#include <debugconsole.h>
#include <process.h>
#include <status.h>
#include <strconv.h>
#include <string.h>
#include <system.h>

void app_main(void) {
  char commandbuf[32];
  memset(commandbuf, 0, sizeof(commandbuf));
  char payloadbuf[32];
  memset(payloadbuf, 0, sizeof(payloadbuf));
  char procgroupbuf[32];
  memset(procgroupbuf, 0, sizeof(procgroupbuf));

  if (env_get(process_get_pgid(), "C", (void*)commandbuf, sizeof(commandbuf)) != ST_OK) {
    return;
  }

  if (strcmp(commandbuf, "recv") == 0) {
    char recv_buffer[1024];

    for (;;) {
      debug_printf("Waiting...\n");
      memset(recv_buffer, 0, sizeof(recv_buffer));
      mail_receive(recv_buffer, sizeof(recv_buffer));

      debug_printf("Recv: %s\n", recv_buffer);
    }
  } else if (strcmp(commandbuf, "send") == 0) {
    if (env_get(process_get_pgid(), "payload", (void*)payloadbuf, sizeof(payloadbuf)) != ST_OK) {
      return;
    }

    if (env_get(process_get_pgid(), "pg", (void*)procgroupbuf, sizeof(procgroupbuf)) != ST_OK) {
      return;
    }

    int pgid = str_to_uint32(procgroupbuf);

    debug_printf("sending %s to PG %s (%d)\n", payloadbuf, procgroupbuf, pgid);

    mail_send(pgid, payloadbuf, sizeof(payloadbuf));
  }
}