<?php

namespace Database\Seeders;

use App\Models\Country;
use App\Models\ShippingRate;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\Schema;

class SampleShippingRatesSeeder extends Seeder
{
    public function run(): void
    {
        // بررسی zoneهای موجود در جدول
        $allColumns = Schema::getColumnListing('shipping_rates');
        $zoneColumns = array_filter($allColumns, fn($col) => str_starts_with($col, 'zone_'));
        $zoneCount = count($zoneColumns);
        
        $this->command->info("📊 Found {$zoneCount} zones in shipping_rates table");
        $this->command->info("   Zones: " . implode(', ', $zoneColumns));
        $this->command->info('');

        // ─── نرخ پایه برای هر zone (PARCEL Export) ──────────
        // قیمت‌ها به درهم برای وزن‌های مختلف
        // Zone 1: نزدیک‌ترین (Gulf)
        // Zone 2-5: متوسط تا دور
        // Zone 6+: خیلی دور (با ۲۰٪ افزایش نسبت به zone قبلی)
        
        $baseParcelRates = [
            0.5  => [25,  35,  50,  65,  85],
            1.0  => [40,  55,  80,  100, 130],
            2.0  => [65,  90,  130, 165, 210],
            5.0  => [120, 170, 240, 310, 400],
            10.0 => [200, 290, 410, 530, 680],
            20.0 => [350, 510, 720, 930, 1200],
            30.0 => [480, 700, 990, 1280, 1650],
        ];

        $this->command->info('📦 Creating Export Parcel rates...');
        foreach ($baseParcelRates as $weight => $zones) {
            $rateData = [
                'direction' => 'export',
                'type' => 'PARCEL',
                'weight' => $weight,
            ];
            
            // اضافه کردن zone‌های موجود
            for ($i = 1; $i <= $zoneCount; $i++) {
                if (isset($zones[$i - 1])) {
                    $rateData["zone_{$i}"] = $zones[$i - 1];
                } else {
                    // Zone بیشتر از ۵ = افزایش ۲۰٪ نسبت به قبلی
                    $prevZone = $rateData["zone_" . ($i - 1)] ?? end($zones);
                    $rateData["zone_{$i}"] = round($prevZone * 1.2);
                }
            }
            
            ShippingRate::firstOrCreate(
                [
                    'direction' => 'export',
                    'type' => 'PARCEL',
                    'weight' => $weight,
                ],
                $rateData
            );
        }
        $this->command->info('  ✅ ' . count($baseParcelRates) . ' Parcel rates created');

        // ─── DOC_NORMAL Export ────────────────────────
        $baseDocNormalRates = [
            0.5  => [30,  42,  60,  78,  100],
            1.0  => [50,  70,  100, 130, 165],
            2.0  => [80,  110, 160, 205, 260],
            5.0  => [150, 210, 300, 390, 500],
            10.0 => [250, 360, 510, 660, 850],
        ];

        $this->command->info('📄 Creating Export DOC_NORMAL rates...');
        foreach ($baseDocNormalRates as $weight => $zones) {
            $rateData = [
                'direction' => 'export',
                'type' => 'DOC_NORMAL',
                'weight' => $weight,
            ];
            
            for ($i = 1; $i <= $zoneCount; $i++) {
                if (isset($zones[$i - 1])) {
                    $rateData["zone_{$i}"] = $zones[$i - 1];
                } else {
                    $prevZone = $rateData["zone_" . ($i - 1)] ?? end($zones);
                    $rateData["zone_{$i}"] = round($prevZone * 1.2);
                }
            }
            
            ShippingRate::firstOrCreate(
                [
                    'direction' => 'export',
                    'type' => 'DOC_NORMAL',
                    'weight' => $weight,
                ],
                $rateData
            );
        }
        $this->command->info('  ✅ ' . count($baseDocNormalRates) . ' DOC_NORMAL rates created');

        // ─── DOC_ECONOMY Export ───────────────────────
        $baseDocEconomyRates = [
            0.5  => [20,  28,  40,  52,  67],
            1.0  => [35,  48,  68,  88,  112],
            2.0  => [55,  76,  108, 140, 178],
            5.0  => [105, 145, 208, 270, 345],
        ];

        $this->command->info('📃 Creating Export DOC_ECONOMY rates...');
        foreach ($baseDocEconomyRates as $weight => $zones) {
            $rateData = [
                'direction' => 'export',
                'type' => 'DOC_ECONOMY',
                'weight' => $weight,
            ];
            
            for ($i = 1; $i <= $zoneCount; $i++) {
                if (isset($zones[$i - 1])) {
                    $rateData["zone_{$i}"] = $zones[$i - 1];
                } else {
                    $prevZone = $rateData["zone_" . ($i - 1)] ?? end($zones);
                    $rateData["zone_{$i}"] = round($prevZone * 1.2);
                }
            }
            
