<?php

namespace App\Services;

use App\Http\Controllers\Admin\TahesabController;
use App\Http\Controllers\Admin\ZarinController;
use App\Models\Order;
use App\Models\PargarSyncLog;
use App\Models\Tahesab;
use App\Models\Zarin;
use Illuminate\Support\Facades\Schema;

/**
 * سند حسابداری سمت همکار (Montzar) — جدا از سند مشتری.
 * کد حساب از settings: montzar_account_{zarin|tahesab|pargar}
 */
class ColleagueAccountingService
{
    public function __construct(
        private ConfigService $config,
    ) {}

    /**
     * بعد از پوشش سفارش روی همکار، سند را روی کد حساب همکار ثبت/صف می‌کند.
     *
     * @param  array<string, mixed>  $data
     */
    public function recordCoveredTrade(array $data): void
    {
        if (! $this->config->usesMontzarPricing()) {
            return;
        }

        $order = $data['order'] ?? null;
        if (! $order instanceof Order || ! $order->id) {
            return;
        }

        if (! $this->orderCoveredByColleague($order, $data)) {
            return;
        }

        $provider = $this->config->accountingProvider();
        $accountCode = $this->colleagueAccountCode($provider);
        if ($accountCode === null) {
            return;
        }

        if ($this->alreadyQueued($order, $provider)) {
            return;
        }

        $payload = $this->buildColleaguePayload($data, $order, $accountCode);

        try {
            match ($provider) {
                ConfigService::ACCOUNTING_ZARIN => app(ZarinController::class)->storeTrade($payload),
                ConfigService::ACCOUNTING_TAHESAB => app(TahesabController::class)->storeTrade($payload),
                ConfigService::ACCOUNTING_PARGAR => $this->queuePargarColleagueTrade($order, $payload, $accountCode),
                default => null,
            };
        } catch (\Throwable $e) {
            report($e);
        }
    }

    public function colleagueAccountCode(string $provider): ?string
    {
        $key = match ($provider) {
            ConfigService::ACCOUNTING_ZARIN => 'montzar_account_zarin',
            ConfigService::ACCOUNTING_TAHESAB => 'montzar_account_tahesab',
            ConfigService::ACCOUNTING_PARGAR => 'montzar_account_pargar',
            default => null,
        };
        if ($key === null) {
            return null;
        }

        $code = trim($this->config->getString($key, ''));
        if ($code === '' || in_array($code, ['0', '-1'], true)) {
            return null;
        }

        return $code;
    }

    /**
     * @param  array<string, mixed>  $data
     */
    private function orderCoveredByColleague(Order $order, array $data): bool
    {
        if (Schema::hasColumn('orders', 'provider_id') && ! empty($order->provider_id)) {
            return true;
        }

        if (! empty($data['provider_id'])) {
            return true;
        }

        return Schema::hasColumn('orders', 'total_price_montzar')
            && $order->total_price_montzar !== null
            && (float) $order->total_price_montzar > 0;
    }

    private function alreadyQueued(Order $order, string $provider): bool
    {
        return match ($provider) {
            ConfigService::ACCOUNTING_ZARIN => Zarin::query()
                ->where('order_id', $order->id)
                ->where('desc', 'like', '%همکار%')
                ->exists(),
            ConfigService::ACCOUNTING_TAHESAB => Tahesab::query()
                ->where('order_id', $order->id)
                ->where('desc', 'like', '%همکار%')
                ->exists(),
            ConfigService::ACCOUNTING_PARGAR => PargarSyncLog::query()
                ->where('order_id', $order->id)
                ->where('data', 'like', '%"colleague_leg":true%')
                ->exists(),
            default => true,
        };
    }

    /**
     * @param  array<string, mixed>  $data
     * @return array<string, mixed>
     */
    private function buildColleaguePayload(array $data, Order $order, string $accountCode): array
    {
        $amount = abs((float) ($order->amount ?? $data['amount'] ?? 0));
        $montzarUnit = Schema::hasColumn('orders', 'total_price_montzar')
            ? (float) ($order->total_price_montzar ?? 0)
            : 0.0;
        $price = $montzarUnit > 0
            ? $montzarUnit
            : (float) ($order->price ?? $data['price'] ?? 0);
        $total = $amount * $price;
        $direction = (int) ($order->direction ?? $data['direction'] ?? 0);
        $action = $direction === 1 ? 'خرید' : 'فروش';
        $sharh = "{$action} از اپلیکیشن همکار";

        $payload = $data;
        $payload['order'] = $order;
        $payload['customer_id'] = (int) ($order->customer_id ?? $data['customer_id'] ?? 0);
        $payload['amount'] = $amount;
        $payload['price'] = $price;
        $payload['total_price'] = $total;
        $payload['direction'] = $direction;
        $payload['product_id'] = $order->product_id ?? ($data['product_id'] ?? null);
        $payload['accounting_account_code'] = $accountCode;
        $payload['colleague_leg'] = true;
        $payload['sharh_override'] = $sharh;
        $payload['pay_at'] = $order->pay_at ?? $order->created_at ?? ($data['pay_at'] ?? now());

        return $payload;
    }

    /**
     * @param  array<string, mixed>  $payload
     */
    private function queuePargarColleagueTrade(Order $order, array $payload, string $accountCode): void
    {
        if (! $this->config->isPargarAccounting()) {
            return;
        }

        $direction = (int) ($payload['direction'] ?? 0);
        $desc = (string) ($payload['sharh_override'] ?? 'معامله با اپلیکیشن همکار');

        PargarSyncLog::create([
            'customer_id' => $order->customer_id,
            'amount' => $payload['amount'] ?? $order->amount,
            'desc' => $desc,
            'order_id' => $order->id,
            'date' => $order->pay_at ?? $order->created_at,
            'type' => PargarSyncService::TYPE_ORDER,
            'sync_status' => PargarSyncService::STATUS_PENDING,
            'data' => json_encode([
                'handler' => 'exportColleagueOrder',
                'colleague_leg' => true,
                'colleague_account_id' => $accountCode,
                'direction' => $direction,
                'price' => $payload['price'] ?? $order->price,
                'total_price' => $payload['total_price'] ?? $order->total_price,
                'payment_kind' => PargarSyncService::PAYMENT_CASH,
                'product_id' => $order->product_id,
                'from_cart' => false,
            ], JSON_UNESCAPED_UNICODE),
        ]);
    }
}