#include "aes67_ptp.h"

#include "aes67_cfg.h"
#include "aes67_web.h"
#include "ptp_clock.h"
#include "ptp_hw.h"

// Core defaults: Riedel SIC intervals, role auto with fallback priorities (docs/aes67-core-base.md).
static const char PTP_DEFAULTS[] =
    "{\"mode\":\"multicast\",\"role\":\"auto\",\"domain\":0,\"priority1\":250,\"priority2\":250,"
    "\"log_sync\":0,\"log_announce\":1,\"announce_timeout\":3,\"log_delay_req\":0,"
    "\"dscp\":46,\"hw_ts\":true}";

static bool ptp_validate(const cJSON *g, char *err, size_t n)
{
    static const char *const modes[] = { "multicast", "hybrid", NULL };
    static const char *const roles[] = { "slave", "auto", "master", NULL };
    return cfg_check_enum(g, "mode", modes, err, n) &&
           cfg_check_enum(g, "role", roles, err, n) &&
           cfg_check_int(g, "domain", 0, 127, err, n) &&
           cfg_check_int(g, "priority1", 0, 255, err, n) &&
           cfg_check_int(g, "priority2", 0, 255, err, n) &&
           cfg_check_int(g, "log_sync", -4, 1, err, n) &&
           cfg_check_int(g, "log_announce", 0, 4, err, n) &&
           cfg_check_int(g, "announce_timeout", 2, 10, err, n) &&
           cfg_check_int(g, "log_delay_req", -4, 1, err, n) &&
           cfg_check_int(g, "dscp", 0, 63, err, n);
}

static void ptp_apply(const cJSON *g)
{
    ptp_clock_reconfig();
}

esp_err_t aes67_ptp_init(void)
{
    return cfg_register("ptp", PTP_DEFAULTS, ptp_validate, ptp_apply);
}

esp_err_t aes67_ptp_start(esp_eth_handle_t eth)
{
    esp_netif_t *netif = esp_netif_get_handle_from_ifkey("ETH_DEF");
    esp_err_t err = ptp_hw_init(eth, netif);
    if (err != ESP_OK) {
        return err;
    }
    err = ptp_clock_start(netif);
    if (err == ESP_OK) {
        err = status_register(ptp_clock_status);
    }
    return err;
}

bool aes67_ptp_gm_id(char out[24])
{
    return ptp_clock_gm_id(out);
}

bool aes67_ptp_locked(void)
{
    return ptp_clock_locked();
}

esp_err_t aes67_ptp_now_ns(int64_t *ns)
{
    eth_mac_time_t t;
    esp_err_t err = ptp_hw_get_time(&t);
    if (err == ESP_OK) {
        *ns = (int64_t)t.seconds * 1000000000LL + t.nanoseconds;
    }
    return err;
}