<?php

namespace Tests\Unit\Business;

use App\Support\ReverseLogisticsQuoteSnapshot;
use Tests\TestCase;

/** 逆向物流报价拆分：矩阵、单一到达省、重量段三种版式都要还原成可计算运价。 */
final class ReverseLogisticsQuoteSnapshotTest extends TestCase
{
    private string $fixturePath;

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

        $this->fixturePath = storage_path('framework/testing/reverse-logistics-' . uniqid('', true) . '.json');
        file_put_contents($this->fixturePath, json_encode([
            'sourcePath' => 'C:/private/逆向物流报价.xlsx',
            'generatedAt' => '2026-09-29 12:00:00',
            'sheets' => [
                [
                    'index' => 0,
                    'name' => '申通退货',
                    'address' => 'A1:F8',
                    'values' => [
                        ['报价单', null, null, null, null, null],
                        ['出发省份', '到达省份', '江苏', null, '安徽', null],
                        [null, null, '面单价格', '续重价格', '面单价格', '续重价格'],
                        [null, '江苏', 9, 1, 9, 1],
                        [null, '广东', 9, 1.75, 9, 1.75],
                        ['1、该价格不含税，生效日期：2026年5月1日', null, null, null, null, null],
                        ['4、计泡标准：长*宽*高/6000', null, null, null, null, null],
                        ['7、结算方式：总价=首重+续重*（货物结算重量-1）', null, null, null, null, null],
                    ],
                    'formulas' => [[], [], [], [], []],
                ],
                [
                    'index' => 1,
                    'name' => '常州德邦逆向',
                    'address' => 'A1:D5',
                    'values' => [
                        ['常州德邦逆向报价2026.4.7', null, null, null],
                        ['出发省份', '到达省份江苏', null, '备注：'],
                        [null, '面单价格', '续重价格', null],
                        ['江苏', 9, 1, '1、此价格单件限重60KG以内 单边超1.6米或三边超2.5米加收7元每单'],
                        ['新疆', 18, 5.5, '6.计算方式：面单+重量*费率'],
                    ],
                    'formulas' => [[], [], [], [], []],
                ],
                [
                    'index' => 2,
                    'name' => '中通快运逆向',
                    'address' => 'A1:F4',
                    'values' => [
                        ['中通快运逆向2026.4.21起', null, null, null, null, null],
                        ['省份', '面单费', '省份', '0-30kg', '31-60kg', '备注'],
                        ['安徽省', 9, '安徽省', 0.95, 0.95, '1、目前该报价仅支持常州仓收件地址。'],
                        ['新疆', '/', '新疆', '/', '/', null],
                    ],
                    'formulas' => [[], [], [], []],
                ],
                [
                    'index' => 3,
                    'name' => '未识别报价表',
                    'address' => 'A1:B2',
                    'values' => [['随便', '什么'], ['没有报价结构', null]],
                    'formulas' => [[], []],
                ],
            ],
        ], JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR));
    }

    protected function tearDown(): void
    {
        if (isset($this->fixturePath) && is_file($this->fixturePath)) {
            unlink($this->fixturePath);
        }

        parent::tearDown();
    }

    public function testItSplitsEverySupportedSheetLayoutIntoRates(): void
    {
        $snapshot = (new ReverseLogisticsQuoteSnapshot($this->fixturePath))->load();

        $this->assertTrue($snapshot['available']);
        $this->assertSame(['未识别报价表'], $snapshot['unparsed_sheets']);
        $this->assertSame(['申通', '德邦', '中通快运'], array_column($snapshot['rate_groups'], 'carrier'));
        $this->assertSame(10, $snapshot['rate_summary']['rate_count']);
        $this->assertSame(8, $snapshot['rate_summary']['available_count']);
        $this->assertSame(2, $snapshot['rate_summary']['missing_count']);
        $this->assertSame(2, $snapshot['rate_summary']['weight_band_count']);
        $this->assertSame(['江苏', '广东', '新疆', '安徽'], $snapshot['provinces']['origins']);
        $this->assertSame(['江苏', '安徽'], $snapshot['provinces']['destinations']);

        $rules = collect($snapshot['rate_groups'])->keyBy('carrier');

        $this->assertSame(4, $rules['申通']['rate_count']);
        $this->assertSame('2026-05-01', $rules['申通']['effective_date']);
        $this->assertSame('首重 + 续重 × (结算重量 - 1)', $rules['申通']['pricing_label']);
        $this->assertSame('行=出发省份，列=到达省份（2 个到达省）', $rules['申通']['route_label']);
        $this->assertContains('4、计泡标准：长*宽*高/6000', $rules['申通']['constraints']);

        $this->assertSame(2, $rules['德邦']['rate_count']);
        $this->assertSame('2026-04-07', $rules['德邦']['effective_date']);
        $this->assertSame('面单 + 重量 × 费率', $rules['德邦']['pricing_label']);

        $this->assertSame(4, $rules['中通快运']['rate_count']);
        $this->assertSame(2, $rules['中通快运']['available_count']);
        $this->assertSame('2026-04-21', $rules['中通快运']['effective_date']);
        $this->assertSame(['0-30kg', '31-60kg'], $rules['中通快运']['weight_bands']);
        $this->assertSame(1, $rules['中通快运']['destination_count']);

        $rates = collect($snapshot['rates']);

        $shentong = $rates->firstWhere(fn (array $rate) => $rate['carrier'] === '申通'
            && $rate['origin'] === '广东'
            && $rate['destination'] === '江苏');
        $this->assertNotNull($shentong);
        $this->assertSame(9.0, $shentong['base_amount']);
        $this->assertSame(1.75, $shentong['increment_amount']);
        $this->assertSame('C5:D5', $shentong['source']);
        $this->assertSame('广东', $shentong['origin_key']);
        $this->assertSame('江苏', $shentong['destination_key']);
        $this->assertTrue($shentong['available']);

        $deppon = $rates->firstWhere(fn (array $rate) => $rate['carrier'] === '德邦' && $rate['origin'] === '新疆');
        $this->assertNotNull($deppon);
        $this->assertSame('江苏', $deppon['destination']);
        $this->assertSame(18.0, $deppon['base_amount']);
        $this->assertSame(5.5, $deppon['increment_amount']);

        $bandRates = $rates->filter(fn (array $rate) => $rate['carrier'] === '中通快运' && $rate['origin'] === '安徽省');
        $this->assertCount(2, $bandRates);
        $this->assertSame(['0-30kg', '31-60kg'], array_column($bandRates->values()->all(), 'weight_band'));
        $this->assertSame('安徽', $bandRates->first()['origin_key']);
        $this->assertSame('江苏', $bandRates->first()['destination_key']);

        $missing = $rates->filter(fn (array $rate) => ! $rate['available']);
        $this->assertCount(2, $missing);
        $this->assertSame(['新疆', '新疆'], $missing->pluck('origin')->values()->all());
    }

    public function testItKeepsTheShellWhenTheSnapshotIsMissing(): void
    {
        $snapshot = (new ReverseLogisticsQuoteSnapshot(storage_path('framework/testing/missing-reverse-logistics.json')))->load();

        $this->assertFalse($snapshot['available']);
        $this->assertSame('missing', $snapshot['state']);
        $this->assertSame('尚未导入本机逆向物流报价文件。', $snapshot['message']);
        $this->assertSame([], $snapshot['rates']);
        $this->assertSame([], $snapshot['rate_groups']);
    }
}