<?php

namespace Tests\Unit\EcommerceFinance;

use Modules\EcommerceFinance\Services\SupplierStatementMatcher;
use Tests\TestCase;

class SupplierStatementMatcherTest extends TestCase
{
    public function test_purchase_and_barcode_match_with_date_difference(): void
    {
        $mine = [[
            'purchaseNo' => '879735',
            'date' => '2026-09-10',
            'skuCode' => 'DNZ033609',
            'productCode' => 'DNZ033609N1178V01',
            'unitPrice' => '100',
            'qty' => '20',
            'amount' => '2000',
        ]];
        $theirs = [[
            'purchaseNo' => '879735',
            'createdAt' => '2026-09-17',
            'barcode' => 'DNZ033609N1097V01',
            'unitPrice' => '100',
            'qty' => '20',
            'amount' => '2000',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(1, $result['summary']['match']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(0, $result['summary']['mismatch']);
        $this->assertSame(0.0, $result['summary']['differenceAmount']);
        $this->assertSame(2000.0, $result['summary']['settleAmount']);
        $this->assertSame(7, $result['rows'][0]['dateToleranceDays']);
        $this->assertSame(2, $result['rows'][0]['matchedByLayer']);
        $this->assertStringContainsString('已忽略日期差异', $result['rows'][0]['note']);
    }

    public function test_purchase_and_barcode_match_has_no_seven_day_limit(): void
    {
        $mine = [[
            'purchaseNo' => '879735',
            'date' => '2026-09-10',
            'skuCode' => 'DNZ033609',
            'qty' => '20',
            'amount' => '2000',
        ]];
        $theirs = [[
            'purchaseNo' => '879735',
            'createdAt' => '2026-09-18',
            'barcode' => 'DNZ033609N1097V01',
            'qty' => '20',
            'amount' => '2000',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(1, $result['summary']['match']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(8, $result['rows'][0]['dateDifferenceDays']);
    }

    public function test_purchase_and_barcode_match_then_reports_quantity_and_amount_difference(): void
    {
        $mine = [[
            'purchaseNo' => '879735',
            'date' => '2026-09-10',
            'skuCode' => 'DNZ033609',
            'qty' => '20',
            'amount' => '2000',
        ]];
        $theirs = [[
            'purchaseNo' => '879735',
            'createdAt' => '2026-09-12',
            'barcode' => 'DNZ033609N1097V01',
            'qty' => '19',
            'amount' => '1900',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(0, $result['summary']['match']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(1, $result['summary']['mismatch']);
        $this->assertSame(-1.0, $result['rows'][0]['qtyDifference']);
        $this->assertSame(-100.0, $result['rows'][0]['amountDifference']);
        $this->assertStringContainsString('采购单号+商品编码匹配', $result['rows'][0]['note']);
    }

    public function test_purchase_and_barcode_match_with_unrecognized_supplier_date(): void
    {
        $mine = [[
            'purchaseNo' => '879735',
            'date' => '2026-10-10',
            'skuCode' => 'SJ009363',
            'productCode' => 'SJ009363N160V01',
            'qty' => '130',
            'amount' => '12350',
        ]];
        $theirs = [[
            'purchaseNo' => '879735',
            'createdAt' => '2026.1',
            'barcode' => 'SJ009363N160V01',
            'qty' => '130',
            'amount' => '12350',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(1, $result['summary']['match']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(0, $result['summary']['mismatch']);
        $this->assertSame('2026-10-10', $result['rows'][0]['date']);
        $this->assertSame(2, $result['rows'][0]['matchedByLayer']);
        $this->assertStringContainsString('已忽略日期差异', $result['rows'][0]['note']);
    }

    public function test_purchase_and_barcode_aggregate_then_report_ambiguous_quantity(): void
    {
        $mine = [
            [
                'purchaseNo' => '879735',
                'date' => '2026-10-10',
                'skuCode' => 'SJ009363',
                'qty' => '130',
                'amount' => '12350',
            ],
            [
                'purchaseNo' => '879735',
                'date' => '2026-10-12',
                'skuCode' => 'SJ009363',
                'qty' => '130',
                'amount' => '12350',
            ],
        ];
        $theirs = [[
            'purchaseNo' => '879735',
            'createdAt' => '2026.1',
            'barcode' => 'SJ009363N160V01',
            'qty' => '130',
            'amount' => '12350',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(0, $result['summary']['match']);
        $this->assertSame(1, $result['summary']['mismatch']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(260.0, $result['rows'][0]['mineQty']);
        $this->assertSame(130.0, $result['rows'][0]['theirsQty']);
    }

