<?php

namespace Tests\Feature\Business;

use App\Models\Auth\Permission;
use Illuminate\Http\UploadedFile;
use Illuminate\Validation\ValidationException;
use Modules\EcommerceFinance\Services\SupplierPayableOverrideStore;
use Modules\EcommerceFinance\Services\SupplierStatementMatcher;
use Modules\EcommerceFinance\Services\SupplierStatementStore;
use Modules\EcommerceFinance\Services\SupplierStatementTemplate;
use Tests\Feature\FeatureTestCase;

class SupplierReconciliationTest extends FeatureTestCase
{
    private const HEADER = '快递名称,快递单号,单据编号（采购单号）,创建时间,供应商,条码,规格名称,数量,单价,金额';

    protected function setUp(): void
    {
        parent::setUp();

        $this->user->attachPermission(
            Permission::where('name', 'read-admin-panel')->firstOrFail()
        );
    }

    public function test_finance_page_renders_with_comparison_rules(): void
    {
        $this->seedStatement('晨丰', [
            $this->statementRow('ZSJ-1', '128.00', '2', '256.00'),
        ]);

        $this->loginAs()
            ->get(route('business.pages.show', [
                'section' => 'supplier-reconciliation',
                'page' => 'finance-data',
                'supplier' => '晨丰',
            ]))
            ->assertOk()
            ->assertSeeText('供应商对账')
            ->assertSeeText('财务端数据')
            ->assertSeeText('厂家端数据')
            ->assertSeeText('厂家多')
            ->assertSeeText('取金额低的一方结算')
            ->assertSeeText('对账人')
            ->assertSeeText('下载对账单模板');
    }

    public function test_finance_page_filters_suppliers_by_reconciler(): void
    {
        $store = app(SupplierPayableOverrideStore::class);
        $companyId = (int) $this->company->id;
        $store->save('final:supplier:payment-reconciliation', 'line:000001', [
            'summary_month' => '2026-09', 'supplier' => '晨丰', 'skuCode' => 'ZSJ-1',
            'qty' => '2', 'unitPrice' => '128', 'amount' => '256', 'reconciler' => '张三',
        ], $companyId, null);
        $store->save('final:supplier:payment-reconciliation', 'line:000002', [
            'summary_month' => '2026-09', 'supplier' => '鸣飞家具', 'skuCode' => 'SJ-1',
            'qty' => '1', 'unitPrice' => '96', 'amount' => '96', 'reconciler' => '李四',
        ], $companyId, null);

        $this->loginAs()
            ->get(route('business.pages.show', [
                'section' => 'supplier-reconciliation',
                'page' => 'finance-data',
                'reconciler' => '张三',
            ]))
            ->assertOk()
            ->assertSeeText('对账人')
            ->assertSeeText('张三')
            ->assertSeeText('晨丰')
            ->assertDontSeeText('鸣飞家具');
    }

    public function test_comparison_detail_view_replaces_the_supplier_list(): void
    {
        $store = app(SupplierPayableOverrideStore::class);
        $companyId = (int) $this->company->id;
        $store->save('final:supplier:payment-reconciliation', 'line:000001', [
            'summary_month' => '2026-09', 'supplier' => '晨丰', 'skuCode' => 'ZSJ-1',
            'qty' => '2', 'unitPrice' => '128', 'amount' => '256', 'reconciler' => '张三',
        ], $companyId, null);
        $store->save('final:supplier:payment-reconciliation', 'line:000002', [
            'summary_month' => '2026-09', 'supplier' => '晨丰', 'skuCode' => 'ZSJ-2',
            'qty' => '1', 'unitPrice' => '50', 'amount' => '50', 'reconciler' => '张三',
        ], $companyId, null);
        $this->seedStatement('晨丰', [
            $this->statementRow('ZSJ-1N1097V01', '128.00', '2', '256.00'),
            $this->statementRow('ZSJ-3N1097V01', '80.00', '1', '80.00'),
        ]);

        $this->loginAs()
            ->get(route('business.pages.show', [
                'section' => 'supplier-reconciliation',
                'page' => 'finance-data',
                'supplier' => '晨丰',
            ]))
            ->assertOk()
            ->assertSeeText('比对明细')
            ->assertSeeText('返回供应商列表')
            ->assertSeeText('结算金额')
            ->assertSeeText('ZSJ-3')
            ->assertSeeText('ZSJ-2')
            ->assertDontSeeText('各厂家上传情况');
    }

    public function test_supplier_page_shows_uploads_and_return_rows(): void
    {
        $this->seedStatement('晨丰', [
            $this->statementRow('ZSJ-1', '128.00', '2', '256.00'),
        ]);
        app(SupplierPayableOverrideStore::class)->save(
            'final:supplier:return-reconciliation',
            'line:000001',
            ['summary_month' => '2026-09', 'send_time' => '2026-09-30', 'supplier' => '晨丰', 'barcode' => 'ZSJ-1',
                'sku_name' => '款式十一', 'qty' => '1', 'unit_price' => '128', 'amount' => '128'],
            (int) $this->company->id,
            null,
        );

