var pull = require('pull-stream')
function isImage (filename) {
  return /\.(gif|jpg|png|svg)$/i.test(filename)
}

var sbot_links2 = require('../plugs').first(exports.sbot_links2 = [])
var blob_url = require('../plugs').first(exports.blob_url = [])
var signified = require('../plugs').first(exports.signified = [])
var builtin_tabs = require('../plugs').map(exports.builtin_tabs = [])

exports.suggest_mentions = function (word, cb) {
  if(!/^[%&@]\w/.test(word)) return cb()


  signified(word, function (err, names) {
    if(err) cb(err)
    else cb(null, names.map(function (e) {
      return {
        title: e.name + ': ' + e.id.substring(0,10)+' ('+e.rank+')',
        value: '['+e.name+']('+e.id+')',
        rank: e.rank,
        //TODO: avatar images...
      }
    }))
  })
}

exports.suggest_search = function (query, cb) {
  if(/^[@%]\w/.test(query)) {
    signified(query, function (_, names) {
      cb(null, names.map(function (e) {
        return {
          title: e.name + ':'+e.id.substring(0, 10),
          value: e.id,
          subtitle: e.rank,
          rank: e.rank
        }
      }))
    })

  } else if(/^\//.test(query)) {
    var tabs = [].concat.apply([], builtin_tabs())
    cb(null, tabs.filter(function (name) {
      return name.substr(0, query.length) === query
    }).map(function (name) {
      return {
        title: name,
        value: name,
      }
    }))
  } else cb()
}