require "uri"
require "csv"
require "colorize"
require "table_print"

class FilesCheck
  attr_reader :file_list
  def initialize(name)
    @name = name
    @file_list = []
  end

  def instruction
    puts "Hello, this is a files check process. It will check whether your URL is valid or not first. If it is valid, it will further check whether is a supported file type. The supported file types for this process are .pdf and .doc. Although you provide unsupported files or not valid file, it will ask you to provide the valid and supported file types document again. If you wish to leave the process, simply type 3 to respond.".colorize(:blue)
    puts "--" * 30
    income_proof
  end

  private

  def income_proof
    puts "provide the proof of income document URL (only .pdf or .doc): ".colorize(:light_blue)
    leave_request

    url = gets.chomp
    return income_proof unless valid_file_check(url)
    return income_proof unless file_type_check(url)

    two_forms_of_identity
  end

  def two_forms_of_identity
    file_arr = []
    loop do
      puts "provide identity documents' URL in total two (only .pdf or .doc): ".colorize(:light_blue)
      leave_request

      url = gets.chomp
      return two_forms_of_identity unless valid_file_check(url)
      return two_forms_of_identity unless file_type_check(url)

      file_arr << url
      break if file_arr.size == 2
    end
    retailer_quote
  end

  def retailer_quote
    puts "Provide the eligible quote URL (only .pdf or .doc): ".colorize(:light_blue)
    leave_request

    url = gets.chomp
    file_type = File.extname(URI.parse(url).path)
    return retail quote unless valid_file_check(url)
    return retail quote unless file_type_check(url)

    eligible_quote(url)
  end

  def eligible_quote(url)
    retailer = URI.parse(url).host
    csv_text = File.read(__dir__ + "/cec_approved_retailers.csv")
    csv = CSV.parse(csv_text, headers: true)

    result = csv.find do |web|
      web_address = web.to_hash
      retailer == web_address["URL"]
    end

    if result != nil
      puts "Eligible retailer. Congrats all the required URL has been uploaded".colorize(:red)
    else
      puts "Not Eligible retailer. Please check the provided list of CEC  approved retailers below, wish to hear back from you soon.".colorize(:light_yellow)
      tp csv.map { |row| row.to_hash }, { :NAME => { display_name: "Company Name" } }, { :URL => { width: 35 } }
    end
  end

  def valid_file_check(url)
    loop do
      if url =~ URI::regexp
        puts "It's a valid URL."
        return true
      elsif url == "3"
        exit
      else
        puts "It's not a valid file URL.".colorize(:light_yellow)
        return false
      end
      break if url == "0" || url =~ URI::regexp
    end
  end

  def file_type_check(url)
    loop do
      file_type = File.extname(URI.parse(url).path)
      if file_type == ".pdf" || file_type == ".doc"
        puts "File upload succeeded.".colorize(:red)
        puts " "
        @file_list << url
        return true
      else
        puts "Upload failed, please provide .pdf or .doc document.".colorize(:light_yellow)
        puts " "
        return false
      end
      break if file_type == ".pdf" || file_type == ".doc"
    end
  end

  def leave_request
    puts "if you wish to leave this file check process, type 3 ".colorize(:green)
  end
end