<?php

namespace Modules\Webstatement\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Modules\Webstatement\Models\PrintStatementLog;
use Modules\Basicdata\Models\Branch;
use Modules\Webstatement\Jobs\SendStatementEmailJob;

/**
 * Controller untuk mengelola log pengiriman statement email
 * Mendukung log untuk pengiriman per rekening, per cabang, atau seluruh cabang
 */
class EmailStatementLogController extends Controller
{
    public function index(Request $request)
    {
        Log::info('Accessing email statement log index page', [
            'user_id' => auth()->id(),
            'ip_address' => $request->ip()
        ]);

        try {
            $branches = Branch::orderBy('name')->get();
            return view('webstatement::email-statement-logs.index', compact('branches'));
        } catch (\Exception $e) {
            Log::error('Failed to load email statement log index page', [
                'error' => $e->getMessage(),
                'user_id' => auth()->id()
            ]);
            return back()->with('error', 'Gagal memuat halaman log pengiriman email statement.');
        }
    }

    public function dataForDatatables(Request $request)
    {
        Log::info('Fetching email statement log data for datatables', [
            'user_id' => auth()->id(),
            'filters' => $request->only(['branch_code', 'account_number', 'period_from', 'period_to', 'request_type', 'status'])
        ]);

        DB::beginTransaction();

        try {
            $query = PrintStatementLog::query()
                ->with(['user', 'branch'])
                ->select([
                    'id',
                    'user_id',
                    'branch_code',
                    'account_number',
                    'request_type',
                    'batch_id',
                    'total_accounts',
                    'processed_accounts',
                    'success_count',
                    'failed_count',
                    'status',
                    'period_from',
                    'period_to',
                    'email',
                    'email_sent_at',
                    'is_available',
                    'authorization_status',
                    'started_at',
                    'completed_at',
                    'created_at',
                    'updated_at'
                ]);

            // Filter berdasarkan branch
            if ($request->filled('branch_code')) {
                $query->where('branch_code', $request->branch_code);
            }

            // Filter berdasarkan account number (hanya untuk single account)
            if ($request->filled('account_number')) {
                $query->where('account_number', 'like', '%' . $request->account_number . '%');
            }

            // Filter berdasarkan request type
            if ($request->filled('request_type')) {
                $query->where('request_type', $request->request_type);
            }

            // Filter berdasarkan status
            if ($request->filled('status')) {
                $query->where('status', $request->status);
            }

            // Filter berdasarkan periode
            if ($request->filled('period_from')) {
                $query->where('period_from', '>=', $request->period_from);
            }

            if ($request->filled('period_to')) {
                $query->where('period_to', '<=', $request->period_to);
            }

            // Filter berdasarkan tanggal
            if ($request->filled('date_from')) {
                $query->whereDate('created_at', '>=', $request->date_from);
            }

            if ($request->filled('date_to')) {
                $query->whereDate('created_at', '<=', $request->date_to);
            }

            $query->orderBy('created_at', 'desc');

            $totalRecords = $query->count();

            if ($request->filled('start')) {
                $query->skip($request->start);
            }

            if ($request->filled('length') && $request->length != -1) {
                $query->take($request->length);
            }

            $logs = $query->get();

            $data = $logs->map(function ($log) {
                return [
                    'id' => $log->id,
                    'request_type' => $this->formatRequestType($log->request_type),
                    'branch_code' => $log->branch_code,
                    'branch_name' => $log->branch->name ?? 'N/A',
                    'account_number' => $log->account_number ?? '-',
                    'period_display' => $log->period_display,
                    'batch_id' => $log->batch_id,
                    'total_accounts' => $log->total_accounts ?? 1,
                    'processed_accounts' => $log->processed_accounts ?? 0,
                    'success_count' => $log->success_count ?? 0,
                    'failed_count' => $log->failed_count ?? 0,
                    'progress_percentage' => $log->getProgressPercentage(),
                    'success_rate' => $log->getSuccessRate(),
                    'status' => $this->formatStatus($log->status),
                    'email' => $log->email,
                    'email_status' => $log->email_sent_at ? 'Terkirim' : 'Pending',
                    'email_sent_at' => $log->email_sent_at ?? '-',
                    'authorization_status' => ucfirst($log->authorization_status),
                    'user_name' => $log->user->name ?? 'System',
                    'started_at' => $log->started_at ? $log->started_at->format('d/m/Y H:i:s') : '-',
                    'completed_at' => $log->completed_at ? $log->completed_at->format('d/m/Y H:i:s') : '-',
                    'created_at' => $log->created_at->format('d/m/Y H:i:s'),
                    'actions' => $this->generateActionButtons($log)
                ];
            });

