# frozen_string_literal: true

module Meroku
  # Logic related to Users login, logout etc
  module User
    def self.login(email, password)
      data = { 'email' => email, 'password' => password }.to_json
      result = RestClient.post 'https://www.meroku.com/login.json',
                               data,
                               content_type: :json
      process_error(result)
      process_success(result) { |x| save_token(x) }
    end

    def self.process_error(result)
      raise Meroku::Error, JSON.parse(result).dig('errors') \
        if JSON.parse(result).dig('errors')
    end

    def self.process_success(result)
      id = JSON.parse(result).dig('data', 'id')
      if id
        yield(result) if block_given?
        puts "OK [#{id}]"
      end
      raise Meroku::Success
    end

    def self.save_token(x)
      token = JSON.parse(x).dig('data', 'id')
      IO.write("#{Dir.home}/.meroku_token", token) if token
    end

    def self.logout
      file = "#{Dir.home}/.meroku_token"
      File.delete(file)
      puts 'Logged out'
      raise Meroku::Success
    end

    def self.signup(email, password)
      data = { 'email' => email, 'password' => password }.to_json
      result = RestClient.post 'https://www.meroku.com/registrations.json',
                               data,
                               content_type: :json
      process_error(result)
      process_success(result) { |x| save_token(x) }
    end

    def self.unregister(options)
      data = { 'email' => options[:email], 'password' => options[:password] }
      result = RestClient::Request.execute(
        method: :delete,
        url: 'https://www.meroku.com/registrations.json',
        headers: { params: data }
      )
      process_error(result)
      process_success(result) { delete_token }
    end

    def self.delete_token
      file = "#{Dir.home}/.meroku_token"
      File.delete(file) if File.exist?(file)
    end
  end
end