class Xlsxrb::Ooxml::WorksheetWriter

# File lib/xlsxrb/ooxml/worksheet_writer.rb, line 29
def initialize(io)
  @io = io
  @builder = XmlBuilder.new(@io)
  @row_buffer = String.new(capacity: 65_536)
  @started = false
  @finished = false
end

# File lib/xlsxrb/ooxml/worksheet_writer.rb, line 548
def finish(drawing_rid: nil, sheet_protection: nil, auto_filter: nil,
           filter_columns: nil, sort_state: nil, merge_cells: nil,
           conditional_formats: nil, data_validations: nil,
           hyperlinks: nil, print_options: nil, page_margins: nil,
           page_setup: nil, header_footer: nil, row_breaks: nil,
           col_breaks: nil, tables: nil, table_start_rid: nil,
           legacy_drawing_rid: nil, sparkline_groups: nil)
  return if @finished

  start unless @started
  @finished = true
  if @row_buffer && !@row_buffer.empty?
    @io.write(@row_buffer)
    @row_buffer.clear
  end
  @builder.close_tag("sheetData")

  # Elements must appear in OOXML specification order after sheetData
  write_sheet_protection(sheet_protection) if sheet_protection
  write_auto_filter(auto_filter, filter_columns, sort_state) if auto_filter
  write_merge_cells(merge_cells) if merge_cells && !merge_cells.empty?
  write_conditional_formatting(conditional_formats) if conditional_formats && !conditional_formats.empty?
  write_data_validations(data_validations) if data_validations && !data_validations.empty?
  write_hyperlinks(hyperlinks) if hyperlinks && !hyperlinks.empty?
  write_print_options(print_options) if print_options && !print_options.empty?
  write_page_margins(page_margins) if page_margins
  write_page_setup(page_setup) if page_setup && !page_setup.empty?
  write_header_footer(header_footer) if header_footer && !header_footer.empty?
  write_row_breaks(row_breaks) if row_breaks && !row_breaks.empty?
  write_col_breaks(col_breaks) if col_breaks && !col_breaks.empty?
  @builder.empty_tag("drawing", { "r:id": drawing_rid }) if drawing_rid
  @builder.empty_tag("legacyDrawing", { "r:id": legacy_drawing_rid }) if legacy_drawing_rid
  write_table_parts(tables, table_start_rid) if tables && !tables.empty?
  write_sparklines(sparkline_groups) if sparkline_groups && !sparkline_groups.empty?
  @builder.close_tag("worksheet")
end

# File lib/xlsxrb/ooxml/worksheet_writer.rb, line 44
def start(columns: [], sheet_properties: nil, freeze_pane: nil, split_pane: nil, selection: nil, sheet_view: nil)
  return if @started

  @started = true
  @builder.declaration
  @builder.open_tag("worksheet", { xmlns: SSML_NS, "xmlns:r": DOC_REL_NS })

  write_sheet_properties(sheet_properties) if sheet_properties && !sheet_properties.empty?
  write_sheet_views(freeze_pane: freeze_pane, split_pane: split_pane, selection: selection, sheet_view: sheet_view) if freeze_pane || split_pane || selection || (sheet_view && !sheet_view.empty?)
  write_columns(columns) unless columns.empty?

  @builder.open_tag("sheetData")
end

# File lib/xlsxrb/ooxml/worksheet_writer.rb, line 59
def write_row(row_index, cells, attrs: {}, unmapped: [], sst_index: nil)
  start unless @started

  row_num = row_index + 1
  row_num_str = row_num.to_s
  buf = @row_buffer ||= String.new(capacity: 65_536)
  buf << '<row r="' << row_num_str << '"'
  if attrs[:height]
    buf << ' ht="' << attrs[:height].to_s << '" customHeight="1"'
  elsif attrs[:custom_height]
    buf << ' customHeight="1"'
  end
  buf << ' hidden="1"' if attrs[:hidden]
  buf << ' outlineLevel="' << attrs[:outline_level].to_s << '"' if attrs[:outline_level]
  buf << ">"

