whatsappNucleo/server/api/messages/[instanceId]/react.post.ts

/**
 * POST /api/messages/:instanceId/react
 * Send a reaction to a message
 */
import { baileysManager } from '../../../services/baileys/manager'
import { query } from '../../../utils/database'

export default defineEventHandler(async (event) => {
  const username = getHeader(event, 'x-authentik-username')
  if (!username) {
    throw createError({ statusCode: 401, message: 'Unauthorized' })
  }

  const instanceId = getRouterParam(event, 'instanceId')
  if (!instanceId) {
    throw createError({ statusCode: 400, message: 'Missing instanceId' })
  }

  const body = await readBody<{ messageId: string; emoji: string }>(event)
  if (!body?.messageId) {
    throw createError({ statusCode: 400, message: 'Missing messageId in request body' })
  }

  // emoji can be empty string to remove reaction
  if (body.emoji === undefined) {
    throw createError({ statusCode: 400, message: 'Missing emoji in request body' })
  }

  try {
    // Get the message to find its JID
    const msgResult = await query<{ raw_message: any }>(
      `SELECT raw_message FROM messages WHERE instance_id = $1 AND message_id = $2`,
      [instanceId, body.messageId]
    )

    if (msgResult.rows.length === 0) {
      throw createError({ statusCode: 404, message: 'Message not found' })
    }

    const rawMessage = msgResult.rows[0].raw_message
    const jid = rawMessage?.key?.remoteJid

    if (!jid) {
      throw createError({ statusCode: 400, message: 'Could not determine message JID' })
    }

    await baileysManager.sendReaction(instanceId, jid, body.messageId, body.emoji)

    return { success: true, messageId: body.messageId, emoji: body.emoji }
  } catch (error: any) {
    console.error('[React API] Error sending reaction:', error)

    if (error.statusCode) {
      throw error
    }

    throw createError({
      statusCode: 500,
      message: error.message || 'Error sending reaction'
    })
  }
})