<?php

namespace Modules\EcommerceFinance\Http\Controllers\Api;

use App\Abstracts\Http\ApiController;
use Closure;
use Modules\EcommerceFinance\Repositories\SupplierPayableRepository;
use Modules\EcommerceFinance\Services\JianSunQueryCache;
use Modules\EcommerceFinance\Services\SupplierPayableOverrideStore;

/**
 * 供应商应付 - 子功能页面 API
 *
 * 为 5 个子页面提供数据接口：
 *   退货对账  : /return-reconciliations      + /return-reconciliations/summary  + /return-reconciliations/options
 *   发票扣款  : /invoice-deductions          + /invoice-deductions/summary      + /invoice-deductions/options
 *   赔偿明细  : /compensation-details        + /compensation-details/summary    + /compensation-details/options
 *   借支明细  : /advance-details             + /advance-details/summary         + /advance-details/options
 *   样品扣款  : /sample-deductions           + /sample-deductions/summary       + /sample-deductions/options
 */
class SupplierPayables extends ApiController
{
    private SupplierPayableRepository $repo;

    private JianSunQueryCache $cache;

    public function __construct(SupplierPayableRepository $repo, JianSunQueryCache $cache, private readonly SupplierPayableOverrideStore $overrides)
    {
        $this->repo = $repo;
        $this->cache = $cache;
    }

    // ============================================================
    // 退货对账
    // ============================================================
    public function returnReconciliationsIndex()
    {
        $filters = $this->filters('return');

        return $this->listResponse(
            'return-reconciliations',
            $filters,
            fn (int $page, int $limit) => $this->repo->returnReconciliations($filters, $page, $limit)
        );
    }

    public function returnReconciliationsSummary()
    {
        $filters = $this->filters('return');

        return $this->summaryResponse(
            'return-reconciliations',
            $filters,
            fn () => $this->repo->returnReconciliationSummary($filters)
        );
    }

    public function returnReconciliationsOptions()
    {
        return $this->optionsResponse(
            'return-reconciliations',
            fn () => $this->repo->filterOptionsForReturn()
        );
    }

    // ============================================================
    // 发票扣款
    // ============================================================
    public function invoiceDeductionsIndex()
    {
        $filters = $this->filters('invoice');

        return $this->listResponse(
            'invoice-deductions',
            $filters,
            fn (int $page, int $limit) => $this->repo->invoiceDeductions($filters, $page, $limit)
        );
    }

    public function invoiceDeductionsSummary()
    {
        $filters = $this->filters('invoice');

        return $this->summaryResponse(
            'invoice-deductions',
            $filters,
            fn () => $this->repo->invoiceDeductionSummary($filters)
        );
    }

    public function invoiceDeductionsOptions()
    {
        return $this->optionsResponse(
            'invoice-deductions',
            fn () => $this->repo->filterOptionsForInvoice()
        );
    }

    // ============================================================
    // 赔偿明细
    // ============================================================
    public function compensationDetailsIndex()
    {
        $filters = $this->filters('compensation');

        return $this->listResponse(
            'compensation-details',
            $filters,
            fn (int $page, int $limit) => $this->repo->compensationDetails($filters, $page, $limit)
        );
    }

    public function compensationDetailsSummary()
    {
        $filters = $this->filters('compensation');

        return $this->summaryResponse(
            'compensation-details',
            $filters,
            fn () => $this->repo->compensationDetailSummary($filters)
        );
    }

    public function compensationDetailsOptions()
    {
        return $this->optionsResponse(
            'compensation-details',
            fn () => $this->repo->filterOptionsForCompensation()
        );
    }

    // ============================================================
    // 借支明细
    // ============================================================
    public function advanceDetailsIndex()
    {
        $filters = $this->filters('advance');

        return $this->listResponse(
            'advance-details',
            $filters,
            fn (int $page, int $limit) => $this->repo->advanceDetails($filters, $page, $limit)
        );
    }

    public function advanceDetailsSummary()
    {
        $filters = $this->filters('advance');

        return $this->summaryResponse(
            'advance-details',
            $filters,
            fn () => $this->repo->advanceDetailSummary($filters)
        );
    }

    public function advanceDetailsOptions()
    {
        return $this->optionsResponse(
            'advance-details',
            fn () => $this->repo->filterOptionsForAdvance()
        );
    }

    // ============================================================
    // 送货未定价
    // ============================================================
    public function deliveryUnpricedIndex()
    {
        $filters = $this->filters('delivery-unpriced');

        return $this->listResponse(
            'delivery-unpriced',
            $filters,
            fn (int $page, int $limit) => $this->repo->deliveryUnpriced($filters, $page, $limit)
        );
    }

    public function deliveryUnpricedSummary()
    {
        $filters = $this->filters('delivery-unpriced');

        return $this->summaryResponse(
            'delivery-unpriced',
            $filters,
            fn () => $this->repo->deliveryUnpricedSummary($filters)
        );
    }

    public function deliveryUnpricedOptions()
    {
        return $this->optionsResponse(
            'delivery-unpriced',
            fn () => $this->repo->filterOptionsForDeliveryUnpriced()
        );
    }

