/******************************************************************************
 *
 *  Copyright (c) 2014 The Android Open Source Project
 *  Copyright 2009-2016 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.
 *
 ******************************************************************************/

/*******************************************************************************
 *
 *  Filename:      btif_util.c
 *
 *  Description:   Miscellaneous helper functions
 *
 *
 ******************************************************************************/

#define LOG_TAG "bt_btif_util"

#include "btif_util.h"

#include <ctype.h>
#include <hardware/bt_av.h>
#include <netinet/in.h>
#include <stdlib.h>

#include <string>

#include "avrc_defs.h"
#include "bta/include/bta_sec_api.h"
#include "bta_ag_api.h"
#include "bta_api.h"
#include "bta_av_api.h"
#include "bta_hd_api.h"
#include "bta_hf_client_api.h"
#include "include/macros.h"

/*******************************************************************************
 *  Constants & Macros
 ******************************************************************************/
#define ISDIGIT(a) (((a) >= '0') && ((a) <= '9'))

/*****************************************************************************
 *   Logging helper functions
 ****************************************************************************/

uint32_t devclass2uint(const DEV_CLASS dev_class) {
  uint32_t cod = 0;

  if (dev_class != kDevClassEmpty) {
    /* if COD is 0, irrespective of the device type set it to Unclassified
     * device */
    cod = (dev_class[2]) | (dev_class[1] << 8) | (dev_class[0] << 16);
  }
  return cod;
}
DEV_CLASS uint2devclass(uint32_t cod) {
  DEV_CLASS dev_class;
  dev_class[2] = (uint8_t)cod;
  dev_class[1] = (uint8_t)(cod >> 8);
  dev_class[0] = (uint8_t)(cod >> 16);
  return dev_class;
}

/*****************************************************************************
 *  Function        ascii_2_hex
 *
 *  Description     This function converts an ASCII string into HEX
 *
 *  Returns         the number of hex bytes filled.
 */
int ascii_2_hex(const char* p_ascii, int len, uint8_t* p_hex) {
  int x;
  uint8_t c;

  for (x = 0; (x < len) && (*p_ascii); x++) {
    if (ISDIGIT(*p_ascii)) {
      c = (*p_ascii - '0') << 4;
    } else {
      c = (toupper(*p_ascii) - 'A' + 10) << 4;
    }

    p_ascii++;
    if (*p_ascii) {
      if (ISDIGIT(*p_ascii)) {
        c |= (*p_ascii - '0');
      } else {
        c |= (toupper(*p_ascii) - 'A' + 10);
      }

      p_ascii++;
    }
    *p_hex++ = c;
  }

  return x;
}

std::string dump_dm_search_event(uint16_t event) {
  switch (event) {
    CASE_RETURN_STRING(BTA_DM_INQ_RES_EVT);
    CASE_RETURN_STRING(BTA_DM_INQ_CMPL_EVT);
    CASE_RETURN_STRING(BTA_DM_DISC_CMPL_EVT);
    CASE_RETURN_STRING(BTA_DM_SEARCH_CANCEL_CMPL_EVT);
    CASE_RETURN_STRING(BTA_DM_NAME_READ_EVT);
  }
  RETURN_UNKNOWN_TYPE_STRING(dm_search_event, event);
}

std::string dump_property_type(bt_property_type_t type) {
  switch (type) {
    CASE_RETURN_STRING(BT_PROPERTY_BDNAME);
    CASE_RETURN_STRING(BT_PROPERTY_BDADDR);
    CASE_RETURN_STRING(BT_PROPERTY_UUIDS);
    CASE_RETURN_STRING(BT_PROPERTY_CLASS_OF_DEVICE);
    CASE_RETURN_STRING(BT_PROPERTY_TYPE_OF_DEVICE);
    CASE_RETURN_STRING(BT_PROPERTY_REMOTE_RSSI);
    CASE_RETURN_STRING(BT_PROPERTY_ADAPTER_DISCOVERABLE_TIMEOUT);
    CASE_RETURN_STRING(BT_PROPERTY_ADAPTER_BONDED_DEVICES);
    CASE_RETURN_STRING(BT_PROPERTY_REMOTE_FRIENDLY_NAME);
    default:
      RETURN_UNKNOWN_TYPE_STRING(bt_property_type_t, type);
  }
}

