class StandupMD

# File lib/standup_md.rb, line 21
def self.load(attributes = {})
  self.new do |s|
    attributes.each do |k, v|
      next unless s.respond_to?(k)
      s.send("#{k}=", v)
    end
  end.load
end

# File lib/standup_md.rb, line 233
def initialize
  @notes = []
  @header_depth = 1
  @sub_header_depth = 2
  @bullet_character = '-'
  @current_entry_tasks = ["<!-- ADD TODAY'S WORK HERE -->"]
  @impediments = ['None']
  @file_name_format = '%Y_%m.md'
  @directory = File.join(ENV['HOME'], '.cache', 'standup_md')
  @header_date_format = '%Y-%m-%d'
  @current_header = 'Current'
  @previous_header = 'Previous'
  @impediments_header = 'Impediments'
  @notes_header = 'Notes'
  @sub_header_order = %w[previous current impediments notes]

  yield self if block_given?
end

# File lib/standup_md.rb, line 275
def entry_previously_added?
  @entry_previously_added
end

# File lib/standup_md.rb, line 267
def file_written?
  @file_written
end

# File lib/standup_md.rb, line 332
def bullet_character=(character)
  raise 'Must be "-" or "*"' unless %w[- *].include?(character)
  @bullet_character = character
end

# File lib/standup_md.rb, line 310
def current_entry_tasks=(tasks)
  raise 'Must be an Array' unless tasks.is_a?(Array)
  @current_entry_tasks = tasks
end

# File lib/standup_md.rb, line 345
def directory=(directory)
  # TODO test this
  directory = File.expand_path(directory)
  FileUtils.mkdir_p(directory) unless File.directory?(directory)
  @directory = directory
end

# File lib/standup_md.rb, line 358
def header_depth=(depth)
  if !depth.between?(1, 5)
    raise 'Header depth out of bounds (1..5)'
  elsif depth >= sub_header_depth
    raise 'header_depth must be larger than sub_header_depth'
  end
  @header_depth = depth
end

# File lib/standup_md.rb, line 321
def impediments=(tasks)
  raise 'Must be an Array' unless tasks.is_a?(Array)
  @impediments = tasks
end

# File lib/standup_md.rb, line 299
def notes=(tasks)
  raise 'Must be an Array' unless tasks.is_a?(Array)
  @notes = tasks
end

# File lib/standup_md.rb, line 288
def previous_entry_tasks=(tasks)
  raise 'Must be an Array' unless tasks.is_a?(Array)
  @previous_entry_tasks = tasks
end

# File lib/standup_md.rb, line 373
def sub_header_depth=(depth)
  if !depth.between?(2, 6)
    raise 'Sub-header depth out of bounds (2..6)'
  elsif depth <= header_depth
    raise 'sub_header_depth must be smaller than header_depth'
  end
  @sub_header_depth = depth
end

# File lib/standup_md.rb, line 388
def sub_header_order=(array)
  order = %w[previous current impediments notes]
  raise "Values must be #{order.join{', '}}" unless order.sort == array.sort
  @sub_header_order = array
end

# File lib/standup_md.rb, line 431
def load
  FileUtils.mkdir_p(directory) unless File.directory?(directory)

  @today = Date.today
  @header = today.strftime(header_date_format)
  @file_written = false
  @file = File.expand_path(File.join(directory, today.strftime(file_name_format)))
  @previous_file = get_previous_file
  @all_previous_entries = get_all_previous_entries
  @entry_previously_added = all_previous_entries.key?(header)
  @previous_entry_tasks = previous_entry[current_header]
  @current_entry = @all_previous_entries.delete(header) || new_entry
  @all_entries = {header => current_entry}.merge(all_previous_entries)

  FileUtils.touch(file) unless File.file?(file)
  self
end

# File lib/standup_md.rb, line 457
def new_month?
  file != previous_file
end

# File lib/standup_md.rb, line 401
def sub_header_order
  @sub_header_order.dup
end

# File lib/standup_md.rb, line 409
def write
  File.open(file, 'w') do |f|
    all_entries.each do |head, s_heads|
      f.puts '#' * header_depth + ' ' + head
      sub_header_order.map { |value| "#{value}_header" }.each do |sub_head|
        sh = send(sub_head).capitalize
        next if !s_heads[sh] || s_heads[sh].empty?
        f.puts '#' * sub_header_depth + ' ' + sh
        s_heads[sh].each { |task| f.puts bullet_character + ' ' + task }
      end
      f.puts
      return @file_written = true if new_month?
    end
  end
  @file_written = true
end