<?php

namespace App\Services;

use App\Enums\DeviceType;
use App\Models\Device;
use App\Models\DeviceLog;
use App\Models\InsecticidalLampDailyReport;
use App\Models\InsecticidalLampReport;
use Illuminate\Support\Arr;
use Illuminate\Support\Carbon;

class YunFeiDeviceService
{
    /**
     * 创建设备报告
     */
    public function createReport(Device $device, Carbon $time): void
    {
        switch ($device->type) {
            case DeviceType::InsecticidalLamp:
                $this->createInsecticidalLampReport($device, $time);
                break;
        }
    }

    /**
     * 创建杀虫灯设备报告
     */
    protected function createInsecticidalLampReport(Device $device, Carbon $time): void
    {
        $reportedAt = $time->copy()->startOfHour();

        /** @var \Illuminate\Database\Eloquent\Collection */
        $logs = DeviceLog::where('device_id', $device->id)
            ->whereBetween('reported_at', [$reportedAt, $reportedAt->copy()->endOfHour()])
            ->oldest('reported_at')
            ->get();

        if ($logs->isEmpty()) {
            return;
        }

        $attributes = value(function ($logs) {
            $data = [
                'battery_vol' => ['sum' => 0, 'count' => 0],
                'charging_vol' => ['sum' => 0, 'count' => 0],
                'killed_num' => ['sum' => 0, 'count' => 0],
                'air_temperature' => ['sum' => 0, 'count' => 0],
                'air_humidity' => ['sum' => 0, 'count' => 0],
            ];

            /** @var \App\Models\DeviceLog */
            foreach ($logs as $log) {
                if (! is_array($log->data)) {
                    continue;
                }

                foreach ($data as $key => $item) {
                    switch ($key) {
                        // 电池电压
                        case 'battery_vol':
                            if (! is_null($bv = Arr::get($log->data, 'bv'))) {
                                $item['sum'] = bcadd($item['sum'], $bv, 2);
                                $item['count'] += 1;
                            }
                            break;

                        // 充电电压
                        case 'charging_vol':
                            if (! is_null($cv = Arr::get($log->data, 'cv'))) {
                                $item['sum'] = bcadd($item['sum'], $cv, 2);
                                $item['count'] += 1;
                            }
                            break;

                        // 杀虫数
                        case 'killed_num':
                            if (! is_null($ct = Arr::get($log->data, 'ct'))) {
                                $item['sum'] += $ct;
                                $item['count'] += 1;
                            }
                            break;

                        // 温度
                        case 'air_temperature':
                            if (! is_null($at = Arr::get($log->data, 'at'))) {
                                $item['sum'] = bcadd($item['sum'], $at, 2);
                                $item['count'] += 1;
                            }
                            break;

                        // 湿度
                        case 'air_humidity':
                            if (! is_null($ah = Arr::get($log->data, 'ah'))) {
                                $item['sum'] = bcadd($item['sum'], $ah, 2);
                                $item['count'] += 1;
                            }
                            break;
                    }

                    $data[$key] = $item;
                }
            }

            $attributes = [];

            foreach ($data as $key => $item) {
                if ($item['count'] > 0) {
                    if ($key === 'killed_num') {
                        $attributes[$key] = (int) $item['sum'];
                    } else {
                        $attributes[$key] = round(bcdiv($item['sum'], $item['count'], 2), 2);
                    }
                } else {
                    $attributes[$key] = null;
                }
            }

            return $attributes;
        }, $logs);

        /** @var \App\Models\InsecticidalLampReport */
        $insecticidalLampReport = InsecticidalLampReport::firstOrNew([
            'device_id' => $device->id,
            'reported_at' => $reportedAt,
        ], [
            'agricultural_base_id' => $device->agricultural_base_id,
        ]);

        $insecticidalLampReport->fill($attributes)->save();
    }

    /**
     * 创建设备每日报告
     */
    public function createDailyReport(Device $device, Carbon $time): void
    {
        switch ($device->type) {
            case DeviceType::InsecticidalLamp:
                $this->createInsecticidalLampDailyReport($device, $time);
                break;
        }
    }

    /**
     * 杀虫灯每日报告
     */
    protected function createInsecticidalLampDailyReport(Device $device, Carbon $date): void
    {
        /** @var \Illuminate\Database\Eloquent\Collection */
        $insecticidalLampReports = InsecticidalLampReport::where('device_id', $device->id)
            ->whereDate('reported_at', $date)
            ->oldest('reported_at')
            ->get();

        if ($insecticidalLampReports->isEmpty()) {
            return;
        }

        $attributes = value(function ($insecticidalLampReports) {
            $data = [
                'battery_vol' => ['sum' => 0, 'count' => 0],
                'charging_vol' => ['sum' => 0, 'count' => 0],
                'killed_num' => ['sum' => 0, 'count' => 0],
                'air_temperature' => ['sum' => 0, 'count' => 0],
                'air_humidity' => ['sum' => 0, 'count' => 0],
                'high_vol' => ['sum' => 0, 'count' => 0],
            ];

            foreach ($insecticidalLampReports as $insecticidalLampReport) {
                foreach ($data as $k => $item) {
                    if (is_null($v = $insecticidalLampReport->{$k})) {
                        continue;
                    }

                    $item['sum'] = bcadd($item['sum'], $v, 2);
                    $item['count']++;

                    $data[$k] = $item;
                }
            }

            $attributes = [];

            foreach ($data as $key => $item) {
                if ($item['count'] > 0) {
                    if ($key === 'killed_num') {
                        $attributes[$key] = (int) $item['sum'];
                    } else {
                        $attributes[$key] = round(bcdiv($item['sum'], $item['count'], 2), 2);
                    }
                } else {
                    $attributes[$key] = null;
                }
            }

            return $attributes;
        }, $insecticidalLampReports);

        /** @var \App\Models\InsecticidalLampDailyReport */
        $insecticidalLampDailyReport = InsecticidalLampDailyReport::firstOrNew([
            'device_id' => $device->id,
            'reported_at' => $date->format('Y-m-d'),
        ], [
            'agricultural_base_id' => $device->agricultural_base_id,
        ]);

        $insecticidalLampDailyReport->fill($attributes)->save();
    }
}