<?php
include('includes/config/config.php');
include('includes/functions.php');
include('log_entry.php');


$sql_ohc = "select ohc_type_id from ohc_type where `ohc_category`!='OHC' ";
if ($result_ohc = mysqli_query($GLOBALS['conn'], $sql_ohc)) {
    while ($row_ohc = mysqli_fetch_array($result_ohc)) {
        error_log("Running for shift update ----- Start Running shift ---- Update for OHC:" . $row_ohc['ohc_type_id']);
        shift_update($row_ohc['ohc_type_id']);
        error_log("Running for shift update end");
    }
} else {
    error_log("Failed to get ohc for shift update");
}

function shift_update($ohc)
{

    begin();

    // first checking if any shift is running or not
    $sql = "select a.*,date(a.start_date_time) as date from shift_status_details a where current_status='R' and ohc_location_id='" . $ohc . "'";
    $result = @mysqli_query($GLOBALS['conn'], $sql);

    error_log("rows counting for checking current running shift " . mysqli_num_rows($result));
    if (!$row = @mysqli_fetch_assoc($result)) {
        error_log("error in query " . mysqli_error($GLOBALS['conn']) . " query " . $sql);
        rollback();
    }
    $shift_detail_id = $row['shift_details_id'];
    $shift_running = $row['shift_id'];
    $shift_name = getFieldFromTable('status_name', 'shift_status', 'shift_status_id', $shift_running);
    $date = $row['record_date'];

    $next_shift = "";
    $next_shift_id = "";

    if (strtoupper($shift_name) == "A") {
        $next_shift = "B";
    } else if (strtoupper($shift_name == "B")) {
        $next_shift = "C";
    } else if (strtoupper($shift_name == "C")) {
        $next_shift = "A";
    }

    $next_shift_id = getFieldFromTable('shift_status_id', 'shift_status', 'status_name', $next_shift);

    error_log("shift id running already " . $shift_running . "  shift name " . $shift_name . "  date " . $date);

    error_log("next shift " . $next_shift . "  next shift id " . $next_shift_id);

    // if shift is running than close this shift and start next shift for that ohc and update the 
    // item shift stock
    if ($shift_running != '' || $shift_running != null || $shift_running != 0) {

        $query = "update shift_status_details set end_date_time=NOW(),current_status='C' where current_status='R' and ohc_location_id='" . $ohc . "' ";

        error_log("query for shift update " . $query);

        if (!$result = @mysqli_query($GLOBALS['conn'], $query)) {
            error_log("Failed to update Shift Status:" . mysqli_error($GLOBALS['conn']) . ".  Failed query:" . $query);
            rollback();
        }
        updateItemStockDispensaryShiftBalance($ohc, $shift_running, $date);

        // save communication details

        $start_date_time = getFieldFromTable('start_date_time', 'shift_status_details', 'shift_details_id', $shift_detail_id);

        $end_date_time = getFieldFromTable('end_date_time', 'shift_status_details', 'shift_details_id', $shift_detail_id);

        $data_arr = array();


        // for injury  
        $sql_injury = "select count(*) as total from employee_appointment where appointment_type = 'I' and date(appointment_date)>= date('$start_date_time') and time(appointment_date) between time('$start_date_time') and time('$end_date_time') and ohc_type_id='" . $ohc . "'";

        $result_sql_injury = @mysqli_query($GLOBALS['conn'], $sql_injury);

        error_log("sql_injury : " . $sql_injury);
        $row_injury = @mysqli_fetch_assoc($result_sql_injury);

        $injury_total = $row_injury['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Any AOD case"');

        $data_arr[$com_id] = $injury_total;
        // for opd 

        $sql_not_injury = "select count(*) as total from employee_appointment where appointment_type = 'O' and date(appointment_date)>= date('$start_date_time') and time(appointment_date) between time('$start_date_time') and time('$end_date_time') and ohc_type_id='" . $ohc . "'";

