const CouchDB = require("../../db")
const bcrypt = require("../../utilities/bcrypt")

exports.fetch = async function(ctx) {
  const database = new CouchDB(ctx.params.instanceId)
  const data = await database.query("database/by_type", {
    include_docs: true,
    key: ["user"],
  })

  ctx.body = data.rows.map(row => row.doc)
}

exports.create = async function(ctx) {
  const database = new CouchDB(ctx.params.instanceId)
  const { username, password, name } = ctx.request.body

  if (!username || !password) ctx.throw(400, "Username and Password Required.")

  const response = await database.post({
    username,
    password: await bcrypt.hash(password),
    name,
    type: "user",
  })

  // the clientDB needs to store a map of users against the app
  const clientDb = new CouchDB(`client-${process.env.CLIENT_ID}`)
  const app = await clientDb.get(ctx.params.appId)

  app.userInstanceMap = {
    ...app.userInstanceMap,
    [username]: ctx.params.instanceId,
  }
  await clientDb.put(app)

  ctx.body = {
    user: {
      id: response.id,
      rev: response.rev,
      username,
      name,
    },
    message: `User created successfully.`,
    status: 200,
  }
}

exports.destroy = async function(ctx) {
  const database = new CouchDB(ctx.params.instanceId)
  const response = await database.destroy(ctx.params.userId)
  ctx.body = {
    ...response,
    message: `User deleted.`,
    status: 200,
  }
}