<?php

namespace Database\Factories;

use App\Models\CashierLedgerEntry;
use App\Models\FinanceDocument;
use App\Models\User;
use Illuminate\Database\Eloquent\Factories\Factory;

/**
 * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\CashierLedgerEntry>
 */
class CashierLedgerEntryFactory extends Factory
{
    protected $model = CashierLedgerEntry::class;

    /**
     * Define the model's default state.
     *
     * @return array<string, mixed>
     */
    public function definition(): array
    {
        $entryTypes = ['receipt', 'payment'];
        $paymentMethods = ['cash', 'bank_transfer', 'check'];
        $entryType = $this->faker->randomElement($entryTypes);
        $amount = $this->faker->randomFloat(2, 100, 50000);
        $balanceBefore = $this->faker->randomFloat(2, 0, 100000);

        // Calculate balance after based on entry type
        $balanceAfter = $entryType === 'receipt'
            ? $balanceBefore + $amount
            : $balanceBefore - $amount;

        return [
            'entry_type' => $entryType,
            'entry_date' => $this->faker->dateTimeBetween('-30 days', 'now'),
            'amount' => $amount,
            'payment_method' => $this->faker->randomElement($paymentMethods),
            'bank_account' => $this->faker->company() . ' Bank - ' . $this->faker->numerify('##########'),
            'balance_before' => $balanceBefore,
            'balance_after' => $balanceAfter,
            'recorded_by_cashier_id' => User::factory(),
            'recorded_at' => now(),
        ];
    }

    /**
     * Indicate that the entry is a receipt (incoming money).
     */
    public function receipt(): static
    {
        return $this->state(function (array $attributes) {
            $balanceBefore = $attributes['balance_before'] ?? 0;
            $amount = $attributes['amount'];

            return [
                'entry_type' => 'receipt',
                'balance_after' => $balanceBefore + $amount,
            ];
        });
    }

    /**
     * Indicate that the entry is a payment (outgoing money).
     */
    public function payment(): static
    {
        return $this->state(function (array $attributes) {
            $balanceBefore = $attributes['balance_before'] ?? 0;
            $amount = $attributes['amount'];

            return [
                'entry_type' => 'payment',
                'balance_after' => $balanceBefore - $amount,
            ];
        });
    }

    /**
     * Indicate that the entry is linked to a finance document.
     */
    public function withFinanceDocument(): static
    {
        return $this->state(fn (array $attributes) => [
            'finance_document_id' => FinanceDocument::factory(),
        ]);
    }

    /**
     * Indicate that the payment method is cash.
     */
    public function cash(): static
    {
        return $this->state(fn (array $attributes) => [
            'payment_method' => 'cash',
            'bank_account' => null,
        ]);
    }

    /**
     * Indicate that the payment method is bank transfer.
     */
    public function bankTransfer(): static
    {
        return $this->state(fn (array $attributes) => [
            'payment_method' => 'bank_transfer',
            'bank_account' => $this->faker->company() . ' Bank - ' . $this->faker->numerify('##########'),
        ]);
    }

    /**
     * Indicate that the payment method is check.
     */
    public function check(): static
    {
        return $this->state(fn (array $attributes) => [
            'payment_method' => 'check',
            'transaction_reference' => 'CHK' . $this->faker->numerify('######'),
        ]);
    }

    /**
     * Create a sequence of entries with running balance for a specific account.
     */
    public function sequence(string $bankAccount, float $initialBalance = 0): static
    {
        static $currentBalance;

        if ($currentBalance === null) {
            $currentBalance = $initialBalance;
        }

        return $this->state(function (array $attributes) use ($bankAccount, &$currentBalance) {
            $amount = $attributes['amount'];
            $entryType = $attributes['entry_type'];
            $balanceBefore = $currentBalance;

            $balanceAfter = $entryType === 'receipt'
                ? $balanceBefore + $amount
                : $balanceBefore - $amount;

            $currentBalance = $balanceAfter;

            return [
                'bank_account' => $bankAccount,
                'balance_before' => $balanceBefore,
                'balance_after' => $balanceAfter,
            ];
        });
    }
}