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<?php

namespace App\Http\Controllers\hrm;

use App\Http\Controllers\Controller;
use App\Models\Company;
use App\Models\Department;
use App\Models\Designation;
use App\Models\Employee;
use App\Models\EmployeeAccount;
use App\Models\EmployeeExperience;
use App\Models\OfficeShift;
use App\utils\helpers;
use Carbon\Carbon;
use Illuminate\Http\Request;

class EmployeesController extends Controller
{
    // ------------ GET ALL employees -----------\\

    public function index(Request $request)
    {
        $this->authorizeForUser($request->user('api'), 'view', Employee::class);
        // How many items do you want to display.
        $perPage = $request->limit;
        $pageStart = \Request::get('page', 1);
        // Start displaying items from this number;
        $offSet = ($pageStart * $perPage) - $perPage;
        $order = $request->SortField;
        $dir = $request->SortType;
        $helpers = new helpers;
        // Filter fields With Params to retrieve
        $param = [
            0 => 'like',
            1 => 'like',
            2 => '=',

        ];
        $columns = [
            0 => 'username',
            1 => 'employment_type',
            2 => 'company_id',
        ];
        $data = [];

        $employees = Employee::with('company:id,name', 'office_shift:id,name', 'department:id,department', 'designation:id,designation')
            ->where('deleted_at', '=', null)
            ->where('leaving_date', null);

        // Multiple Filter
        $Filtred = $helpers->filter($employees, $columns, $param, $request)
        // Search With Multiple Param
            ->where(function ($query) use ($request) {
                return $query->when($request->filled('search'), function ($query) use ($request) {
                    return $query->where('firstname', 'LIKE', "%{$request->search}%")
                        ->orWhere('lastname', 'LIKE', "%{$request->search}%")
                        ->orWhere('username', 'LIKE', "%{$request->search}%");
                });
            });
        $totalRows = $employees->count();
        if ($perPage == '-1') {
            $perPage = $totalRows;
        }
        $employees = $employees->offset($offSet)
            ->limit($perPage)
            ->orderBy($order, $dir)
            ->get();

        foreach ($employees as $employee) {

            $item['id'] = $employee->id;
            $item['firstname'] = $employee->firstname;
            $item['lastname'] = $employee->lastname;
            $item['phone'] = $employee->phone;
            $item['company_name'] = $employee['company']->name;
            $item['department_name'] = $employee['department']->department;
            $item['designation_name'] = $employee['designation']->designation;
            $item['office_shift_name'] = $employee['office_shift']->name;

            $data[] = $item;
        }

        $companies = Company::where('deleted_at', '=', null)->get(['id', 'name']);

        return response()->json([
            'employees' => $data,
            'companies' => $companies,
            'totalRows' => $totalRows,
        ]);

    }

    // ---------------- Show Form Create Employee ---------------\\

    public function create(Request $request)
    {

        $this->authorizeForUser($request->user('api'), 'create', Employee::class);

        $companies = Company::where('deleted_at', '=', null)->get(['id', 'name']);

        return response()->json([
            'companies' => $companies,
        ]);
    }

    // ----------------Store  Employee ---------------\\

    public function store(Request $request)
    {
        $this->authorizeForUser($request->user('api'), 'create', Employee::class);

        $this->validate($request, [
            'firstname' => 'required|string',
            'lastname' => 'required|string',
            'gender' => 'required',
            'company_id' => 'required',
            'department_id' => 'required',
            'designation_id' => 'required',
            'office_shift_id' => 'required',
        ]);

        $data = [];
        $data['firstname'] = $request['firstname'];
        $data['lastname'] = $request['lastname'];
        $data['username'] = $request['firstname'].' '.$request['lastname'];
        $data['country'] = $request['country'];
        $data['email'] = $request['email'];
        $data['gender'] = $request['gender'];
        $data['phone'] = $request['phone'];
        $data['birth_date'] = $request['birth_date'];
        $data['company_id'] = $request['company_id'];
        $data['department_id'] = $request['department_id'];
        $data['designation_id'] = $request['designation_id'];
        $data['office_shift_id'] = $request['office_shift_id'];
        $data['joining_date'] = $request['joining_date'];

