package Pricing;
#
# SPDX-License-Identifier: AGPL-3.0-or-later
# Copyright (c) Rainer Gümpelein, TeilRad GmbH
#
use strict;
use warnings;
use POSIX;
use CGI; # only for debugging
use Scalar::Util qw(looks_like_number);

use Lib::Config;
use Mod::Libenz;
use Mod::DBtank;
use Mod::Callib;
use Mod::Basework;
use Data::Dumper;

my $cf = new Config;
my $lb = new Libenz;
my $dbt = new DBtank;
my $cal = new Callib;
my $bw = new Basework;

sub new {
 my $class = shift;
 my $self = {};
 bless($self,$class);
 return $self;
}

my $dbh = "";

sub only_first_free(){
   my $self = shift;
   my $ctpos = shift;
   my %varenv = $cf->envonline();

   my $pref = {
        table           => "contenttrans",
        table_pos       => "contenttranspos",
        fetch           => "one",
	template_id     => "218",#Faktura tpl_id
	ca_id		=> "=::$ctpos->{ca_id}",
	c_id		=> "!=::$ctpos->{c_id}",
	#txt10           => "IN::('available','canceled')",
        int10           => "IN::('1','6')",
        "ct.close_time"      => "is::null",
        };
        $pref = { %$pref, time_range => "start_time >= '$ctpos->{start_time}' and start_time < '$ctpos->{end_time}' and start_time != end_time" };

 my $record =  $dbt->collect_post($dbh,$pref);
 return $record;

}

sub sharee_pricing(){
 my $self = shift;
 my $ctpos = shift;
 my $todo = shift;
 my %varenv = $cf->envonline();
 my $today4db = strftime("%Y-%m-%d %H:%M:%S",localtime(time));

 my $return = {};
 my $logging = {};
 $logging->{ID} = "c_id:$ctpos->{c_id}/ct_id:$ctpos->{ct_id}/ca_id:$ctpos->{ca_id}";

  my $computed_end_time = $ctpos->{end_time} || $today4db;
  $computed_end_time = $today4db if($ctpos->{int10} && $ctpos->{int10} == 3);

   my ($start_datetime,$end_datetime,$s_up,$e_up,$hours) = $cal->contenttranspos_dating($ctpos->{c_id},$ctpos->{start_time},"$computed_end_time","$today4db","");
   $logging->{hours_input} = $hours;
   $logging->{tariff} = "$ctpos->{txt04} - $ctpos->{int09}";
;
   my $bike_group = "$dbt->{operator}->{$varenv{dbname}}->{oprefix}$ctpos->{int12}" || "";
   my $days_pricemax = $ctpos->{int17} || 9;
   $logging->{days_pricemax} = $days_pricemax;

    my $price = 2; #FIXME to real val. must be not 0
    $price = sprintf('%.2f',$ctpos->{int02}) if($ctpos->{int02} && $ctpos->{int02} > 0);
    my $total = 0;

    #my $days_pricemax = "4.5";#TINK max 9,- € bike/day depends on 2,- €/hour
    #my $days_pricemax = 5;   #KonRad max 15,- € bike/day depends on 3,- €/hour
    my $days_hour4price = $days_pricemax / $price;
   $logging->{days_hour4price} = $days_hour4price;
    my $real_hours = $hours;

    if($ctpos->{int16} && $ctpos->{int16} > 0){#z.b. 30 Min/Gratis --> 0.5
     my $ctpos_freed = $self->only_first_free($ctpos);
     #Bsp 1h = 60min , 60*0,02 = 1,2min
     if(!$ctpos_freed->{c_id} || $real_hours <= 0.02){
      $hours -= $ctpos->{int16};
      $logging->{hours_freed} = $hours;
     }else{
      $logging->{hours_freed} = "Not freed because of (!$ctpos_freed->{c_id} && $ctpos->{int16} || $real_hours <= 0.02)";
     }
    }

