const { Pinecone } = require('../utils/pinecone');
const { reqBody } = require('../utils/http');
const { Workspace } = require('../models/workspace');
const { Document } = require('../models/documents');
const { DocumentVectors } = require('../models/vectors');
const { WorkspaceChats } = require('../models/workspaceChats');
const { convertToChatHistory } = require('../utils/chats');

function workspaceEndpoints(app) {
  if (!app) return;

  app.post('/workspace/new', async (request, response) => {
    const { name = null } = reqBody(request);
    const { workspace, message } = await Workspace.new(name);
    response.status(200).json({ workspace, message })
  })

  app.post('/workspace/:slug/update-embeddings', async (request, response) => {
    const { slug = null } = request.params;
    const { adds = [], deletes = [] } = reqBody(request);
    const currWorkspace = await Workspace.get(`slug = '${slug}'`);

    if (!currWorkspace) {
      response.sendStatus(400).end();
      return;
    }

    await Document.removeDocuments(currWorkspace, deletes);
    await Document.addDocuments(currWorkspace, adds);
    const updatedWorkspace = await Workspace.get(`slug = '${slug}'`);
    response.status(200).json({ workspace: updatedWorkspace })
  })

  app.delete('/workspace/:slug', async (request, response) => {
    const { slug = '' } = request.params
    const workspace = await Workspace.get(`slug = '${slug}'`);

    if (!workspace) {
      response.sendStatus(400).end();
      return;
    }

    await Workspace.delete(`slug = '${slug.toLowerCase()}'`);
    await DocumentVectors.deleteForWorkspace(workspace.id);
    await Document.delete(`workspaceId = ${Number(workspace.id)}`)
    await WorkspaceChats.delete(`workspaceId = ${Number(workspace.id)}`)
    try { await Pinecone['delete-namespace']({ namespace: slug }) } catch (e) { console.error(e.message) }
    response.sendStatus(200).end()
  })

  app.get('/workspaces', async (_, response) => {
    const workspaces = await Workspace.where();
    response.status(200).json({ workspaces })
  })

  app.get('/workspace/:slug', async (request, response) => {
    const { slug } = request.params
    const workspace = await Workspace.get(`slug = '${slug}'`);
    response.status(200).json({ workspace })
  })

  app.get('/workspace/:slug/chats', async (request, response) => {
    const { slug } = request.params
    const workspace = await Workspace.get(`slug = '${slug}'`);
    if (!workspace) {
      response.sendStatus(400).end()
      return;
    }

    const history = await WorkspaceChats.forWorkspace(workspace.id)
    response.status(200).json({ history: convertToChatHistory(history) })
  })
}

module.exports = { workspaceEndpoints }