#ifndef D2STAT_H
#define D2STAT_H

#include <stdint.h>
#include <stdlib.h>

#define D2S_STAT_HEADER "gf"
#define D2S_STAT_HEADER_LENGTH 2
#define D2S_STAT_FOOTER 0x1FF

typedef enum D2S_STAT {
    D2S_STAT_STRENGTH = 0x00,
    D2S_STAT_ENERGY = 0x01,
    D2S_STAT_DEXTERITY = 0x02,
    D2S_STAT_VITALITY = 0x03,
    D2S_STAT_STATPTS = 0x04,
    D2S_STAT_SKILLPTS = 0x05,
    D2S_STAT_LIFE = 0x06,
    D2S_STAT_MAXLIFE = 0x07,
    D2S_STAT_MANA = 0x08,
    D2S_STAT_MAXMANA = 0x09,
    D2S_STAT_STAMINA = 0x0a,
    D2S_STAT_MAXSTAMINA = 0x0b,
    D2S_STAT_LEVEL = 0x0c,
    D2S_STAT_EXPERIENCE = 0x0d,
    D2S_STAT_GOLD = 0x0e,
    D2S_STAT_GOLDSTASH = 0x0f,
} D2S_STAT;

// Internal use. Length of each stat in bits
const int statCost[] = {
    10, //D2S_STAT_STRENGTH
    10, //D2S_STAT_ENERGY
    10, //D2S_STAT_DEXTERITY
    10, //D2S_STAT_VITALITY
    10, //D2S_STAT_STATPTS
    8,  //D2S_STAT_SKILLPTS
    21, //D2S_STAT_LIFE
    21, //D2S_STAT_MAXLIFE
    21, //D2S_STAT_MANA
    21, //D2S_STAT_MAXMANA
    21, //D2S_STAT_STAMINA
    21, //D2S_STAT_MAXSTAMINA
    7,  //D2S_STAT_LEVEL
    32, //D2S_STAT_EXPERIENCE
    25, //D2S_STAT_GOLD
    25  //D2S_STAT_GOLDSTASH
};

// Internal use. Mask to apply to the bit offset (when properly shifted) to get the stat value
const uint64_t statCostMask[] = {
    0x00000000000003FF, //D2S_STAT_STRENGTH (10 bits)
    0x00000000000003FF, //D2S_STAT_ENERGY (10 bits)
    0x00000000000003FF, //D2S_STAT_DEXTERITY (10 bits)
    0x00000000000003FF, //D2S_STAT_VITALITY (10 bits)
    0x00000000000003FF, //D2S_STAT_STATPTS (10 bits)
    0x00000000000000FF, //D2S_STAT_SKILLPTS (8 bits)
    0x00000000001FFFFF, //D2S_STAT_LIFE (21 bits)
    0x00000000001FFFFF, //D2S_STAT_MAXLIFE (21 bits)
    0x00000000001FFFFF, //D2S_STAT_MANA (21 bits)
    0x00000000001FFFFF, //D2S_STAT_MAXMANA (21 bits)
    0x00000000001FFFFF, //D2S_STAT_STAMINA (21 bits)
    0x00000000001FFFFF, //D2S_STAT_MAXSTAMINA (21 bits)
    0x000000000000007F, //D2S_STAT_LEVEL (7 bits)
    0x00000000FFFFFFFF, //D2S_STAT_EXPERIENCE (32 bits)
    0x0000000001FFFFFF, //D2S_STAT_GOLD (25 bits)
    0x0000000001FFFFFF  //D2S_STAT_GOLDSTASH (25 bits)
};

int getStat(D2S_STAT stat, unsigned int* value, void* charData, size_t dataLen);
int setStat(D2S_STAT stat, unsigned int value, void* charData, size_t dataLen);

#endif