<?php

namespace App\Services\Admin\Finance;

use App\Enums\CashTransactionType;
use App\Models\CashAccount;
use App\Models\CashTransaction;
use Illuminate\Support\Collection;
use Illuminate\Validation\ValidationException;

class CashAccountService
{
    public function get(): ?CashAccount
    {
        return CashAccount::first();
    }

    public function getAllTransactions(): Collection
    {
        $cashAccount = $this->get();

        if (! $cashAccount) {
            return collect();
        }

        return $cashAccount->cashTransactions()
            ->with('createdBy.userProfile')
            ->latest()
            ->get();
    }

    public function deposit(array $data): CashTransaction
    {
        $cashAccount = CashAccount::firstOrFail();
        $newBalance = $cashAccount->balance + $data['amount'];

        $cashAccount->update(['balance' => $newBalance]);

        return CashTransaction::create([
            'cash_account_id' => $cashAccount->id,
            'created_by_id' => auth()->id(),
            'amount' => $data['amount'],
            'balance_after' => $newBalance,
            'type' => CashTransactionType::DEPOSIT,
            'description' => $data['description'],
        ]);
    }

    public function withdrawal(array $data): CashTransaction
    {
        $cashAccount = CashAccount::firstOrFail();

        if ($cashAccount->balance < $data['amount']) {
            throw ValidationException::withMessages([
                'amount' => 'Saldo tidak mencukupi.',
            ]);
        }

        $newBalance = $cashAccount->balance - $data['amount'];
        $cashAccount->update(['balance' => $newBalance]);

        return CashTransaction::create([
            'cash_account_id' => $cashAccount->id,
            'created_by_id' => auth()->id(),
            'amount' => $data['amount'],
            'balance_after' => $newBalance,
            'type' => CashTransactionType::WITHDRAWAL,
            'description' => $data['description'],
        ]);
    }
}