<?php

namespace App\Http\Controllers;

use App\Enums\MaterielType;
use App\Models\Materiel;
use App\Models\RiceShrimpFlow;
use App\Models\RiceShrimpIndustry;
use App\Models\RiceShrimpPrice;
use Illuminate\Http\Request;

class ChartController extends Controller
{
    /**
     * 稻虾价格趋势
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function riceShrimpPrice(Request $request)
    {
        $quarters = [
            1 => '1季度',
            2 => '2季度',
            3 => '3季度',
            4 => '4季度',
        ];

        $years = RiceShrimpPrice::select('year')
            ->groupBy('year')
            ->orderBy('year', 'desc')
            ->limit(3)
            ->get()
            ->pluck('year');

        $riceShrimpPrices = RiceShrimpPrice::query()
            ->whereIn('year', $years)
            ->get();

        $series = $riceShrimpPrices->groupBy('year')->map(function ($riceShrimpPrices, $year) use ($quarters) {
            $riceShrimpPrices = $riceShrimpPrices->mapWithKeys(fn ($item) => [$item['quarter'] => $item]);

            $data = [];

            foreach ($quarters as $key => $value) {
                $riceShrimpPrice = $riceShrimpPrices[$key] ?? null;
                $data[] = $riceShrimpPrice?->price;
            }

            return [
                'name' => $year,
                'data' => $data,
            ];
        });

        return [
            'x_axis' => array_values($quarters),
            'series' => $series->sortKeys()->values()->all(),
        ];
    }

    /**
     * 稻虾产业
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function riceShrimpIndustry(Request $request)
    {
        $riceShrimpIndustries = RiceShrimpIndustry::query()
            ->where('year', $request->query('year', date('Y')))
            ->get()
            ->mapWithKeys(fn ($item) => [$item['quarter'] => $item]);

        $quarters = [
            1 => '1季度',
            2 => '2季度',
            3 => '3季度',
            4 => '4季度',
        ];

        $areas = [];
        $productOutputs = [];
        $productValues = [];

        foreach ($quarters as $key => $value) {
            $riceShrimpIndustry = $riceShrimpIndustries[$key] ?? null;

            if ($riceShrimpIndustry) {
                $areas[] = bcdiv($riceShrimpIndustry->area, 1000, 2);
                $productOutputs[] = bcdiv($riceShrimpIndustry->product_output, 2000, 2);
                $productValues[] = bcdiv($riceShrimpIndustry->product_value, 10000, 2);;
            } else {
                $areas[] = null;
                $productOutputs[] = null;
                $productValues[] = null;
            }
        }

        return [
            'x_axis' => array_values($quarters),
            'series' => [
                [
                    'name' => '产值(万元)',
                    'data' => $productValues,
                ],
                [
                    'name' => '面积(千亩)',
                    'data' => $areas,
                ],
                [
                    'name' => '产量(吨)',
                    'data' => $productOutputs,
                ],
            ],
        ];
    }

    /**
     * 稻虾流向
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function riceShrimpFlow(Request $request)
    {
        $quarters = [
            1 => '1季度',
            2 => '2季度',
            3 => '3季度',
            4 => '4季度',
        ];

        $riceShrimpFlows = RiceShrimpFlow::query()
            ->where('year', $request->query('year', date('Y')))
            ->get();

        $series = $riceShrimpFlows->groupBy('area')->map(function ($riceShrimpFlows, $area) use ($quarters) {
            $riceShrimpFlows = $riceShrimpFlows->mapWithKeys(fn ($item) => [$item['quarter'] => $item]);

            $data = [];

            foreach ($quarters as $key => $value) {
                $riceShrimpFlow = $riceShrimpFlows[$key] ?? null;
                $data[] = $riceShrimpFlow?->sales;
            }

            return [
                'name' => $area,
                'data' => $data,
            ];
        });

        return [
            'x_axis' => array_values($quarters),
            'series' => $series->values()->all(),
        ];
    }

    /**
     * 大宗物资
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function materiel(Request $request)
    {
        $quarters = [
            1 => '1季度',
            2 => '2季度',
            3 => '3季度',
            4 => '4季度',
        ];

        $materiels = Materiel::query()
            ->where('year', $request->query('year', date('Y')))
            ->where('type', $request->query('type', MaterielType::Fodder))
            ->latest('id')
            ->get();

        $series = $materiels->groupBy('name')->map(function ($materiels, $name) use ($quarters) {
            $materiels = $materiels->mapWithKeys(fn ($item) => [$item['quarter'] => $item]);

            $data = [];
            $diffs = [];

            foreach ($quarters as $key => $value) {
                $materiel = $materiels[$key] ?? null;

                $data[] = $materiel?->lowest_price;
                $diffs[] = $materiel ? ($materiel->highest_price - $materiel->lowest_price) : null;
            }

            return [
                'name' => $name,
                'data' => $data,
                'diffs' => $diffs,
            ];
        });

        return [
            'x_axis' => array_values($quarters),
            'series' => $series->values()->all(),
        ];
    }
}