<?php

namespace App\Http\Controllers\Api;

use App\Models\Configuration;
use App\Models\LateSlipLog;
use Symfony\Component\HttpFoundation\Response;

class LateSlipLogsController extends BaseApiController
{
    protected LateSlipLog $log;
    protected Configuration $config;

    public function __construct()
    {
        parent::__construct();
        $this->log = model(LateSlipLog::class);
        $this->config = model(Configuration::class);
    }

    /**
     * GET /api/v1/late-slip-logs
     * Get paginated late slip logs with optional filters
     */
    public function index()
    {
        $defaultYear = (string) ($this->config->getConfig('school_year') ?? '');
        $defaultSem = (string) ($this->config->getConfig('semester') ?? '');

        $schoolYear = trim((string) ($this->request->getGet('school_year') ?? $defaultYear));
        $semester = trim((string) ($this->request->getGet('semester') ?? $defaultSem));
        $q = trim((string) ($this->request->getGet('q') ?? ''));
        $dateFrom = trim((string) ($this->request->getGet('date_from') ?? ''));
        $dateTo = trim((string) ($this->request->getGet('date_to') ?? ''));

        $page = max(1, (int) ($this->request->getGet('page') ?? 1));
        $perPage = min(200, max(1, (int) ($this->request->getGet('per_page') ?? 20)));

        // Normalize dates to Y-m-d for filtering
        $toDbDate = static function (?string $s): ?string {
            $s = trim((string) $s);
            if ($s === '') {
                return null;
            }
            $ts = strtotime($s);
            return $ts ? date('Y-m-d', $ts) : null;
        };

        $df = $toDbDate($dateFrom);
        $dt = $toDbDate($dateTo);

        try {
            $query = $this->log->newQuery();

            if ($schoolYear !== '') {
                $query->where('school_year', $schoolYear);
            }

            if ($semester !== '') {
                $query->where('semester', $semester);
            }

            if ($q !== '') {
                $query->like('student_name', $q);
            }

            if ($df) {
                $query->where('slip_date >=', $df);
            }

            if ($dt) {
                $query->where('slip_date <=', $dt);
            }

            $result = $this->paginate($query->orderBy('id', 'DESC'), $page, $perPage);

            return $this->success([
                'logs' => $result['data'],
                'pagination' => $result['pagination'],
                'filters' => [
                    'school_year' => $schoolYear,
                    'semester' => $semester,
                    'q' => $q,
                    'date_from' => $dateFrom,
                    'date_to' => $dateTo,
                ],
            ], 'Late slip logs retrieved successfully');
        } catch (\Throwable $e) {
            log_message('error', 'Late slip logs index error: ' . $e->getMessage());
            return $this->respondError('Failed to retrieve late slip logs', Response::HTTP_INTERNAL_SERVER_ERROR);
        }
    }

    /**
     * GET /api/v1/late-slip-logs/{id}
     * Get a single late slip log by ID
     */
    public function show($id = null)
    {
        $log = $this->log->find($id);
        if (!$log) {
            return $this->error('Late slip log not found', Response::HTTP_NOT_FOUND);
        }

        return $this->success($log, 'Late slip log retrieved successfully');
    }
}