#include <applicat.h>
#include <automask.h>
#include <defmask.h>
#include <execp.h>
#include <form.h>
#include <prefix.h>
#include <report.h>

#include "ba8400.h"

///////////////////////////////////////////////////////////
// TFormer_mask
///////////////////////////////////////////////////////////

class TFormer_mask : public TAutomask
{
  bool _doc;

protected:
  virtual bool on_field_event(TOperable_field& o, TField_event e, long jolly);

  void parse_field_line(const TString& line, TReport_field& rf) const;
  void import_section(TScanner& scan, TReport_section& rs) const;
  void import_sections(TScanner& scan, TReport& rep) const;
  void import_use(TScanner& scan, TReport& rep) const;
  void import();

public:
  TFormer_mask();
};

void TFormer_mask::import_use(TScanner& scan, TReport& rep) const
{
  TString use;
  int parse_use = 0;
  while (scan.ok())
  {
    const TString& line = scan.line();
    if (line.empty())
      break;
    
    if (parse_use == 0 && line.starts_with("US"))
      parse_use = 1;
    
    if (parse_use == 1)
    {
      if (line.starts_with("EN"))
      {
        parse_use = 2;
        break;
      }
      else
        use << line << '\n';
    }
  }

  if (!use.blank())
  {
    if (_doc)
    {
      int pos = use.find(" 33");
      if (pos >= 0 && pos < 10)
        use.overwrite("4", pos+2);
      pos = use.find("JOIN 34");
      if (pos >= 0)
        use.overwrite("3", pos+6);
    }
    rep.set_recordset(use);
  }
}

void TFormer_mask::parse_field_line(const TString& line, TReport_field& rf) const
{
  TToken_string head(line, ' ');
  head.trim();
  head.strip_d_spaces();

  if (head.starts_with("FI"))
  {
    TString fld = head.get(1);
    if (_doc)
    {
      if (fld.find("->") < 0)
        fld.insert("33->");
    }
    rf.set_field(fld);
  } else
  if (head.starts_with("FL"))
  {
    const TString& flags = head.get(1);
    for (int i = 0; flags[i]; i++)
    {
      switch (flags[i])
      {
      case 'D': rf.hide(); rf.deactivate(); break;
      case 'H': rf.hide(); break;
      case 'U': 
        if (rf.type() == 'V') 
          rf.set_type('P');    // Trasforma da Valuta a Prezzo
        break;
      default: break;
      }
    }
  } else
  if (head.starts_with("ME"))
  {
    head.add("MESSAGE", 0);
    TString me = rf.prescript();
    me << head << '\n';
    rf.set_prescript(head);
  } else
  if (head.starts_with("PR"))
  {
    const int x = 100*(head.get_int(1)-1);
    const int y = 100*(head.get_int()-1);
    rf.set_pos(x, y);
    if (rf.type() == 'I')
      rf.set_field(head.get());
  }
}

void TFormer_mask::import_section(TScanner& scan, TReport_section& rs) const
{
  TToken_string head(256, ' ');
  
  int in_field = 0;
  TReport_field* cur_field = NULL;

  while (scan.ok())
  {
    TString& line = scan.line();
    if (line.empty())
      break;

    if (line.starts_with("BE"))
    {
      in_field++;
      if (in_field == 1)
      {
        head.trim();
        head.strip_d_spaces();
        const TString16 str_type = head.get(0);
        char type = ' ';
        if (str_type.starts_with("FI"))
          type = 'I'; 
        else
          type = str_type[0];

        if (type > ' ')
        {
          const int id = head.get_int(1);
          const int width = 100*head.get_int();
          const int height = 100*head.get_int();

          cur_field = new TReport_field(&rs);
          cur_field->set_type(type);
          if (id > 0) 
            cur_field->set_id(id);
          if (width > 0) 
            cur_field->set_width(width);
          if (height > 0) 
          {
            if (_doc && type == 'S' && height >= 5 && rs.type() == 'B')
              cur_field->set_height(0);
            else
              cur_field->set_height(height);
          }
          if (strchr("NVP", type) != NULL)
            cur_field->set_horizontal_alignment('R');

          rs.add(cur_field);
        }
      }
    } else
    if (line.starts_with("EN"))
    {
      if (in_field >= 0)
      {
        in_field--; // END of field
        cur_field = NULL;
      }
      if (in_field < 0)
        break;            // END of section
    } else
    if (cur_field != NULL)
    {
      parse_field_line(line, *cur_field);
    }
    
