#include "database.h"
#include "sql.h"
#include "user.h"

bool db_delete_user(const int id) {
  pthread_mutex_lock(&db_mutex);
  if (!db) {
    fprintf(stderr, "Database not initialized\n");
    pthread_mutex_unlock(&db_mutex);
    return false;
  }
  sqlite3_stmt *stmt;
  int rc;

  rc = sqlite3_prepare_v2(db, DELETE_USER_SQL, -1, &stmt, 0);
  if (rc != SQLITE_OK) {
    fprintf(stderr, "Failed to prepare statement: %s\n", sqlite3_errmsg(db));
    pthread_mutex_unlock(&db_mutex);
    return false;
  }

  sqlite3_bind_int(stmt, 1, id);

  rc = sqlite3_step(stmt);
  if (rc != SQLITE_DONE) {
    fprintf(stderr, "Execution failed: %s\n", sqlite3_errmsg(db));
    sqlite3_finalize(stmt);
    pthread_mutex_unlock(&db_mutex);
    return false;
  }

  int changes = sqlite3_changes(db);
  sqlite3_finalize(stmt);

  if (changes > 0) {
    printf("User deleted successfully. ID: %d\n", id);
  } else {
    printf("No user found with ID: %d\n", id);
    return false;
  }

  pthread_mutex_unlock(&db_mutex);
  return true;
}