        $result_sql_not_injury = @mysqli_query($GLOBALS['conn'], $sql_not_injury);

        error_log("sql_not_injury: " . $sql_not_injury);
        $row_not_injury = @mysqli_fetch_assoc($result_sql_not_injury);

        $opd_total = $row_not_injury['total'];


        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Any OPD Case"');

        $data_arr[$com_id] =  $opd_total;

        // for detention
        $sql_serious = "select count(*) as total from employee_appointment where is_detention = 'Y' and date(appointment_date)>= date('$start_date_time') and time(appointment_date) between time('$start_date_time') and time('$end_date_time') and ohc_type_id='" . $ohc . "'";

        error_log("emergency_query:" . $sql_serious);
        $result_serious = mysqli_query($GLOBALS['conn'], $sql_serious);
        $row_serious = mysqli_fetch_array($result_serious);

        $detention_total = $row_serious['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Detention Case"');

        $data_arr[$com_id] =  $detention_total;

        // for referral
        $sql_referral = "select count(*) as total from employee_appointment where (referral!= '' and referral IS NOT NULL) and date(appointment_date)>= date('$start_date_time') and time(appointment_date) between time('$start_date_time') and time('$end_date_time') and ohc_type_id='" . $ohc . "'";
        $result_referral = mysqli_query($GLOBALS['conn'], $sql_referral);
        $row_referral = mysqli_fetch_array($result_referral);
        error_log("sql_referral" . $sql_referral);

        $referral_total = $row_referral['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Any Referral Cases"');

        $data_arr[$com_id] =  $referral_total;
        //for emergency 

        $sql_followup = "select count(*) as total from employee_appointment where IsEmergency= '1' and date(appointment_date)>= date('$start_date_time') and time(appointment_date) >= time('$start_date_time') and ohc_type_id='" . $ohc . "'";
        $result_followup = mysqli_query($GLOBALS['conn'], $sql_followup);
        $row_followup = mysqli_fetch_array($result_followup);

        error_log("serious : " . $sql_followup);

        $emergency_total = $row_followup['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Follow-up of serious/referred cases"');

        $data_arr[$com_id] = $emergency_total;

        // for fitness
        $sql_sickness1 = "select count(*) as total from sickness where fitness_status = 'APPROVED'  and date(sickness_date)>= date('$start_date_time') and time(sickness_date) between time('$start_date_time') and time('$end_date_time') and ohc_type_id='" . $ohc . "'";
        $result_sickness1 = mysqli_query($GLOBALS['conn'], $sql_sickness1);
        $row_sickness1 = mysqli_fetch_array($result_sickness1);
        error_log("sql_sickness1: " . $sql_sickness1);

        $fitness_total = $row_sickness1['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Fitness Certificate"');
        $data_arr[$com_id] = $fitness_total;

        // for health medical

        $sql_medical = "select count(*) as total from checkup_form where  date(checkup_date)>= date('$start_date_time') and time(checkup_date) between time('$start_date_time') and time('$end_date_time') and ohc_type_id='" . $ohc . "'";
        $result_medical  = mysqli_query($GLOBALS['conn'], $sql_medical);
        $row_medical  = mysqli_fetch_array($result_medical);

        error_log("sql_ime_long" . $sql_medical);

        $medical_total = $row_medical['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Health Surveillance"');
        $data_arr[$com_id] = $medical_total;

        // food handler
        $sql_food = "select count(*) as total from questionaire_master_response where  date(screen_date)>= date('$start_date_time') and time(screen_date) between time('$start_date_time') and time('$end_date_time')  and ohc_type_id='" . $ohc . "' and form_type='chs'";
        $result_food  = mysqli_query($GLOBALS['conn'], $sql_food);
        $row_food  = mysqli_fetch_array($result_food);

        error_log("sql_food" . $sql_food);

        $food_total = $row_food['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Food Handler"');

        $data_arr[$com_id] = $food_total;