        Employee::create($data);

        return response()->json(['success' => true]);
    }

    // ------------ function show -----------\\

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

        $this->authorizeForUser($request->user('api'), 'view', Employee::class);

        $employee = Employee::where('deleted_at', '=', null)->findOrFail($id);
        $companies = Company::where('deleted_at', '=', null)->orderBy('id', 'desc')->get(['id', 'name']);
        $office_shifts = OfficeShift::where('company_id', $employee->company_id)->where('deleted_at', '=', null)->orderBy('id', 'desc')->get(['id', 'name']);
        $departments = Department::where('company_id', $employee->company_id)->where('deleted_at', '=', null)->orderBy('id', 'desc')->get(['id', 'department']);
        $designations = Designation::where('department_id', $employee->department_id)->where('deleted_at', '=', null)->orderBy('id', 'desc')->get(['id', 'designation']);

        return response()->json([
            'employee' => $employee,
            'companies' => $companies,
            'office_shifts' => $office_shifts,
            'departments' => $departments,
            'designations' => $designations,
        ]);

    }

    public function edit(Request $request, $id)
    {
        $this->authorizeForUser($request->user('api'), 'update', Employee::class);

        $employee = Employee::where('deleted_at', '=', null)->findOrFail($id);
        $companies = Company::where('deleted_at', '=', null)->get(['id', 'name']);
        $office_shifts = OfficeShift::where('company_id', $employee->company_id)->where('deleted_at', '=', null)->get(['id', 'name']);
        $departments = Department::where('company_id', $employee->company_id)->where('deleted_at', '=', null)->get(['id', 'department']);
        $designations = Designation::where('department_id', $employee->department_id)->where('deleted_at', '=', null)->get(['id', 'designation']);

        return response()->json([
            'employee' => $employee,
            'companies' => $companies,
            'office_shifts' => $office_shifts,
            'departments' => $departments,
            'designations' => $designations,
        ]);
    }

    // ---------------- UPDATE Employee -------------\\

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

        $this->authorizeForUser($request->user('api'), 'update', Employee::class);

        $this->validate($request, [
            'firstname' => 'required|string',
            'lastname' => 'required|string',
            'country' => 'required|string',
            'gender' => 'required',
            'phone' => 'required',
            'total_leave' => 'required|numeric|min:0',
            'company_id' => 'required',
            'department_id' => 'required',
            'designation_id' => 'required',
            'office_shift_id' => 'required',
            'basic_salary' => 'nullable|numeric',
            'hourly_rate' => 'nullable|numeric',
        ]);

        $data = [];
        $data['firstname'] = $request['firstname'];
        $data['lastname'] = $request['lastname'];
        $data['username'] = $request['firstname'].' '.$request['lastname'];
        $data['country'] = $request['country'];
        $data['email'] = $request['email'];
        $data['gender'] = $request['gender'];
        $data['phone'] = $request['phone'];
        $data['birth_date'] = $request['birth_date'];
        $data['company_id'] = $request['company_id'];
        $data['department_id'] = $request['department_id'];
        $data['designation_id'] = $request['designation_id'];
        $data['office_shift_id'] = $request['office_shift_id'];
        $data['joining_date'] = $request['joining_date'];
        $data['role_users_id'] = $request['role_users_id'];
        $data['leaving_date'] = $request['leaving_date'] ? $request['leaving_date'] : null;
        $data['marital_status'] = $request['marital_status'];
        $data['employment_type'] = $request['employment_type'];
        $data['city'] = $request['city'];
        $data['province'] = $request['province'];
        $data['zipcode'] = $request['zipcode'];
        $data['address'] = $request['address'];
        $data['basic_salary'] = $request['basic_salary'];
        $data['hourly_rate'] = $request['hourly_rate'];

        // calculation of total_leave & remaining_leave
        $employee_leave_info = Employee::find($id);
        if ($employee_leave_info->total_leave == 0) {
            $data['total_leave'] = $request->total_leave;
            $data['remaining_leave'] = $request->total_leave;
        } elseif ($request->total_leave > $employee_leave_info->total_leave) {
            $data['total_leave'] = $request->total_leave;
            $data['remaining_leave'] = $request->remaining_leave + ($request->total_leave - $employee_leave_info->total_leave);
        } elseif ($request->total_leave < $employee_leave_info->total_leave) {
            $data['total_leave'] = $request->total_leave;
            $data['remaining_leave'] = $request->remaining_leave - ($employee_leave_info->total_leave - $request->total_leave);