        $this->loginAs()
            ->get(route('business.pages.show', [
                'section' => 'supplier-reconciliation',
                'page' => 'supplier-data',
                'supplier' => '晨丰',
            ]))
            ->assertOk()
            ->assertSeeText('厂家对账单 · 上传与实时数据')
            ->assertSeeText('上传记录')
            ->assertSeeText('退货扣减确认')
            ->assertSeeText('合计扣减')
            ->assertSeeText('全部确认无异议')
            ->assertSeeText('待确认')
            ->assertSeeText('ZSJ-1');
    }

    public function test_statement_rows_are_paginated_fifteen_per_page(): void
    {
        $rows = [];
        for ($i = 1; $i <= 20; $i++) {
            $rows[] = $this->statementRow(sprintf('ST-%02d', $i), '10.00', '1', '10.00');
        }
        $this->seedStatement('晨丰', $rows);

        $pageUrl = fn (int $page): string => route('business.pages.show', [
            'section' => 'supplier-reconciliation',
            'page' => 'supplier-data',
            'supplier' => '晨丰',
            'rows_page' => $page,
        ]);

        $this->loginAs()->get($pageUrl(1))
            ->assertOk()
            ->assertSeeText('每页 15 行')
            ->assertSeeText('ST-01')
            ->assertDontSeeText('ST-20');

        $this->loginAs()->get($pageUrl(2))
            ->assertOk()
            ->assertSeeText('ST-20')
            ->assertDontSeeText('ST-01');
    }

    public function test_return_rows_show_all_rows_with_pagination(): void
    {
        $store = app(SupplierPayableOverrideStore::class);
        $companyId = (int) $this->company->id;
        for ($i = 1; $i <= 20; $i++) {
            $store->save('final:supplier:return-reconciliation', sprintf('return:%02d', $i), [
                'summary_month' => '2026-09', 'send_time' => '2026-09-18', 'supplier' => '晨丰',
                'barcode' => sprintf('RT-%02d', $i), 'qty' => '1', 'unit_price' => (string) (100 + $i),
                'amount' => (string) (100 + $i), 'warehouse' => '客退临时上架仓',
            ], $companyId, null);
        }
        $this->seedStatement('晨丰', [$this->statementRow('ZSJ-1', '128.00', '2', '256.00')]);

        $pageUrl = fn (int $page): string => route('business.pages.show', [
            'section' => 'supplier-reconciliation',
            'page' => 'supplier-data',
            'supplier' => '晨丰',
            'return_page' => $page,
        ]);

        $this->loginAs()->get($pageUrl(1))
            ->assertOk()
            ->assertSeeText('每页 15 行')
            ->assertSeeText('第 1 / 2 页')
            ->assertSeeText('RT-01')
            ->assertDontSeeText('RT-20');

        $this->loginAs()->get($pageUrl(2))
            ->assertOk()
            ->assertSeeText('第 2 / 2 页')
            ->assertSeeText('RT-20')
            ->assertDontSeeText('RT-01');
    }

    public function test_return_rows_can_be_confirmed_disputed_and_confirmed_all(): void
    {
        $store = app(SupplierPayableOverrideStore::class);
        $companyId = (int) $this->company->id;
        foreach ([
            'return:1' => ['barcode' => 'CJ019316N1097V01', 'qty' => '7', 'unit_price' => '196.50', 'amount' => '1375.50'],
            'return:2' => ['barcode' => 'DNZ016720N1097V01', 'qty' => '7', 'unit_price' => '182.50', 'amount' => '1277.50'],
        ] as $key => $row) {
            $store->save('final:supplier:return-reconciliation', $key, $row + [
                'summary_month' => '2026-09', 'send_time' => '2026-09-13 09:10:24', 'supplier' => '晨丰',
                'warehouse' => '客退临时上架仓', 'title' => '', 'remark' => '',
            ], $companyId, null);
        }
        $this->seedStatement('晨丰', [$this->statementRow('ZSJ-1', '128.00', '2', '256.00')]);

        $page = fn () => $this->loginAs()->get(route('business.pages.show', [
            'section' => 'supplier-reconciliation',
            'page' => 'supplier-data',
            'supplier' => '晨丰',
        ]))->assertOk();

        $page()->assertSeeText('合计扣减 ￥2,653.00');

        $this->loginAs()
            ->post(route('business.supplier-reconciliation.return.confirm'), ['supplier' => '晨丰', 'key' => 'return:1'])
            ->assertStatus(302)
            ->assertSessionHas('success', '已确认该行退货扣减。');