std::string dump_dm_event(uint16_t event) {
  switch (event) {
    CASE_RETURN_STRING(BTA_DM_PIN_REQ_EVT);
    CASE_RETURN_STRING(BTA_DM_AUTH_CMPL_EVT);
    CASE_RETURN_STRING(BTA_DM_LINK_UP_EVT);
    CASE_RETURN_STRING(BTA_DM_LINK_DOWN_EVT);
    CASE_RETURN_STRING(BTA_DM_BOND_CANCEL_CMPL_EVT);
    CASE_RETURN_STRING(BTA_DM_SP_CFM_REQ_EVT);
    CASE_RETURN_STRING(BTA_DM_SP_KEY_NOTIF_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_KEY_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_SEC_REQ_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_PASSKEY_NOTIF_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_PASSKEY_REQ_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_OOB_REQ_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_SC_OOB_REQ_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_LOCAL_IR_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_LOCAL_ER_EVT);
    CASE_RETURN_STRING(BTA_DM_BLE_AUTH_CMPL_EVT);
    CASE_RETURN_STRING(BTA_DM_DEV_UNPAIRED_EVT);
    CASE_RETURN_STRING(BTA_DM_ENER_INFO_READ);
    CASE_RETURN_STRING(BTA_DM_SIRK_VERIFICATION_REQ_EVT);
    CASE_RETURN_STRING(BTA_DM_KEY_MISSING_EVT);
  }
  RETURN_UNKNOWN_TYPE_STRING(dm_event, event);
}

std::string dump_hf_event(uint16_t event) {
  switch (event) {
    CASE_RETURN_STRING(BTA_AG_ENABLE_EVT);
    CASE_RETURN_STRING(BTA_AG_REGISTER_EVT);
    CASE_RETURN_STRING(BTA_AG_OPEN_EVT);
    CASE_RETURN_STRING(BTA_AG_CLOSE_EVT);
    CASE_RETURN_STRING(BTA_AG_CONN_EVT);
    CASE_RETURN_STRING(BTA_AG_AUDIO_OPEN_EVT);
    CASE_RETURN_STRING(BTA_AG_AUDIO_CLOSE_EVT);
    CASE_RETURN_STRING(BTA_AG_SPK_EVT);
    CASE_RETURN_STRING(BTA_AG_MIC_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_CKPD_EVT);
    CASE_RETURN_STRING(BTA_AG_DISABLE_EVT);
    CASE_RETURN_STRING(BTA_AG_CODEC_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_A_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_D_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_CHLD_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_CHUP_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_CIND_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_VTS_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BINP_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BLDN_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BVRA_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_NREC_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_CNUM_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BTRH_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_CLCC_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_COPS_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_UNAT_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_CBC_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BAC_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BCS_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BIND_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BIEV_EVT);
    CASE_RETURN_STRING(BTA_AG_AT_BIA_EVT);
  }
  RETURN_UNKNOWN_TYPE_STRING(hf_event, event);
}

std::string dump_hf_client_event(uint16_t event) {
  switch (event) {
    CASE_RETURN_STRING(BTA_HF_CLIENT_ENABLE_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_REGISTER_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_OPEN_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_CLOSE_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_CONN_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_AUDIO_OPEN_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_AUDIO_MSBC_OPEN_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_AUDIO_LC3_OPEN_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_AUDIO_CLOSE_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_SPK_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_MIC_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_DISABLE_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_IND_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_VOICE_REC_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_OPERATOR_NAME_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_CLIP_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_CCWA_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_AT_RESULT_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_CLCC_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_CNUM_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_BTRH_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_BSIR_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_BINP_EVT);
    CASE_RETURN_STRING(BTA_HF_CLIENT_RING_INDICATION);
  }
  RETURN_UNKNOWN_TYPE_STRING(hf_client_event, event);
}