            DB::commit();

            return response()->json([
                'draw' => intval($request->draw),
                'recordsTotal' => $totalRecords,
                'recordsFiltered' => $totalRecords,
                'data' => $data
            ]);

        } catch (\Exception $e) {
            DB::rollBack();
            Log::error('Failed to fetch email statement log data', [
                'error' => $e->getMessage(),
                'user_id' => auth()->id()
            ]);

            return response()->json([
                'draw' => intval($request->draw),
                'recordsTotal' => 0,
                'recordsFiltered' => 0,
                'data' => [],
                'error' => 'Gagal memuat data log pengiriman email statement.'
            ]);
        }
    }

    public function show($id)
    {
        try {
            $log = PrintStatementLog::with(['user', 'branch'])->findOrFail($id);
            return view('webstatement::email-statement-logs.show', compact('log'));
        } catch (\Exception $e) {
            Log::error('Failed to load email statement log detail', [
                'log_id' => $id,
                'error' => $e->getMessage(),
                'user_id' => auth()->id()
            ]);
            return back()->with('error', 'Log pengiriman email statement tidak ditemukan.');
        }
    }

    /**
     * Mengirim ulang email statement untuk batch atau single account
     */
    public function resendEmail(Request $request, $id)
    {
        Log::info('Attempting to resend statement email', [
            'log_id' => $id,
            'user_id' => auth()->id()
        ]);

        DB::beginTransaction();

        try {
            $log = PrintStatementLog::findOrFail($id);

            // Buat batch ID baru untuk resend
            $newBatchId = 'resend_' . time() . '_' . $log->id;

            // Dispatch job dengan parameter yang sama
            SendStatementEmailJob::dispatch(
                $log->period_from,
                $log->request_type,
                $log->request_type === 'single_account' ? $log->account_number :
                    ($log->request_type === 'branch' ? $log->branch_code : null),
                $newBatchId,
                $log->id
            );

            // Reset status untuk tracking ulang
            $log->update([
                'status' => 'pending',
                'batch_id' => $newBatchId,
                'processed_accounts' => 0,
                'success_count' => 0,
                'failed_count' => 0,
                'started_at' => null,
                'completed_at' => null,
                'error_message' => null
            ]);

            DB::commit();

            Log::info('Statement email resend job dispatched successfully', [
                'log_id' => $id,
                'new_batch_id' => $newBatchId,
                'request_type' => $log->request_type
            ]);

            return back()->with('success', 'Email statement berhasil dijadwalkan untuk dikirim ulang.');

        } catch (\Exception $e) {
            DB::rollBack();
            Log::error('Failed to resend statement email', [
                'log_id' => $id,
                'error' => $e->getMessage(),
                'user_id' => auth()->id()
            ]);
            return back()->with('error', 'Gagal mengirim ulang email statement.');
        }
    }

    private function formatRequestType($requestType)
    {
        $types = [
            'single_account' => 'Single Account',
            'branch' => 'Per Cabang',
            'all_branches' => 'Seluruh Cabang'
        ];

        return $types[$requestType] ?? $requestType;
    }

    private function formatStatus($status)
    {
        $statuses = [
            'pending' => '<span class="badge badge-warning">Pending</span>',
            'processing' => '<span class="badge badge-info">Processing</span>',
            'completed' => '<span class="badge badge-success">Completed</span>',
            'failed' => '<span class="badge badge-danger">Failed</span>'
        ];

        return $statuses[$status] ?? $status;
    }

    private function generateActionButtons(PrintStatementLog $log)
    {
        $buttons = [];

        // Tombol view detail
        $buttons[] = '<a href="' . route('email-statement-logs.show', $log->id) . '" class="btn btn-sm btn-icon btn-clear btn-light" title="Lihat Detail">' .
                    '<i class="text-base text-gray-500 ki-filled ki-eye"></i>' .
                    '</a>';

        // Tombol resend email
        if (in_array($log->status, ['completed', 'failed']) && $log->authorization_status === 'approved') {
            $buttons[] = '<button onclick="resendEmail(' . $log->id . ')" class="btn btn-sm btn-icon btn-clear btn-light" title="Kirim Ulang Email">' .
                        '<i class="text-base ki-filled ki-message-text-2 text-primary"></i>' .
                        '</button>';
        }

        return implode(' ', $buttons);
    }
}