<?php

class Chartv2 extends MY_Controller
{
    var $url_renderer;
    function __construct()
    {
        parent::__construct();
        $this->url_renderer = "http://devkedungdoro.aplikasi.web.id:3000/chart";
    }

    function all($sdate,$edate)
    {
        // $sql = "SELECT project_name, sum(unit_amount) as s_hour
        // FROM one_support.odoo_timesheet
        // WHERE date_trx BETWEEN '{$sdate}' AND '{$edate}'";
        
        // get total hour and employee between start and end date
        $sql = "SELECT
        COUNT(employee_name) as n_employee,
        IFNULL(SUM(s_hour), 0) as total
        FROM
        (SELECT employee_name,
        project_name, sum(unit_amount) as s_hour
        FROM one_support.odoo_timesheet
        WHERE 
        date_trx BETWEEN '{$sdate}' AND '{$edate}'
        GROUP BY employee_name
        ) as x";

        $qry = $this->db->query($sql);
        $this->check_error($qry, "get project_name");
        $rows = $qry->result_array();
        if (count($rows) == 0) {
            $this->chart_error("No data found");
        }

        // get total weekdays between start and end date
        $sql_weekdays = "SELECT
        COUNT(day_code) as tot_weekday
        FROM
        (SELECT
        WEEKDAY(date_trx) as day_code
        FROM 
        one_support.odoo_timesheet
        WHERE 
        date_trx BETWEEN '{$sdate}' AND '{$edate}'
        GROUP BY date_trx
        ) as x
        WHERE x.day_code != 6 AND x.day_code != 5";

        $wk_qry = $this->db->query($sql_weekdays);
        $this->check_error($wk_qry, "get project_name");
        $row_wk = $wk_qry->result_array();
        if (count($row_wk) == 0) {
            $this->chart_error("No data found");
        }

        // calc percentage total hour / n_weekday * 8 * n_employee
        $week_hour = $row_wk[0]['tot_weekday'] * 8 * $rows[0]['n_employee'];
        $value = ($rows[0]['total'] / $week_hour) * 100;
        $formatted = number_format($value, 2, '.', '');

        $option = [
            'series' => [
                [
                    'type' => 'gauge',
                    'max' => 150,
                    'splitNumber' => 15,
                    'radius' => '97%',
                    'center' => ['50%', '57%'],
                    'axisLine' => [
                        'lineStyle' => [
                            'width' => 25,
                            'color' => [
                                [0.2, '#27CF2F'],
                                [0.8, '#37a2da'],
                                [1, '#fd666d']
                            ]
                        ]
                    ],
                    'pointer' => [
                        'itemStyle' => [
                            'color' => 'auto'
                        ]
                    ],
                    'axisTick' => [
                        'distance' => -30,
                        'length' => 8,
                        'lineStyle' => [
                            'color' => '#fff',
                            'width' => 2
                        ]
                    ],
                    'splitLine' => [
                        'distance' => -30,
                        'length' => 30,
                        'lineStyle' => [
                            'color' => '#fff',
                            'width' => 4
                        ]
                    ],
                    'axisLabel' => [
                        'color' => 'inherit',
                        'distance' => 40,
                        'fontSize' => 15
                    ],
                    'title' => [
                        'offsetCenter' => [0, '55%'],
                        'fontSize' => 15,
                    ],
                    'detail' => [
                        'valueAnimation' => true,
                        'color' => 'inherit',
                        'formatter' => '{value} %',
                        'fontSize' => 18,
                        'offsetCenter' => ['0%', '70%']
                    ],
                    'data' => [
                        [
                            'name' => 'Percent Hour',
                            'value' => $formatted,
                        ]
                    ]
                ]
            ]
        ];

        // 3. encapsulate in config attribute and json encode
        $config = ["config" => $option];
        $j_param = json_encode($config);
        header("Content-Type: image/png");
        // 4. post to chart renderer
        echo $this->post($this->url_renderer, $j_param);
    }

    function project_group($sdate,$edate)
    {
        $sql = "SELECT project_name, sum(unit_amount) as s_hour
        FROM one_support.odoo_timesheet
        WHERE date_trx BETWEEN '{$sdate}' AND '{$edate}'
        GROUP BY project_name
        ORDER BY s_hour DESC";
        $qry = $this->db->query($sql);
        $this->check_error($qry, "get project_name");
        $rows = $qry->result_array();
        if (count($rows) == 0) {
            $this->chart_error("No data found");
        }
        
