#ifndef FUSED_SYMBOLS_API_H
#define FUSED_SYMBOLS_API_H

#include <stdint.h>
#include <stdbool.h>
#include "hash.h"
#include "config.h"
#include "triangle.h"

/* Describes one trading pair as returned by the KuCoin REST API */
typedef struct {
    char symbol[SYMBOL_NAME_LEN];         /* trading pair symbol e.g. "BTC-USDT" */
    char base[CURRENCY_NAME_LEN];         /* base currency code */
    char quote[CURRENCY_NAME_LEN];        /* quote currency code */
    char fee_currency[CURRENCY_NAME_LEN]; /* currency used for trading fee */
    uint8_t fee_category;                 /* fee category identifier */
    double taker_fee_coeff;               /* taker fee coefficient */
    double maker_fee_coeff;               /* maker fee coefficient */
    double base_increment;                /* base lot size step */
    double quote_increment;               /* quote lot size step */
    double base_min_size;                 /* minimum base order size */
} trading_pair_t;

/* Growable list of trading pairs */
typedef struct {
    trading_pair_t *pairs;   /* dynamic array of trading pairs */
    uint32_t count;          /* number of pairs currently stored */
    uint32_t capacity;       /* allocated capacity */
} pair_list_t;

/* Fetch all trading pairs from the KuCoin REST API */
int fetch_trading_pairs(pair_list_t *out);

/* Full symbol discovery: fetch pairs, enumerate triangles, populate tables */
int discover_symbols(symbol_table_t *symbols, triangle_set_t *triangles,
                     const config_t *cfg, const fee_entry_t *fees, uint32_t fee_count);

#endif