    head = line;
  }
}

void TFormer_mask::import_sections(TScanner& scan, TReport& rep) const
{
  while (scan.ok())
  {
    TString& line = scan.line();
    if (line.empty())
      break;
    
    if (line.starts_with("SE"))
    {
      line.trim();
      line.strip_d_spaces();
      TToken_string head(line, ' ');
      const TString16 str_name = head.get(1);
      const TString16 str_type = head.get();
      int height = 100*head.get_int();
      char type = ' ';
      int level = 0;
      if (str_name.starts_with("BO"))
      {
        if (str_type.starts_with("OD"))
        { type = 'B'; level = 1; height = 0; }
      }
      if (str_name.starts_with("FO"))
      {
        if (str_type.starts_with("LA"))
        { type = 'F'; level = 1; }
        if (str_type.starts_with("OD"))
        { type = 'F'; level = 0; }
      } else
      if (str_name.starts_with("GR"))
      {
        if (str_type.starts_with("OD"))
        { type = 'B'; level = 0; }
      } else
      if (str_name.starts_with("HE"))
      {
        if (str_type.starts_with("FI"))
        { type = 'H'; level = 1; }
        if (str_type.starts_with("OD"))
        { type = 'H'; level = 0; }
      }
      if (type > ' ')
      {
        TReport_section& cur_sec = rep.section(type, level);
        if (height >= 0)
          cur_sec.set_height(height);
        else
        {
          if (type == 'F')
          {
            const TPoint abolute_footer_pos(0, -height);
            cur_sec.set_pos(abolute_footer_pos);
          }
        }
        import_section(scan, cur_sec);
      }
    }
  }

  const char* hf = "HF";
  for (int i = 0; hf[i]; i++)
  {
    TReport_section* sec = rep.find_section(hf[i], 0);
    if (sec != NULL)
    {
      const bool yes = rep.find_section(hf[i], 1) != NULL;
      sec->hide_if_needed(yes);
    }
  }
}

void TFormer_mask::import()
{
  _doc = get_bool(F_DOC);
  TScanner scan(get(F_FORM));
  TReport rep;
  import_use(scan, rep);
  import_sections(scan, rep);
  if (_doc)
    rep.set_libraries("ve1100.alx");
  rep.save(get(F_REPORT));
}

bool TFormer_mask::on_field_event(TOperable_field& o, TField_event e, long jolly)
{
  switch (o.dlg())
  {
  case F_FORM:
    if (e == fe_modify)
    {
      TFilename output = get(F_REPORT);
      TFilename path = output.path();
      if (path.empty())
      {
        path = firm2dir(-1);
        path.add("custom");
      }
      const TFilename input = o.get();
      output = path;
      output.add(input.name());
      output.ext("rep");
      output.lower();
      set(F_REPORT, output);
      enable(DLG_ELABORA, input.exist());
    }
    break;
  case F_REPORT:
    if (e == fe_modify)
    {
      const TFilename output = get(F_REPORT);
      enable(DLG_PRINT, output.exist());
    }
    break;
  case DLG_ELABORA:
    if (e == fe_button)
    {
      const TFilename output = get(F_REPORT);
      if (output.exist())
      {
        if (!yesno_box(TR("Il file %s esiste gia':\nSi desidera sovrascriverlo?"), (const char*)output))
          return false;
      }
      import();
      enable(DLG_PRINT, output.exist());
    }
    break;
  case DLG_PRINT:
    if (e == fe_button)
    {
      const TFilename output = get(F_REPORT);
      if (output.exist())
      {
        TString cmd;
        cmd << "ba8 -2 " << output;
        TExternal_app app(cmd);
        app.run();
        return false; // Altrimenti esce dalla maschera
      }
      else
        return error_box(TR("Il file %s non esiste"), (const char*)output);
    }
    break;
  default: 
    break;
  }
  return true;
}

TFormer_mask::TFormer_mask() : TAutomask("ba8400a")
{
}

///////////////////////////////////////////////////////////
// TFormer_app 
///////////////////////////////////////////////////////////

class TFormer_app : public TSkeleton_application
{
protected:
  virtual void main_loop();
};

void TFormer_app::main_loop()
{
  TFormer_mask m;
  m.run();
}

int ba8400(int argc, char* argv[])
{     
  TFormer_app app;
  app.run(argc, argv, TR("Form Converter"));
  return 0;
}