        $page()->assertSeeText('已确认')->assertSeeText('￥1,375.50');

        $this->loginAs()
            ->post(route('business.supplier-reconciliation.return.dispute'), ['supplier' => '晨丰', 'key' => 'return:2'])
            ->assertStatus(302)
            ->assertSessionHas('success', '已提交异议，复核通过前该行暂不扣减。');

        $this->loginAs()
            ->post(route('business.supplier-reconciliation.return.confirm-all'), ['supplier' => '晨丰'])
            ->assertStatus(302)
            ->assertSessionHas('success', '已全部确认：1 行退货扣减生效（异议行保持暂不扣减）。');

        $statuses = app(\Modules\EcommerceFinance\Services\SupplierReturnConfirmation::class)
            ->statuses('晨丰', $companyId);
        $this->assertSame('confirmed', $statuses['return:1']);
        $this->assertSame('disputed', $statuses['return:2'], '一键确认不应覆盖已提交的异议');
    }

    public function test_statement_template_downloads_the_bundled_file(): void
    {
        $this->loginAs()
            ->get(route('business.supplier-reconciliation.template'))
            ->assertOk()
            ->assertHeader('content-type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
    }

    public function test_upload_accepts_a_strictly_formatted_statement(): void
    {
        $file = UploadedFile::fake()->createWithContent(
            'statement.csv',
            "\xEF\xBB\xBF" . self::HEADER . "\n"
            . ",,编号-1,2026-09-30,晨丰,ZSJ-1,规格甲,2,128.00,256.00\n",
        );

        $this->loginAs()
            ->post(route('business.supplier-reconciliation.statement.upload'), [
                'supplier' => '晨丰',
                'import' => $file,
            ])
            ->assertStatus(302)
            ->assertSessionHas('success', '对账单已保存：晨丰 共 1 行。');

        $rows = app(SupplierStatementStore::class)->rows('晨丰', (int) $this->company->id);
        $this->assertCount(1, $rows);
        $this->assertSame('ZSJ-1', $rows[0]['barcode']);
        $this->assertCount(1, app(SupplierStatementStore::class)->uploads('晨丰', (int) $this->company->id));
    }

    public function test_upload_rejects_statements_that_do_not_match_the_template(): void
    {
        $file = UploadedFile::fake()->createWithContent(
            'statement.csv',
            "\xEF\xBB\xBF快递名称,快递单号,单据编号,创建时间,供应商,条码,规格名称,数量,单价,金额\n"
            . ",,编号-1,2026-09-30,晨丰,ZSJ-1,规格甲,2,128.00,256.00\n",
        );

        /** @var ValidationException $exception */
        $exception = null;
        try {
            app(SupplierStatementTemplate::class)->parse($file, '晨丰');
        } catch (ValidationException $caught) {
            $exception = $caught;
        }

        $this->assertNotNull($exception, '表头不一致必须整份失败。');
        $this->assertStringContainsString('表头与模板不一致', $exception->errors()['import'][0]);
    }

    public function test_template_validation_requires_filled_numeric_and_supplier_columns(): void
    {
        $files = [
            'missing-required.csv' => [",,,2026-09-30,晨丰,ZSJ-1,规格甲,,128.00,256.00", '「数量」不能为空'],
            'not-numeric.csv' => [",,,2026-09-30,晨丰,ZSJ-1,规格甲,两件,128.00,256.00", '「数量」必须是数字'],
            'other-supplier.csv' => [",,,2026-09-30,鸣飞家具,ZSJ-1,规格甲,2,128.00,256.00", '不能提交其他厂家的数据'],
        ];

        foreach ($files as $name => [$row, $expectedMessage]) {
            $file = UploadedFile::fake()->createWithContent(
                $name,
                "\xEF\xBB\xBF" . self::HEADER . "\n" . $row . "\n",
            );

            try {
                app(SupplierStatementTemplate::class)->parse($file, '晨丰');
                $this->fail("{$name} 应当校验失败。");
            } catch (ValidationException $exception) {
                $this->assertStringContainsString($expectedMessage, $exception->errors()['import'][0]);
            }
        }
    }

    public function test_matcher_applies_the_agreed_settlement_rules(): void
    {
        $mine = [
            ['skuCode' => 'A-1', 'unitPrice' => '100', 'qty' => '2', 'amount' => '200'],   // 一致
            ['skuCode' => 'B-1', 'unitPrice' => '50', 'qty' => '2', 'amount' => '100'],    // 金额不一致（厂家低）
            ['skuCode' => 'C-1', 'unitPrice' => '30', 'qty' => '1', 'amount' => '30'],     // 厂家少
        ];
        $theirs = [
            ['barcode' => 'A-1', 'unitPrice' => '100', 'qty' => '2', 'amount' => '200'],
            ['barcode' => 'B-1', 'unitPrice' => '50', 'qty' => '1', 'amount' => '50'],
            ['barcode' => 'D-1', 'unitPrice' => '80', 'qty' => '1', 'amount' => '80'],     // 厂家多
        ];