std::string dump_hd_event(uint16_t event) {
  switch (event) {
    CASE_RETURN_STRING(BTA_HD_ENABLE_EVT);
    CASE_RETURN_STRING(BTA_HD_DISABLE_EVT);
    CASE_RETURN_STRING(BTA_HD_REGISTER_APP_EVT);
    CASE_RETURN_STRING(BTA_HD_UNREGISTER_APP_EVT);
    CASE_RETURN_STRING(BTA_HD_OPEN_EVT);
    CASE_RETURN_STRING(BTA_HD_CLOSE_EVT);
    CASE_RETURN_STRING(BTA_HD_GET_REPORT_EVT);
    CASE_RETURN_STRING(BTA_HD_SET_REPORT_EVT);
    CASE_RETURN_STRING(BTA_HD_SET_PROTOCOL_EVT);
    CASE_RETURN_STRING(BTA_HD_INTR_DATA_EVT);
    CASE_RETURN_STRING(BTA_HD_VC_UNPLUG_EVT);
    CASE_RETURN_STRING(BTA_HD_CONN_STATE_EVT);
    CASE_RETURN_STRING(BTA_HD_API_ERR_EVT);
  }
  RETURN_UNKNOWN_TYPE_STRING(hd_event, event);
}

std::string dump_thread_evt(bt_cb_thread_evt evt) {
  switch (evt) {
    CASE_RETURN_STRING(ASSOCIATE_JVM);
    CASE_RETURN_STRING(DISASSOCIATE_JVM);
  }
  RETURN_UNKNOWN_TYPE_STRING(bt_cb_thread_evt, evt);
}

std::string dump_av_conn_state(uint16_t event) {
  switch (event) {
    CASE_RETURN_STRING(BTAV_CONNECTION_STATE_DISCONNECTED);
    CASE_RETURN_STRING(BTAV_CONNECTION_STATE_CONNECTING);
    CASE_RETURN_STRING(BTAV_CONNECTION_STATE_CONNECTED);
    CASE_RETURN_STRING(BTAV_CONNECTION_STATE_DISCONNECTING);
  }
  RETURN_UNKNOWN_TYPE_STRING(av_conn_state, event);
}

std::string dump_av_audio_state(uint16_t event) {
  switch (event) {
    CASE_RETURN_STRING(BTAV_AUDIO_STATE_REMOTE_SUSPEND);
    CASE_RETURN_STRING(BTAV_AUDIO_STATE_STOPPED);
    CASE_RETURN_STRING(BTAV_AUDIO_STATE_STARTED);
  }
  RETURN_UNKNOWN_TYPE_STRING(av_audio_state, event);
}

std::string dump_adapter_scan_mode(bt_scan_mode_t mode) {
  switch (mode) {
    CASE_RETURN_STRING(BT_SCAN_MODE_NONE);
    CASE_RETURN_STRING(BT_SCAN_MODE_CONNECTABLE);
    CASE_RETURN_STRING(BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);
    default:
      RETURN_UNKNOWN_TYPE_STRING(bt_scan_mode_t, mode);
  }
}

std::string dump_bt_status(bt_status_t status) {
  switch (status) {
    CASE_RETURN_STRING(BT_STATUS_SUCCESS);
    CASE_RETURN_STRING(BT_STATUS_FAIL);
    CASE_RETURN_STRING(BT_STATUS_NOT_READY);
    CASE_RETURN_STRING(BT_STATUS_NOMEM);
    CASE_RETURN_STRING(BT_STATUS_BUSY);
    CASE_RETURN_STRING(BT_STATUS_UNSUPPORTED);
    default:
      RETURN_UNKNOWN_TYPE_STRING(bt_status_t, status);
  }
}

std::string dump_rc_opcode(uint8_t opcode) {
  switch (opcode) {
    CASE_RETURN_STRING(AVRC_OP_UNIT_INFO);
    CASE_RETURN_STRING(AVRC_OP_SUB_INFO);
    CASE_RETURN_STRING(AVRC_OP_VENDOR);
    CASE_RETURN_STRING(AVRC_OP_PASS_THRU);
    CASE_RETURN_STRING(AVRC_OP_BROWSE);
    CASE_RETURN_STRING(AVRC_OP_INVALID);
  }
  RETURN_UNKNOWN_TYPE_STRING(rc_opcode, opcode);
}

