row-check.rb

# did they create this test data for you? or did you create it yourself?
ROWS_FROM_SHEET = [

{

label: 'Versed Roof',
format: 'string',
value: 'some value',
date: nil,

},
{

label: 'Dark Twist',
format: 'number',
value: 'eleven',
date: '2022-09-30',

},
{

label: 'Heavenly Song',
format: 'number',
value: 12.5,

date: nil,

},
{

label: 'Overtake View',
format: 'boolean',
value: 'sometimes',
date: '01/31/2021',

},
{

label: 'Nonchalant Amusement?',
format: 'boolean',
value: 'maybe',
date: nil,

},
{

label: 'Cars Quiet',
format: 'string',
value: 'none',
date: nil,

},
{

label: 'Promote Popcorn',
format: 'string',
value: 'thirty-five',
date: '2020-02-28',

},
{

label: 'Dynamic Observation',
format: 'number',
value: 239,
date: '12-2020',

},
{

label: 'Jump Kite?',
format: 'boolean',
value: 'true',
date: nil,

},
{

label: nil,
format: 'string',
value: 'pineapple',
date: nil,

},
{

label: 'Soap Icicle',
format: 'number',
value: 40900,
date: 'December 2023',

},

{

label: 'Painstaking Payment',
format: 'number',
value: -712.2,
date: nil,

},
{

label: 'Sugar Rabbit',
format: 'string',
value: 'symphony',
date: '2021-03-30',

},

]

require 'date'

# think you can use Date.parse() instead here to simplify things

# def parse_date_with_formats(date_str)
#   formats = ['%m/%d/%Y', '%Y-%m-%d']
#   formats.each do |format|
#     begin
#       return Date.strptime(date_str, format)
#     rescue ArgumentError
#       next
#     end
#   end
#   raise ArgumentError.new("Invalid date format")
# end

# def is_valid_date?(date_str)
#   begin
#     date = parse_date_with_formats(date_str)
#     last_day_of_month = Date.new(date.year, date.month, -1).day
#     date.day == last_day_of_month
#   rescue ArgumentError
#     false
#   end
# end

def is_valid_date?(date_str)
  begin
    date = Date.parse(date_str)
    return date.end_of_month?
  rescue ArgumentError
    false
  end
end

def validate_import_data(rows)
  errors = []

  rows.each_with_index do |row, index|
    # 1. Check if label, format, and value are present
    # this will also add this error when :label, :format or :value are Nil -- is that what we want?
    # if not, I think you can use respond_to() method instead --> row.respond_to(:label)
    errors << "Row #{index + 1}: Missing label, format, or value" unless row[:label] && row[:format] && row[:value]

    # 2. Check if row's format matches its value
    case row[:format]
    when 'string'
      errors << "Row #{index + 1}: Value '#{row[:value]}' does not match format 'string'" unless row[:value].is_a?(String)
    when 'number'
      # think we could simplify this by using "row[:value].is_a?(Numeric)"
      errors << "Row #{index + 1}: Value '#{row[:value]}' does not match format 'number'" unless row[:value].to_s.match(/^[-+]?\d+(\.\d+)?$/)
    when 'boolean'
      errors << "Row #{index + 1}: Value '#{row[:value]}' does not match format 'boolean'" unless ['true', 'false'].include?(row[:value].to_s.downcase)
    else
      # handle case when row[:format] is invalid
      errors << "Row #{index + 1}: '#{row[:format]}' is NOT one of 'string', 'number' or 'boolean'"
    end

    # 3. Check if date is valid (if provided)
    if row[:date]
      errors << "Row #{index + 1}: Invalid date '#{row[:date]}'" unless is_valid_date?(row[:date])
    end

    # 4. Check if label and value match boolean format requirements
    if row[:format] == 'boolean'
      errors << "Row #{index + 1}: Label '#{row[:label]}' must end with a question mark" unless row[:label].end_with?('?')
    end
  end

  errors
end

errors = validate_import_data(ROWS_FROM_SHEET)
puts errors.join("\n")