<?php

namespace App\Services\System\Setting;

use App\Enums\OrderChannel;
use App\Settings\MarketplaceSettings;
use App\Support\Marketplace\MarketplaceFeeRule;

class MarketplaceService
{
    /**
     * @return list<string>
     */
    private function tiktokFeeKeys(): array
    {
        return [
            'tiktok_shop_admin_fee',
            'tiktok_shop_transaction_fee',
            'tiktok_shop_payment_fee',
            'tiktok_shop_affiliate_commission',
            'tiktok_shop_shipping_subsidy',
            'tiktok_shop_vat_rate',
        ];
    }

    /**
     * @return list<string>
     */
    private function shopeeFeeKeys(): array
    {
        return [
            'shopee_commission_fee',
            'shopee_transaction_fee',
            'shopee_service_fee',
            'shopee_payment_fee',
            'shopee_affiliate_commission',
            'shopee_shipping_subsidy',
            'shopee_voucher_fee',
        ];
    }

    public function marketplaceData(): array
    {
        $settings = app(MarketplaceSettings::class);

        return [
            'tiktok_shop_admin_fee' => $this->presentFeeRule($settings->tiktok_shop_admin_fee),
            'tiktok_shop_transaction_fee' => $this->presentFeeRule($settings->tiktok_shop_transaction_fee),
            'tiktok_shop_payment_fee' => $this->presentFeeRule($settings->tiktok_shop_payment_fee),
            'tiktok_shop_affiliate_commission' => $this->presentFeeRule($settings->tiktok_shop_affiliate_commission),
            'tiktok_shop_shipping_subsidy' => $this->presentFeeRule($settings->tiktok_shop_shipping_subsidy),
            'tiktok_shop_vat_rate' => $this->presentFeeRule($settings->tiktok_shop_vat_rate),
            'shopee_commission_fee' => $this->presentFeeRule($settings->shopee_commission_fee),
            'shopee_transaction_fee' => $this->presentFeeRule($settings->shopee_transaction_fee),
            'shopee_service_fee' => $this->presentFeeRule($settings->shopee_service_fee),
            'shopee_payment_fee' => $this->presentFeeRule($settings->shopee_payment_fee),
            'shopee_affiliate_commission' => $this->presentFeeRule($settings->shopee_affiliate_commission),
            'shopee_shipping_subsidy' => $this->presentFeeRule($settings->shopee_shipping_subsidy),
            'shopee_voucher_fee' => $this->presentFeeRule($settings->shopee_voucher_fee),
        ];
    }

    public function updateMarketplace(array $validated): void
    {
        $settings = app(MarketplaceSettings::class);

        foreach ($this->tiktokFeeKeys() as $key) {
            $settings->{$key} = $this->normalizeFeeRule($validated[$key]);
        }

        foreach ($this->shopeeFeeKeys() as $key) {
            $settings->{$key} = $this->normalizeFeeRule($validated[$key]);
        }

        $settings->save();
    }

    /**
     * @return array<string, mixed>|null
     */
    public function snapshotForChannel(OrderChannel $channel): ?array
    {
        $settings = app(MarketplaceSettings::class);

        return match ($channel) {
            OrderChannel::SHOPEE => [
                'platform' => 'shopee',
                'fees' => [
                    'commission_fee' => $this->presentFeeRule($settings->shopee_commission_fee),
                    'transaction_fee' => $this->presentFeeRule($settings->shopee_transaction_fee),
                    'service_fee' => $this->presentFeeRule($settings->shopee_service_fee),
                    'payment_fee' => $this->presentFeeRule($settings->shopee_payment_fee),
                    'affiliate_commission' => $this->presentFeeRule($settings->shopee_affiliate_commission),
                    'shipping_subsidy' => $this->presentFeeRule($settings->shopee_shipping_subsidy),
                    'voucher_fee' => $this->presentFeeRule($settings->shopee_voucher_fee),
                ],
            ],
            OrderChannel::TIKTOK => [
                'platform' => 'tiktok',
                'fees' => [
                    'admin_fee' => $this->presentFeeRule($settings->tiktok_shop_admin_fee),
                    'transaction_fee' => $this->presentFeeRule($settings->tiktok_shop_transaction_fee),
                    'payment_fee' => $this->presentFeeRule($settings->tiktok_shop_payment_fee),
                    'affiliate_commission' => $this->presentFeeRule($settings->tiktok_shop_affiliate_commission),
                    'shipping_subsidy' => $this->presentFeeRule($settings->tiktok_shop_shipping_subsidy),
                    'vat_rate' => $this->presentFeeRule($settings->tiktok_shop_vat_rate),
                ],
            ],
            OrderChannel::STORE => null,
        };
    }

    /**
     * @param  array{scope: string, value_type: string, value: float|int|string}  $data
     * @return array{scope: string, value_type: string, value: float}
     */
    private function presentFeeRule(array $data): array
    {
        return MarketplaceFeeRule::fromArray($data)->toArray();
    }

    /**
     * @param  array{scope: string, value_type: string, value: float|int|string}  $data
     * @return array{scope: string, value_type: string, value: float}
     */
    private function normalizeFeeRule(array $data): array
    {
        return MarketplaceFeeRule::fromArray($data)->toArray();
    }
}