/**
 * POST /api/messages/:instanceId/:chatId/send
 * Send a message to a chat (from UI)
 */
import { query } from '../../../../utils/database'
import { baileysManager } from '../../../../services/baileys/manager'

interface SendMessageBody {
  message: string
}

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')
  const chatId = getRouterParam(event, 'chatId')
  const body = await readBody<SendMessageBody>(event)

  if (!body.message?.trim()) {
    throw createError({ statusCode: 400, message: 'Message is required' })
  }

  // Get chat JID
  const chatResult = await query<{ jid: string }>(
    'SELECT jid FROM chats WHERE id = $1 AND instance_id = $2',
    [chatId, instanceId]
  )

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

  const jid = chatResult.rows[0].jid

  try {
    const result = await baileysManager.sendMessage(instanceId!, jid, {
      text: body.message
    })

    return {
      success: true,
      messageId: result.key.id
    }
  } catch (error) {
    throw createError({
      statusCode: 500,
      message: `Failed to send message: ${(error as Error).message}`
    })
  }
})