module RubyXL::LegacyWorkbook

# File lib/rubyXL/workbook.rb, line 15
def initialize(worksheets=[], filepath=nil, creator=nil, modifier=nil, created_at=nil,
               company='', application=APPLICATION,
               appversion=APPVERSION, date1904=0)
  super()

  # Order of sheets in the +worksheets+ array corresponds to the order of pages in Excel UI.
  # SheetId's, rId's, etc. are completely unrelated to ordering.
  @worksheets = worksheets
  add_worksheet if @worksheets.empty?

  @creator             = creator
  @modifier            = modifier
  self.date1904        = date1904 > 0

  @theme                    = RubyXL::Theme.defaults
  @shared_strings_container = RubyXL::SharedStringsTable.new
  @stylesheet               = RubyXL::Stylesheet.default
  @relationship_container   = RubyXL::WorkbookRelationships.new
  @root                     = RubyXL::WorkbookRoot.default
  @root.workbook            = self
  @root.filepath            = filepath
  @comments                 = []

  self.company         = company
  self.application     = application
  self.appversion      = appversion

  begin
    @created_at       = DateTime.parse(created_at).strftime('%Y-%m-%dT%TZ')
  rescue
    @created_at       = Time.now.strftime('%Y-%m-%dT%TZ')
  end
  @modified_at        = @created_at
end

# File lib/rubyXL/workbook.rb, line 51
def [](ind)
  case ind
  when Integer then worksheets[ind]
  when String  then worksheets.find { |ws| ws.sheet_name == ind }
  end
end

# File lib/rubyXL/workbook.rb, line 61
def add_worksheet(name = nil)
  if name.nil? then
    n = 0

    begin
      name = SHEET_NAME_TEMPLATE % (n += 1)
    end until self[name].nil?
  end

  new_worksheet = Worksheet.new(:workbook => self, :sheet_name => name)
  worksheets << new_worksheet
  new_worksheet
end

# File lib/rubyXL/workbook.rb, line 199
def borders # Stylesheet should be pre-filled with defaults on initialize()
  stylesheet.borders
end

# File lib/rubyXL/workbook.rb, line 187
def cell_xfs # Stylesheet should be pre-filled with defaults on initialize()
  stylesheet.cell_xfs
end

# File lib/rubyXL/workbook.rb, line 109
def date_to_num(date)
  date && (date.ajd - base_date().ajd).to_f
end

# File lib/rubyXL/workbook.rb, line 75
def each
  worksheets.each{ |i| yield i }
end

# File lib/rubyXL/workbook.rb, line 195
def fills # Stylesheet should be pre-filled with defaults on initialize()
  stylesheet.fills
end

# File lib/rubyXL/workbook.rb, line 191
def fonts # Stylesheet should be pre-filled with defaults on initialize()
  stylesheet.fonts
end

# File lib/rubyXL/workbook.rb, line 117
def get_fill_color(xf)
  fill = fills[xf.fill_id]
  pattern = fill && fill.pattern_fill
  color = pattern && pattern.fg_color
  color && color.rgb || 'ffffff'
end

# File lib/rubyXL/workbook.rb, line 155
def modify_alignment(style_index, is_horizontal, alignment)
  xf = cell_xfs[style_index].dup
  xf.apply_alignment = true
  xf.alignment = RubyXL::Alignment.new(:horizontal => is_horizontal ? alignment : nil, 
                                       :vertical   => is_horizontal ? nil : alignment)
  register_new_xf(xf, style_index)
end

# File lib/rubyXL/workbook.rb, line 172
def modify_border(style_index, direction, weight)
  old_xf = cell_xfs[style_index].dup
  new_border = borders[old_xf.border_id].dup
  new_border.set_edge_style(direction, weight)

  new_xf = old_xf.dup
  new_xf.apply_border = true

  new_xf.border_id = borders.find_index { |x| x == new_border } # Use existing border, if it exists
  new_xf.border_id ||= borders.size # If this border has never existed before, add it to collection.
  borders[new_xf.border_id] = new_border

  register_new_xf(new_xf, style_index)
end

# File lib/rubyXL/workbook.rb, line 163
def modify_fill(style_index, rgb)
  xf = cell_xfs[style_index].dup
  new_fill = RubyXL::Fill.new(:pattern_fill => 
               RubyXL::PatternFill.new(:pattern_type => 'solid',
                                       :fg_color => RubyXL::Color.new(:rgb => rgb)))
  new_xf = register_new_fill(new_fill, xf)
  register_new_xf(new_xf, style_index)
end

# File lib/rubyXL/workbook.rb, line 149
def modify_text_wrap(style_index, wrap = false)
  xf = cell_xfs[style_index].dup
  xf.alignment = RubyXL::Alignment.new(:wrap_text => wrap, :apply_alignment => true)
  register_new_xf(xf, style_index)
end

# File lib/rubyXL/workbook.rb, line 113
def num_to_date(num)
  num && (base_date + num)
end

# File lib/rubyXL/workbook.rb, line 124
def register_new_fill(new_fill, old_xf)
  new_xf = old_xf.dup
  new_xf.apply_fill = true
  new_xf.fill_id = fills.find_index { |x| x == new_fill } # Use existing fill, if it exists
  new_xf.fill_id ||= fills.size # If this fill has never existed before, add it to collection.
  fills[new_xf.fill_id] = new_fill
  new_xf
end

# File lib/rubyXL/workbook.rb, line 133
def register_new_font(new_font, old_xf)
  new_xf = old_xf.dup
  new_xf.apply_font = true
  new_xf.font_id = fonts.find_index { |x| x == new_font } # Use existing font, if it exists
  new_xf.font_id ||= fonts.size # If this font has never existed before, add it to collection.
  fonts[new_xf.font_id] = new_font
  new_xf
end

# File lib/rubyXL/workbook.rb, line 142
def register_new_xf(new_xf, old_style_index)
  new_xf_id = cell_xfs.find_index { |xf| xf == new_xf } # Use existing XF, if it exists
  new_xf_id ||= cell_xfs.size # If this XF has never existed before, add it to collection.
  cell_xfs[new_xf_id] = new_xf
  new_xf_id
end

# File lib/rubyXL/workbook.rb, line 85
def save(filepath = nil)
  filepath ||= root.filepath

  extension = File.extname(filepath)
  unless %w{.xlsx .xlsm}.include?(extension.downcase)
    raise "Unsupported extension: #{extension} (only .xlsx and .xlsm files are supported)."
  end

  File.open(filepath, "w") { |output_file| FileUtils.copy_stream(root.stream, output_file) }

  return filepath
end

# File lib/rubyXL/workbook.rb, line 80
def stream
  root.stream
end