        // kitchen
        $sql_kitchen = "select count(*) as total from questionaire_master_response where  date(screen_date)>= date('$start_date_time') and time(screen_date) between time('$start_date_time') and time('$end_date_time')  and ohc_type_id='" . $ohc . "' and form_type='khs'";
        $result_kitchen  = mysqli_query($GLOBALS['conn'], $sql_kitchen);
        $row_kitchen  = mysqli_fetch_array($result_kitchen);

        error_log("sql_kitchen" . $sql_kitchen);

        $kitchen_total = $row_kitchen['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Kitchen Hygiene"');

        $data_arr[$com_id] = $kitchen_total;
        // unfit cases
        $sql_sickness = "select count(*) as total from sickness where fitness_status != 'APPROVED'  and date(sickness_date)>= date('$start_date_time') and time(sickness_date) between time('$start_date_time') and time('$end_date_time') and ohc_type_id='" . $ohc . "'";
        $result_sickness = mysqli_query($GLOBALS['conn'], $sql_sickness);
        $row_sickness = mysqli_fetch_array($result_sickness);

        error_log("sql_sickness: " . $sql_sickness);

        $unfit_total = $row_sickness['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Any Unfit cases"');

        $data_arr[$com_id] = $unfit_total;

        // for covid
        $sql_covid = "select count(*) as total from covid_screening_details where date(test_date)>= date('$start_date_time') and time(last_modified) between time('$start_date_time') and time('$end_date_time')";
        $result_covid = mysqli_query($GLOBALS['conn'], $sql_covid);
        $row_covid = mysqli_fetch_array($result_covid);

        error_log("covid sql: " . $sql_covid);
        $covid_total = $row_covid['total'];

        $com_id = getTableFieldValue('communication', 'communication_id', 'com_item', '"Covid 19 Screening"');
        $data_arr[$com_id] = $covid_total;

        $keys = array_keys($data_arr);

        // now insert into table all data

        for ($i = 0; $i < sizeof($data_arr); $i++) {
            $insert_comm = "insert into communication_details set  communication_id ='" . $keys[$i] . "',shift_details_id = '".$shift_detail_id."' ,details ='" . $data_arr[$keys[$i]] . "',comm_date = now(),ohc_location_id='" . $ohc . "'  ";

            error_log("communication save query " . $insert_comm);

            if (!$result_comm = mysqli_query($GLOBALS['conn'], $insert_comm)) {
                error_log("error while saving communication details " . mysqli_error($GLOBALS['conn']));
                rollback();
            }
        }


        // end

        // now start the next shift for that ohc

        $start = "insert into shift_status_details set record_date=NOW(),shift_id='" . $next_shift_id . "',start_date_time=NOW(),current_status='R',ohc_location_id='" . $ohc . "' ";

        error_log("query for next shift start" . $query);

        if (!$result = mysqli_query($GLOBALS['conn'], $start)) {
            error_log("Failed to start new Shift:" . mysqli_error($GLOBALS['conn']) . ".  Failed query:" . $start);
            rollback();
        }
    } else {

        // no shift is running than compare curr time with all shifts start time and end time

        $query = "select * from shift_status where start_time <= CURTIME() AND end_time >= CURTIME()";
        $result = mysqli_query($GLOBALS['conn'], $query);
        $row = mysqli_fetch_assoc($result);
        $next_shift = $row['status_name'];
        $next_shift_id = $row['shift_status_id'];

        error_log("next shift " . $next_shift . "  next shift id " . $next_shift_id);

        $start = "insert into shift_status_details set record_date=NOW(),shift_id='" . $next_shift_id . "',start_date_time=NOW(),current_status='R',ohc_location_id='" . $ohc . "' ";

        error_log("query for starting a new shift when no shift is running " . $start);

        if (!$result = mysqli_query($GLOBALS['conn'], $start)) {
            error_log("Failed to start new Shift:" . mysqli_error($GLOBALS['conn']) . ".  Failed query:" . $start);
            rollback();
        }
    }


    commit();
}