#include <stdio.h>
#include <readline.h>
#include <history.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>

#ifndef HIST_FILE
#define HIST_FILE "mihuq"
#endif

//       char *getcwd(char *buf, size_t size);
//       char *get_current_dir_name(void);
//       char *getwd(char *buf);
//       char *readline (prompt)
//       int chdir(const char *path);

char *reply;
char *reply2;

main(int argc, char **argv) {
  strcpy(argv[0], "..sSSsSsHuDdErr!!");
  printf("heh, a shell!\n");
  do {
    printf("%s" , get_current_dir_name());
    reply = readline("> ");
    if (strcmp(reply, "cd") == 0) {
      if (chdir(readline("change to dir: ")) != 0)
        printf("cannot change to that dir!\n");
    } else if (strcmp(reply, "..") == 0) {
      chdir("..");
    } else if (strcmp(reply, "save") == 0) {
      write_history(HIST_FILE);
    } else if (strcmp(reply, "read") == 0) {
      read_history(HIST_FILE);
    } else if (reply) {
//      printf("first: %s, second: %s\n", reply[1], reply[2]);
//      printf("%s\n", reply);
      system(reply);
    }
  } while (strcmp(reply, "exit") != 0);

  return 0;
}