    public function test_purchase_and_barcode_match_aggregates_mine_rows_across_dates(): void
    {
        $mine = [
            [
                'purchaseNo' => '923923',
                'date' => '2026-10-03',
                'skuCode' => 'CBG011611',
                'qty' => '36',
                'amount' => '2466',
            ],
            [
                'purchaseNo' => '923923',
                'date' => '2026-10-04',
                'skuCode' => 'CBG011611',
                'qty' => '44',
                'amount' => '3014',
            ],
        ];
        $theirs = [[
            'purchaseNo' => '923923',
            'createdAt' => '2026.1',
            'barcode' => 'CBG011611N160V01',
            'qty' => '80',
            'amount' => '5480',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(1, $result['summary']['match']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(80.0, $result['rows'][0]['mineQty']);
        $this->assertSame(5480.0, $result['rows'][0]['mineAmount']);
        $this->assertSame(2, $result['rows'][0]['dateCount']);
        $this->assertSame(2, $result['rows'][0]['matchedByLayer']);
        $this->assertStringContainsString('已忽略日期差异', $result['rows'][0]['note']);
    }

    public function test_same_amount_rows_with_different_purchase_numbers_are_all_retained(): void
    {
        $mine = [
            [
                'purchaseNo' => '911299',
                'date' => '2026-10-10',
                'skuCode' => 'XG007322',
                'productCode' => 'XG007322N160V01',
                'qty' => '30',
                'amount' => '4530',
            ],
            [
                'purchaseNo' => '941858',
                'date' => '2026-10-10',
                'skuCode' => 'XG007322',
                'productCode' => 'XG007322N160V01',
                'qty' => '30',
                'amount' => '4530',
            ],
        ];
        $theirs = [[
            'purchaseNo' => '941858',
            'createdAt' => '2026.1',
            'barcode' => 'XG007322N160V01',
            'qty' => '30',
            'amount' => '4530',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(1, $result['summary']['match']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(1, $result['summary']['supplierMissing']);
        $this->assertSame(9060.0, $result['summary']['mineAmount']);
        $this->assertSame(4530.0, $result['summary']['theirsAmount']);
        $this->assertSame(4530.0, $result['summary']['differenceAmount']);
        $this->assertCount(2, $result['rows']);
        $this->assertSame('911299', $result['rows'][0]['purchaseNo']);
        $this->assertSame(SupplierStatementMatcher::TYPE_SUPPLIER_MISSING, $result['rows'][0]['type']);
        $this->assertSame('941858', $result['rows'][1]['purchaseNo']);
        $this->assertSame(SupplierStatementMatcher::TYPE_MATCH, $result['rows'][1]['type']);
    }

    public function test_regression_keeps_real_missing_and_extra_lines_without_hiding_source_rows(): void
    {
        $mine = [
            [
                'purchaseNo' => '911299',
                'date' => '2026-10-10',
                'skuCode' => 'XG007322',
                'qty' => '30',
                'amount' => '4530',
            ],
            [
                'purchaseNo' => '941858',
                'date' => '2026-10-10',
                'skuCode' => 'XG007322',
                'qty' => '30',
                'amount' => '4530',
            ],
            [
                'purchaseNo' => '923923',
                'date' => '2026-10-03',
                'skuCode' => 'CBG011611',
                'qty' => '36',
                'amount' => '2466',
            ],
            [
                'purchaseNo' => '923923',
                'date' => '2026-10-04',
                'skuCode' => 'CBG011611',
                'qty' => '44',
                'amount' => '3014',
            ],
            [
                'purchaseNo' => '937779',
                'date' => '2026-10-20',
                'skuCode' => 'SJ009363',
                'qty' => '130',
                'amount' => '12350',
            ],
        ];
        $theirs = [
            [
                'purchaseNo' => '941858',
                'createdAt' => '2026.1',
                'barcode' => 'XG007322N160V01',
                'qty' => '30',
                'amount' => '4530',
            ],
            [
                'purchaseNo' => '923923',
                'createdAt' => '2026.1',
                'barcode' => 'CBG011611N160V01',
                'qty' => '80',
                'amount' => '5480',
            ],
            [
                'purchaseNo' => '937779',
                'createdAt' => '2026.1',
                'barcode' => 'SJ009363N160V01',
                'qty' => '130',
                'amount' => '12350',
            ],
            [
                'purchaseNo' => '922003',
                'createdAt' => '2026.1',
                'barcode' => 'SJ009363N160V01',
                'qty' => '20',
                'amount' => '0',
            ],
        ];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);
        $differences = array_values(array_filter(
            $result['rows'],
            static fn (array $row): bool => $row['type'] !== SupplierStatementMatcher::TYPE_MATCH,
        ));

