# File app/lib/integration_provider/mailchimp.rb, line 127
def self.member_list_sync(member)
  integration = member.site.integrations.mailchimp.first

  return false if new(integration).api_key_inactive?

  if member.status != "awaiting_approval"
    director = SyncListDirector.new(member: member, integration: integration)

    director.add_lists.each do |list_id|
      MailchimpJob.perform_later(
        method: "subscribe",
        integration: integration,
        member: member,
        list_id: list_id
      )
    end

    director.remove_lists.each do |list_id|
      MailchimpJob.perform_later(
        method: "unsubscribe",
        integration: integration,
        member: member,
        email: member.email,
        list_id: list_id
      )
    end
  end
end

# File app/lib/integration_provider/mailchimp.rb, line 5
def initialize(integration)
  @integration = integration
  @errors = nil
end

# File app/lib/integration_provider/mailchimp.rb, line 156
def self.remove_from_all_lists(email, site_id)
  integration = DB::Integration.mailchimp.find_by(site_id: site_id)

  return false if new(integration).api_key_inactive?

  lists = []
  config = integration.configuration
  lists << config["default_list_id"] if config["default_list_id"].present?

  if config["plan_to_list"].present?
    config["plan_to_list"].each do |p2l|
      lists << p2l["list_id"]
    end
  end

  lists.each do |list_id|
    MailchimpJob.perform_later(
      method: "unsubscribe",
      integration: integration,
      email: email,
      list_id: list_id
    )
  end
end

# File app/lib/integration_provider/mailchimp.rb, line 115
def api_key_inactive?
  if integration.blank?
    @errors = "Your Mailchimp API key is not configured"
    true
  elsif integration.authentication_inactive?
    @errors = "Your Mailchimp API key has been marked as inactive or disabled"
    true
  else
    false
  end
end

# File app/lib/integration_provider/mailchimp.rb, line 10
def connected?
  api_key.size > 5
end

# File app/lib/integration_provider/mailchimp.rb, line 39
def email_on_list?(email, list_id)
  return false if api_key_inactive?

  response = connect {
    connection.get("/3.0/lists/#{list_id}/members/#{Digest::MD5.hexdigest(email)}")
  }
  response.status == 200
end

# File app/lib/integration_provider/mailchimp.rb, line 23
def get_lists
  return false if api_key_inactive?
  @lists = get_lists_data
  true
rescue Faraday::ConnectionFailed => e
  @errors = "Failed to connect to Mailchimp: #{e}. Please try again later."
  false
end

# File app/lib/integration_provider/mailchimp.rb, line 32
def list_details(list_id)
  return false if api_key_inactive?

  response = connect { connection.get("/3.0/lists/#{list_id}") }
  manage_response(response)
end

# File app/lib/integration_provider/mailchimp.rb, line 79
def list_members(list_id)
  return false if api_key_inactive?

  response = connection.get("/3.0/lists/#{list_id}?fields=member.email_address")
  data = JSON.parse response.body
  data["members"]
end

# File app/lib/integration_provider/mailchimp.rb, line 48
def subscribe(user, list_id)
  return false if api_key_inactive?

  params = {"email_address" => user.email,
            "status" => "subscribed",
            "merge_fields" => {"FNAME" => user.first_name, "LNAME" => user.last_name}}
  response = connect {
    connection.post("/3.0/lists/#{list_id}/members") do |req|
      req.body = JSON.generate(params)
    end
  }

  manage_response(response)
end

# File app/lib/integration_provider/mailchimp.rb, line 63
def unsubscribe(user, list_id)
  return false if api_key_inactive?

  unsubscribe_by_email(user.email, list_id)
end

# File app/lib/integration_provider/mailchimp.rb, line 69
def unsubscribe_by_email(email, list_id)
  return false if api_key_inactive?

  subscriber_hash = Digest::MD5.hexdigest(email)
  response = connect { connection.delete("/3.0/lists/#{list_id}/members/#{subscriber_hash}") }
  if response.status >= 500
    raise MailchimpError, "Unable to unsubscribe #{email} from mailchimp list #{list_id}"
  end
end

# File app/lib/integration_provider/mailchimp.rb, line 14
def valid?
  if integration.configuration["plan_to_list"]
    alter_plan_to_list
    has_api_key? && plan_to_list_valid?
  else
    has_api_key?
  end
end

# File app/lib/integration_provider/mailchimp.rb, line 93
def view_all_plans
  @view_all_plans ||= [
    ["No plan selected...", nil]
  ] + integration.site.plans.map { |p| [p.name, p.id] }
end

# File app/lib/integration_provider/mailchimp.rb, line 99
def view_lists
  if has_api_key?
    unless @errors
      @view_lists ||= [
        ["No list selected...", nil]
      ] + @lists.map { |list| [list["name"], list["id"]] }
    end
  else
    []
  end
end

# File app/lib/integration_provider/mailchimp.rb, line 111
def view_plan_to_lists
  @view_plan_to_lists ||= integration.configuration["plan_to_list"] || []
end

# File app/lib/integration_provider/mailchimp.rb, line 87
def view_plans
  @view_plans ||= [
    ["No plan selected...", nil]
  ] + integration.site.enabled_plans.map { |p| [p.name, p.id] }
end