<?php

declare(strict_types=1);

namespace App\Http\Controllers\Api\V1;

use App\Enums\TechnologyCategory;
use App\Http\Controllers\Controller;
use App\Http\Requests\Api\V1\TechnologyRequest;
use App\Http\Resources\TechnologyResource;
use App\Models\Technology;
use App\Support\TranslatablePayload;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\AnonymousResourceCollection;

/**
 * The technologies the collective uses, and their place on the radar.
 *
 * Same rules as the panel: TechnologyPolicy refuses to delete one a project,
 * member or call still points at.
 */
class TechnologyController extends Controller
{
    /**
     * Filters: category, radar_ring (`none` for those off the radar), search.
     */
    public function index(Request $request): AnonymousResourceCollection
    {
        $this->authorize('viewAny', Technology::class);

        $technologies = Technology::query()
            ->with('logoMedia')
            ->withCount('projects')
            ->when($request->filled('category'), fn ($q) => $q->where('category', $request->string('category')))
            ->when($request->filled('radar_ring'), fn ($q) => $request->string('radar_ring')->toString() === 'none'
                ? $q->whereNull('radar_ring')
                : $q->where('radar_ring', $request->string('radar_ring')))
            ->when($request->filled('search'), fn ($q) => $q->where('name', 'like', '%'.$request->string('search').'%'))
            ->orderBy('position')
            ->orderBy('name')
            ->paginate(perPage: min($request->integer('per_page', 25), 100))
            ->withQueryString();

        return TechnologyResource::collection($technologies);
    }

    public function store(TechnologyRequest $request): JsonResponse
    {
        $this->authorize('create', Technology::class);

        $technology = new Technology;
        $technology->fill(TranslatablePayload::merge($technology, $request->validated(), $technology->translatable));
        // The column's default, and the panel's, stated here so the model
        // knows it too: otherwise the answer to a create without a category
        // would be missing the one the row was given.
        $technology->category ??= TechnologyCategory::Tool;
        $technology->save();

        return TechnologyResource::make($this->loaded($technology))->response()->setStatusCode(201);
    }

    public function show(Technology $technology): TechnologyResource
    {
        $this->authorize('view', $technology);

        return TechnologyResource::make($this->loaded($technology));
    }

    public function update(TechnologyRequest $request, Technology $technology): TechnologyResource
    {
        $this->authorize('update', $technology);

        $technology->fill(TranslatablePayload::merge($technology, $request->validated(), $technology->translatable));
        $technology->save();

        return TechnologyResource::make($this->loaded($technology));
    }

    public function destroy(Technology $technology): JsonResponse
    {
        $this->authorize('delete', $technology);

        $technology->delete();

        return response()->json(status: 204);
    }

    protected function loaded(Technology $technology): Technology
    {
        return $technology->load('logoMedia')->loadCount('projects');
    }
}