        $this->assertSame(3, $result['summary']['match']);
        $this->assertSame(1, $result['summary']['supplierExtra']);
        $this->assertSame(1, $result['summary']['supplierMissing']);
        $this->assertSame(26890.0, $result['summary']['mineAmount']);
        $this->assertSame(22360.0, $result['summary']['theirsAmount']);
        $this->assertSame(4530.0, $result['summary']['differenceAmount']);
        $this->assertCount(2, $differences);
        $byPurchaseNo = collect($differences)->keyBy('purchaseNo');
        $this->assertSame(SupplierStatementMatcher::TYPE_SUPPLIER_MISSING, $byPurchaseNo['911299']['type']);
        $this->assertSame(30.0, $byPurchaseNo['911299']['qtyDifference'] * -1);
        $this->assertSame('SJ009363N160V01', $byPurchaseNo['922003']['barcode']);
        $this->assertSame(20.0, $byPurchaseNo['922003']['qtyDifference']);
    }

    public function test_crossed_purchase_numbers_match_by_barcode_and_quantity(): void
    {
        $mine = [
            [
                'purchaseNo' => '958052',
                'date' => '2026-10-26',
                'skuCode' => 'DSG004815',
                'productCode' => 'DSG004815N1019V01',
                'qty' => '30',
                'unitPrice' => '69',
                'amount' => '2070',
            ],
            [
                'purchaseNo' => '972032',
                'date' => '2026-10-26',
                'skuCode' => 'DSG004816',
                'productCode' => 'DSG004816N1019V01',
                'qty' => '30',
                'unitPrice' => '69',
                'amount' => '2070',
            ],
        ];
        $theirs = [
            [
                'purchaseNo' => '958052',
                'createdAt' => '2026-10-26',
                'barcode' => 'DSG004816N1019V01',
                'qty' => '30',
                'unitPrice' => '69',
                'amount' => '2070',
            ],
            [
                'purchaseNo' => '972032',
                'createdAt' => '2026-10-26',
                'barcode' => 'DSG004815N1019V01',
                'qty' => '30',
                'unitPrice' => '69',
                'amount' => '2070',
            ],
        ];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);
        $rows = collect($result['rows'])->keyBy('minePurchaseNo');

        $this->assertSame(2, $result['summary']['match']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(0, $result['summary']['mismatch']);
        $this->assertSame(3, $rows['958052']['matchedByLayer']);
        $this->assertSame('972032', $rows['958052']['theirsPurchaseNo']);
        $this->assertTrue($rows['958052']['purchaseNoDifference']);
        $this->assertSame(3, $rows['972032']['matchedByLayer']);
        $this->assertSame('958052', $rows['972032']['theirsPurchaseNo']);
        $this->assertStringContainsString('采购单号不一致', $rows['958052']['note']);
        $this->assertStringContainsString('商品编码+数量匹配', $rows['958052']['note']);
    }

    public function test_barcode_and_quantity_match_before_express_fallback(): void
    {
        $mine = [[
            'expressNo' => '@sf123456',
            'purchaseNo' => 'MINE-PO',
            'date' => '2026-10-01',
            'skuCode' => 'CZ000927',
            'productCode' => 'CZ000927N1201V02',
            'qty' => '7',
            'amount' => '602',
        ]];
        $theirs = [[
            'expressNo' => 'SF123456',
            'purchaseNo' => '',
            'createdAt' => '2026-10-09',
            'barcode' => 'CZ000927N1201V01',
            'qty' => '7',
            'amount' => '602',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(1, $result['summary']['match']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(0, $result['summary']['mismatch']);
        $this->assertSame('SF123456', $result['rows'][0]['expressNo']);
        $this->assertSame(3, $result['rows'][0]['matchedByLayer']);
        $this->assertStringContainsString('商品编码+数量匹配', $result['rows'][0]['note']);
    }

    public function test_express_match_is_used_after_earlier_layers_and_aggregates_rows(): void
    {
        $mine = [
            [
                'expressNo' => 'SF10001',
                'purchaseNo' => '',
                'date' => '2026-10-01',
                'skuCode' => 'CZ000927',
                'qty' => '2',
                'amount' => '172',
            ],
            [
                'expressNo' => 'SF10001',
                'purchaseNo' => '',
                'date' => '2026-10-02',
                'skuCode' => 'CZ000927',
                'qty' => '5',
                'amount' => '430',
            ],
        ];
        $theirs = [[
            'expressNo' => 'SF10001',
            'purchaseNo' => '',
            'createdAt' => '2026-10-08',
            'barcode' => 'CZ000927N1201V01',
            'qty' => '8',
            'amount' => '688',
        ]];

        $result = (new SupplierStatementMatcher())->compare($mine, $theirs);

        $this->assertSame(0, $result['summary']['match']);
        $this->assertSame(1, $result['summary']['mismatch']);
        $this->assertSame(0, $result['summary']['supplierExtra']);
        $this->assertSame(0, $result['summary']['supplierMissing']);
        $this->assertSame(7.0, $result['rows'][0]['mineQty']);
        $this->assertSame(602.0, $result['rows'][0]['mineAmount']);
        $this->assertSame(1.0, $result['rows'][0]['qtyDifference']);
        $this->assertSame(4, $result['rows'][0]['matchedByLayer']);
        $this->assertStringContainsString('快递单号+商品编码匹配', $result['rows'][0]['note']);
    }
}