class StatusPage

# File lib/statuspage.rb, line 9
def initialize(args=nil)
  @config = File.expand_path("~/statuspage.yml")
  @components = {}
  load_config
  load_components
  start(args) if args
end

# File lib/statuspage.rb, line 40
def components(*args)
  component_name_valid?(args[0]) unless args.empty?
  if args.empty?
    results = httparty_send :get, "#{@base_url}#{@page}/components.json"
    puts results
    results
  elsif args.size == 1
    component_name = @components.keys.grep(/#{args[0].downcase}/).first
    component_id = @components["#{component_name}"]

    results = httparty_send :get, "#{@base_url}#{@page}/components.json"
    component = results.select{|c| c['id'] == component_id}.first
    puts "Status of #{component['name']}: #{component['status'].gsub('_',' ')}"
  else 
    valid_component_status?(args[1])
    component_name = @components.keys.grep(/#{args[0].downcase}/).first
    component_id = @components["#{component_name}"]
    component_new_status = COMPONENT_STATUSES.grep(/#{args[1].downcase}/).first
    url = "#{@base_url}#{@page}/components/#{component_id}.json"

    results = httparty_send :patch, url, :body => {"component[status]" => component_new_status.gsub(' ', '_')}
    puts "Status for #{component_name} is now #{results['status'].gsub('_',' ')}"
  end
end

# File lib/statuspage.rb, line 68
def incidents(*args)
  if args.empty?
    results = httparty_send :get, "#{@base_url}#{@page}/incidents.json"
    incidents = results.reject {|i| ['resolved', 'postmortem', 'completed'].include? i['status']}
    if incidents.empty?
      puts "No unresolved incidents"
      return []
    else
      puts "Unresolved incidents:"
      incidents.each do |i|
        puts "#{i['name']} - status: #{i['status']}, created at #{i['created_at']}"
      end
      return incidents
    end
  elsif args[0] == 'open'
    valid_incident_status?(args[2])
    options = { :body => { "incident[name]" => args[1], "incident[status]" => args[2],  "incident[message]" => args[3] } }
    results = httparty_send :post, "#{@base_url}#{@page}/incidents.json", options
    puts results
  elsif args[0] == 'update'
    latest_incident = incidents.reject {|i| ['resolved', 'postmortem', 'completed'].include? i['status']}.first
    if latest_incident.nil?
      puts "No open incidents"
    else
      valid_incident_status?(args[1])
      options = { :body => { "incident[status]" => args[1],  "incident[message]" => args[2] } }
      results = httparty_send :patch, "#{@base_url}#{@page}/incidents/#{latest_incident['id']}.json", options
      puts results
    end
  else
    puts "Invalid command"
  end
end

# File lib/statuspage.rb, line 24
def load_components
  httparty_send(:get, "#{@base_url}#{@page}/components.json").each {|c| @components[c['name'].downcase] = c['id'] }
end

# File lib/statuspage.rb, line 17
def load_config
  config = YAML.load(File.open @config)
  @oauth = config['oauth']
  @base_url = config['base_url']
  @page = config['page']
end

# File lib/statuspage.rb, line 28
def start(args=[])
  command = args.shift
  if self.respond_to? command
    send(command, *args)
  else
    puts "Command not recognized"
  end
end

# File lib/statuspage.rb, line 104
def component_name_valid?(name)
  unless @components.keys.detect {|n| n =~ /#{name}/}
    puts "Invalid component name"
    exit
  end
  true
end

# File lib/statuspage.rb, line 126
def httparty_send(action, url, options={})
  options.merge!(:headers => { "Authorization: OAuth" => @oauth })
  HTTParty.send(action, url, options)
end

# File lib/statuspage.rb, line 112
def valid_component_status?(status)
  unless COMPONENT_STATUSES.grep(/#{status}/)
    raise "#{status} is not a valid component status. Please pick one of the following: #{COMPONENT_STATUSES.to_s}"
  end
  true
end

# File lib/statuspage.rb, line 119
def valid_incident_status?(status)
  unless INCIDENT_STATUSES.include? status
    raise "#{status} is not a valid incident status. Please pick one of the following: #{INCIDENT_STATUSES.to_s}"
  end
  true
end