich stimme zu'
          },
          {
            id: 'no',
            label: 'Nein, ich stimme nicht zu'
          },
          {
            id: 'abstain',
            label: 'Ich enthalte mich'
          }
        ]
      }
    ];

    fs.writeFileSync(TEXT_FILE, JSON.stringify(defaultTexts, null, 2));
    return defaultTexts;
  }

  const data = fs.readFileSync(TEXT_FILE, 'utf-8');
  return JSON.parse(data);
}

// Save editable texts

function saveEditableTexts(texts: EditableText[]) {
  ensureDataDirectory();
  fs.writeFileSync(TEXT_FILE, JSON.stringify(texts, null, 2));
}

// GET handler to retrieve all editable texts
export async function GET() {
  try {
    const texts = getEditableTexts();
    return NextResponse.json({ texts });
  } catch (error) {
    console.error('Error getting editable texts:', error);
    return NextResponse.json(
      { error: 'Failed to get editable texts' },
      { status: 500 }
    );
  }
}

// POST handler to update an editable text (requires admin authentication)
export async function POST(request: NextRequest) {
  try {
    const body = await request.json();
    // Check for admin auth
    const { password, } = body;
    const isAuthenticated = await checkAdminAuth(password);
    if (!isAuthenticated) {
      return NextResponse.json(
        { error: 'Unauthorized' },
        { status: 401 }
      );
    }

    const { id, content } = body;

    if (!id || !content) {
      return NextResponse.json(
        { error: 'ID and content are required' },
        { status: 400 }
      );
    }

    // Get current texts
    const texts = getEditableTexts();

    // Find and update the text with the given ID
    const textIndex = texts.findIndex((text: EditableText

    ) => text.id === id);

    if (textIndex === -1) {
      // Text not found, add new
      texts.push({ id, content });
    } else {
      // Update existing text
      texts[textIndex].content = content;
    }

    // Save updated texts
    saveEditableTexts(texts);

    return NextResponse.json({ success: true });
  } catch (error) {
    console.error('Error updating editable text:', error);
    return NextResponse.json(
      { error: 'Failed to update editable text' },
      { status: 500 }
    );
  }
}