use std, http, json, functional, date

header = "* Prints current GitHub timeline *"
println "*" * header.length
println header
println "*" * header.length

// Executes in main thread
//http("https://api.github.com/events", def(r) {
//  foreach(jsondecode(r), ::show_github_events)
//})

// Executes in new thread
thread(::http, "https://api.github.com/events", def(r) {
  foreach(jsondecode(r), ::show_github_events)
})

def show_github_events(event) {
  println event.created_at.formatTzDate()
  println "User: https://github.com/" + event.actor.login
  println github_event_type(event)
  println "-" * 50
}

def github_event_type(event) {
    repo = "https://github.com/" + event.repo.name
    payload = event.payload
    return match event.type {
      case "CommitCommentEvent": "commented commit in " + repo + "\n" + payload.comment.body
      case "CreateEvent": "created " + payload.ref_type + " on " + repo
      case "DeleteEvent": "deleted " + payload.ref_type + " on " + repo
      case "ForkEvent": "forked repository " + repo
      case "IssueCommentEvent": "commented issue " + payload.issue.title + " on " + repo + "\n" + payload.comment.body
      case "IssuesEvent": payload.action + " issue '" + payload.issue.title + "' on " + repo
      case "PullRequestEvent": payload.action + " pull request #" + payload.number + " '" + payload.pull_request.title + "' on " + repo
      case "PushEvent": "pushed " + length(payload.commits) + " commits to " + repo
      case "WatchEvent": "start watching repository " + repo
      case type : type + " on " + repo
    }
}

def formatTzDate(str) = formatDate(parseTzDate(str), newFormat("yyyy-MM-dd HH:mm:ss"))
def parseTzDate(str) = parseDate(str, newFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"))