<?php
namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use App\Models\Sale;
use App\Support\ChartJsFormatter;

class AveragesController extends Controller
{
    public function salePriceByCounty(Request $request)
    {
        $range = $request->query('range', 'all');

        $query = Sale::selectRaw('property_county, AVG(sale_price) as avg_price')
            ->whereNotNull('sale_price');

        if ($range !== 'all') {
            $query->where('sale_date', '>=', $this->getDateRange($range));
        }

        $data = $query->groupBy('property_county')
            ->orderByDesc('avg_price')
            ->limit(20)
            ->get();

        return response()->json(
            ChartJsFormatter::barChart(
                $data->pluck('property_county'),
                [[
                    'label' => 'Avg Sale Price by County',
                    'data' => $data->pluck('avg_price')->map(fn($v) => (int) $v),
                    'backgroundColor' => 'rgba(54, 162, 235, 0.5)',
                    'borderColor' => 'rgba(54, 162, 235, 1)',
                ]]
            )
        );
    }

    public function salePriceByZip(Request $request)
    {
        $range = $request->query('range', 'all');

        $query = Sale::selectRaw('zip_postal_code, AVG(sale_price) as avg_price')
            ->whereNotNull('sale_price');

        if ($range !== 'all') {
            $query->where('sale_date', '>=', $this->getDateRange($range));
        }

        $data = $query->groupBy('zip_postal_code')
            ->orderByDesc('avg_price')
            ->limit(20)
            ->get();

        return response()->json(
            ChartJsFormatter::barChart(
                $data->pluck('zip_postal_code'),
                [[
                    'label' => 'Avg Sale Price by Zip Code',
                    'data' => $data->pluck('avg_price')->map(fn($v) => (int) $v),
                    'backgroundColor' => 'rgba(75, 192, 192, 0.5)',
                    'borderColor' => 'rgba(75, 192, 192, 1)',
                ]]
            )
        );
    }

    public function salePriceBySubtype(Request $request)
    {
        $range = $request->query('range', 'all');

        $query = Sale::selectRaw('property_sub_type, AVG(sale_price) as avg_price')
            ->whereNotNull('sale_price');

        if ($range !== 'all') {
            $query->where('sale_date', '>=', $this->getDateRange($range));
        }

        $data = $query->groupBy('property_sub_type')
            ->orderByDesc('avg_price')
            ->limit(20)
            ->get();

        return response()->json(
            ChartJsFormatter::barChart(
                $data->pluck('property_sub_type'),
                [[
                    'label' => 'Avg Sale Price by Property Sub-Type',
                    'data' => $data->pluck('avg_price')->map(fn($v) => (int) $v),
                    'backgroundColor' => 'rgba(255, 206, 86, 0.5)',
                    'borderColor' => 'rgba(255, 206, 86, 1)',
                ]]
            )
        );
    }

    public function salePriceByCity(Request $request)
    {
        $range = $request->query('range', 'all');

        $query = Sale::selectRaw('city, AVG(sale_price) as avg_price')
            ->whereNotNull('sale_price');

        if ($range !== 'all') {
            $query->where('sale_date', '>=', $this->getDateRange($range));
        }

        $data = $query->groupBy('city')
            ->orderByDesc('avg_price')
            ->limit(20)
            ->get();

        return response()->json(
            ChartJsFormatter::barChart(
                $data->pluck('city'),
                [[
                    'label' => 'Avg Sale Price by City',
                    'data' => $data->pluck('avg_price')->map(fn($v) => (int) $v),
                    'backgroundColor' => 'rgba(153, 102, 255, 0.5)',
                    'borderColor' => 'rgba(153, 102, 255, 1)',
                ]]
            )
        );
    }

    private function getDateRange(string $range)
    {
        return match ($range) {
            '6m' => Carbon::now()->subMonths(6),
            '12m' => Carbon::now()->subMonths(12),
            '2y' => Carbon::now()->subYears(2),
            '5y' => Carbon::now()->subYears(5),
            default => Carbon::minValue(),
        };
    }
}