<?php

namespace Modules\AssetExchange\Utils;

use App\Business;
use App\Contact;
use App\Utils\Util;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Schema;

class AssetExchangeUtil
{
    protected $commonUtil;

    public function __construct(Util $commonUtil)
    {
        $this->commonUtil = $commonUtil;
    }

    public function getBusinessId(): int
    {
        return (int) request()->session()->get('user.business_id');
    }

    public function getBusiness(): ?Business
    {
        $business_id = $this->getBusinessId();

        return $business_id ? Business::find($business_id) : null;
    }

    public function getAexSettings($business_id): array
    {
        if (! Schema::hasColumn('business', 'aex_settings')) {
            return [];
        }

        $raw = Business::where('id', $business_id)->value('aex_settings');

        return ! empty($raw) ? (json_decode($raw, true) ?: []) : [];
    }

    public function getContactsDropdown($business_id): array
    {
        $customers = Contact::customersDropdown($business_id, false, true);
        $suppliers = Contact::suppliersDropdown($business_id, false, true);

        $customers = $customers instanceof \Illuminate\Support\Collection
            ? $customers->toArray()
            : (array) $customers;

        $suppliers = $suppliers instanceof \Illuminate\Support\Collection
            ? $suppliers->toArray()
            : (array) $suppliers;

        return $customers + $suppliers;
    }

    public function formatMoney($amount, $businessOrId = null): string
    {
        $business = $this->resolveBusinessContext($businessOrId);

        return $this->commonUtil->num_f($amount, true, $business);
    }

    protected function resolveBusinessContext($businessOrId = null): ?Business
    {
        if ($businessOrId instanceof Business) {
            return $businessOrId;
        }

        if ($businessOrId) {
            return Business::find($businessOrId);
        }

        $businessId = $this->getBusinessId();

        return $businessId ? Business::find($businessId) : null;
    }

    public function parseInputDate(?string $date): ?string
    {
        if (empty($date)) {
            return null;
        }

        if (function_exists('jalali_to_gregorian')) {
            $converted = jalali_to_gregorian($date, session('business.date_format', 'Y/m/d'), false);
            if (! empty($converted) && preg_match('/^\d{4}-\d{2}-\d{2}/', $converted)) {
                return $converted;
            }
        }

        return $this->commonUtil->uf_date($date);
    }

    public function parseInputDateTime(?string $date): ?string
    {
        if (empty($date)) {
            return null;
        }

        if (function_exists('jalali_to_gregorian')) {
            $converted = jalali_to_gregorian($date, session('business.date_format', 'Y/m/d'), true);
            if (! empty($converted) && preg_match('/^\d{4}-\d{2}-\d{2}/', $converted)) {
                return $converted;
            }
        }

        return $this->commonUtil->uf_date($date, true);
    }

    public function formatDate($date): ?string
    {
        if (empty($date)) {
            return null;
        }

        try {
            $carbon = $date instanceof \Carbon\Carbon ? $date->copy() : \Carbon\Carbon::parse($date);
            $format = session('business.date_format', 'Y/m/d');
            $formatted = format_jalali_date($carbon, $format);

            return function_exists('persian_number') ? persian_number($formatted) : $formatted;
        } catch (\Exception $e) {
            return format_date($date);
        }
    }

    public function formatDateTime($date): ?string
    {
        if (empty($date)) {
            return null;
        }

        try {
            $carbon = $date instanceof \Carbon\Carbon ? $date->copy() : \Carbon\Carbon::parse($date);
            $format = session('business.date_format', 'Y/m/d');
            $time_format = session('business.time_format', 24) == 12 ? ' h:i A' : ' H:i';
            $formatted = format_jalali_date($carbon, $format.$time_format);

            return function_exists('persian_number') ? persian_number($formatted) : $formatted;
        } catch (\Exception $e) {
            return format_datetime($date);
        }
    }

    public function jsonOrRedirect(Request $request, bool $success, string $msg, ?string $redirect = null)
    {
        $output = ['success' => $success, 'msg' => $msg];

        if ($request->ajax() || $request->wantsJson()) {
            return response()->json($output);
        }

        if ($success) {
            return redirect()->to($redirect ?? url()->previous())->with('status', $msg);
        }

        return redirect()->back()->with('status', $msg);
    }

    public function generateListingCode($business_id): string
    {
        $settings = $this->getAexSettings($business_id);
        $prefix = $settings['listing_code_prefix'] ?? 'AEX';
        $ref_count = $this->commonUtil->setAndGetReferenceCount('aex_listing', $business_id);
        $ref_digits = str_pad($ref_count, 4, '0', STR_PAD_LEFT);