    // ============================================================
    // 退货未定价
    // ============================================================
    public function returnUnpricedIndex()
    {
        $filters = $this->filters('return-unpriced');

        return $this->listResponse(
            'return-unpriced',
            $filters,
            fn (int $page, int $limit) => $this->repo->returnUnpriced($filters, $page, $limit)
        );
    }

    public function returnUnpricedSummary()
    {
        $filters = $this->filters('return-unpriced');

        return $this->summaryResponse(
            'return-unpriced',
            $filters,
            fn () => $this->repo->returnUnpricedSummary($filters)
        );
    }

    public function returnUnpricedOptions()
    {
        return $this->optionsResponse(
            'return-unpriced',
            fn () => $this->repo->filterOptionsForReturnUnpriced()
        );
    }

    // ============================================================
    // 样品扣款
    // ============================================================
    public function sampleDeductionsIndex()
    {
        $filters = $this->filters('sample');

        return $this->listResponse(
            'sample-deductions',
            $filters,
            fn (int $page, int $limit) => $this->repo->sampleDeductions($filters, $page, $limit)
        );
    }

    public function sampleDeductionsSummary()
    {
        $filters = $this->filters('sample');

        return $this->summaryResponse(
            'sample-deductions',
            $filters,
            fn () => $this->repo->sampleDeductionSummary($filters)
        );
    }

    public function sampleDeductionsOptions()
    {
        return $this->optionsResponse(
            'sample-deductions',
            fn () => $this->repo->filterOptionsForSample()
        );
    }

    // ============================================================
    // 其他扣款补款
    // ============================================================
    public function otherAdjustmentsIndex()
    {
        $filters = $this->filters('other-adjustments');

        return $this->listResponse(
            'other-adjustments',
            $filters,
            fn (int $page, int $limit) => $this->repo->otherAdjustments($filters, $page, $limit)
        );
    }

    public function otherAdjustmentsSummary()
    {
        $filters = $this->filters('other-adjustments');

        return $this->summaryResponse(
            'other-adjustments',
            $filters,
            fn () => $this->repo->otherAdjustmentsSummary($filters)
        );
    }

    public function otherAdjustmentsOptions()
    {
        return $this->optionsResponse(
            'other-adjustments',
            fn () => $this->repo->filterOptionsForOtherAdjustments()
        );
    }

    // ============================================================
    // 代发快递
    // ============================================================
    public function dropshippingExpressIndex()
    {
        $filters = $this->filters('dropshipping-express');

        return $this->listResponse(
            'dropshipping-express',
            $filters,
            fn (int $page, int $limit) => $this->repo->dropshippingExpress($filters, $page, $limit)
        );
    }

    public function dropshippingExpressSummary()
    {
        $filters = $this->filters('dropshipping-express');

        return $this->summaryResponse(
            'dropshipping-express',
            $filters,
            fn () => $this->repo->dropshippingExpressSummary($filters)
        );
    }

    public function dropshippingExpressOptions()
    {
        return $this->optionsResponse(
            'dropshipping-express',
            fn () => $this->repo->filterOptionsForDropshippingExpress()
        );
    }

    // ============================================================
    // Helpers
    // ============================================================
    private function listResponse(string $scope, array $filters, Closure $resolver)
    {
        $page = $this->page();
        $limit = $this->limit();
        $cacheParameters = ['filters' => $filters, 'page' => $page, 'limit' => $limit];
        if ($scope === 'other-adjustments') {
            $cacheParameters['format_version'] = 2;
        }
        $result = $this->cache->remember(
            $scope . '.list',
            $cacheParameters,
            fn () => $resolver($page, $limit)
        );

        $result['data'] = $this->overrides->decorate($scope, $result['data'] ?? [], (int) (company_id() ?: 1));

        return $this->snapshotResponse([
            'data' => $result['data'],
            'total' => $result['total'],
            'page' => $page,
            'per_page' => $limit,
            'last_page' => (int) ceil(max($result['total'], 0) / $limit),
        ]);
    }

    private function summaryResponse(string $scope, array $filters, Closure $resolver)
    {
        return $this->snapshotResponse($this->cache->remember(
            $scope . '.summary',
            ['filters' => $filters],
            $resolver
        ));
    }

    private function optionsResponse(string $scope, Closure $resolver)
    {
        return $this->snapshotResponse($this->cache->remember(
            $scope . '.options',
            [],
            $resolver
        ));
    }

    private function snapshotResponse(array $payload)
    {
        $response = response()->json($payload);

        foreach ($this->cache->responseHeaders() as $name => $value) {
            $response->headers->set($name, $value);
        }

        return $response;
    }

    private function filters(string $type): array
    {
        $filters = [];

        // 通用文本字段
        $text = ['supplier', 'warehouse', 'sku_id', 'express_no', 'creator', 'department', 'purchase', 'barcode', 'express_name'];
        foreach ($text as $field) {
            if ($val = request($field)) {
                $filters[$field] = trim($val);
            }
        }

        // 日期
        foreach (['date_from', 'date_to', 'month_from', 'month_to'] as $field) {
            if ($val = request($field)) {
                $filters[$field] = $val;
            }
        }

        return $filters;
    }

    private function page(): int
    {
        return max((int) request('page', 1), 1);
    }

    private function limit(): int
    {
        return min(max((int) request('limit', 25), 1), 100);
    }
}