<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Http\Resources\WeightLogResource;
use App\Models\WeightLog;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class WeightLogController extends Controller
{
    public function index(): JsonResponse
    {
        $logs = Auth::user()->weightLogs()->orderBy('logged_at')->get();

        return response()->json(['data' => WeightLogResource::collection($logs)]);
    }

    public function store(Request $request): JsonResponse
    {
        $data = $request->validate([
            'weight_kg' => ['required', 'numeric', 'min:20', 'max:400'],
            'logged_at' => ['nullable', 'date', 'before_or_equal:today'],
        ]);

        $loggedAt = $data['logged_at'] ?? now()->toDateString();

        $entry = WeightLog::where('user_id', Auth::id())->whereDate('logged_at', $loggedAt)->first()
            ?? new WeightLog(['user_id' => Auth::id(), 'logged_at' => $loggedAt]);
        $entry->weight_kg = $data['weight_kg'];
        $entry->save();

        return response()->json(['weight_log' => new WeightLogResource($entry)], 201);
    }

    public function destroy(WeightLog $weightLog): JsonResponse
    {
        if ($weightLog->user_id !== Auth::id()) {
            abort(403);
        }

        $weightLog->delete();

        return response()->json(['message' => __('app.weight_log.deleted')]);
    }
}