<?php

namespace App\Services\Admin;

use App\Models\Device;
use App\Models\MonitorMode;
use App\Models\{MeteorologicalDailyReport, MeteorologicalReport};
use App\Filters\Admin\DeviceFilter;
use Carbon\Carbon;
use App\Admin\Components;
/**
 * @method Device getModel()
 * @method Device|\Illuminate\Database\Query\Builder query()
 */
class DeviceService extends BaseService
{
    protected string $modelName = Device::class;

    protected array $withRelationships = ['factory'];

    protected string $modelFilterName = DeviceFilter::class;

    public function list()
    {
        $query = $this->listQuery();

        $items = (clone $query)->paginate(request()->input('perPage', 20))->items();
        $base = settings()->get('rtsp_url');
        if (request('_type') == Device::TYPE_MONITOR) {
            $history = request('_mode') === 'history';
            $date = explode(',', request('date'));
            $start = data_get($date, 0);
            $end = data_get($date, 1);
            foreach ($items as &$item) {
                $url = data_get($item->extends, $history ? 'rtsp_history' : 'rtsp_url');
                $src = null;
                if ($base && $url) {
                    // 查看历史监控
                    if ($history && $start && $end) {
                        $url .= '?start=' . date('Y-m-d', $start) . '&end=' . data('Y-m-d', $end);
                    }
                    $src = $base . base64_encode($url);
                }
                $item->src = $src;
            }
        }
        $total = (clone $query)->count();

        return compact('items', 'total');
    }

    /**
     * 根据时间，处理X轴横坐标
     */
    public function makeChartXkeys($startTime = null, $endTime = null){
        $diffDays = 0;
        $day = date('Y-m-d');
        $xKeys = [];
        if($startTime && $endTime){
            if($startTime == $endTime){//查询某一天
                $day = $startTime;
            }else{
                $startDay = Carbon::parse($startTime);
                $endDay = Carbon::parse($endTime);
                $diffDays = $startDay->diffInDays($endDay, false);
            }
        }

        $xKeys = [];
        if($diffDays){
            for ($i = 0; $i<=$diffDays; $i++) {
                $xKeys[] =(clone $startDay)->addDays($i)->startOfDay()->format('Y-m-d');
            }
        }else{
            //调整截至到当前小时
            $h = 23;
            if($day == date('Y-m-d')){
                $h = date('H');
            }
            for ($i = 0; $i < ($h+1); $i++) {
                $xKeys[] = str_pad($i, 2, '0', STR_PAD_LEFT).':00';
            }
        }

        return array($day, $diffDays, $xKeys);
    }

    public function getMonitorModeDeviceChartConfig($monitorMode, $startTime, $endTime, $columnNum = 3)
    {
        list($day, $diffDays, $xKeys) = $this->makeChartXkeys($startTime, $endTime);

        switch($monitorMode->type){
            case MonitorMode::TYPE_METEOROLOGICAL:
                $dayliyReportQuery = MeteorologicalDailyReport::query();
                $reportQuery = MeteorologicalReport::query();
                $fieldNameMap = MonitorMode::fieldMap(MonitorMode::TYPE_METEOROLOGICAL);
                $fieldUnitMap = MonitorMode::fieldUnitMap(MonitorMode::TYPE_METEOROLOGICAL);
            break;
        }
        $monitorMode->load('devices');
        $configData = $fieldMap = [];

        foreach($monitorMode->devices as $device){
            $_fields = explode(',', $device->pivot->fields);
            
            if($diffDays) {
                $modelQuery = $dayliyReportQuery->whereBetween('reported_at', [$startTime, $endTime]);
            }else{
                $modelQuery = $reportQuery->whereDate('reported_at', $day);
            }
            if($modelQuery){
                $datalist = $modelQuery->where('device_id', $device->id)->get()->keyBy('reported_at')->toArray();
            }

            //组装数据；
            foreach($_fields as $field){
                $_data = [];
                foreach($xKeys as $key){
                    if(!$diffDays) {
                        $key = date('Y-m-d').' '. $key.':00';
                    }else{
                        $key .= ' 00:00:00';
                    }
                    $_data[] = $datalist[$key][$field] ?? 0;
                }
                $fieldMap[$field] = [
                    'name' => $fieldNameMap[$field],
                    'unit' => $fieldUnitMap[$field],
                    'data' => $_data
                ];
            }
        }

        $k = 0;
        $chartArr = [];
        foreach($fieldMap as $key => $field){
            $k++;

            //特殊字段，特殊统计图；
            switch($field){
                //点状图;
                //柱状图
                default://折线图
                    $_chartCard = amisMake()->Card()->body(
                        amisMake()->Chart()->config(
                            Components::make()->chartLineBarConfig($field['name'], $xKeys, [
                                [
                                    'name'=> $field['name'],
                                    'type' => 'line',
                                    'data' => $field['data'],
                                    'color' => '#91CC75',
                                    'unit' => $field['unit']
                                ]
                            ])
                        )
                    );
                break;
            }
            
            if($k%$columnNum != 0){
                $_chartCard->className('m-r');
            }
            $chartArr[] = $_chartCard;
        }
        $i = 0;
        $len = round(count($chartArr)/$columnNum);
        for($i; $i<=$len; $i++){
            $configData[] = \amisMake()->grid()->columns([
                amisMake()->Flex()->items(array_splice($chartArr, 0, $columnNum)),
            ]);
        }

        return $configData;
    }
}