  cells.each do |cell|
    if cell.is_a?(Elements::Cell)
      value = cell.value
      style_id = cell.style_index
      col_ref = cell.ref || "#{column_letter(cell.column_index)}#{row_num_str}"
      formula = cell.formula
      formula_ca = false
      cell_type_val = nil
    elsif cell.is_a?(Hash)
      value = cell[:value]
      style_id = cell[:style_index]
      col_ref = cell[:ref] || "#{column_letter(cell[:column_index])}#{row_num_str}"
      formula = cell[:formula]
      formula_ca = cell[:formula_ca]
      cell_type_val = cell[:type]
    else
      value = cell
      style_id = nil
      col_ref = nil
      formula = nil
      formula_ca = false
      cell_type_val = nil
    end

    # Fast path for common unstyled cells
    if !formula && !style_id && !cell_type_val
      case value
      when Integer, Float
        buf << '<c r="' << col_ref << '"><v>' << value.to_s << "</v></c>"
        next
      when String
        if !value.start_with?("=") && sst_index && (idx = sst_index[value])
          buf << '<c r="' << col_ref << '" t="s"><v>' << idx.to_s << "</v></c>"
          next
        end
      when true
        buf << '<c r="' << col_ref << '" t="b"><v>1</v></c>'
        next
      when false
        buf << '<c r="' << col_ref << '" t="b"><v>0</v></c>'
        next
      when nil
        buf << '<c r="' << col_ref << '"/>'
        next
      when Date
        serial = Xlsxrb::Ooxml::Utils.date_to_serial(value)
        buf << '<c r="' << col_ref << '"><v>' << serial.to_s << "</v></c>"
        next
      end
    end

    if value.nil? && formula.nil?
      buf << '<c r="' << col_ref << '"'
      buf << ' s="' << style_id.to_s << '"' if style_id
      buf << "/>"
      next
    end

    if value.is_a?(String) && value.start_with?("=") && !formula
      formula = value
      value = nil
    end

    xml_val = value
    type = cell_type_val
    formula_expr = nil

    if formula
      if formula.is_a?(Xlsxrb::Elements::Formula)
        formula_expr = formula.expression
        formula_ca = formula.calculate_always
        xml_val = formula.cached_value || value || nil
      else
        formula_expr = formula
        xml_val = value || nil
      end
      formula_expr = formula_expr[1..] if formula_expr.start_with?("=")
    end

    if !formula_expr && !type
      case value
      when String
        if sst_index && (idx = sst_index[value])
          xml_val = idx
          type = "s"
        else
          type = "inlineStr"
        end
      when Xlsxrb::Elements::RichText
        if sst_index && (idx = sst_index[value])
          xml_val = idx
          type = "s"
        else
          type = "inlineStr"
          xml_val = value
        end
      when true
        xml_val = "1"
        type = "b"
      when false
        xml_val = "0"
        type = "b"
      when Date
        xml_val = Xlsxrb::Ooxml::Utils.date_to_serial(value)
      when Time
        xml_val = Xlsxrb::Ooxml::Utils.datetime_to_serial(value)
      when BigDecimal
        xml_val = value.to_s("F")
      when Xlsxrb::Elements::CellError
        xml_val = value.code
        type = "e"
      end
    end

    buf << '<c r="' << col_ref << '"'
    buf << ' s="' << style_id.to_s << '"' if style_id
    buf << ' t="' << type << '"' if type