        return $prefix.'-'.\Carbon\Carbon::now()->format('Ym').'-'.$ref_digits;
    }

    public function generateAppraisalNumber($business_id): string
    {
        $settings = $this->getAexSettings($business_id);
        $prefix = $settings['appraisal_number_prefix'] ?? 'AAPR';
        $ref_count = $this->commonUtil->setAndGetReferenceCount('aex_appraisal', $business_id);
        $ref_digits = str_pad($ref_count, 4, '0', STR_PAD_LEFT);

        return $prefix.'-'.\Carbon\Carbon::now()->format('Ym').'-'.$ref_digits;
    }

    public function generateDealCode($business_id): string
    {
        $settings = $this->getAexSettings($business_id);
        $prefix = $settings['deal_code_prefix'] ?? 'ADL';
        $ref_count = $this->commonUtil->setAndGetReferenceCount('aex_deal', $business_id);
        $ref_digits = str_pad($ref_count, 4, '0', STR_PAD_LEFT);

        return $prefix.'-'.\Carbon\Carbon::now()->format('Ym').'-'.$ref_digits;
    }

    public function generateInquiryCode($business_id): string
    {
        $prefix = $this->getAexSettings($business_id)['inquiry_code_prefix'] ?? 'ARFQ';
        $ref_count = $this->commonUtil->setAndGetReferenceCount('aex_inquiry', $business_id);
        $ref_digits = str_pad($ref_count, 4, '0', STR_PAD_LEFT);

        return $prefix.'-'.\Carbon\Carbon::now()->format('Ym').'-'.$ref_digits;
    }

    public function generateResearchCaseCode($business_id): string
    {
        $prefix = $this->getAexSettings($business_id)['research_case_prefix'] ?? 'ARES';
        $ref_count = $this->commonUtil->setAndGetReferenceCount('aex_research_case', $business_id);
        $ref_digits = str_pad($ref_count, 4, '0', STR_PAD_LEFT);

        return $prefix.'-'.\Carbon\Carbon::now()->format('Ym').'-'.$ref_digits;
    }

    public function researchCategoryLabels(): array
    {
        return [
            'market_research' => 'تحقیق بازار',
            'technical' => 'فنی',
            'pricing' => 'قیمت‌گذاری',
            'sourcing' => 'تأمین',
            'feasibility' => 'امکان‌سنجی',
            'general' => 'عمومی',
        ];
    }

    public function researchCategoryLabel(?string $cat): string
    {
        return $this->researchCategoryLabels()[$cat] ?? ($cat ?: '—');
    }

    public function statusLabels(): array
    {
        return [
            'draft' => 'پیش‌نویس',
            'submitted' => 'ارسال‌شده',
            'under_review' => 'در حال بررسی',
            'appraised' => 'کارشناسی‌شده',
            'in_deal' => 'در معامله',
            'sold' => 'فروخته‌شده',
            'withdrawn' => 'لغو توسط عرضه‌کننده',
            'rejected' => 'رد‌شده',
            'field_visit' => 'بازدید میدانی',
            'teardown' => 'تفکیک فنی',
            'priced' => 'قیمت‌گذاری‌شده',
            'approved' => 'تأیید‌شده',
            'negotiating' => 'در حال مذاکره',
            'quoted' => 'پیش‌فاکتور',
            'contracted' => 'قرارداد‌شده',
            'in_progress' => 'در حال اجرا',
            'completed' => 'تکمیل‌شده',
            'cancelled' => 'لغو‌شده',
            'pending' => 'در انتظار',
            'accepted' => 'پذیرفته‌شده',
            'declined' => 'رد‌شده',
            'expired' => 'منقضی‌شده',
            'paid' => 'پرداخت‌شده',
        ];
    }

    public function statusLabel(?string $status): string
    {
        return $this->statusLabels()[$status] ?? ($status ?: '—');
    }

    public function listingTypeLabels(): array
    {
        return [
            'machine_new' => 'ماشین نو',
            'machine_used' => 'ماشین دست‌دوم',
            'production_line_full' => 'خط تولید کامل',
            'production_line_partial' => 'بخشی از خط تولید',
            'subsystem' => 'زیرسیستم',
            'spare_lot' => 'قطعات/لوازم',
        ];
    }

    public function listingTypeLabel(?string $type): string
    {
        return $this->listingTypeLabels()[$type] ?? ($type ?: '—');
    }

    public function dealTypeLabels(): array
    {
        return [
            'company_purchase' => 'خرید برای شرکت',
            'brokerage' => 'واسطه‌گری',
            'appraisal_only' => 'فقط کارشناسی',
            'renovation_contract' => 'قرارداد نوسازی',
            'consignment' => 'امانی',
        ];
    }

    public function dealTypeLabel(?string $type): string
    {
        return $this->dealTypeLabels()[$type] ?? ($type ?: '—');
    }
}