NotificationPlugin = require "../../notification-plugin"

class Trello extends NotificationPlugin
  @getListId: (config, callback) ->
    @request
      .get("https://api.trello.com/1/boards/#{config?.boardId}/lists?key=#{config?.applicationKey}&token=#{config?.memberToken}")
      .timeout(4000)
      .on("error", callback)
      .end (res) ->
        return callback(res.error) if res.error

        callback null, res.body?.find((el) -> el.name == config?.listName)?.id

  @ensureIssueOpen: (config, issueId, callback) ->
    @request.put("https://api.trello.com/1/cards/#{issueId}/?key=#{config?.applicationKey}&token=#{config?.memberToken}")
      .send({"closed": false})
      .on "error", (err) ->
        callback(err)
      .end (res) ->
        callback(res.error)

  @addCommentToIssue: (config, issueId, comment) ->
    @request.post("https://api.trello.com/1/cards/#{issueId}/actions/comments/?key=#{config?.applicationKey}&token=#{config?.memberToken}")
      .send({"text": comment})
      .on("error", console.error)
      .end()

  @openIssue: (config, event, callback) ->
    # Would be nice to save this list Id for repeated calls
    @getListId config, (err, listId) =>
      return callback(err) if err

      data =
        "key": config?.applicationKey
        "token": config?.memberToken
        "idList": listId
        "name": "#{event.error.exceptionClass} in #{event.error.context}"
        "due": null
        "labels": config?.labels?.split(',')
        "desc": @markdownBody event

      @request
        .post("https://api.trello.com/1/cards")
        .send(data)
        .on "error", (err) ->
          callback(err)
        .end (res) ->
          return callback(res.error) if res.error

          callback null,
            id: res.body.id
            url: res.body.url

  @receiveEvent: (config, event, callback) ->

    if event?.trigger?.type == "linkExistingIssue"
      return callback(null, null)

    if event?.trigger?.type == "reopened"
      if event?.error?.createdIssue?.id
        @ensureIssueOpen(config, event.error.createdIssue.id, callback)
        @addCommentToIssue(config, event.error.createdIssue.id, @markdownBody(event))
    else
      @openIssue(config, event, callback)

module.exports = Trello