/*
Copyright (c) 2015, The Linux Foundation. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above
      copyright notice, this list of conditions and the following
      disclaimer in the documentation and/or other materials provided
      with the distribution.
    * Neither the name of The Linux Foundation nor the names of its
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#define LOG_TAG "android_hardware_fm"

#include <cstdlib>
#include <cstring>
#include <utils/Log.h>
#include "ConfigFmThs.h"
#include "FmPerformanceParams.h"
#include "FmRadioController.h"

static int compare_name
(
   const void *name1, const void *name2
)
{
    char *first = (char *)name1;
    struct NAME_MAP *second = (struct NAME_MAP *)name2;

    return(strcmp(first, second->name));
}

ConfigFmThs :: ConfigFmThs
(
)
{
    keyfile = NULL;
}

ConfigFmThs :: ~ConfigFmThs
(
)
{
   free_key_file(keyfile);
}

void ConfigFmThs :: set_band_cfgs
(
   UINT fd
)
{
    signed char ret = FM_SUCCESS;
    char **keys;
    char **keys_cpy;
    char *key_value;
    int value;
    FmPerformanceParams perf_params;
    struct NAME_MAP *found;

    if(keyfile != NULL) {
       keys_cpy = keys = get_keys(keyfile, GRPS_MAP[1].name);
       if(keys != NULL) {
          while(*keys != NULL) {
              ALOGE("key found is: %s\n", *keys);
              found = (NAME_MAP *)bsearch(*keys, BAND_CFG_MAP,
                          MAX_BAND_PARAMS, sizeof(NAME_MAP), compare_name);
              if(found != NULL) {
                 key_value = get_value(keyfile,
                                     GRPS_MAP[1].name, found->name);
                 if((key_value != NULL) && strcmp(key_value, "")) {
                    value = atoi(key_value);
                    switch(found->num) {
                    case RADIO_BAND:
                         ALOGE("RADIO_BAND\n");
                         if((value >= BAND_87500_108000)
                             && (value <= BAND_76000_90000)) {
                             ALOGE("%s:Set band as: %d\n",__func__, value);
                             ret = perf_params.SetBand(fd, value);
                             if(ret == FM_FAILURE)
                                ALOGE("Error in setting band\n");
                         }
                         break;
                    case EMPHASIS:
                         ALOGE("EMPHASIS\n");
                         if((value >= DE_EMP75)
                             && (value <= DE_EMP50)) {
                             ALOGE("%s:Set Emphasis as: %d\n",__func__, value);
                             ret = perf_params.SetEmphsis(fd, value);
                             if(ret == FM_FAILURE)
                                ALOGE("Error in setting Emphasis\n");
                         }
                         break;
                    case CHANNEL_SPACING:
                         ALOGE("CHANNEL_SPACING\n");
                         if((value >= CHAN_SPACE_200)
                             && (value <= CHAN_SPACE_50)) {
                             ALOGE("%s:Set CH space as: %d\n",__func__, value);
                             ret = perf_params.SetChannelSpacing(fd, value);
                             if(ret == FM_FAILURE)
                                ALOGE("Error in setting channel spacing\n");
                         }
                         break;
                   }
                 }else {
                   ALOGE("key_val for key: %s is empty\n",
                             *keys);
                 }
                 free(key_value);
              }
              keys++;
          }
       }else {
          ALOGE("No of keys found is zero\n");
       }
       free_strs(keys_cpy);
    }else {
       ALOGE("key file is null\n");
    }
}

void ConfigFmThs :: set_af_ths
(
   UINT fd
)
{
    signed char ret = FM_SUCCESS;
    char **keys;
    char **keys_cpy;
    char *key_value;
    int value;
    FmPerformanceParams perf_params;
    struct NAME_MAP *found;

