/******************************************************************************
 *
 *  Copyright 2001-2012 Broadcom Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

#define LOG_TAG "bt_bte"

#include <base/logging.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>

#include "avrc_api.h"
#include "bta_api.h"
#include "btm_api.h"
#include "btu.h"
#include "l2c_api.h"
#include "main_int.h"
#include "osi/include/config.h"
#include "osi/include/log.h"
#include "port_api.h"
#include "sdp_api.h"
#include "stack_config.h"

#include "avdt_api.h"
#include "a2dp_api.h"
#if (BNEP_INCLUDED == TRUE)
#include "bnep_api.h"
#endif
#if (PAN_INCLUDED == TRUE)
#include "pan_api.h"
#endif
#if (HID_HOST_INCLUDED == TRUE)
#include "hidh_api.h"
#endif
#if (HID_DEV_INCLUDED == TRUE)
#include "hidd_api.h"
#endif

#include "smp_api.h"

#include "gd/common/init_flags.h"

#ifndef DEFAULT_CONF_TRACE_LEVEL
#define DEFAULT_CONF_TRACE_LEVEL BT_TRACE_LEVEL_WARNING
#endif

#ifndef BTE_LOG_BUF_SIZE
#define BTE_LOG_BUF_SIZE 256
#endif

#define BTE_LOG_MAX_SIZE (BTE_LOG_BUF_SIZE - 12)

#define MSG_BUFFER_OFFSET 0

/* LayerIDs for BTA, currently everything maps onto appl_trace_level */
static const char* const bt_layer_tags[] = {
    "bt_btif",
    "bt_usb",
    "bt_serial",
    "bt_socket",
    "bt_rs232",
    "bt_lc",
    "bt_lm",
    "bt_hci",
    "bt_l2cap",
    "bt_rfcomm",
    "bt_sdp",
    "bt_tcs",
    "bt_obex",
    "bt_btm",
    "bt_gap",
    "UNUSED",
    "UNUSED",
    "bt_icp",
    "bt_hsp2",
    "bt_spp",
    "bt_ctp",
    "bt_bpp",
    "bt_hcrp",
    "bt_ftp",
    "bt_opp",
    "bt_btu",
    "bt_gki_deprecated",
    "bt_bnep",
    "bt_pan",
    "bt_hfp",
    "bt_hid",
    "bt_bip",
    "bt_avp",
    "bt_a2d",
    "bt_sap",
    "bt_amp",
    "bt_mca_deprecated",
    "bt_att",
    "bt_smp",
    "bt_nfc",
    "bt_nci",
    "bt_idep",
    "bt_ndep",
    "bt_llcp",
    "bt_rw",
    "bt_ce",
    "bt_snep",
    "bt_ndef",
    "bt_nfa",
};
static uint8_t BTAPP_SetTraceLevel(uint8_t new_level);
static uint8_t BTIF_SetTraceLevel(uint8_t new_level);
static uint8_t BTU_SetTraceLevel(uint8_t new_level);

/* make sure list is order by increasing layer id!!! */
static tBTTRC_FUNC_MAP bttrc_set_level_map[] = {
    {BTTRC_ID_STK_BTU, BTTRC_ID_STK_HCI, BTU_SetTraceLevel, "TRC_HCI",
     DEFAULT_CONF_TRACE_LEVEL},
    {BTTRC_ID_STK_L2CAP, BTTRC_ID_STK_L2CAP, L2CA_SetTraceLevel, "TRC_L2CAP",
     DEFAULT_CONF_TRACE_LEVEL},
    {BTTRC_ID_STK_RFCOMM, BTTRC_ID_STK_RFCOMM_DATA, PORT_SetTraceLevel,
     "TRC_RFCOMM", DEFAULT_CONF_TRACE_LEVEL},
    {BTTRC_ID_STK_AVDT, BTTRC_ID_STK_AVDT, AVDT_SetTraceLevel, "TRC_AVDT",
     DEFAULT_CONF_TRACE_LEVEL},
    {BTTRC_ID_STK_AVRC, BTTRC_ID_STK_AVRC, AVRC_SetTraceLevel, "TRC_AVRC",
     DEFAULT_CONF_TRACE_LEVEL},
    {BTTRC_ID_STK_A2DP, BTTRC_ID_STK_A2DP, A2DP_SetTraceLevel, "TRC_A2D",
     DEFAULT_CONF_TRACE_LEVEL},
#if (BNEP_INCLUDED == TRUE)
    {BTTRC_ID_STK_BNEP, BTTRC_ID_STK_BNEP, BNEP_SetTraceLevel, "TRC_BNEP",
     DEFAULT_CONF_TRACE_LEVEL},
#endif
    {BTTRC_ID_STK_BTM_ACL, BTTRC_ID_STK_BTM_SEC, BTM_SetTraceLevel, "TRC_BTM",
     DEFAULT_CONF_TRACE_LEVEL},
#if (HID_HOST_INCLUDED == TRUE)
    {BTTRC_ID_STK_HID, BTTRC_ID_STK_HID, HID_HostSetTraceLevel, "TRC_HID_HOST",
     DEFAULT_CONF_TRACE_LEVEL},
#endif
#if (PAN_INCLUDED == TRUE)
    {BTTRC_ID_STK_PAN, BTTRC_ID_STK_PAN, PAN_SetTraceLevel, "TRC_PAN",
     DEFAULT_CONF_TRACE_LEVEL},
#endif
    {BTTRC_ID_STK_SDP, BTTRC_ID_STK_SDP, SDP_SetTraceLevel, "TRC_SDP",
     DEFAULT_CONF_TRACE_LEVEL},
    {BTTRC_ID_STK_SMP, BTTRC_ID_STK_SMP, SMP_SetTraceLevel, "TRC_SMP",
     DEFAULT_CONF_TRACE_LEVEL},
#if (HID_DEV_INCLUDED == TRUE)
    {BTTRC_ID_STK_HIDD, BTTRC_ID_STK_HIDD, HID_DevSetTraceLevel, "TRC_HID_DEV",
     DEFAULT_CONF_TRACE_LEVEL},
#endif

