/*
* Andras Belokosztolszki
*
* A trigger function invoked after a new template is created
automatically created from t5_predtype_after
*
*/



#include "executor/spi.h"	/* this is what you need to work with SPI */
#include "commands/trigger.h"	/* -"- and triggers */

#include "utils/array.h"
#include "catalog/pg_type.h"    /* for OID constants */

extern Datum t5_template_trig(PG_FUNCTION_ARGS) ;

Datum t5_template_trig(PG_FUNCTION_ARGS) {
  TriggerData *trigdata = (TriggerData *) fcinfo->context;

  TupleDesc	tupdesc;
  HeapTuple	rettuple;
  Relation      rel;

  Trigger       *trigger;          /* to get trigger name */
  int nargs;   // trigger argument numbers
  char ** args; // trigger arguments

  elog(NOTICE, "hahaha");


  if (!CALLED_AS_TRIGGER(fcinfo))
    elog(ERROR, "TemplateTrigger: not fired by trigger manager");


  /* tuple to return */
  if (TRIGGER_FIRED_BY_INSERT(trigdata->tg_event)) {
    rettuple = trigdata->tg_trigtuple;
  } else { //update ??? for delete
    rettuple = trigdata->tg_trigtuple;
  }

  if (TRIGGER_FIRED_BEFORE(trigdata->tg_event)) {
    elog(ERROR,"TemplateTrigger: Trigger fired before the event");
  }


  trigger = trigdata->tg_trigger;
  nargs = trigger->tgnargs;
  args = trigger->tgargs;

  rel = trigdata->tg_relation;
  tupdesc = trigdata->tg_relation->rd_att;
  trigdata = NULL;


  if(nargs!=1)
    elog(ERROR, "TemlateTrigger: Trigger must have one argument");

  SPI_connect();



  SPI_finish();

  elog(NOTICE, "Template trigger finished");

  return PointerGetDatum(rettuple);
}