<?php

namespace Modules\Platform\app\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Illuminate\View\View;
use Modules\Platform\app\Models\PlatformPrice;

class PlatformPriceController extends Controller
{
    private const MIN_ZERO = self::MIN_ZERO;

    /**
     * Display the customer-facing platform pricing cards.
     */
    public function publicIndex(): View
    {
        return view('platform::prices.public', [
            'prices' => PlatformPrice::query()
                ->where('is_active', true)
                ->ordered()
                ->get(),
        ]);
    }

    /**
     * Display platform prices in a card grid with administration actions.
     */
    public function index(): View
    {
        return view('platform::prices.index', [
            'prices' => PlatformPrice::ordered()->get(),
        ]);
    }

    /**
     * Show the create price form.
     */
    public function create(): View
    {
        return view('platform::prices.create', [
            'price' => new PlatformPrice([
                'currency' => 'gbp',
                'sort_order' => 40,
                'is_active' => true,
                'features' => [],
            ]),
        ]);
    }

    /**
     * Store a new platform price.
     */
    public function store(Request $request): RedirectResponse
    {
        PlatformPrice::create($this->validatedPriceData($request));

        return redirect()->route('platform.prices.index')->with('status', 'Price created.');
    }

    /**
     * Show the edit price form.
     */
    public function edit(PlatformPrice $price): View
    {
        return view('platform::prices.edit', [
            'price' => $price,
        ]);
    }

    /**
     * Update an existing platform price.
     */
    public function update(Request $request, PlatformPrice $price): RedirectResponse
    {
        $price->update($this->validatedPriceData($request, $price));

        return redirect()->route('platform.prices.index')->with('status', 'Price updated.');
    }

    /**
     * Delete a platform price.
     */
    public function destroy(PlatformPrice $price): RedirectResponse
    {
        $price->delete();

        return redirect()->route('platform.prices.index')->with('status', 'Price deleted.');
    }

    /**
     * Validate and normalise price request data.
     *
     * @return array<string, mixed>
     */
    private function validatedPriceData(Request $request, ?PlatformPrice $price = null): array
    {
        $data = $request->validate([
            'code' => ['nullable', 'string', 'max:40', 'unique:platform_prices,code,' . ($price?->id ?? 'NULL')],
            'name' => ['required', 'string', 'max:255'],
            'strapline' => ['nullable', 'string', 'max:255'],
            'description' => ['nullable', 'string', 'max:2000'],
            'monthly_amount' => ['required', 'numeric', self::MIN_ZERO, 'max:999999.99'],
            'annual_amount' => ['nullable', 'numeric', self::MIN_ZERO, 'max:999999.99'],
            'currency' => ['required', 'string', 'size:3'],
            'badge_label' => ['nullable', 'string', 'max:60'],
            'features' => ['nullable', 'string', 'max:4000'],
            'sort_order' => ['required', 'integer', self::MIN_ZERO, 'max:65535'],
            'is_featured' => ['nullable', 'boolean'],
            'is_active' => ['nullable', 'boolean'],
        ]);

        $data['code'] = Str::slug($data['code'] ?: $data['name']);
        $data['monthly_amount'] = (int) round(((float) $data['monthly_amount']) * 100);
        $data['annual_amount'] = $data['annual_amount'] === null || $data['annual_amount'] === ''
            ? null
            : (int) round(((float) $data['annual_amount']) * 100);
        $data['currency'] = strtolower($data['currency']);
        $data['features'] = collect(preg_split('/\r\n|\r|\n/', (string) ($data['features'] ?? '')))
            ->map(fn (string $feature): string => trim($feature))
            ->filter()
            ->values()
            ->all();
        $data['is_featured'] = $request->boolean('is_featured');
        $data['is_active'] = $request->boolean('is_active');

        return $data;
    }
}