#ifndef MINING_PAYMENT_H
#define MINING_PAYMENT_H

#include "esp_err.h"
#include <stdint.h>
#include <stdbool.h>

#define MINING_SHARE_WINDOW_S 30
#define MINING_BLOCK_SUBSIDY_SATS 312500000ULL
#define MINING_BLOCKS_PER_DAY 144ULL
#define MINING_MAX_CLIENTS 10

typedef struct {
    uint32_t ip;
    uint64_t shares_accepted;
    uint64_t shares_rejected;
    int64_t first_share_time_ms;
    int64_t last_share_time_ms;
    double hashrate_ghs;
} mining_client_stats_t;

uint64_t mining_nbits_to_difficulty(uint32_t nbits);
double mining_calculate_hashprice(uint32_t nbits);
double mining_calculate_hashprice_override(uint64_t sats_per_ghs_day);
esp_err_t mining_validate_share(const uint8_t *header80, uint32_t nonce, const uint8_t *target, int target_len);
uint64_t mining_shares_to_allotment_ms(double hashrate_ghs, double hashprice_sats_per_ghs_s, int price_per_step, int step_size_ms);
uint64_t mining_shares_to_allotment_bytes(double hashrate_ghs, double hashprice_sats_per_ghs_s, int price_per_step, int step_size_bytes);
mining_client_stats_t *mining_get_or_create_client(uint32_t client_ip);
void mining_update_hashrate(uint32_t client_ip, bool accepted);
const mining_client_stats_t *mining_get_client_stats(uint32_t client_ip);
double mining_get_current_hashprice(void);
void mining_set_current_nbits(uint32_t nbits);
void mining_payment_init(void);

#endif