#ifndef BALANCE_SHEET_H
#define BALANCE_SHEET_H

#include <stdint.h>
#include <dynarr.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <khash/khash.h>
#include <crypto/crypto.h>
#include <string.h>

typedef struct {
    uint8_t bytes[32];
} key32_t;

typedef struct {
    uint8_t address[32]; // For now just the SHA-256 of the public key; allows representation in different encodings (base58, bech32, etc) without changing the underlying data structure
    uint64_t balance;
    // TODO: Additional things
} balance_sheet_entry_t;

static inline uint32_t hash_key32(key32_t k) {
    uint32_t hash = 2166136261u;
    for (int i = 0; i < 32; i++) {
        hash ^= k.bytes[i];
        hash *= 16777619;
    }
    return hash;
}

static inline int eq_key32(key32_t a, key32_t b) {
    return memcmp(a.bytes, b.bytes, 32) == 0;
}

KHASH_INIT(balance_sheet_map_m, key32_t, balance_sheet_entry_t, 1, hash_key32, eq_key32);
extern khash_t(balance_sheet_map_m)* sheetMap;

void BalanceSheet_Init();
int BalanceSheet_Insert(balance_sheet_entry_t entry);
bool BalanceSheet_Lookup(uint8_t* address, balance_sheet_entry_t* out);
bool BalanceSheet_SaveToFile(const char* outPath);
bool BalanceSheet_LoadFromFile(const char* inPath); 
void BalanceSheet_Print();
void BalanceSheet_Destroy();

#endif