            ShippingRate::firstOrCreate(
                [
                    'direction' => 'export',
                    'type' => 'DOC_ECONOMY',
                    'weight' => $weight,
                ],
                $rateData
            );
        }
        $this->command->info('  ✅ ' . count($baseDocEconomyRates) . ' DOC_ECONOMY rates created');

        // ─── Update Country Zones ─────────────────────
        $this->command->info('');
        $this->command->info('🌍 Updating country zones...');
        
        // امارات و کشورهای حاشیه خلیج فارس = Zone 1
        $zone1IsoCodes = ['AE', 'QA', 'KW', 'BH', 'OM', 'SA', 'IQ', 'TR'];
        Country::whereIn('iso_code', $zone1IsoCodes)->update([
            'export_zone_parcel' => 1,
            'export_zone_doc' => 1,
            'import_zone_parcel' => 1,
            'import_zone_doc' => 1,
        ]);
        $this->command->info('  ✅ Zone 1 (Gulf): ' . count($zone1IsoCodes) . ' countries');

        // خاورمیانه و آسیای مرکزی = Zone 2
        $zone2IsoCodes = ['PK', 'IN', 'AF', 'AZ', 'AM', 'GE', 'KZ', 'UZ', 'TM', 'TJ', 'KG'];
        Country::whereIn('iso_code', $zone2IsoCodes)->update([
            'export_zone_parcel' => 2,
            'export_zone_doc' => 2,
            'import_zone_parcel' => 2,
            'import_zone_doc' => 2,
        ]);
        $this->command->info('  ✅ Zone 2 (Central Asia): ' . count($zone2IsoCodes) . ' countries');

        // اروپا = Zone 3
        $europeanCountries = Country::whereIn('iso_code', [
            'DE', 'FR', 'IT', 'ES', 'GB', 'NL', 'BE', 'AT', 'CH', 'SE', 'NO', 'DK', 
            'FI', 'IE', 'PT', 'GR', 'PL', 'CZ', 'HU', 'RO', 'BG', 'HR', 'SI', 'SK', 
            'EE', 'LV', 'LT'
        ])->update([
            'export_zone_parcel' => 3,
            'export_zone_doc' => 3,
            'import_zone_parcel' => 3,
            'import_zone_doc' => 3,
        ]);
        $this->command->info("  ✅ Zone 3 (Europe): {$europeanCountries} countries");

        // شرق آسیا = Zone 4
        $zone4IsoCodes = ['CN', 'JP', 'KR', 'SG', 'MY', 'TH', 'VN', 'PH', 'ID', 'TW', 'HK'];
        Country::whereIn('iso_code', $zone4IsoCodes)->update([
            'export_zone_parcel' => 4,
            'export_zone_doc' => 4,
            'import_zone_parcel' => 4,
            'import_zone_doc' => 4,
        ]);
        $this->command->info('  ✅ Zone 4 (East Asia): ' . count($zone4IsoCodes) . ' countries');

        // آمریکا = Zone 5
        $zone5IsoCodes = ['US', 'CA', 'MX', 'BR', 'AR', 'CL', 'AU', 'NZ'];
        Country::whereIn('iso_code', $zone5IsoCodes)->update([
            'export_zone_parcel' => 5,
            'export_zone_doc' => 5,
            'import_zone_parcel' => 5,
            'import_zone_doc' => 5,
        ]);
        $this->command->info('  ✅ Zone 5 (Americas/Oceania): ' . count($zone5IsoCodes) . ' countries');

        // کشورهای باقی‌مانده = Zone 6 (اگر وجود دارد) یا Zone 5
        $defaultZone = $zoneCount >= 6 ? 6 : ($zoneCount >= 5 ? 5 : min($zoneCount, 3));
        $updated = Country::whereNull('export_zone_parcel')
            ->orWhere('export_zone_parcel', 0)
            ->update([
                'export_zone_parcel' => $defaultZone,
                'export_zone_doc' => $defaultZone,
                'import_zone_parcel' => $defaultZone,
                'import_zone_doc' => $defaultZone,
            ]);
        $this->command->info("  ✅ Remaining → Zone {$defaultZone}: {$updated} countries");

        $this->command->info('');
        $this->command->info('🎉 All shipping rates and zones seeded successfully!');
    }
}