    if type == "inlineStr"
      if xml_val.is_a?(Xlsxrb::Elements::RichText)
        buf << "><is>"
        xml_val.runs.each do |run|
          font = run[:font]
          if font && !font.empty?
            buf << "<r><rPr>"
            buf << "<b/>" if font[:bold]
            buf << "<i/>" if font[:italic]
            buf << "<strike/>" if font[:strike]
            if font[:underline]
              if font[:underline] == true
                buf << "<u/>"
              else
                buf << '<u val="' << font[:underline].to_s << '"/>'
              end
            end
            buf << '<vertAlign val="' << font[:vert_align].to_s << '"/>' if font[:vert_align]
            buf << '<sz val="' << font[:sz].to_s << '"/>' if font[:sz]
            if font[:color]
              buf << '<color rgb="' << font[:color].to_s << '"/>'
            elsif font[:theme]
              tint_attr = font[:tint] ? " tint=\"#{font[:tint]}\"" : ""
              buf << '<color theme="' << font[:theme].to_s << '"' << tint_attr << "/>"
            end
            buf << '<rFont val="' << escape_xml(font[:name]) << '"/>' if font[:name]
            buf << '<family val="' << font[:family].to_s << '"/>' if font[:family]
            buf << '<scheme val="' << font[:scheme].to_s << '"/>' if font[:scheme]
            buf << "</rPr><t>"
          else
            buf << "<r><t>"
          end
          buf << escape_xml(run[:text]) << "</t></r>"
        end
        buf << "</is></c>"
      else
        buf << "><is><t>" << escape_xml(xml_val.to_s) << "</t></is></c>"
      end
    elsif formula_expr
      buf << if formula_ca
               '><f ca="1">'
             else
               "><f>"
             end
      buf << escape_xml(formula_expr) << "</f>"
      if xml_val
        buf << "<v>" << xml_val.to_s << "</v></c>"
      else
        buf << "</c>"
      end
    else
      buf << "><v>" << xml_val.to_s << "</v></c>"
    end
  end

  buf << "</row>"
  if buf.bytesize >= 32_768
    @io.write(buf)
    buf.clear
  end

  unmapped.each { |node| @builder.write_unmapped(node) }
end

# File lib/xlsxrb/ooxml/worksheet_writer.rb, line 258
def write_row_values(row_index, values, styles: nil, style_map: nil, sst: nil, sst_index: nil, attrs: nil)
  start unless @started

  row_num = row_index + 1
  row_num_str = row_num < 65_536 ? INTEGER_STRINGS[row_num] : row_num.to_s
  buf = @row_buffer ||= String.new(capacity: 65_536)

  if styles.nil? && attrs.nil?
    buf << "<row r=\"#{row_num_str}\">"
    col_index = 0
    max_len = values.length
    while col_index < max_len
      value = values[col_index]
      col_ref = COLUMN_LETTERS[col_index] || column_letter(col_index)
      col_index += 1

      next if value.nil?

      case value
      when Integer
        val_str = value >= 0 && value < 65_536 ? INTEGER_STRINGS[value] : value.to_s
        buf << "<c r=\"#{col_ref}#{row_num_str}\"><v>#{val_str}</v></c>"
      when Float
        buf << "<c r=\"#{col_ref}#{row_num_str}\"><v>#{value}</v></c>"
      when String
        unless value.start_with?("=")
          raise ArgumentError, "Cell text length #{value.length} exceeds Excel limit of 32,767 characters" if @strict_excel_mode && value.length > 32_767

