<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\Map\InsLahan;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Gate;
use Carbon\Carbon;

class InspeksiLahanController extends Controller
{
  
    public function index(Request $request): JsonResponse
    {
        $size = $request->integer('size', 10);
        $query = InsLahan::query()->with(['lahan']); 

        if ($request->filled('search')) {
            $s = strtolower($request->search);
            $query->where(function($q) use ($s) {
                $q->whereRaw('lower(notes) like (?)', ["%{$s}%"])
                  ->orWhereRaw('lower(plant_cond) like (?)', ["%{$s}%"]);
            });
        }

        if ($request->filled('sort')) {
            $sort = $request->sort;
            $direction = str_starts_with($sort, '-') ? 'desc' : 'asc';
            $column = ltrim($sort, '-');
            $query->orderBy($column, $direction);
        } else {
            $query->latest();
        }

        return response()->json($query->paginate($size));
    }

    public function store(Request $request): JsonResponse
    {

        Gate::authorize('petani');

        $validated = $request->validate([
            'petani_id'   => 'required|exists:users,id',
            'lahan_id'    => 'required|exists:map_lahan,id',
            'air'         => 'nullable|string',
            'ph'          => 'nullable|numeric|between:0,14',
            'kelembapan'    => 'nullable|string',
            'temperature' => 'nullable|string',
            'plant_cond'  => 'nullable|string',
            'catatan'       => 'nullable|string',
            'foto_url'    => 'nullable|string',
            'sync_status' => 'nullable|string',
        ]);

        $today = Carbon::today();

        $inspeksi = InsLahan::updateOrCreate(
            [
                'petani_id'  => $validated['petani_id'],
                'lahan_id'   => $validated['lahan_id'],
                
                'created_at' => InsLahan::where('lahan_id', $validated['lahan_id'])
                                        ->whereDate('created_at', $today)
                                        ->exists() ? InsLahan::whereDate('created_at', $today)->first()->created_at : now()
            ],
            $validated
        );

        return response()->json([
            'message' => $inspeksi->wasRecentlyCreated ? 'Inspeksi baru berhasil dibuat' : 'Inspeksi hari ini berhasil diperbarui',
            'data' => $inspeksi
        ], $inspeksi->wasRecentlyCreated ? 201 : 200);
    }

    public function show(string $id): JsonResponse
    {
        $inspeksi = InsLahan::with('lahan')->findOrFail($id);
        return response()->json($inspeksi);
    }

    public function update(Request $request, string $id): JsonResponse
    {
        Gate::authorize('petani');
        $inspeksi = InsLahan::findOrFail($id);

        $validated = $request->validate([
            'kadar_air'         => 'nullable|string',
            'kelembapan'         => 'nullable|string',
            'temperatur'         => 'nullable|string',
            'ph'          => 'nullable|numeric|between:0,14',
            'plant_cond'  => 'nullable|string',
            'catatan'       => 'nullable|string',
            'foto_url'    => 'nullable|string',
        ]);

        $inspeksi->update($validated);
        return response()->json($inspeksi);
    }

    public function destroy(string $id): JsonResponse
    {
        Gate::authorize('petani');
        InsLahan::findOrFail($id)->delete();
        return response()->json(null, 204);
    }

    public function batchUpsert(Request $request): JsonResponse
    {
        Gate::authorize('petani');
        
        $request->validate([
            'inspections' => 'required|array',
            'inspections.*.lahan_id' => 'required',
            'inspections.*.petani_id' => 'required',
        ]);

        $dataToUpsert = [];
        foreach ($request->inspections as $item) {
            $dataToUpsert[] = [
                "petani_id"   => $item['petani_id'],
                "lahan_id"    => $item['lahan_id'],
                "air"         => $item['air'] ?? null,
                "ph"          => $item['ph'] ?? null,
                "humidity"    => $item['humidity'] ?? null,
                "temperature" => $item['temperature'] ?? null,
                "plant_cond"  => $item['plant_cond'] ?? null,
                "notes"       => $item['notes'] ?? null,
                "foto_url"    => $item['foto_url'] ?? null,
                "sync_status" => 'synced',
                "created_at"  => $item['created_at'] ?? now(),
                "updated_at"  => now(),
            ];
        }
        InsLahan::upsert($dataToUpsert, ['id'], [
            'air', 'ph', 'humidity', 'temperature', 'plant_cond', 'notes', 'foto_url', 'sync_status', 'updated_at'
        ]);

        return response()->json(['message' => 'Sinkronisasi batch berhasil'], 200);
    }
}