/*
** C Scripting Example #1
*/

#define SY__MAIN 1
#include "symbol_set.h"

#include "example1.h"
#include <stdio.h>

COMMAND_SCRIPT(foo, "Generates foo and increments the foo counter"){
  printf("foo, ");
  ctx->foo += 1;
}

COMMAND_SCRIPT(bar, "Generates bar and decrements the foo counter"){
  printf("bar, ");
  ctx->foo -= 1;
}

COMMAND_SCRIPT(baz, 
               "Generates 2 bars if the foo counter is positive, "
               "generates 2 foos if the foo counter is negative, "
               "otherwise generates baz"){
  if (ctx->foo > 0){
    printf("bar, bar, ");
  }
  else if (ctx->foo < 0){
    printf("foo, foo, ");
  }
  else{
    printf("baz, ");
  }
}

int main(void){
  // init sequence
  U32 command_ids[] = {
    SyID(EX1_COMMAND, foo), SyID(EX1_COMMAND, foo), SyID(EX1_COMMAND, baz),
    SyID(EX1_COMMAND, bar), SyID(EX1_COMMAND, baz), SyID(EX1_COMMAND, bar),
    SyID(EX1_COMMAND, foo), SyID(EX1_COMMAND, bar), SyID(EX1_COMMAND, baz),
  };
  
  // display the legend of rules
  printf("RULES:\n");
  for (SyEach(EX1_COMMAND, command)){
    printf("%.*s -> %.*s\n",
           (int)(command->name.size), command->name.str,
           (int)(command->description.size), command->description.str);
  }
  printf("\n");
  
  // display the sequence
  printf("SEQUENCE:\n");
  for (U32 i = 0; i < sizeof(command_ids)/sizeof(command_ids[0]); i += 1){
    U32 id = command_ids[i];
    EX1_Command *command = SyAddressFromID(EX1_COMMAND, id);
    printf("%.*s, ",
           (int)(command->name.size), command->name.str);
  }
  printf("\n\n");
  
  // run the sequence
  printf("OUTPUT:\n");
  {
    EX1_Ctx ctx = {0};
    for (U32 i = 0; i < sizeof(command_ids)/sizeof(command_ids[0]); i += 1){
      U32 id = command_ids[i];
      EX1_Command *command = SyAddressFromID(EX1_COMMAND, id);
      command->hook(&ctx);
    }
  }
  printf("\n\n");
  
  return(0);
}