// bql_constants.h
// Pure #define style — no enums, no indexed arrays
// Binary Query Language constants — C version

#ifndef BQL_CONSTANTS_H
#define BQL_CONSTANTS_H

/* DEFAULTS & GENERAL LIMITS */
#define DEFAULT_RECORD_FILENAME     "default.rec"
#define DEFAULT_RECORD_TYPE         "account"
#define MAX_RECORD_TYPES            255
#define MAX_RECORDS                 1024
#define DATA_SUFFIX                 ".dat"

/* DATABASE / RECORD FEATURE FLAGS */
#define DB_MONOLITHIC               0x00000001UL
#define DB_RAM_RECORD               0x00000002UL
#define DB_FILE_JOURNAL             0x00000004UL
#define DB_TIMESTAMP                0x00000008UL
#define RECORD_JOINED               0x00000010UL
#define RECORD_BACKUP               0x00000020UL
#define RECORD_TIMEOUT              0x00000040UL

/* 8-BIT COMMAND / QUERY BITS */
#define BQL_GET                     0x01
#define BQL_PUT                     0xFE            /* ~BQL_GET */
#define BQL_ALL                     0x02
#define BQL_GT                      0x04
#define BQL_LT                      0x08
#define BQL_EQU                     0x10
#define BQL_ORDER_BY1               0x20            /* 0=name 1=date */
#define BQL_ORDER_BY2               0x40            /* 2=size 3=type */
#define BQL_EXTENDED_ENABLE         0x80

/* EXTENDED / ALTERNATE COMMANDS */
#define BQL_JOIN                    0x0001
#define BQL_SPLIT                   0x0002

/* BRANCH / INDEX BLOCK SIZE CODING */
#define BRANCH_8                    0x01            /* 256 entries  → 1 byte */
#define BRANCH_16                   0x02            /* 64 Ki      → 2 byte */
#define BRANCH_24                   0x03            /* 16 Mi      → 3 byte */
#define BRANCH_32                   0x04            /* 4 Gi       → 4 byte */

/* SERIALIZATION / TYPE ENCODING */
#define EXTERNALIZER_BUFFER_SIZE    (512UL * 1024UL)
#define INTERNALIZER_BUFFER_SIZE    (512UL * 1024UL)

#define ENCRYPTION_ENA              0x80
#define ADDRESSING_MASK             0x60
#define ADDRESS_SHIFT               5

#define BYTE_ADDRESSING             (0x00 << ADDRESS_SHIFT)
#define SHORT_ADDRESSING            (0x01 << ADDRESS_SHIFT)
#define INT_ADDRESSING              (0x02 << ADDRESS_SHIFT)
#define LONG_ADDRESSING             (0x03 << ADDRESS_SHIFT)

#define TYPE_MASK                   0x1F
#define ADDRESS_MASK                0xE0

#define TYPE_BYTE                   0
#define TYPE_SHORT                  1
#define TYPE_CHAR                   2
#define TYPE_INT                    3
#define TYPE_LONG                   4
#define TYPE_FLOAT                  5
#define TYPE_DOUBLE                 6
#define TYPE_OBJECT                 7
#define TYPE_BYTE_ARRAY             8
#define TYPE_SHORT_ARRAY            9
#define TYPE_CHAR_ARRAY             10
#define TYPE_INT_ARRAY              11
#define TYPE_LONG_ARRAY             12
#define TYPE_FLOAT_ARRAY            13
#define TYPE_DOUBLE_ARRAY           14
#define TYPE_OBJECT_ARRAY           15
#define TYPE_BYTE_2D_ARRAY          16
#define TYPE_SHORT_2D_ARRAY         17
#define TYPE_CHAR_2D_ARRAY          18
#define TYPE_INT_2D_ARRAY           19
#define TYPE_LONG_2D_ARRAY          20
#define TYPE_FLOAT_2D_ARRAY         21
#define TYPE_DOUBLE_2D_ARRAY        22
#define TYPE_OBJECT_2D_ARRAY        23
#define TYPE_BYTE_3D_ARRAY          24
#define TYPE_SHORT_3D_ARRAY         25
#define TYPE_CHAR_3D_ARRAY          26
#define TYPE_INT_3D_ARRAY           27
#define TYPE_LONG_3D_ARRAY          28
#define TYPE_FLOAT_3D_ARRAY         29
#define TYPE_DOUBLE_3D_ARRAY        30
#define TYPE_OBJECT_3D_ARRAY        31

#define TOTAL_DATA_TYPES            32

#define SIZEOF_BYTE                 1
#define SIZEOF_SHORT                2
#define SIZEOF_CHAR                 2
#define SIZEOF_INT                  4
#define SIZEOF_LONG                 8
#define SIZEOF_FLOAT                4
#define SIZEOF_DOUBLE               8

#define DEFAULT_BUFFER_SIZE         0x0000FFFFUL

#endif /* BQL_CONSTANTS_H */