#include <cinttypes>

const char create_table[] = "CREATE TABLE IF NOT EXISTS prim_table ( ID INTEGER PRIMARY KEY, USER_ID INTEGER, GEN INTEGER, HASH INTEGER, POS INTEGER, LIKED INTEGER, CHECKED INTEGER);";

const char create_index[] = "CREATE INDEX IF NOT EXISTS idx_usrer_id ON prim_table (USER_ID);";

const char insert_data[] = "INSERT INTO prim_table (USER_ID, GEN, HASH, POS, LIKED, CHECKED) VALUES(?, ?, ?, ?, ?, 0);";

const char max_gen[] = "SELECT MAX(GEN) FROM prim_table WHERE USER_ID = ?;";

const char get_unchecked[] = "SELECT USER_ID FROM prim_table WHERE CHECKED = 0 GROUP BY USER_ID;";

const char get_gen[] = "SELECT HASH, POS, LIKED FROM prim_table WHERE USER_ID = ? AND GEN = ? ORDER BY POS ASC;";

const char remove_gen[] = "DELETE FROM prim_table WHERE USER_ID = ? AND GEN >= ?;";

const char set_checked[] = "UPDATE prim_table SET CHECKED = 1 WHERE USER_ID = ? AND GEN = ?;";

constexpr char DB_NAME[] = "data.db";

struct sqlite3;
struct sqlite3_stmt;

#define SQL_DONE 101
#define SQL_NULL 5

namespace sql
{
  void init();
  void shutdown();
  int open(const char *filename, sqlite3 **ppDb);
  int prepare_v2(sqlite3 *db, const char *zSql, int nByte, sqlite3_stmt **pStmt, const char **pzTail);
  int bind_int64(sqlite3_stmt *pStmt, int column, int64_t value);
  int step(sqlite3_stmt *pStmt);
  int column_count(sqlite3_stmt *pStmt);
  int column_type(sqlite3_stmt *pStmt, int column);
  int64_t column_int64(sqlite3_stmt *pStmt, int column);
  int finalize(sqlite3_stmt *pStmt);
  int reset(sqlite3_stmt *pStmt);
  int close(sqlite3 *db);
  const char *errmsg(sqlite3 *db);
}