<?php

namespace Modules\DomainFluctuation\App\Http\Controllers\Api\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Modules\DomainFluctuation\App\Http\Requests\StoreTermRequest;
use Modules\DomainFluctuation\App\Http\Resources\DomainFluctuationTermResource;
use Modules\DomainFluctuation\App\Models\DomainFluctuationTerm;
use Modules\DomainFluctuation\App\Models\TermFluctuationType;

class TermController extends Controller
{
    public function index(Request $request): JsonResponse
    {
        $perPage = (int) $request->input('per_page', 20);

        $terms = DomainFluctuationTerm::query()
            ->with('type')
            ->withCount('fluctuations')
            ->orderByDesc('id')
            ->paginate($perPage);

        return DomainFluctuationTermResource::collection($terms)->response();
    }

    public function show(int $id): JsonResponse
    {
        $term = DomainFluctuationTerm::with('type')->withCount('fluctuations')->find($id);

        if (! $term) {
            return response()->json([
                'success' => false,
                'message' => 'Không tìm thấy đợt khai báo',
            ], 404);
        }

        return response()->json([
            'success' => true,
            'data' => DomainFluctuationTermResource::make($term),
        ]);
    }

    public function store(StoreTermRequest $request): JsonResponse
    {
        $userId = (int) ($request->user()?->id ?? 0);
        $dto = $request->toDTO($userId);

        $term = DB::transaction(function () use ($dto, $request) {
            $term = DomainFluctuationTerm::create($dto->toArray());

            TermFluctuationType::create([
                'term_fluctuation_id' => $term->id,
                'type' => $request->input('type', 'vnnic_06'),
            ]);

            return $term->load('type');
        });

        return response()->json([
            'success' => true,
            'message' => 'Tạo đợt khai báo thành công',
            'data' => DomainFluctuationTermResource::make($term),
        ], 201);
    }

    public function update(int $id, StoreTermRequest $request): JsonResponse
    {
        $term = DomainFluctuationTerm::find($id);

        if (! $term) {
            return response()->json([
                'success' => false,
                'message' => 'Không tìm thấy đợt khai báo',
            ], 404);
        }

        DB::transaction(function () use ($term, $request) {
            $term->update($request->only(['term_name', 'description', 'date_create', 'status']));

            if ($request->filled('type')) {
                TermFluctuationType::updateOrCreate(
                    ['term_fluctuation_id' => $term->id],
                    ['type' => $request->input('type')],
                );
            }
        });

        return response()->json([
            'success' => true,
            'message' => 'Cập nhật đợt khai báo thành công',
            'data' => DomainFluctuationTermResource::make($term->fresh('type')),
        ]);
    }

    public function destroy(int $id): JsonResponse
    {
        $term = DomainFluctuationTerm::find($id);

        if (! $term) {
            return response()->json([
                'success' => false,
                'message' => 'Không tìm thấy đợt khai báo',
            ], 404);
        }

        $term->delete();

        return response()->json([
            'success' => true,
            'message' => 'Xoá đợt khai báo thành công',
        ]);
    }
}