    if(keyfile != NULL) {
       keys_cpy = keys = get_keys(keyfile, GRPS_MAP[0].name);
       if(keys != NULL) {
          while(*keys != NULL) {
              ALOGE("key found is: %s\n", *keys);
              found = (NAME_MAP *)bsearch(*keys, AF_PARAMS_MAP,
                          MAX_AF_PARAMS, sizeof(NAME_MAP), compare_name);
              if(found != NULL) {
                 key_value = get_value(keyfile,
                                     GRPS_MAP[0].name, found->name);
                 if((key_value != NULL) && strcmp(key_value, "")) {
                    value = atoi(key_value);
                    switch(found->num) {
                    case AF_RMSSI_TH:
                         if((value >= AF_RMSSI_TH_MIN)
                             && (value <= AF_RMSSI_TH_MAX)) {
                             ALOGE("Set af rmssi th: %d\n", value);
                             ret = perf_params.SetAfRmssiTh(fd, value);
                             if(ret == FM_FAILURE) {
                                ALOGE("Error in setting Af Rmssi th\n");
                                break;
                             }
                             unsigned short th;
                             ret = perf_params.GetAfRmssiTh(fd, th);
                             if(ret == FM_SUCCESS) {
                                ALOGE("Read af rmssith: %hd\n", th);
                             }else {
                                ALOGE("Error in reading Af Rmssi th\n");
                             }
                         }
                         break;
                    case AF_RMSSI_SAMPLES:
                         if((value >= AF_RMSSI_SAMPLES_MIN)
                             && (value <= AF_RMSSI_SAMPLES_MAX)) {
                             ALOGE("Set af rmssi samples cnt: %d\n", value);
                             ret = perf_params.SetAfRmssiSamplesCnt(fd, value);
                             if(ret == FM_FAILURE) {
                                ALOGE("Error in setting af rmssi samples\n");
                                break;
                             }
                             unsigned char cnt;
                             ret = perf_params.GetAfRmssiSamplesCnt(fd, cnt);
                             if(ret == FM_SUCCESS) {
                                ALOGE("Read af rmssi samples cnt: %hhd\n", cnt);
                             }else {
                                 ALOGE("Error in reading rmssi samples\n");
                             }
                         }
                         break;
                    case GOOD_CH_RMSSI_TH:
                         if((value >= GOOD_CH_RMSSI_TH_MIN)
                             && (value <= GOOD_CH_RMSSI_TH_MAX)) {
                             ALOGE("Set Good channle rmssi th: %d\n", value);
                             ret = perf_params.SetGoodChannelRmssiTh(fd, value);
                             if(ret == FM_FAILURE) {
                                ALOGE("Error in setting Good channle rmssi th\n");
                                break;
                             }
                             signed char th;
                             ret = perf_params.GetGoodChannelRmssiTh(fd, th);
                             if(ret == FM_SUCCESS) {
                                ALOGE("Read good channel rmssi th: %d\n", th);
                             }else {
                                ALOGE("Error in reading Good channle rmssi th\n");
                             }
                         }
                         break;
                   }
                 }else {
                   ALOGE("key_val for key: %s is empty\n",
                             *keys);
                 }
                 free(key_value);
              }
              keys++;
          }
       }else {
          ALOGE("No of keys found is zero\n");
       }
       free_strs(keys_cpy);
    }else {
       ALOGE("key file is null\n");
    }
}

void ConfigFmThs :: set_srch_ths
(
    UINT fd
)
{
    signed char ret = FM_SUCCESS;
    char **keys = NULL;
    char **keys_cpy = NULL;
    char *key_value = NULL;
    int value;
    FmPerformanceParams perf_params;
    struct NAME_MAP *found = NULL;