          idx = (sst_index[value] ||= begin
            sst << value
            sst.size - 1
          end)
          idx_str = idx < 65_536 ? INTEGER_STRINGS[idx] : idx.to_s
          buf << "<c r=\"#{col_ref}#{row_num_str}\" t=\"s\"><v>#{idx_str}</v></c>"
          next
        end
        formula_expr = value[1..]
        buf << "<c r=\"#{col_ref}#{row_num_str}\"><f>#{escape_xml(formula_expr)}</f></c>"
      when true
        buf << "<c r=\"#{col_ref}#{row_num_str}\" t=\"b\"><v>1</v></c>"
      when false
        buf << "<c r=\"#{col_ref}#{row_num_str}\" t=\"b\"><v>0</v></c>"
      when Date
        date_style_id = style_map ? style_map["__xlsxrb_date"] : nil
        buf << if date_style_id
                 "<c r=\"#{col_ref}#{row_num_str}\" s=\"#{date_style_id}\"><v>#{Xlsxrb::Ooxml::Utils.date_to_serial(value)}</v></c>"
               else
                 "<c r=\"#{col_ref}#{row_num_str}\"><v>#{Xlsxrb::Ooxml::Utils.date_to_serial(value)}</v></c>"
               end
      when Time
        time_style_id = style_map ? style_map["__xlsxrb_time"] : nil
        buf << if time_style_id
                 "<c r=\"#{col_ref}#{row_num_str}\" s=\"#{time_style_id}\"><v>#{Xlsxrb::Ooxml::Utils.datetime_to_serial(value)}</v></c>"
               else
                 "<c r=\"#{col_ref}#{row_num_str}\"><v>#{Xlsxrb::Ooxml::Utils.datetime_to_serial(value)}</v></c>"
               end
      when Xlsxrb::Elements::Formula
        formula_expr = value.expression
        formula_expr = formula_expr[1..] if formula_expr.start_with?("=")
        buf << if value.cached_value
                 "<c r=\"#{col_ref}#{row_num_str}\"><f>#{escape_xml(formula_expr)}</f><v>#{value.cached_value}</v></c>"
               else
                 "<c r=\"#{col_ref}#{row_num_str}\"><f>#{escape_xml(formula_expr)}</f></c>"
               end
      when Hash
        if value.key?(:formula)
          formula_expr = value[:formula]
          formula_expr = formula_expr[1..] if formula_expr.start_with?("=")
          xml_val = value[:value]
          buf << if xml_val
                   "<c r=\"#{col_ref}#{row_num_str}\"><f>#{escape_xml(formula_expr)}</f><v>#{xml_val}</v></c>"
                 else
                   "<c r=\"#{col_ref}#{row_num_str}\"><f>#{escape_xml(formula_expr)}</f></c>"
                 end
        end
      when Xlsxrb::Elements::CellError
        buf << "<c r=\"#{col_ref}#{row_num_str}\" t=\"e\"><v>#{value.code}</v></c>"
      when BigDecimal
        buf << "<c r=\"#{col_ref}#{row_num_str}\"><v>#{value.to_s("F")}</v></c>"
      else
        idx = (sst_index[value] ||= begin
          sst << value
          sst.size - 1
        end)
        idx_str = idx < 65_536 ? INTEGER_STRINGS[idx] : idx.to_s
        buf << "<c r=\"#{col_ref}#{row_num_str}\" t=\"s\"><v>#{idx_str}</v></c>"
      end
    end

    buf << "</row>"
    return unless buf.bytesize >= 32_768

    @io.write(buf)
    buf.clear
    return
  end

  is_styles_collection = styles && (styles.is_a?(Array) || styles.is_a?(Hash))
  single_style_id = nil
  single_style_id = style_map[styles] if styles && style_map && !is_styles_collection

  buf << '<row r="' << row_num_str << '"'
  if attrs
    buf << ' ht="' << attrs[:height].to_s << '" customHeight="1"' if attrs[:height]
    buf << ' hidden="1"' if attrs[:hidden]
    buf << ' outlineLevel="' << attrs[:outline_level].to_s << '"' if attrs[:outline_level]
  end
  buf << ">"

  max_len = values.length
  if is_styles_collection
    styles_len = styles.is_a?(Array) ? styles.length : (styles.keys.max || -1) + 1
    max_len = [max_len, styles_len].max
  end

  col_index = 0
  while col_index < max_len
    value = col_index < values.length ? values[col_index] : nil
    style_id = single_style_id
    if is_styles_collection && style_map
      style_name = if styles.is_a?(Array)
                     col_index < styles.length ? styles[col_index] : nil
                   else
                     styles[col_index]
                   end
      style_id = style_map[style_name] if style_name
    end

    col_ref = COLUMN_LETTERS[col_index] || column_letter(col_index)

    if value.nil?
      buf << '<c r="' << col_ref << row_num_str << '" s="' << style_id.to_s << '"/>' if style_id
      col_index += 1
      next
    end