        } else {
            $data['total_leave'] = $request->total_leave;
            $data['remaining_leave'] = $employee_leave_info->remaining_leave;
        }

        Employee::find($id)->update($data);

        return response()->json(['success' => true]);
    }

    // ------------ Delete Employee -----------\\

    public function destroy(Request $request, $id)
    {
        $this->authorizeForUser($request->user('api'), 'delete', Employee::class);

        Employee::whereId($id)->update([
            'deleted_at' => Carbon::now(),
        ]);

        return response()->json(['success' => true]);
    }

    // -------------- Delete by selection  ---------------\\

    public function delete_by_selection(Request $request)
    {

        $this->authorizeForUser($request->user('api'), 'delete', Employee::class);

        $selectedIds = $request->selectedIds;
        foreach ($selectedIds as $employee_id) {
            Employee::whereId($employee_id)->update([
                'deleted_at' => Carbon::now(),
            ]);
        }

        return response()->json(['success' => true]);

    }

    public function Get_employees_by_department(Request $request)
    {
        $employees = Employee::where('department_id', $request->id)->where('deleted_at', '=', null)->orderBy('id', 'desc')->get(['id', 'username']);

        return response()->json($employees);
    }

    public function Get_office_shift_by_company(Request $request)
    {
        $office_shifts = OfficeShift::where('company_id', $request->id)->where('deleted_at', '=', null)->orderBy('id', 'desc')->get(['id', 'name']);

        return response()->json($office_shifts);
    }

    // details employee

    public function update_social_profile(Request $request, $id)
    {
        $this->authorizeForUser($request->user('api'), 'update', Employee::class);

        $data = [];
        $data['skype'] = $request['skype'];
        $data['facebook'] = $request['facebook'];
        $data['whatsapp'] = $request['whatsapp'];
        $data['twitter'] = $request['twitter'];
        $data['linkedin'] = $request['linkedin'];

        Employee::whereId($id)->update($data);

        return response()->json(['success' => true]);
    }

    // -------------------- get_experiences_by_employee -------------\\

    public function get_experiences_by_employee(request $request)
    {

        $this->authorizeForUser($request->user('api'), 'view', Employee::class);
        // How many items do you want to display.
        $perPage = $request->limit;
        $pageStart = \Request::get('page', 1);
        // Start displaying items from this number;
        $offSet = ($pageStart * $perPage) - $perPage;

        $experiences = EmployeeExperience::where('employee_id', $request->id)
            ->where('deleted_at', '=', null)
            ->orderBy('id', 'desc');

        $totalRows = $experiences->count();
        if ($perPage == '-1') {
            $perPage = $totalRows;
        }
        $experiences = $experiences->offset($offSet)
            ->limit($perPage)
            ->orderBy('id', 'desc')
            ->get();

        return response()->json([
            'totalRows' => $totalRows,
            'experiences' => $experiences,
        ]);

    }

    // -------------------- get_accounts_by_employee -------------\\

    public function get_accounts_by_employee(request $request)
    {

        $this->authorizeForUser($request->user('api'), 'view', Employee::class);
        // How many items do you want to display.
        $perPage = $request->limit;
        $pageStart = \Request::get('page', 1);
        // Start displaying items from this number;
        $offSet = ($pageStart * $perPage) - $perPage;

        $accounts_bank = EmployeeAccount::where('employee_id', $request->id)
            ->where('deleted_at', '=', null)
            ->orderBy('id', 'desc');

        $totalRows = $accounts_bank->count();
        if ($perPage == '-1') {
            $perPage = $totalRows;
        }
        $accounts_bank = $accounts_bank->offset($offSet)
            ->limit($perPage)
            ->orderBy('id', 'desc')
            ->get();

        return response()->json([
            'totalRows' => $totalRows,
            'accounts_bank' => $accounts_bank,
        ]);

    }

    public function Get_employees_by_company(Request $request)
    {
        $employees = Employee::where('company_id', $request->id)->where('deleted_at', '=', null)->orderBy('id', 'desc')->get(['id', 'username']);

        return response()->json($employees);
    }
}
