#include <applicat.h>
#include <automask.h>
#include <defmask.h>
#include <execp.h>
#include <prefix.h>
#include <reprint.h>

#include "ba8400.h"
#include "ba8500.h"

///////////////////////////////////////////////////////////
// Utility
///////////////////////////////////////////////////////////

bool cod2app(const char* tok, TString& app)
{
  if (tok != NULL && isalpha(tok[0]) && isalpha(tok[1]) && atoi(tok+2) > 1000)
  {
    TFilename f;
    f.strncpy(tok, 3);
    f.ext("exe");
    if (!f.custom_path())
      return false;

    app.strncpy(tok, 3);
    app << " -" << char(tok[3]-1);
    return true;
  }
  return false;
}

bool get_xml_attr(const TString& line, const char* attr, TString& value)
{
  TString str; str << ' ' << attr << "=\"";
  const int pos = line.find(str);
  if (pos >= 0)
  {
    const int apicia = line.find('"', pos)+1;
    const int apicic = line.find('"', apicia);
    if (apicic > apicia)
    {
      value = line.sub(apicia, apicic);
      return true;
    }
  }
  return false;
}

bool get_xml_child(const TString& line, const char* tag, TString& value)
{
  TString str; str << '<' << tag << '>';
  const int pos = line.find(str);
  if (pos >= 0)
  {
    const int apicia = line.find('>', pos)+1;
    const int apicic = line.find('<', apicia);
    if (apicic > apicia)
    {
      value = line.sub(apicia, apicic);
      return true;
    }
  }
  return false;
}

bool rep2app(const char* name, TString& app, TString& desc)
{
  app = desc = "";

  TFilename report_name(name);
  report_name.ext("rep");
  if (!report_name.custom_path())
    return false;

  TString stringona;
  TScanner scan(report_name);
  for (int i = 0; i < 3 && scan.good(); i++) // Leggo solo le prime righe
    stringona << scan.line();

  get_xml_child(stringona, "description", desc);

  get_xml_attr(stringona, "command", app);
  if (app.not_empty())
    return true;

  return cod2app(report_name.name(), app);
}

///////////////////////////////////////////////////////////
// TKlarkKent_mask
///////////////////////////////////////////////////////////

class TKlarkKent_mask : public TAutomask
{
protected:
  virtual bool on_field_event(TOperable_field& o, TField_event e, long jolly);

public:
  TKlarkKent_mask() : TAutomask("ba8500a") { }
};

bool TKlarkKent_mask::on_field_event(TOperable_field& o, TField_event e, long jolly)
{
  switch (o.dlg())
  {
  case F_REPORT:
    if (e == fe_button)
    {
      TFilename path;
      if (select_custom_file(path, "rep"))
      {
        o.set(path);
        e = fe_modify;
      }
    }
    if (e == fe_init || e == fe_modify)
    {
      TFilename name = o.get();
      TString app, desc; 
      rep2app(name, app, desc);
      set(F_FORM, desc);
      set(F_DOC, app);
      enable(DLG_PRINT, desc.not_empty());
    }
    break;
  case DLG_EDIT:
    if (e == fe_button && !field(F_REPORT).empty())
    {
      TString str;
      str << "ba8 -2 " << get(F_REPORT);
      TExternal_app app(str);
      app.run(true);
    }
    break;
  default:
    break;
  }
  return true;
}

///////////////////////////////////////////////////////////
// TKlarkKent_app
///////////////////////////////////////////////////////////

TReport* TKlarkKent_app::create_report(const char* name) const
{
  TReport* r = new TReport;
  r->load(name);
  return r;
}

void TKlarkKent_app::main_loop()
{
  TString_array arr;
  for (int i = 2; i < argc(); i++)
    arr.add(argv(i));
  if (arr.items() == 0)
    arr.add(EMPTY_STRING);

  bool can_repeat = false;
  do
  {
    TReport* report = NULL;
    TReport_book book;
    FOR_EACH_ARRAY_ROW(arr, r, row)
    {  
      TFilename report_name = *row;
      report_name.ext("rep");
      if (row->blank() || !report_name.custom_path()) 
      {
        TKlarkKent_mask m;
        m.set(F_REPORT, report_name);
        if (m.run() == K_ENTER)
        {
          report_name = m.get(F_REPORT);
          report_name.ext("rep");
          report_name.custom_path();
          *row = report_name;
        }
      }

      TString appname, desc;
      const bool custom_app = rep2app(report_name, appname, desc);
      if (custom_app)
      {
        appname << ' ' << report_name;
        TExternal_app app(appname);
        app.run(true);
      }
      else
      {
        if (report != NULL)
          delete report;
        report = create_report(report_name); 
        if (report != NULL)
        {
          const bool ok = book.add(*report);
          if (ok && arr.items() == 1)  // Controlla se e' pensabile ripetere la stampa
          {
            TFilename msk = report_name;
            msk.ext("msk");
            can_repeat = msk.custom_path();  // Posso ripetere se ho una maschera collegata
          }
          else
            can_repeat = false;
        }
      }
    } // ciclo sulla lista dei report da stampare

    // L'anteprima funziona bene solo se non si distrugge il report corrente
    if (report != NULL)
    {
      if (book.pages() > 0)
        book.print_or_preview();
      delete report;
      report = NULL;
    }

  } while (can_repeat);
}

int ba8500(int argc, char* argv[])
{     
  TKlarkKent_app app;
  app.run(argc, argv, TR("Stampa Report"));
  return 0;
}