<?php

namespace Tests\Unit\EcommerceFinance;

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

class SupplierStatementMatcherTest extends TestCase
{
    public function test_seven_day_date_difference_matches_when_purchase_barcode_quantity_and_amount_match(): 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->assertStringContainsString('日期相差 7 天', $result['rows'][0]['note']);
    }

    public function test_date_difference_over_seven_days_remains_a_difference(): 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(0, $result['summary']['match']);
        $this->assertSame(1, $result['summary']['supplierExtra']);
        $this->assertSame(1, $result['summary']['supplierMissing']);
    }

    public function test_date_tolerance_still_requires_equal_quantity_and_amount(): 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(1, $result['summary']['supplierExtra']);
        $this->assertSame(1, $result['summary']['supplierMissing']);
    }

    public function test_unrecognized_supplier_date_matches_unique_purchase_and_barcode(): 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->assertStringContainsString('厂家创建时间无法识别', $result['rows'][0]['note']);
    }

    public function test_unrecognized_supplier_date_does_not_guess_when_purchase_and_barcode_are_ambiguous(): 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']['supplierExtra']);
        $this->assertSame(2, $result['summary']['supplierMissing']);
    }

    public function test_unrecognized_supplier_date_matches_mine_rows_aggregated_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->assertStringContainsString('汇总我方 2 个日期', $result['rows'][0]['note']);
    }

    public function test_duplicate_mine_rows_keep_the_purchase_number_present_in_supplier_data(): 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(0, $result['summary']['supplierMissing']);
        $this->assertSame('941858', $result['rows'][0]['purchaseNo']);
    }

    public function test_regression_keeps_only_the_real_supplier_extra_line(): 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(0, $result['summary']['supplierMissing']);
        $this->assertCount(1, $differences);
        $this->assertSame('922003', $differences[0]['purchaseNo']);
        $this->assertSame('SJ009363N160V01', $differences[0]['barcode']);
        $this->assertSame(20.0, $differences[0]['qtyDifference']);
    }
}