      #If available then take saved hours
      if($ctpos->{int10} && $ctpos->{int10} == 1 && $todo eq "readonly"){
	if($ctpos->{int03} && $ctpos->{int03} > 0){
         $hours = $ctpos->{int03};
         $total = $hours * $price if(looks_like_number($hours) && looks_like_number($price));
	}else{
	 $hours = 0;
	 $total = 0;
	}
      }
      #jede angebrochene Std.
      elsif(looks_like_number($hours) && $hours > 0){
        if($days_hour4price > 0 && $hours >= $days_hour4price && $hours <= 24){
            $logging->{_hours_lower24} = "$days_hour4price > 0 && $hours >= $days_hour4price && $hours <= 24";
            $logging->{__hours_lower24} = $hours;
            $hours = $days_hour4price;
            $logging->{hours_lower24} = $hours;
        }
        elsif($days_hour4price > 0 && $hours >= 24){
            $logging->{hours_greate24} = "$days_hour4price > 0 && $hours >= 24";
            my $days = $hours / 24;
            my $days_int = $days;
            my $dez = 0;
            ($days_int,$dez) = split(/\./, $days) if($days =~ /\.\d/);
            my $days_hour = $days_int * 24;
            my $rest = $hours - $days_hour;
            $rest = $days_hour4price if($rest > $days_hour4price);
            $hours = ($days_int * $days_hour4price) + $rest;
            $logging->{hours_compute} = "$hours = ($days_int * $days_hour4price) + $rest";
         }

         $logging->{hours_preround} = $hours;
         $hours = $lb->round_half($hours);
         $logging->{hours_postround} = $hours;
         $total = $hours * $price if(looks_like_number($hours) && looks_like_number($price));
       }else{
         $hours = 0;
       }
       $total = sprintf('%.2f', $total);
       #Bsp 1h = 60min , 60*0,02 = 1,2min
       $hours = "0" if($real_hours <= 0.02);

       $return->{real_hours} = "$real_hours";
       $return->{computed_hours} = "$hours";
       $return->{unit_price} = "$price";
       $return->{total_price} = "$total";
       $return->{bike_group} = ["$bike_group"];


       $return->{station} = "$dbt->{operator}->{$varenv{dbname}}->{oprefix}$ctpos->{int04}";#TODO save with prefix
       $return->{uri_operator} = "$varenv{wwwhost}";#TODO, should be DB select
       $return->{bike} = "$dbt->{operator}->{$varenv{dbname}}->{oprefix}$ctpos->{barcode}";
       $return->{state} = "$dbt->{copri_conf}->{bike_state}->{$ctpos->{int10}}" || "";
       $return->{bike_charge} = "$ctpos->{int19}" if($ctpos->{int19});
       $return->{description} = "$ctpos->{txt01}";
       $return->{request_time} = "$ctpos->{itime}";
       $return->{start_time} = "$ctpos->{start_time}";
       $return->{end_time} = "$computed_end_time";
       $return->{system} = "Ilockit" if($ctpos->{int11} && $ctpos->{int11} == 2);
       $return->{system} = "sigo" if($ctpos->{int11} && $ctpos->{int11} == 3);

       if($ctpos->{int11}){
	#$return->{gps} = "$ctpos->{txt06}";#end_gps
	($return->{gps}->{latitude},$return->{gps}->{longitude}) = split(/,/,$ctpos->{txt06});

	#if($ctpos->{txt10} =~ /requested|occupied/)
	if($ctpos->{int10} == 2 || $ctpos->{int10} == 3){
          $return->{tariff_description}->{name} = "$ctpos->{txt04}";
          $return->{tariff_description}->{number} = "$ctpos->{int09}";
          $return->{tariff_description}->{eur_per_hour} = "$ctpos->{int02}" || "0";
          $return->{tariff_description}->{max_eur_per_day} = "$ctpos->{int17}" || "0";
          $return->{tariff_description}->{free_hours} = "$ctpos->{int16}" if($ctpos->{int16} && $ctpos->{int16} > 0);
          $return->{tariff_description}->{abo_eur_per_month} = "$ctpos->{int15}" if($ctpos->{int15} && $ctpos->{int15} > 0);
          $return->{tariff_description}->{track_info} = "Ich stimme der Speicherung (Tracking) meiner Fahrstrecke zwecks wissenschaftlicher Auswertung und Berechnung der CO2-Einsparung zu!" if($ctpos->{int25});
          $return->{tariff_description}->{operator_agb} = "Mit der Mietrad Anmietung wird folgender Betreiber <a href='$varenv{wwwhost}/site/agb.html' target='_blank'>AGB</a> zugestimmt (als Demo sharee AGB)." if($ctpos->{ca_id} == 1842 || $ctpos->{ca_id} == 5781);

