problem-15

#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
#include <sys/stat.h>
#include <string.h>

void createDirectory(const char *path) {
    if (mkdir(path, 0755) == -1) {
        perror("mkdir");
    } else {
        printf("Directory created: %s\n", path);
    }
}

void organizeFiles(const char *sourceDir, const char *userDir) {
    struct dirent *entry;
    DIR *dp = opendir(sourceDir);
    if (dp == NULL) {
        perror("opendir");
        return;
    }

    while ((entry = readdir(dp))) {
        if (entry->d_type == DT_REG) { // Regular file
            char newPath[1024], oldPath[1024];
            snprintf(oldPath, sizeof(oldPath), "%s/%s", sourceDir, entry->d_name);
            snprintf(newPath, sizeof(newPath), "%s/%s", userDir, entry->d_name);
            if (rename(oldPath, newPath) == -1) {
                perror("rename");
            } else {
                printf("Moved file %s to %s\n", oldPath, newPath);
            }
        }
    }

    closedir(dp);
}

int main() {
    const char *masterDir = "master_directory";
    const char *users[] = {"user1", "user2", "user3"};
    const int numUsers = sizeof(users) / sizeof(users[0]);

    // Create master directory
    createDirectory(masterDir);

    // Create user directories and organize files
    for (int i = 0; i < numUsers; ++i) {
        char userDir[1024];
        snprintf(userDir, sizeof(userDir), "%s/%s", masterDir, users[i]);
        createDirectory(userDir);

        // Here we organize files for each user. For simplicity, we use the same source directory.
        // In a real scenario, you would have separate source directories for each user.
        const char *sourceDir = "."; // Current directory
        organizeFiles(sourceDir, userDir);
    }

    return 0;
}