    # Fast path: unstyled numbers, booleans, and simple strings (majority of cells)
    if style_id.nil? && !value.is_a?(Xlsxrb::Elements::Formula) && !value.is_a?(Hash)
      case value
      when Integer
        val_str = INTEGER_STRINGS[value] || value.to_s
        buf << '<c r="' << col_ref << row_num_str << '"><v>' << val_str << "</v></c>"
        col_index += 1
        next
      when Float
        buf << '<c r="' << col_ref << row_num_str << '"><v>' << value.to_s << "</v></c>"
        col_index += 1
        next
      when String
        unless value.start_with?("=")
          idx = sst_index[value]
          unless idx
            sst << value
            idx = sst.size - 1
            sst_index[value] = idx
          end
          idx_str = INTEGER_STRINGS[idx] || idx.to_s
          buf << '<c r="' << col_ref << row_num_str << '" t="s"><v>' << idx_str << "</v></c>"
          col_index += 1
          next
        end
      when true
        buf << '<c r="' << col_ref << row_num_str << '" t="b"><v>1</v></c>'
        col_index += 1
        next
      when false
        buf << '<c r="' << col_ref << row_num_str << '" t="b"><v>0</v></c>'
        col_index += 1
        next
      when Date
        buf << '<c r="' << col_ref << row_num_str << '"><v>' << Xlsxrb::Ooxml::Utils.date_to_serial(value).to_s << "</v></c>"
        col_index += 1
        next
      when Time
        buf << '<c r="' << col_ref << row_num_str << '"><v>' << Xlsxrb::Ooxml::Utils.datetime_to_serial(value).to_s << "</v></c>"
        col_index += 1
        next
      end
    end

    # General path: styled, formula, rich text, or complex cell
    formula_expr = nil
    formula_ca = false
    xml_val = value
    type = nil

    case value
    when Xlsxrb::Elements::Formula
      formula_expr = value.expression
      formula_ca = value.calculate_always
      xml_val = value.cached_value
      case value.cached_value
      when String
        type = "str"
      when true
        type = "b"
        xml_val = "1"
      when false
        type = "b"
        xml_val = "0"
      end
    when Hash
      if value.key?(:formula)
        formula_expr = value[:formula]
        formula_ca = value[:calculate_always] || false
        xml_val = value[:value]
        case xml_val
        when String
          type = "str"
        when true
          type = "b"
          xml_val = "1"
        when false
          type = "b"
          xml_val = "0"
        end
      end
    when String
      if value.start_with?("=") && value.length > 1
        formula_expr = value
        xml_val = nil
      else
        idx = sst_index[value]
        unless idx
          sst << value
          idx = sst.size - 1
          sst_index[value] = idx
        end
        xml_val = idx
        type = "s"
      end
    when Xlsxrb::Elements::RichText
      idx = sst_index[value]
      unless idx
        sst << value
        idx = sst.size - 1
        sst_index[value] = idx
      end
      xml_val = idx
      type = "s"
    when true
      xml_val = "1"
      type = "b"
    when false
      xml_val = "0"
      type = "b"
    when Date
      xml_val = Xlsxrb::Ooxml::Utils.date_to_serial(value)
    when Time
      xml_val = Xlsxrb::Ooxml::Utils.datetime_to_serial(value)
    when BigDecimal
      xml_val = value.to_s("F")
    when Xlsxrb::Elements::CellError
      xml_val = value.code
      type = "e"
    end

    formula_expr = formula_expr[1..] if formula_expr&.start_with?("=")

    buf << '<c r="' << col_ref << row_num_str << '"'
    buf << ' s="' << style_id.to_s << '"' if style_id
    buf << ' t="' << type << '"' if type
    if formula_expr
      buf << if formula_ca
               '><f ca="1">'
             else
               "><f>"
             end
      buf << escape_xml(formula_expr) << "</f>"
      if xml_val
        buf << "<v>" << xml_val.to_s << "</v></c>"
      else
        buf << "</c>"
      end
    else
      buf << "><v>" << xml_val.to_s << "</v></c>"
    end

    col_index += 1
  end

  buf << "</row>"
  return unless buf.bytesize >= 32_768

  @io.write(buf)
  buf.clear
end