    if(keyfile != NULL) {
       keys_cpy = keys = get_keys(keyfile, GRPS_MAP[3].name);
       if(keys != NULL) {
          while(*keys != NULL) {
              found = (NAME_MAP *)bsearch(*keys, SEACH_PARAMS_MAP,
                           MAX_SRCH_PARAMS, sizeof(NAME_MAP), compare_name);
              if(found != NULL) {
                 key_value = get_value(keyfile, GRPS_MAP[2].name, found->name);
                 ALOGE("found srch ths: %s: %s\n", found->name, key_value);
                 if((key_value != NULL) && strcmp(key_value, "")) {
                    value = atoi(key_value);
                    switch(found->num) {
                    case SINR_FIRST_STAGE:
                         if((value >= SINR_FIRST_STAGE_MIN)
                             && (value <= SINR_FIRST_STAGE_MAX)) {
                             ALOGE("Set sinr first stage: %d\n", value);
                             ret = perf_params.SetSinrFirstStage(fd, value);
                             if(ret == FM_FAILURE) {
                                ALOGE("Error in setting sinr first stage\n");
                                break;
                             }
                             signed char th;
                             ret = perf_params.GetSinrFirstStage(fd, th);
                             if(ret == FM_SUCCESS) {
                                ALOGE("Read sinr first stage: %d\n", th);
                             }else {
                                ALOGE("Error in reading sinr first stage\n");
                             }
                         }
                         break;
                    case RMSSI_FIRST_STAGE:
                         if((value >= RMSSI_FIRST_STAGE_MIN)
                             && (value <= RMSSI_FIRST_STAGE_MAX)) {
                             ALOGE("Set rmssi first stage: %d\n", value);
                             ret = perf_params.SetRmssiFirstStage(fd, value);
                             if(ret == FM_FAILURE) {
                                ALOGE("Error in setting rmssi first stage\n");
                                break;
                             }
                             signed char th;
                             ret = perf_params.GetRmssiFirstStage(fd, th);
                             if(ret == FM_SUCCESS) {
                                ALOGE("Read rmssi first stage: %d\n", th);
                             }else {
                                ALOGE("Error in reading rmssi first stage\n");
                             }
                         }
                         break;
                    case INTF_LOW_TH:
                         if((value >= INTF_LOW_TH_MIN)
                             && (value <= INTF_LOW_TH_MAX)) {
                            ALOGE("Set intf low th: %d\n", value);
                            ret = perf_params.SetIntfLowTh(fd, value);
                            if(ret == FM_FAILURE) {
                                ALOGE("Error in setting intf low th\n");
                                break;
                            }
                            unsigned char th;
                            ret = perf_params.GetIntfLowTh(fd, th);
                            if(ret == FM_SUCCESS) {
                               ALOGE("Read intf low th: %u\n", th);
                            }else {
                               ALOGE("Error in reading intf low th\n");
                            }
                         }
                         break;
                    case INTF_HIGH_TH:
                         if((value >= INTF_HIGH_TH_MIN)
                             && (value <= INTF_HIGH_TH_MAX)) {
                            ALOGE("Set intf high th: %d\n", value);
                            ret = perf_params.SetIntfHighTh(fd, value);
                            if(ret == FM_FAILURE) {
                                ALOGE("Error in setting intf high th\n");
                                break;
                            }
                            unsigned char th;
                            ret = perf_params.GetIntfHighTh(fd, th);
                            if(ret == FM_SUCCESS) {
                               ALOGE("Read intf high th: %u\n", th);
                            }else {
                               ALOGE("Error in reading intf high th\n");
                            }
                         }
                         break;
                    case CF0_TH:
                         ALOGE("Set cf0 th: %d\n", value);
                         ret = perf_params.SetCf0Th12(fd, value);
                         if(ret == FM_FAILURE) {
                            ALOGE("Error in setting cf0 th\n");
                            break;
                         }
                         int th;
                         ret = perf_params.GetCf0Th12(fd, th);
                         if(ret == FM_SUCCESS) {
                            ALOGE("Read CF012 th: %d\n", th);
                         }else {
                            ALOGE("Error in reading cf0 th\n");
                         }
                         break;
                    case SRCH_ALGO_TYPE:
                         if((value >= SRCH_ALGO_TYPE_MIN)
                             && (value <= SRCH_ALGO_TYPE_MAX)) {
                             ALOGE("Set search algo type: %d\n", value);
                             ret = perf_params.SetSrchAlgoType(fd, value);
                             if(ret == FM_FAILURE) {
                                ALOGE("Error in setting search algo type\n");
                                break;
                             }
                             unsigned char algo;
                             ret = perf_params.GetSrchAlgoType(fd, algo);
                             if(ret == FM_SUCCESS) {
                                ALOGE("Read algo type: %u\n", algo);
                             }else {
                                ALOGE("Error in reading search algo type\n");
                             }
                         }
                         break;
                    case SINR_SAMPLES:
                         if((value >= SINR_SAMPLES_CNT_MIN)
                             && (value <= SINR_SAMPLES_CNT_MAX)) {
                             ALOGE("Set sinr samples count: %d\n", value);
                             ret = perf_params.SetSinrSamplesCnt(fd, value);
                             if(ret == FM_FAILURE) {
                                ALOGE("Error in setting sinr samples count\n");
                                break;
                             }
                             unsigned char cnt;
                             ret = perf_params.GetSinrSamplesCnt(fd, cnt);
                             if(ret == FM_SUCCESS) {
                                ALOGE("Read sinr samples cnt: %u\n", cnt);
                             }else {
                                ALOGE("Error in reading sinr samples count\n");
                             }
                         }
                         break;
                    case SINR:
                         if((value >= SINR_FINAL_STAGE_MIN)
                             && (value <= SINR_FINAL_STAGE_MAX)) {
                             ALOGE("Set final stage sinr: %d\n", value);
                             ret = perf_params.SetSinrFinalStage(fd, value);
                             if(ret == FM_FAILURE) {
                                ALOGE("Error in setting final stage sinr\n");
                                break;
                             }
                             signed char th;
                             ret = perf_params.GetSinrFinalStage(fd, th);
                             if(ret == FM_SUCCESS) {
                                ALOGE("Read final stage sinr: %d\n", th);
                             }else {
                                ALOGE("Error in reading final stage sinr\n");
                             }
                         }
                         break;
                    }
                 }else {
                    ALOGE("key_value for key: %s is empty\n",
                                  *keys);
                 }
                 free(key_value);
              }
              keys++;
          }
       }else {
          ALOGE("No of keys found is zero\n");
       }
       free_strs(keys_cpy);
    }else {
       ALOGE("key file is null\n");
    }
}

