<?php

namespace App\Services\Finance;

use App\Models\BankVerification;
use Illuminate\Database\Eloquent\Builder;

class FinanceVerificationQuery
{
    /**
     * @param  array<string, mixed>  $filters
     * @return Builder<BankVerification>
     */
    public function build(array $filters = []): Builder
    {
        return BankVerification::query()
            ->with([
                'application.election',
                'application.pusatMengundi',
                'application.approvedPosition',
                'application.requestedPosition',
                'application.documents',
                'application.staffAssignments.position',
                'verifiedBy',
            ])
            ->whereHas('application', function (Builder $query) use ($filters): void {
                $query->whereIn('status', ['approved', 'assigned'])
                    ->when(! empty($filters['pusat_mengundi_id']), fn (Builder $nested) => $nested->where('pusat_mengundi_id', $filters['pusat_mengundi_id']))
                    ->when(! empty($filters['role_id']), function (Builder $nested) use ($filters): void {
                        $nested->where(function (Builder $roleQuery) use ($filters): void {
                            $roleQuery->where('approved_position_id', $filters['role_id'])
                                ->orWhere(function (Builder $fallback) use ($filters): void {
                                    $fallback->whereNull('approved_position_id')
                                        ->where('requested_position_id', $filters['role_id']);
                                });
                        });
                    })
                    ->when(! empty($filters['missing_account_number']), function (Builder $nested): void {
                        $nested->where(function (Builder $accountQuery): void {
                            $accountQuery->whereNull('bank_account_number')
                                ->orWhere('bank_account_number', '');
                        });
                    })
                    ->when(! empty($filters['missing_bank_statement']), function (Builder $nested): void {
                        $nested->whereDoesntHave('documents', fn (Builder $documentQuery) => $documentQuery->where('document_type', 'bank_statement'));
                    })
                    ->when(! empty($filters['q']), function (Builder $nested) use ($filters): void {
                        $term = '%'.$filters['q'].'%';
                        $nested->where(function (Builder $keywordQuery) use ($term): void {
                            $keywordQuery->where('name', 'like', $term)
                                ->orWhere('ic_number', 'like', $term)
                                ->orWhere('email', 'like', $term);
                        });
                    });
            })
            ->when(! empty($filters['status']), fn (Builder $query) => $query->where('status', $filters['status']));
    }
}