<?php

namespace App\Http\Controllers;

use App\Models\OfficeLocation;
use App\Models\StaffMember;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class OfficeLocationController extends Controller
{
    public function index()
    {
        $locations = OfficeLocation::with('manager', 'documents')
            ->orderBy('created_at', 'desc')
            ->paginate(9);

        $staffMembers = StaffMember::where('status', 'ACTIVE')->orderBy('name')->get();

        $countries = DB::table('countries')->orderBy('en_short_name', 'asc')->get();
        
        return view('offices.index', compact('locations', 'staffMembers', 'countries'));
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'country'            => 'required|string|max:191',
            'city'               => 'required|string|max:191',
            'physical_address'   => 'nullable|string',
            'postal_address'     => 'nullable|string|max:191',
            'zip_code'           => 'nullable|string|max:15',
            'office_phone'       => 'nullable|string|max:20',
            'country_manager_id' => 'nullable|integer',
        ]);

        OfficeLocation::create($validated);

        return response()->json(['success' => true, 'message' => 'Office location added successfully!']);
    }

    public function update(Request $request, $id)
    {
        $location = OfficeLocation::findOrFail($id);

        $validated = $request->validate([
            'country'            => 'required|string|max:191',
            'city'               => 'required|string|max:191',
            'physical_address'   => 'nullable|string',
            'postal_address'     => 'nullable|string|max:191',
            'zip_code'           => 'nullable|string|max:15',
            'office_phone'       => 'nullable|string|max:20',
            'country_manager_id' => 'nullable|integer',
        ]);

        $location->update($validated);

        return response()->json(['success' => true, 'message' => 'Office location updated successfully!']);
    }

    public function destroy($id)
    {
        OfficeLocation::findOrFail($id)->delete();
        return response()->json(['success' => true, 'message' => 'Office location removed.']);
    }

    // --- ADD THESE METHODS TO OfficeLocationController.php ---

    public function showDocuments($id)
    {
        $location = OfficeLocation::with('documents')->findOrFail($id);
        return view('offices.documents', compact('location'));
    }

    public function storeDocument(Request $request, $id)
    {
        $location = OfficeLocation::findOrFail($id);

        $validated = $request->validate([
            'name'              => 'required|string|max:191',
            'file'              => 'required|file|mimes:pdf,jpg,jpeg,png,doc,docx|max:10240',
            'validity_period'   => 'required|string',
            // Require a date UNLESS the period is 'On Demand'
            'next_renewal_date' => 'nullable|required_unless:validity_period,On Demand|date' 
        ]);

        $file = $request->file('file');
        $filename = time() . '_' . preg_replace('/\s+/', '_', $file->getClientOriginalName());
        $filePath = $file->storeAs("office_documents/{$location->id}", $filename, 'public');

        // Get current staff ID
        $staff = \App\Models\StaffMember::where('email', auth()->user()->email)->first();

        \App\Models\OfficeLocationDocument::create([
            'office_location_id' => $location->id,
            'name'               => $request->name,
            'file_path'          => $filePath,
            'file_extension'     => $file->getClientOriginalExtension(),
            'validity_period'    => $request->validity_period,
            'next_renewal_date'  => $request->validity_period === 'On Demand' ? null : $request->next_renewal_date,
            'uploaded_by'        => $staff ? $staff->id : null,
        ]);

        return response()->json(['success' => true, 'message' => 'Document archived successfully!']);
    }

    public function destroyDocument($docId)
    {
        $document = \App\Models\OfficeLocationDocument::findOrFail($docId);
        
        if ($document->file_path && \Illuminate\Support\Facades\Storage::disk('public')->exists($document->file_path)) {
            \Illuminate\Support\Facades\Storage::disk('public')->delete($document->file_path);
        }
        
        $document->delete();
        return response()->json(['success' => true, 'message' => 'Document deleted.']);
    }   
}