void ConfigFmThs :: set_hybrd_list
(
    UINT fd
)
{
    signed char ret = FM_SUCCESS;
    char **keys = NULL;
    char **keys_cpy = NULL;
    char *key_value = NULL;
    char *freqs = NULL;
    unsigned int *freqs_array = NULL;
    signed char *sinrs_array = NULL;
    char *sinrs = NULL;
    int value;
    unsigned int freq_cnt = 0;
    unsigned int sinr_cnt = 0;
    FmPerformanceParams perf_params;
    struct NAME_MAP *found;

    ALOGE("Inside hybrid srch list\n");
    if(keyfile != NULL) {
       keys_cpy = keys = get_keys(keyfile, GRPS_MAP[2].name);
       if(keys != NULL) {
          while(*keys != NULL) {
              found = (NAME_MAP *)bsearch(*keys, HYBRD_SRCH_MAP,
                           MAX_HYBRID_SRCH_PARAMS, sizeof(NAME_MAP), compare_name);
              if(found != NULL) {
                 key_value = get_value(keyfile, GRPS_MAP[1].name, found->name);
                 if((key_value != NULL) && strcmp(key_value, "")) {
                     switch(found->num) {
                     case FREQ_LIST:
                          freqs = key_value;
                          break;
                     case SINR_LIST:
                          sinrs = key_value;
                          break;
                     default:
                          free(key_value);
                          break;
                     }
                 }
              }
              keys++;
          }
          free_strs(keys_cpy);
       }else {
          ALOGE("No of keys found is zero\n");
       }
    }else {
       ALOGE("key file is null\n");
    }

    freq_cnt = extract_comma_sep_freqs(freqs, &freqs_array, ",");
    sinr_cnt = extract_comma_sep_sinrs(sinrs, &sinrs_array, ",");

