<?php

namespace App\Http\Controllers;

use App\Models\QsoOverride;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
use Illuminate\Foundation\Validation\ValidatesRequests;
use Illuminate\Routing\Controller as BaseController;

class QsoOverrideController extends BaseController
{
    use AuthorizesRequests, ValidatesRequests;

    public function __construct()
    {
        // zápisové operace jen pro přihlášené
        $this->middleware('auth:sanctum')->only(['store', 'update', 'destroy']);
    }

    /**
     * Seznam override záznamů – lze filtrovat podle evaluation_run_id/log_qso_id.
     */
    public function index(Request $request): JsonResponse
    {
        $perPage = (int) $request->get('per_page', 100);

        $query = QsoOverride::query()
            ->with(['evaluationRun', 'logQso', 'forcedMatchedLogQso', 'createdByUser']);

        if ($request->filled('evaluation_run_id')) {
            $query->where('evaluation_run_id', (int) $request->get('evaluation_run_id'));
        }

        if ($request->filled('log_qso_id')) {
            $query->where('log_qso_id', (int) $request->get('log_qso_id'));
        }

        $items = $query->orderByDesc('id')->paginate($perPage);

        return response()->json($items);
    }

    /**
     * Vytvoření override záznamu.
     */
    public function store(Request $request): JsonResponse
    {
        $this->authorize('create', QsoOverride::class);

        $data = $this->validateData($request);
        if (! isset($data['created_by_user_id']) && $request->user()) {
            $data['created_by_user_id'] = $request->user()->id;
        }

        $item = QsoOverride::create($data);
        $item->load(['evaluationRun', 'logQso', 'forcedMatchedLogQso', 'createdByUser']);

        return response()->json($item, 201);
    }

    /**
     * Detail override záznamu.
     */
    public function show(QsoOverride $qsoOverride): JsonResponse
    {
        $qsoOverride->load(['evaluationRun', 'logQso', 'forcedMatchedLogQso', 'createdByUser']);

        return response()->json($qsoOverride);
    }

    /**
     * Aktualizace override záznamu.
     */
    public function update(Request $request, QsoOverride $qsoOverride): JsonResponse
    {
        $this->authorize('update', $qsoOverride);

        $data = $this->validateData($request, partial: true);

        $qsoOverride->fill($data);
        $qsoOverride->save();

        $qsoOverride->load(['evaluationRun', 'logQso', 'forcedMatchedLogQso', 'createdByUser']);

        return response()->json($qsoOverride);
    }

    /**
     * Smazání override záznamu.
     */
    public function destroy(QsoOverride $qsoOverride): JsonResponse
    {
        $this->authorize('delete', $qsoOverride);

        $qsoOverride->delete();

        return response()->json(null, 204);
    }

    protected function validateData(Request $request, bool $partial = false): array
    {
        $required = $partial ? 'sometimes' : 'required';

        return $request->validate([
            'evaluation_run_id' => [$required, 'integer', 'exists:evaluation_runs,id'],
            'log_qso_id' => [$required, 'integer', 'exists:log_qsos,id'],

            'forced_matched_log_qso_id' => ['sometimes', 'nullable', 'integer', 'exists:log_qsos,id'],
            'forced_status' => [
                'sometimes',
                'string',
                'in:AUTO,VALID,INVALID,NIL,DUPLICATE,BUSTED_CALL,BUSTED_EXCHANGE,OUT_OF_WINDOW',
            ],

            'forced_points' => ['sometimes', 'nullable', 'numeric'],
            'forced_penalty' => ['sometimes', 'nullable', 'numeric'],

            'reason' => ['sometimes', 'nullable', 'string', 'max:500'],
            'context' => ['sometimes', 'nullable', 'array'],

            'created_by_user_id' => ['sometimes', 'nullable', 'integer', 'exists:users,id'],
        ]);
    }
}