<?php

namespace App\Http\Controllers\Api\Admin;

use App\Http\Controllers\Controller;
use App\Models\Jurusan;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;

class JurusanController extends Controller
{
    public function index(Request $request)
    {
        $perPage = (int) $request->input('per_page', 7);
        $perPage = in_array($perPage, [5, 7]) ? $perPage : 7;

        $search = trim((string) $request->input('search', ''));

        $query = Jurusan::query()->orderBy('id', 'desc');

        if ($search !== '') {
            $query->where(function ($q) use ($search) {
                $q->where('nama_jurusan', 'like', "%{$search}%")
                    ->orWhere('rumpun', 'like', "%{$search}%")
                    ->orWhere('prospek_karir', 'like', "%{$search}%");
            });
        }

        $jurusan = $query->paginate($perPage);

        return response()->json([
            'success' => true,
            'data' => $jurusan->items(),
            'current_page' => $jurusan->currentPage(),
            'last_page' => $jurusan->lastPage(),
            'per_page' => $jurusan->perPage(),
            'total' => $jurusan->total(),
            'from' => $jurusan->firstItem(),
            'to' => $jurusan->lastItem(),
        ], 200);
    }

    public function store(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'nama_jurusan' => 'required|string|max:255',
            'rumpun' => 'required|string',
        ]);

        if ($validator->fails()) {
            return response()->json(['success' => false, 'errors' => $validator->errors()], 422);
        }

        $jurusan = Jurusan::create($request->all());

        return response()->json([
            'success' => true,
            'message' => 'Jurusan berhasil ditambahkan',
            'data' => $jurusan
        ], 201);
    }

    public function show($id)
    {
        $jurusan = Jurusan::find($id);

        if (!$jurusan) {
            return response()->json(['success' => false, 'message' => 'Data tidak ditemukan'], 404);
        }

        return response()->json(['success' => true, 'data' => $jurusan], 200);
    }

    public function update(Request $request, $id)
    {
        $jurusan = Jurusan::find($id);

        if (!$jurusan) {
            return response()->json(['success' => false, 'message' => 'Data tidak ditemukan'], 404);
        }

        $jurusan->update($request->all());

        return response()->json([
            'success' => true,
            'message' => 'Jurusan berhasil diperbarui',
            'data' => $jurusan
        ], 200);
    }

    public function destroy($id)
    {
        $jurusan = Jurusan::find($id);

        if (!$jurusan) {
            return response()->json(['success' => false, 'message' => 'Data tidak ditemukan'], 404);
        }

        $jurusan->delete();

        return response()->json(['success' => true, 'message' => 'Jurusan berhasil dihapus'], 200);
    }
}