    /* LayerIDs for BTA, currently everything maps onto appl_trace_level.
     */
    {BTTRC_ID_BTA_ACC, BTTRC_ID_BTAPP, BTAPP_SetTraceLevel, "TRC_BTAPP",
     DEFAULT_CONF_TRACE_LEVEL},
    {BTTRC_ID_BTA_ACC, BTTRC_ID_BTAPP, BTIF_SetTraceLevel, "TRC_BTIF",
     DEFAULT_CONF_TRACE_LEVEL},

    {0, 0, NULL, NULL, DEFAULT_CONF_TRACE_LEVEL}};

void LogMsg(uint32_t trace_set_mask, const char* fmt_str, ...) {
  char buffer[BTE_LOG_BUF_SIZE];
  int trace_layer = TRACE_GET_LAYER(trace_set_mask);
  if (trace_layer >= TRACE_LAYER_MAX_NUM) trace_layer = 0;

  va_list ap;
  va_start(ap, fmt_str);
  vsnprintf(&buffer[MSG_BUFFER_OFFSET], BTE_LOG_MAX_SIZE, fmt_str, ap);
  va_end(ap);

#undef LOG_TAG
#define LOG_TAG bt_layer_tags[trace_layer]

  switch (TRACE_GET_TYPE(trace_set_mask)) {
    case TRACE_TYPE_ERROR:
      LOG_ERROR("%s", buffer);
      break;
    case TRACE_TYPE_WARNING:
      LOG_WARN("%s", buffer);
      break;
    case TRACE_TYPE_API:
    case TRACE_TYPE_EVENT:
      LOG_INFO("%s", buffer);
      break;
    case TRACE_TYPE_DEBUG:
      LOG_INFO("%s", buffer);
      break;
    default:
      /* we should never get this */
      LOG_ERROR("!BAD TRACE TYPE! %s", buffer);
      CHECK(TRACE_GET_TYPE(trace_set_mask) == TRACE_TYPE_ERROR);
      break;
  }
#undef LOG_TAG
#define LOG_TAG "bt_bte"
}

/* this function should go into BTAPP_DM for example */
static uint8_t BTAPP_SetTraceLevel(uint8_t new_level) {
  if (new_level != 0xFF) appl_trace_level = new_level;

  return appl_trace_level;
}

static uint8_t BTIF_SetTraceLevel(uint8_t new_level) {
  if (new_level != 0xFF) btif_trace_level = new_level;

  return btif_trace_level;
}

static uint8_t BTU_SetTraceLevel(uint8_t new_level) {
  if (new_level != 0xFF) btu_trace_level = new_level;

  return btu_trace_level;
}

static void load_levels_from_config(const config_t* config) {
  CHECK(config != NULL);

  for (tBTTRC_FUNC_MAP* functions = &bttrc_set_level_map[0];
       functions->trc_name; ++functions) {
    int value = config_get_int(*config, CONFIG_DEFAULT_SECTION,
                               functions->trc_name, -1);
    if (value != -1) {
      functions->trace_level = value;
    }
    if (bluetooth::common::InitFlags::IsDebugLoggingEnabledForAll()) {
      LOG_INFO("Enable logging for %s because all debug logs are enabled",
               functions->trc_name);
      functions->trace_level = BT_TRACE_LEVEL_VERBOSE;
    }
    LOG_INFO("BTE_InitTraceLevels -- %s : Level %d", functions->trc_name,
             functions->trace_level);
    if (functions->p_f) functions->p_f(functions->trace_level);
  }
}

static future_t* init(void) {
  const stack_config_t* stack_config = stack_config_get_interface();
  if (!stack_config->get_trace_config_enabled()) {
    LOG_INFO("using compile default trace settings");
    return NULL;
  }

  init_cpp_logging(stack_config->get_all());

  load_levels_from_config(stack_config->get_all());
  return NULL;
}

EXPORT_SYMBOL extern const module_t bte_logmsg_module = {
    .name = BTE_LOGMSG_MODULE,
    .init = init,
    .start_up = NULL,
    .shut_down = NULL,
    .clean_up = NULL,
    .dependencies = {STACK_CONFIG_MODULE, NULL}};