        $param = array(
            'tooltip' => array(
                'trigger' => 'item',
                'formatter' => '{b}: {c} ({d}%)'
            ),
            'legend' => array(
                'orient' => 'vertical',
                'right' => '10%',
                'top' => 'center'
            ),
            'series' => array(
                array(
                    'name' => 'Access From',
                    'type' => 'pie',
                    'radius' => '70%',
                    'center' => ['40%', '50%'],
                    'labelLine' => array(
                        'show' => false
                    ),
                    'label' => array(
                        'show' => true,
                        'position' => 'inside',
                        'formatter' => '{d}%',
                        'backgroundColor' => 'rgba(0, 0, 0, 0.5)',
                        'borderRadius' => 5,
                        'padding' => 4,
                        'color' => '#fff'
                    ),
                    'itemStyle' => array(
                        'normal' => array(
                            'shadowBlur' => 20,
                            'shadowOffsetX' => 0,
                            'shadowColor' => 'rgba(0, 0, 0, 0.5)'
                        )
                    ),
                    'emphasis' => array(
                        'itemStyle' => array(
                            'shadowBlur' => 30,
                            'shadowOffsetX' => 0,
                            'shadowColor' => 'rgba(0, 0, 0, 0.7)'
                        )
                    ),
                    'data' => array()
                )
            )
        );

        $other_val = 0.0;
        for ($i = 0; $i < count($rows); $i++) {
            if ($i <= 3) {
                $param['series'][0]['data'][] = array(
                    'value' => $rows[$i]['s_hour'],
                    'name' => $rows[$i]['project_name'],
                );   
            } else {
                $other_val = $other_val + $rows[$i]['s_hour'];
            }
        }
        $param['series'][0]['data'][] = array(
            'value' => $other_val,
            'name' => 'Others',
        );

        // 3. encapsulate in config attribute and json encode
        $config = ["config" => $param];
        $j_param = json_encode($config);
        header("Content-Type: image/png");
        // 4. post to chart renderer
        echo $this->post($this->url_renderer, $j_param);
    }

    function staff($sdate,$edate,$employee_id)
    {
        // 1. prepare the data using sql
        $sql = "SELECT COUNT(*) AS total, employee_name, SUM(unit_amount) as unit_amount,project_name
        FROM one_support.odoo_timesheet
        WHERE date_trx BETWEEN '{$sdate}' AND '{$edate}'
        AND employee_id = {$employee_id}
        GROUP BY project_name";

        $qry_total_data = $this->db->query($sql, [$id]);
        $this->check_error($qry_total_data, "get xTotalAll mcu");
        $rows = $qry_total_data->result_array();
        if (count($rows) == 0) {
            $this->chart_error("No data found");
        }

        // $rows = array(

        //fungsi mengatur pembagian label / text
        function wrapText($text, $maxLength)
        {
            return wordwrap($text, $maxLength, "\n", true); // Memecah teks menjadi beberapa baris dengan panjang maksimum dan menggunakan newline sebagai pemisah
        }

        // 2. generate parameter for the chart
        $color = ['#36A2EB', '#FF5733', '#FFC300',  '#4BC0C0', '#9966FF'];

        // Mendapatkan nilai unik dari 'project_name' dan 'employee_name' serta mengatur ulang indeks array
        $uniqueProjects = array_values(array_unique(array_column($rows, 'project_name')));
        $uniqueStaffs = array_values(array_unique(array_column($rows, 'employee_name')));