std::string dump_rc_event(uint8_t event) {
  switch (event) {
    CASE_RETURN_STRING(BTA_AV_RC_OPEN_EVT);
    CASE_RETURN_STRING(BTA_AV_RC_CLOSE_EVT);
    CASE_RETURN_STRING(BTA_AV_RC_BROWSE_OPEN_EVT);
    CASE_RETURN_STRING(BTA_AV_RC_BROWSE_CLOSE_EVT);
    CASE_RETURN_STRING(BTA_AV_REMOTE_CMD_EVT);
    CASE_RETURN_STRING(BTA_AV_REMOTE_RSP_EVT);
    CASE_RETURN_STRING(BTA_AV_VENDOR_CMD_EVT);
    CASE_RETURN_STRING(BTA_AV_VENDOR_RSP_EVT);
    CASE_RETURN_STRING(BTA_AV_META_MSG_EVT);
    CASE_RETURN_STRING(BTA_AV_RC_FEAT_EVT);
    CASE_RETURN_STRING(BTA_AV_RC_PSM_EVT);
  }
  RETURN_UNKNOWN_TYPE_STRING(rc_event, event);
}

std::string dump_rc_notification_event_id(uint8_t event_id) {
  switch (event_id) {
    CASE_RETURN_STRING(AVRC_EVT_INVALID);
    CASE_RETURN_STRING(AVRC_EVT_PLAY_STATUS_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_TRACK_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_TRACK_REACHED_END);
    CASE_RETURN_STRING(AVRC_EVT_TRACK_REACHED_START);
    CASE_RETURN_STRING(AVRC_EVT_PLAY_POS_CHANGED);
    CASE_RETURN_STRING(AVRC_EVT_BATTERY_STATUS_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_SYSTEM_STATUS_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_APP_SETTING_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_VOLUME_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_ADDR_PLAYER_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_AVAL_PLAYERS_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_NOW_PLAYING_CHANGE);
    CASE_RETURN_STRING(AVRC_EVT_UIDS_CHANGE);
  }
  RETURN_UNKNOWN_TYPE_STRING(rc_notification_event_id, event_id);
}

std::string dump_rc_pdu(uint8_t pdu) {
  switch (pdu) {
    CASE_RETURN_STRING(AVRC_PDU_LIST_PLAYER_APP_ATTR);
    CASE_RETURN_STRING(AVRC_PDU_LIST_PLAYER_APP_VALUES);
    CASE_RETURN_STRING(AVRC_PDU_GET_CUR_PLAYER_APP_VALUE);
    CASE_RETURN_STRING(AVRC_PDU_SET_PLAYER_APP_VALUE);
    CASE_RETURN_STRING(AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT);
    CASE_RETURN_STRING(AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT);
    CASE_RETURN_STRING(AVRC_PDU_INFORM_DISPLAY_CHARSET);
    CASE_RETURN_STRING(AVRC_PDU_INFORM_BATTERY_STAT_OF_CT);
    CASE_RETURN_STRING(AVRC_PDU_GET_ELEMENT_ATTR);
    CASE_RETURN_STRING(AVRC_PDU_GET_PLAY_STATUS);
    CASE_RETURN_STRING(AVRC_PDU_REGISTER_NOTIFICATION);
    CASE_RETURN_STRING(AVRC_PDU_REQUEST_CONTINUATION_RSP);
    CASE_RETURN_STRING(AVRC_PDU_ABORT_CONTINUATION_RSP);
    CASE_RETURN_STRING(AVRC_PDU_SET_ABSOLUTE_VOLUME);
    CASE_RETURN_STRING(AVRC_PDU_SET_ADDRESSED_PLAYER);
    CASE_RETURN_STRING(AVRC_PDU_CHANGE_PATH);
    CASE_RETURN_STRING(AVRC_PDU_GET_CAPABILITIES);
    CASE_RETURN_STRING(AVRC_PDU_SET_BROWSED_PLAYER);
    CASE_RETURN_STRING(AVRC_PDU_GET_FOLDER_ITEMS);
    CASE_RETURN_STRING(AVRC_PDU_GET_ITEM_ATTRIBUTES);
    CASE_RETURN_STRING(AVRC_PDU_PLAY_ITEM);
    CASE_RETURN_STRING(AVRC_PDU_SEARCH);
    CASE_RETURN_STRING(AVRC_PDU_ADD_TO_NOW_PLAYING);
    CASE_RETURN_STRING(AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS);
    CASE_RETURN_STRING(AVRC_PDU_GENERAL_REJECT);
  }
  RETURN_UNKNOWN_TYPE_STRING(rc_pdu, pdu);
}