#pragma once
#include <stddef.h>

/* ── Compile-time limits (not user-configurable) ───────────────── */
#define MAX_DL        256
#define MAX_NOTIF     50
#define BACKLOG       32
#define CURL_DL_TIMEOUT  7200L
#define CURL_API_TIMEOUT 20L

/* ── Runtime configuration struct ─────────────────────────────── */
typedef struct {
    /* Network */
    int  port;
    char bind_iface[64];     /* "" = no binding, "wg0-mullvad" = VPN only */

    /* IPTV provider (Xtream Codes) */
    char iptv_api[512];
    char iptv_user[128];
    char iptv_pass[128];
    char stream_base[512];

    /* Download directories */
    char dl_dir_tv[512];
    char dl_dir_mov[512];

    /* Integrations */
    char discord_webhook[512];
    char jellyfin_url[512];
    char jellyfin_token[256];

    /* Paths */
    char template_dir[512];  /* dir containing header.html, footer.html, iptv.css, *.js */
    char data_dir[512];      /* dir for history.json, notifications.json */
    char base_path[128];     /* URL prefix when behind reverse proxy, e.g. "/iptv" (no trailing slash) */

    /* Limits */
    long max_recv_speed;     /* bytes/sec, 0 = unlimited */
} Config;

extern Config g_cfg;

/*
 * Config load order (first found wins):
 *   1. Path passed to config_load(path) if non-NULL
 *   2. $IPTV_DL_CONFIG env var
 *   3. ~/.iptv-downloader/config.json
 *   4. /etc/iptv-downloader/config.json
 *   5. Built-in defaults (works with no config file)
 *
 * Returns path used (static buffer), or NULL if using defaults only.
 */
const char *config_load(const char *explicit_path);

/* Write current g_cfg back to the path that was loaded */
void config_save(void);

/* Print current config as JSON to stderr */
void config_dump(void);

/* Return history file path: data_dir/history.json */
void config_history_path(char *buf, size_t n);
/* Return notifications file path: data_dir/notifications.json */
void config_notif_path(char *buf, size_t n);