        $param = array(
            'title' => array(
                'text' => 'Project By Staff',
                'left' => 'center', // Menempatkan legend di tengah secara horizontal,
                'top' => 'top',
                'orient' => 'vertical'
            ),
            'dataset' => array(
                'source' => array(
                    array('score', 'amount', 'product'),
                )
            ),
            //menampilkan nama bagian tiap-tiap chart
            'legend' => array(
                'data' => $uniqueProjects,
                'left' => 'center',
                'bottom' => 'bottom',
                'orient' => 'horizontal'
            ),
            'grid' => array('containLabel' => true),
            'yAxis' => array('type' => 'value'),
            'xAxis' => array(
                'type' => 'category',
                'axisTick' => array('show' => false),
                'data' => $uniqueStaffs,
            ),
            'visualMap' => array(
                'orient' => 'horizontal',
                'show' => false,
                'left' => 'center',
                'min' => 0,
                'max' => 100,
                'dimension' => 0,
                'inRange' => array(
                    // 'color' => array('#0000FF', '#00eaf2', '#035bff')
                )
            ),
            'series' => array()
        );

        // Memetakan warna tiap bar sesuai dengan kategori project_name
        $colorMapping = array();
        foreach ($uniqueProjects as $index => $project_name) {
            $colorMapping[$project_name] = $color[$index % count($color)]; // Menggunakan modulus untuk memastikan palet warna diulang jika jumlah kategori lebih banyak daripada warna yang tersedia
        }

        foreach ($uniqueProjects as $project_name) {
            $data = array_fill(0, count($uniqueStaffs), null);  // Inisialisasi data untuk setiap lokasi
            foreach ($rows as $row) {
                if ($row['project_name'] == $project_name) {
                    // Menemukan indeks lokasi dalam $uniqueStaffs
                    $employee_nameIndex = array_search($row['employee_name'], $uniqueStaffs);
                    if ($employee_nameIndex !== false) {
                        $data[$employee_nameIndex] = $row['unit_amount'] ?? 0; // Handling null values
                    }
                }
            }

            $param['series'][] = array(
                'name' => $project_name,
                'type' => 'bar',
                'barGap' => 0.5,
                'label' => array(
                    'show' => true,
                    'position' => 'top',
                    'distance' => 25,
                    'fontSize' => 12, // Menyesuaikan ukuran font
                    'formatter' => '', // Menggunakan formatter untuk memisahkan baris
                    'rich' => array('name' => array()),
                ),
                'itemStyle' => array( // Menentukan gaya item untuk bar, termasuk warnanya
                    'color' => $colorMapping[$project_name]
                ),
                'data' => $data
            );
        }


        // 3. encapsulate in config attribute and json encode
        $config = ["config" => $param];
        $j_param = json_encode($config);

        // echo $j_param;

        header("Content-Type: image/png");
        // 4. post to chart renderer
        echo $this->post($this->url_renderer, $j_param);
    }
    function check_error($qry, $stage)
    {
        if (!$qry) {
            $errMsg = $stage . "<br/>" . $this->db->error()["messge"];
            print_r($errMsg);
            $this->chart_error($errMsg);
        }
    }
    function chart_error($msg)
    {
        $param = array(
            'title' => array(
                'show' => true,
                'textStyle' => array(
                    'color' => 'grey',
                    'fontSize' => 20
                ),
                'text' => $msg,
                'left' => 'center',
                'top' => 'center'
            ),
            'xAxis' => array(
                'show' => false
            ),
            'yAxis' => array(
                'show' => false
            ),
            'series' => array()
        );
        header("Content-Type: image/png");
        $config = ["config" => $param];
        $j_param = json_encode($config);
        echo $this->post($this->url_renderer, $j_param);
        exit;
    }

    function post($url, $data)
    {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
        curl_setopt($ch, CURLOPT_TIMEOUT, j120);
        curl_setopt($ch, CURLOPT_HTTPHEADER, [
            "Content-Type: application/json",
            "Content-Length: " . strlen($data),
        ]);
        $result = curl_exec($ch);
        if (curl_errno($ch) > 0) {
            return [
                "status" => "ERR",
                "message" => curl_error($ch),
            ];
        }
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        if ($httpCode != 200) {
            return [
                "status" => "ERR",
                "message" => "Http Response : $httpCode",
            ];
        }
        return $result;
    }
    function getMaxValue($value) {
        $multiple = 150;
        return ceil($value / $multiple) * $multiple;
    }
    
}