#ifndef FUSED_CONFIG_H
#define FUSED_CONFIG_H

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

#define MAX_SYMBOLS 2048
#define MAX_HOLD_CURRENCIES 16
#define MAX_EXCLUDED_CURRENCIES 64
#define MAX_CAPITAL_ENTRIES 16

typedef struct {
    char   currency[CURRENCY_NAME_LEN];          /* currency ticker */
    double amount;                               /* max capital allocation */
} capital_entry_t;

/* Top-level application configuration parsed from config.yaml */
typedef struct {
    /* fh_ob section */
    char symbols[MAX_SYMBOLS][SYMBOL_NAME_LEN];  /* subscribed trading symbol names */
    uint32_t symbol_count;                       /* number of symbols in the list */
    char log_level[8];                           /* log verbosity level string */
    char socket_path[256];                       /* unix socket path for inter-process comm */
    char rest_host[64];                          /* KuCoin REST API hostname */
    int rest_port;                               /* KuCoin REST API port */
    char ws_url[256];                            /* KuCoin WebSocket base URL */
    char token_url[256];                         /* KuCoin token endpoint URL */
    double reconnect_base_delay;                 /* initial WebSocket reconnect delay (seconds) */
    double reconnect_max_delay;                  /* max WebSocket reconnect delay (seconds) */
    double heartbeat_interval;                   /* WebSocket ping interval (seconds) */

    /* oe_em section */
    double signal_threshold_bps;                 /* min predicted bps to fire a signal */
    char hold_currencies[MAX_HOLD_CURRENCIES][CURRENCY_NAME_LEN]; /* currencies to hold between legs */
    uint32_t hold_currency_count;                /* number of hold currencies */
    char excluded_currencies[MAX_EXCLUDED_CURRENCIES][CURRENCY_NAME_LEN]; /* currencies to skip */
    uint32_t excluded_currency_count;            /* number of excluded currencies */
    bool kcs_discount_active;                    /* whether KCS fee discount applies */
    char executor_socket_path[256];              /* unix socket path for signal executor */
    bool send_signals;                           /* whether to actually emit signals */
    double cooldown_seconds;                     /* min seconds between signals for same triangle */
    double stats_interval_seconds;               /* period between stats log dumps */
    bool live_mode;                              /* live trading vs paper/simulation */

    /* Capital allocation limits — each entry maps a currency ticker to a max
     * quote amount the fused engine may deploy for any one triangle signal. */
    capital_entry_t initial_capital[MAX_CAPITAL_ENTRIES];
    uint32_t        initial_capital_count;

    /* KuCoin API credentials (top-level keys in config.yaml) */
    char kucoin_api_key[64];                     /* KuCoin API key */
    char kucoin_api_secret[128];                 /* KuCoin API secret */
    char kucoin_api_passphrase[64];              /* KuCoin API passphrase */
} config_t;

/* Load and parse YAML config file into config_t */
int config_load(const char *path, config_t *cfg);

#endif