    if((freq_cnt == sinr_cnt) && (sinr_cnt > 0)) {
       perf_params.SetHybridSrchList(fd, freqs_array, sinrs_array, freq_cnt);
    }

    free(freqs);
    free(sinrs);
    free(freqs_array);
    free(sinrs_array);
}

unsigned int ConfigFmThs :: extract_comma_sep_freqs
(
    char *freqs,
    unsigned int **freqs_arr,
    const char *str
)
{
    char *next_freq;
    char *saveptr;
    unsigned int freq;
    unsigned int *freqs_new_arr;
    unsigned int size = 0;
    unsigned int len = 0;

    next_freq = strtok_r(freqs, str, &saveptr);
    while(next_freq != NULL) {
          freq = atoi(next_freq);
          ALOGD("HYBRID_SRCH freq: %u\n", freq);
          if(size == len) {
             size <<= 1;
             if(size == 0)
                size = 1;
             freqs_new_arr = (unsigned int *)realloc(*freqs_arr,
                                              size * sizeof(unsigned int));
             if(freqs_new_arr == NULL) {
                free(*freqs_arr);
                *freqs_arr = NULL;
                break;
             }
             *freqs_arr = freqs_new_arr;
          }
          (*freqs_arr)[len] = freq;
          len++;
          next_freq = strtok_r(NULL, str, &saveptr);
    }
    return len;
}

unsigned int ConfigFmThs :: extract_comma_sep_sinrs
(
    char *sinrs,
    signed char **sinrs_arr,
    const char *str
)
{
    char *next_sinr;
    char *saveptr;
    signed char *sinrs_new_arr;
    unsigned int size = 0;
    unsigned int len = 0;
    signed char sinr;

    next_sinr = strtok_r(sinrs, str, &saveptr);
    while(next_sinr != NULL) {
          sinr = atoi(next_sinr);
          ALOGD("HYBRID_SRCH sinr: %d\n", sinr);
          if(size == len) {
             size <<= 1;
             if(size == 0)
                size = 1;
             sinrs_new_arr = (signed char *)realloc(*sinrs_arr,
                                               size * sizeof(signed char));
             if(sinrs_new_arr == NULL) {
                free(*sinrs_arr);
                *sinrs_arr = NULL;
                break;
             }
             *sinrs_arr = sinrs_new_arr;
          }
          (*sinrs_arr)[len] = sinr;
          len++;
          next_sinr = strtok_r(NULL, str,&saveptr);
    }
    return len;
}

void  ConfigFmThs :: SetRxSearchAfThs
(
    const char *file, UINT fd
)
{
    int index;
    struct NAME_MAP *found;
    char **grps = NULL;
    char **grps_cpy = NULL;

    keyfile = get_key_file();

    ALOGD("%s: file name is: %s\n", __func__, file);
    if(!parse_load_file(keyfile, file)) {
       ALOGE("Error in loading threshold file\n");
    }else {
       grps_cpy = grps = get_grps(keyfile);
       if(grps != NULL) {
          while(*grps != NULL) {
              ALOGE("Search grp: %s\n", *grps);
              found = (NAME_MAP *)bsearch(*grps, GRPS_MAP, MAX_GRPS,
                             sizeof(NAME_MAP), compare_name);
              if(found != NULL) {
                 ALOGE("Found group: %s\n", found->name);
                 switch(found->num) {
                 case AF_THS:
                      set_af_ths(fd);
                      break;
                 case SRCH_THS:
                      set_srch_ths(fd);
                      break;
                 case HYBRD_SRCH_LIST:
                      set_hybrd_list(fd);
                      break;
                 case BAND_CFG:
                      set_band_cfgs(fd);
                      break;
                 }
              }
              grps++;
          }
       }else {
          ALOGE("No of groups found is zero\n");
       }
       free_strs(grps_cpy);
    }
    free_key_file(keyfile);
    keyfile = NULL;
}