        $result = app(SupplierStatementMatcher::class)->compare($mine, $theirs);

        $this->assertSame(1, $result['summary']['match']);
        $this->assertSame(1, $result['summary']['mismatch']);
        $this->assertSame(1, $result['summary']['supplierMissing']);
        $this->assertSame(1, $result['summary']['supplierExtra']);
        $this->assertSame(330.0, $result['summary']['mineAmount']);
        $this->assertSame(250.0, $result['summary']['settleAmount']);
        $this->assertSame(80.0, $result['summary']['differenceAmount']);

        $byBarcode = collect($result['rows'])->keyBy('barcode');
        $this->assertSame(50.0, $byBarcode['B-1']['settleAmount']);
        $this->assertSame(0.0, $byBarcode['C-1']['settleAmount']);
        $this->assertSame(0.0, $byBarcode['D-1']['settleAmount']);
    }

    public function test_matcher_normalizes_supplier_barcode_suffix(): void
    {
        // 真实场景：我方货号不带厂家后缀，厂家条码带「厂家编号 + 版本」（CJ019312 对 CJ019312N1097V01）
        $mine = [
            ['skuCode' => 'CJ019312', 'unitPrice' => '182.5', 'qty' => '130', 'amount' => '23725'],
            ['skuCode' => 'DNZ037602', 'unitPrice' => '27', 'qty' => '38', 'amount' => '1026'],
        ];
        $theirs = [
            ['barcode' => 'CJ019312N1097V01', 'unitPrice' => '182.5', 'qty' => '130', 'amount' => '23725'],
            ['barcode' => 'DNZ037602N1097V01', 'unitPrice' => '27', 'qty' => '38', 'amount' => '1026'],
        ];

        $result = app(SupplierStatementMatcher::class)->compare($mine, $theirs);

        $this->assertSame(2, $result['summary']['match'], '去掉厂家后缀后应全部一致');
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(0, $result['summary']['mismatch']);
        $this->assertSame(24751.0, $result['summary']['settleAmount']);
        $this->assertSame('CJ019312N1097V01', $result['rows'][0]['supplierBarcode'] ?? null);
    }

    public function test_header_mismatch_message_lists_the_differences(): void
    {
        $file = UploadedFile::fake()->createWithContent(
            'statement.csv',
            "\xEF\xBB\xBF单据编号（采购单号）,创建时间,供应商,条码,数量,单价,金额\n"
            . "编号-1,2026-09-30,晨丰,ZSJ-1,2,128.00,256.00\n",
        );

        try {
            app(SupplierStatementTemplate::class)->parse($file, '晨丰');
            $this->fail('表头不一致应当整份失败。');
        } catch (ValidationException $exception) {
            $message = $exception->errors()['import'][0];
            $this->assertStringContainsString('缺少「快递名称」「快递单号」「规格名称」', $message);
        }
    }

    public function test_template_completes_missing_unit_price_or_amount(): void
    {
        $file = UploadedFile::fake()->createWithContent(
            'statement.csv',
            "\xEF\xBB\xBF" . self::HEADER . "\n"
            . ',,编号-1,2026-09-30,晨丰,ZSJ-1,规格甲,24,,2916' . "\n"   // 单价空 → 2916/24
            . ',,编号-2,2026-09-30,晨丰,ZSJ-2,规格甲,3,10,' . "\n",      // 金额空 → 3×10
        );

        $records = app(SupplierStatementTemplate::class)->parse($file, '晨丰');

        $this->assertCount(2, $records);
        $this->assertSame('121.5', $records[0]['unitPrice']);
        $this->assertSame('2916', $records[0]['amount']);
        $this->assertSame('10', $records[1]['unitPrice']);
        $this->assertSame('30', $records[1]['amount']);
    }

    private function statementRow(string $barcode, string $unitPrice, string $qty, string $amount): array
    {
        return [
            'expressName' => null,
            'expressNo' => null,
            'purchaseNo' => '编号-' . $barcode,
            'createdAt' => '2026-09-30',
            'supplier' => '晨丰',
            'barcode' => $barcode,
            'skuName' => '规格甲',
            'qty' => $qty,
            'unitPrice' => $unitPrice,
            'amount' => $amount,
        ];
    }

    /** @param  list<array<string,mixed>>  $rows */
    private function seedStatement(string $supplier, array $rows): void
    {
        app(SupplierStatementStore::class)->save($supplier, $rows, 'statement.csv', (int) $this->company->id, null);
    }
}