class Member < ApplicationRecord
  default_scope { where(excluded: false) }
  has_many :contributions
  has_many :notifications
  has_paper_trail

  def cancelled_on
    expires_on + 90.days
  end

  def reset_status!
    update(status: expected_status)
  end

  def employed?
    category == "normal" || category == "employed"
  end

  def remove_personal_information!
    update(
      excluded: true,
      display_name: "",
      legal_name: "",
      pronouns: "",
      email: nil,
      identification_number: "",
      category: "",
      address: "",
    )
  end

  def expected_status
    if joined_on.nil?
      :pending
    elsif (joined_on + 6.months).future?
      :passive
    elsif expires_on.future?
      :active
    elsif cancelled_on.future?
      :expired
    else
      :cancelled
    end
  end

  def handle_new_contribution(contribution, overriden_expires_on)
    if joined_on.nil?
      self.joined_on = contribution.payment_on
      self.expires_on = overriden_expires_on.presence || (joined_on + 1.year)
    else
      self.expires_on = overriden_expires_on.presence || expires_on + 1.year
    end

    save!
  end

  def regenerate_notifications(from=Date.today)
    notifications.where(status: 'scheduled').delete_all

    dates = notifications.pluck(:to_be_sent_on)

    return if expires_on.nil?

    [
      { to_be_sent_on: expires_on - 60.days, template: "expiration_in_60d" },
      { to_be_sent_on: expires_on - 30.days, template: "expiration_in_30d" },
      { to_be_sent_on: expires_on +  0.days, template: "expired" },
      { to_be_sent_on: expires_on + 30.days, template: "expired_30d_ago" },
      { to_be_sent_on: expires_on + 60.days, template: "expired_60d_ago" },
      { to_be_sent_on: expires_on + 90.days, template: "cancelled" },
    ].reject do |n|
      n[:to_be_sent_on].before?(from) || dates.include?(n[:to_be_sent_on])
    end.each do |n|
      notifications.create(n.merge(status: "scheduled"))
    end
  end

  def generate_missing_ifthenpay_links!
    self.regular_ifthenpay_link = IfThenPay.generate_gateway_link(
      id: number,
      amount: "30.00",
      description: "Quotas ANSOL",
    ) unless self.regular_ifthenpay_link.present?

    self.reduced_ifthenpay_link = IfThenPay.generate_gateway_link(
      id: number,
      amount: "6.00",
      description: "Quotas ANSOL",
    ) unless self.reduced_ifthenpay_link.present?

    save!
  end

  def self.reset_all_status!
    Member.all.each do |member|
      member.reset_status!
    end
  end

  def self.generate_all_missing_ifthenpay_links!
    Member.all.each do |member|
      member.generate_missing_ifthenpay_links!
    end
  end

  def self.regenerate_all_notifications
    ActiveRecord::Base.transaction do
      ActiveRecord::Base.connection.execute('LOCK members IN ACCESS EXCLUSIVE MODE')

      Member.all.each do |member|
        member.regenerate_notifications
      end
    end
  end
end