#include "iflytop_xsync_protocol\iflytop_xsync_protocol.h"
#include "project_configs.h"
#include "project_dep.h"
//
#include "iflytop_xsync\xs_udp.h"
#include "reg_manager.h"
#define TAG "extern_if_service"

static udp_t m_udp_cmd_server;  //
// static udp_broadcast_handler_t m_udp_camera_sync_sender;  //

static struct sockaddr_in m_last_rxpacket_client;
static bool               m_last_rxpacket_client_valid = false;
static uint8_t            txbuf[2048];

/*******************************************************************************
 *                           上位机下发指令回执服务                            *
 *******************************************************************************/
typedef struct {
  udp_t                         *server;
  struct sockaddr_in            *client;
  iflytop_xsync_packet_header_t *rxpacket;
} extern_if_service_context_t;

/**
 * @brief 创建并发送回执数据包
 *
 * @param context
 * @param data
 * @param ndata
 */
static void create_and_send_receipt(extern_if_service_context_t *context, uint32_t *data, size_t ndata) {
  iflytop_xsync_packet_header_t *txpacket = (iflytop_xsync_packet_header_t *)txbuf;

  txpacket->type  = kxsync_packet_type_receipt;
  txpacket->index = context->rxpacket->index;
  txpacket->cmd   = context->rxpacket->cmd;
  txpacket->ndata = ndata;
  memcpy(txpacket->data, data, ndata * sizeof(uint32_t));
  xs_udp_send_message2(context->server, context->client, (const char *)txbuf, sizeof(iflytop_xsync_packet_header_t) + ndata * sizeof(uint32_t));
}
#if 0
/**
 * @brief 构建并发送时间码数据包
 *
 * @param client
 * @param timecode0
 * @param timecode1
 */
static void create_and_send_timecode(struct sockaddr_in client, uint32_t timecode0, uint32_t timecode1) {
  iflytop_xsync_packet_header_t *txpacket = (iflytop_xsync_packet_header_t *)txbuf;

  txpacket->type    = kxsync_packet_type_report;
  txpacket->index   = 0;
  txpacket->cmd     = kxsync_packet_type_timecode_report;
  txpacket->ndata   = 2;
  txpacket->data[0] = timecode0;
  txpacket->data[1] = timecode1;
  xs_udp_send_message2(&m_udp_cmd_server, &client, txbuf, sizeof(iflytop_xsync_packet_header_t) + 2 * sizeof(uint32_t));
}
#endif

/**
 * @brief 接收并解析从上位机下发下来的数据包
 *
 * @param server
 * @param client
 * @param data
 * @param len
 */
static void udp_on_packet(udp_t *server, struct sockaddr_in *client, uint8_t *data, uint16_t len) {
  // ZLOGI(TAG, "udp_on_packet %d:", len);
  // for (int i = 0; i < len; i++) {
  //   printf("%02x ", data[i]);
  // }
  // printf("\n");

  /**
   * @brief
   */
  iflytop_xsync_packet_header_t *rxpacket = (iflytop_xsync_packet_header_t *)data;
  extern_if_service_context_t    cx       = {0};
  cx.client                               = client;
  cx.server                               = server;
  cx.rxpacket                             = rxpacket;

  if (rxpacket->type != kxsync_packet_type_cmd) return;

  m_last_rxpacket_client_valid = true;
  memcpy(&m_last_rxpacket_client, client, sizeof(struct sockaddr_in));

  if (rxpacket->cmd == kxsync_packet_type_reg_read) {
    uint32_t regadd = rxpacket->data[0];
    uint32_t receipt[2];

    receipt[0] = 0;                             // receipt
    receipt[1] = reg_manager_read_reg(regadd);  // regdata
    ZLOGI(TAG, "regadd: %d, regdata: 0x%08x", regadd, receipt[1]);
    create_and_send_receipt(&cx, receipt, 2);
  } else if (rxpacket->cmd == kxsync_packet_type_reg_write) {
    uint32_t regadd = rxpacket->data[0];
    uint32_t regval = rxpacket->data[1];
    uint32_t receipt[2];

    receipt[0] = 0;  //
    receipt[1] = reg_manager_write_reg(regadd, regval);
    create_and_send_receipt(&cx, receipt, 2);

  } else if (rxpacket->cmd == kxsync_packet_type_reg_read_regs) {
    uint32_t start_regadd = rxpacket->data[0];
    uint32_t nreg         = rxpacket->data[1];

    static uint32_t regcache[MAX_REG_NUM + 1];
    uint32_t        len = MAX_REG_NUM;
    regcache[0]         = 0;
    reg_manager_read_regs(start_regadd, nreg, &regcache[1], &len);
    create_and_send_receipt(&cx, regcache, len);
  }
}

void extern_if_service_init() { ZASSERT(xs_udp_init(&m_udp_cmd_server, "extern_if_udp", IFLYTOP_XSYNC_SERVICE_XSYNC_PORT, udp_on_packet, 1024, NULL)); }
#if 0
void extern_if_service_send_timecode(struct sockaddr_in client, uint32_t timecode0, uint32_t timecode1) { create_and_send_timecode(client, timecode0, timecode1); }
#endif