	  $return->{Ilockit_GUID} = "$ctpos->{txt17}" if($ctpos->{int11} == 2);
	  $return->{Ilockit_ID} = "$ctpos->{txt18}" if($ctpos->{int11} == 2);
	  #$return->{gps} = "$ctpos->{txt06}";#start_gps
	  ($return->{gps}->{latitude},$return->{gps}->{longitude}) = split(/,/,$ctpos->{txt06});
          $return->{lock_state} = "locked" if($ctpos->{int20} == 1);
      	  $return->{lock_state} = "unlocked" if($ctpos->{int20} == 2);
      	  $return->{lock_state} = "locking" if($ctpos->{int20} == 3);
      	  $return->{lock_state} = "unlocking" if($ctpos->{int20} == 4);
	}
       }
       $bw->log("hour computed:",$logging,"");
 return $return;
}

#CO2 calculator
#Bsp Berechnungen:
#    Pkw:
#        Distanz * CO2-Emission Pkw / 100 km
#        8.760 km * 20 kg CO2 / 100 km = 1.752 kg CO2
#    Pedelec:
#        Distanz * CO2-Emission Pedelec / 100 km
#        10.950 km * 0,546 kg CO2 / 100 km = 62 kg CO2
#
#    Aus der Differenz zwischen der CO2-Emission Pkw und der CO2-Emission Pedelec ergibt sich das Einsparpotenzial:
#        1.752 kg CO2 – 62 kg CO2 = 1.690 kg CO2, also rund 1,7 t CO2 pro Jahr
#
sub co2calc {
 my $self = shift;
 my $ctpos = shift;
 my $co2diff = 0;

 my $co2pkw = $ctpos->{int26} * 20 / 100;
 my $co2ped = $ctpos->{int26} * 0.546 / 100;
 $co2diff = $co2pkw - $co2ped;
 $co2diff = sprintf('%.2f',$co2diff); 
 $co2diff =~ s/\./,/;

 return $co2diff;
}

#calculates sprit saving
sub sprit2calc {
 my $self = shift;
 my $ctpos = shift;

 my $einzel = $ctpos->{int02};
 my $menge = $ctpos->{int03};
 my $rabatt_val = $ctpos->{int07} || 0;
 my $gesamt = 0;
 if($rabatt_val != 0 && $einzel && $menge){
       my $rabatt_eur = $rabatt_val;
       #if int08 != 1 alias €
       $rabatt_eur = $einzel * $menge * $rabatt_val/100 if($ctpos->{int08} != 1);
        $gesamt = $einzel * $menge - $rabatt_eur;
 }elsif($einzel && $menge){
        $gesamt = $einzel * $menge;
 }

 my $sprit_price = 0;
 $sprit_price = $ctpos->{int26} * 0.3 if($ctpos->{int26} != 0);
 $sprit_price -= $gesamt;
 $sprit_price = sprintf('%.2f',$sprit_price); 
 $sprit_price =~ s/\./,/;

 return $sprit_price;
}


#computes position price and rabatt
sub price2calc {
 my $self = shift;
 my $ctpos = shift;

 my $gesamt = 0;
 my $rabatt = "";
 my $einzel = $ctpos->{int02};
 my $menge = $ctpos->{int03};
 my $rabatt_val = $ctpos->{int07} || 0;
 if($rabatt_val != 0 && $einzel && $menge){
       my $rabatt_eur = $rabatt_val;
       #if int08 != 1 alias €
       $rabatt_eur = $einzel * $menge * $rabatt_val/100 if($ctpos->{int08} != 1);
       $gesamt = $einzel * $menge - $rabatt_eur;
 }elsif($einzel && $menge){
       $gesamt = $einzel * $menge;
 }

 if($ctpos->{int07} && $ctpos->{int07} > 0 && $menge > 0){
        $rabatt = "-" . $ctpos->{int07};
        if($ctpos->{int08} == 1){
           $rabatt .= " €";
         }else{
           $rabatt =~ s/\.00//;
           $rabatt .= " %";
         }
  }

 return ($gesamt,$rabatt);
}
1;