<?php

    namespace Modules\Webstatement\Http\Requests;

    use Illuminate\Foundation\Http\FormRequest;
    use Illuminate\Validation\Rule;

    class PeriodeStatementRequest extends FormRequest
    {
        /**
         * Determine if the user is authorized to make this request.
         */
        public function authorize()
        : bool
        {
            return true;
        }

        /**
         * Get the validation rules that apply to the request.
         */
        public function rules()
        : array
        {
            $rules = [
                'periode' => [
                    'required',
                    'string',
                    'max:255',
                    'regex:/^\d{4}-\d{2}$/', // Format YYYY-MM
                ],
                'notes'   => [
                    'nullable',
                    'string',
                ],
            ];

            // If we're updating an existing record, add a unique constraint that ignores the current record
            if ($this->isMethod('PUT') || $this->isMethod('PATCH')) {
                $rules['periode'][] = Rule::unique('periode_statements', 'periode')
                                          ->ignore($this->route('periode_statement'));
            } else {
                // For new records, just check uniqueness
                $rules['periode'][] = 'unique:periode_statements,periode';
            }

            return $rules;
        }

        /**
         * Get custom attributes for validator errors.
         */
        public function attributes()
        : array
        {
            return [
                'periode' => 'Periode',
                'notes'   => 'Notes',
            ];
        }

        /**
         * Get the error messages for the defined validation rules.
         */
        public function messages()
        : array
        {
            return [
                'periode.required' => 'The periode field is required.',
                'periode.unique'   => 'This periode already exists.',
                'periode.regex'    => 'The periode must be in the format YYYY-MM (e.g., 2023-01).',
            ];
        }
    }