<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Carbon;

class BadgePrintLog extends Model
{
    use HasFactory;
    protected $table = 'badge_print_logs';
    protected $primaryKey = 'id';
        public $timestamps = false; // matches CI model
    protected $fillable = [
        'user_id',
        'printed_by',
        'school_year',
        'printed_at',
        'role',
        'class_section_name',
        'copies',
    ];

    /**
     * Laravel version of CI4 logPrints()
     *
     * @param array      $userIds
     * @param int|null   $printedBy
     * @param string|null $schoolYear
     * @param array       $roleMap userId => role label
     * @param array       $classMap userId => class name
     * @param int         $copies
     * @return int rows inserted
     */
    public function logPrints(array $userIds, ?int $printedBy, ?string $schoolYear, array $roleMap = [], array $classMap = [], int $copies = 1): int
    {
        $now = Carbon::now('UTC')->toDateTimeString();
        $rows = [];

        foreach ($userIds as $uid) {
            $uid = (int)$uid;
            if ($uid <= 0) {
                continue;
            }

            $rows[] = [
                'user_id'            => $uid,
                'printed_by'         => $printedBy,
                'school_year'        => $schoolYear,
                'printed_at'         => $now,
                'role'               => (string)($roleMap[$uid] ?? ''),
                'class_section_name' => (string)($classMap[$uid] ?? ''),
                'copies'             => max(1, (int)$copies),
            ];
        }

        if (empty($rows)) {
            return 0;
        }

        try {
            DB::table($this->table)->insert($rows);
            return count($rows);
        } catch (\Throwable $e) {
            \Log::error("BadgePrintLog::logPrints failed: " . $e->getMessage());
            return 0;
        }
    }

    /**
     * Laravel version of CI4 getStatus()
     *
     * @param array       $userIds
     * @param string|null $schoolYear
     * @return array
     */
    public function getStatus(array $userIds, ?string $schoolYear = null): array
    {
        $userIds = array_values(array_unique(array_map('intval', array_filter($userIds))));
        if (empty($userIds)) {
            return [];
        }

        try {
            $query = DB::table($this->table . ' as l')
                ->selectRaw('
                    l.user_id,
                    COUNT(*) as prints,
                    MAX(l.printed_at) as last_printed_at,
                    MAX(l.printed_by) as last_printed_by
                ')
                ->whereIn('l.user_id', $userIds)
                ->groupBy('l.user_id');

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

            $rows = $query->get();
        } catch (\Throwable $e) {
            \Log::error("BadgePrintLog::getStatus failed: " . $e->getMessage());
            return [];
        }

        $result = [];
        foreach ($rows as $row) {
            $result[(int)$row->user_id] = [
                'count'            => (int)$row->prints,
                'last_printed_at'  => (string)$row->last_printed_at,
                'last_printed_by'  => $row->last_printed_by !== null ? (int)$row->last_printed_by : null,
            ];
        }

        return $result;
    }
}