const { Worknote, User } = require('../models');

exports.addWorknote = async (req, res) => {
  try {
    const { requestId, requestType, message, isInternal } = req.body;

    if (!requestId || !requestType || !message) {
      return res.status(400).json({
        success: false,
        message: 'Request ID, type, and message are required'
      });
    }

    await Worknote.create({
      requestId,
      requestType,
      userId: req.user.id,
      content: message,
      isInternal: isInternal || false
    });

    res.status(201).json({
      success: true,
      message: 'Worknote added successfully'
    });
  } catch (error) {
    console.error('Add worknote error:', error);
    res.status(500).json({ success: false, message: 'Error adding worknote' });
  }
};

exports.getWorknotes = async (req, res) => {
  try {
    const { requestId } = req.params;
    const { requestType } = req.query;

    const worknotes = await Worknote.findAll({
      where: {
        requestId,
        requestType
      },
      include: [{
        model: User,
        as: 'author',
        attributes: ['name', 'role']
      }],
      order: [['createdAt', 'DESC']]
    });

    res.json({
      success: true,
      worknotes
    });
  } catch (error) {
    console.error('Get worknotes error:', error);
    res.status(500).json({ success: false, message: 'Error fetching worknotes' });
  }
};

exports.deleteWorknote = async (req, res) => {
  try {
    const { id } = req.params;

    const worknote = await Worknote.findByPk(id);
    if (!worknote) {
      return res.status(404).json({ success: false, message: 'Worknote not found' });
    }

    // Only allow user who created it or admin to delete
    if (worknote.userId !== req.user.id && req.user.role !== 'Super Admin') {
      return res.status(403).json({ success: false, message: 'Access denied' });
    }

    await worknote.destroy();

    res.json({
      success: true,
      message: 'Worknote deleted successfully'
    });
  } catch (error) {
    console.error('Delete worknote error:', error);
    res.status(500).json({ success: false, message: 'Error deleting worknote' });
  }
};