<?php

namespace App\Http\Controllers;

use App\Models\Role;
use Yajra\DataTables\Facades\DataTables;
use Validator;
use Illuminate\Http\Request;
use Illuminate\Validation\Rule;
use App\Models\module;
use App\Models\AdminPermission;
use App\Models\RolePermission;
use Illuminate\Support\Facades\DB;

class RoleController extends Controller
{
    /**
     * Display a listing of the resource.
     */


    public function index(Request $request)
    {

        if ($request->ajax()) {
            $search_keyword = '';
            $status = 'all'; // all status

            $request_data = $request->all();
            if ($request->has('search_keyword')) {
                $search_keyword = $request->search_keyword;
            }
            if ($request->has('status_filter')) {
                $status = $request->status_filter;
            }
            // avoid zero column as it's checkbox so we can't sort by it
            if ($request->has('order') && $request->order[0]['column'] != 0) {
                $sort_column_number = $request->order[0]['column'];
                $sort_column_dir = $request->order[0]['dir'];
                $sort_column_key = $request->columns[$sort_column_number]['data'];
            }

            $main_query = Role::query();
            $query = $main_query;
            if (!empty($search_keyword)) {
                $query = $query->where('name', 'LIKE', '%' . $search_keyword . '%');
            }
            if ($status != 'all' && $status != '') {
                $query = $query->where('status', $status);
            }
            if (!empty($sort_column_key)) {
                $query = $query->orderBy($sort_column_key, $sort_column_dir);
            } else {
                $query = $query->latest();
            }

            $data = $query->get();
            $count_total = $main_query->count();
            $count_filter = $count_total;
            return DataTables::of($data)

                ->addColumn('name', function ($row) {
                    return $row->name;
                })
                ->addColumn('description', function ($row) {
                    return $row->description;
                })
                ->editColumn('status', function ($row) {
                    $update_url = route('admin.update.role.status', $row->id);
                    // dd($update_url);
                    return setStatus($row, $update_url);
                })


                ->addColumn('action', function ($row) {


                    return view('admin.role.partially.delete', compact('row'));
                })

                ->rawColumns(['action', 'status'])
                ->with([
                    "recordsTotal"    => $count_total,
                    "recordsFiltered" => $count_filter,
                ])
                ->make(true);
        }

        return view('admin.role.index');
    }
    /**
     * Show the form for creating a new resource.
     */

    public function create()
    {
        $modules = Module::with('permissions')->get();



        return view('admin.role.create', ['modules' => $modules]);
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'name' => ['required', 'string', 'unique:' . Role::class],
            'description' => 'required|string',
        ]);
        if ($validator->fails()) {
            return redirect()->back()->withErrors($validator)->withInput();
        }

        DB::beginTransaction();
        try {
            $role = new Role();
            $role->name = $request->input('name');
            $role->description = $request->input('description');
            $role->status = $request->input('status');
            $role->save();



            $permissions = $request->input('permission');

            if (count($permissions)) {
                foreach ($permissions as $permission) {
                    $role_permission = new RolePermission();
                    $role_permission->role_id = $role->id;
                    $role_permission->permission_id = $permission;
                    $role_permission->save();
                    DB::commit();
                }
            }

            return redirect()->route('roles.index')->with('success', 'Role added Successfully');
        } catch (\Exception $e) {
            DB::rollback();
            return response()->json(['success' => false, 'message' => $e->getMessage()]);
        }
    }

    /**
     * Display the specified resource.
     */
    public function show(string $id)
    {
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit(string $id)
    {
        $role = Role::with('rolePermissions')->find($id);
        $role_permission = [];
        if (count($role->rolePermissions)) {
            $role_permission = $role->rolePermissions->pluck('permission_id')->toArray();
        }
        $modules = Module::with('permissions')->get();
        if (isset($role)) {
            return view('admin.role.edit', ['role' => $role, 'modules' => $modules, 'role_permission' => $role_permission]);
        } else {
            return back()->with('error', 'Role does not exist');
        }
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, $id)
    {

        $validator = Validator::make($request->all(), [
            'name' => ['required', 'string',  Rule::unique('roles')->ignore($id)],
            'description' => 'required|string',

        ]);

        if ($validator->fails()) {
            return redirect()->back()->withErrors($validator)->withInput();
        }


        DB::beginTransaction();
        try {
            $role = Role::find($id);
            if (isset($role)) {
                $role->name = $request->input('name');
                $role->description = $request->input('description');
                $role->status = $request->input('status');
                $role->save();

                $permissions = $request->input('permission');
                if (count($permissions)) {
                    RolePermission::where('role_id', $id)->delete();
                    foreach ($permissions as $permission) {

                        $role_permission = new RolePermission();
                        $role_permission->role_id = $role->id;
                        $role_permission->permission_id = $permission;
                        $role_permission->save();
                        DB::commit();
                    }
                }

                return redirect()->route('roles.index')->with('success', 'Role has been updated successfully.');
            } else {
                return back()->with('error', 'Role not found.');
            }
        } catch (\Exception $e) {
            DB::rollback();
            return response()->json(['success' => false, 'message' => $e->getMessage()]);
        }
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(string $id)
    {
        $role = Role::find($id);
        if (isset($role)) {
            $role->delete();
            return redirect()->back()->with('success', 'Role has been deleted successfully.');
        } else {
            return back()->with('error', 'Role not found.');
        }
    }

    public function updateRoleStatus(Request $request, $id)
    {

        if ($request->has('new_status')) {
            $role = Role::find($id);

            if ($role) {
                $role->status = $request->new_status;
                $role->save();
                return response()->json(['status' => 'success', 'message' => 'Role status updated successfully']);
            } else {
                return response()->json(['status' => 'error', 'message' => 'Role not found'], 404);
            }
        } else {
            return response()->json(['status' => 'error', 'message' => 'Missing status value'], 404);
        }
    }
}