<?php

namespace Tests\Unit\EcommerceFinance;

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Modules\EcommerceFinance\Repositories\DingOnlineDaifaPriceMirrorRepository;
use Modules\EcommerceFinance\Repositories\ProductPurchasePriceMirrorRepository;
use Tests\TestCase;

/**
 * 分页按来源分别筛选、各取前 N 条再合并后，结果必须和原先「两表整表合并后再排序」一致。
 * 导出仍走整表合并口径，这里用导出顺序作为对照。
 */
class OnlineDaifaPricePaginationTest extends TestCase
{
    protected function setUp(): void
    {
        parent::setUp();

        config([
            'database.connections.business_mirror' => ['driver' => 'sqlite', 'database' => ':memory:', 'prefix' => ''],
            'upstream_mirrors.connection' => 'business_mirror',
        ]);
        DB::purge('business_mirror');

        $this->createSchema();
        $this->seedRows();
    }

    /** @return iterable<string,array{0:array<string,string>}> */
    public static function filterProvider(): iterable
    {
        yield 'no filter' => [[]];
        yield 'date range' => [['created_from' => '2026-10-03', 'created_to' => '2026-10-06']];
        yield 'supplier' => [['supplier_name' => '供应商A']];
        yield 'shop' => [['shop_name' => '店铺甲']];
        yield 'keyword' => [['keyword' => '77']];
        yield 'material' => [['material_no' => 'SKU-2']];
        yield 'ding status only' => [['status' => 'COMPLETED']];
        yield 'purchase status only' => [['status' => 'FINISHED']];
        yield 'product id' => [['product_id' => 'PID-1']];
    }

    /** @dataProvider filterProvider */
    public function test_pages_match_the_fully_merged_order_totals_and_summary(array $filters): void
    {
        $repository = app(DingOnlineDaifaPriceMirrorRepository::class);
        $expected = array_map(
            static fn (array $row): string => $row['source_type'] . ':' . $row['process_instance_id'] . ':' . $row['detail_index'],
            iterator_to_array($repository->exportRows($filters), false),
        );

        $perPage = 4;
        $first = $repository->paginate($filters, 1, $perPage);
        $this->assertSame(count($expected), $first['total']);

        $actual = [];
        $pages = max((int) ceil($first['total'] / $perPage), 1) + 1; // one empty page past the end
        for ($page = 1; $page <= $pages; $page++) {
            foreach ($repository->paginate($filters, $page, $perPage)['data'] as $row) {
                $actual[] = $row['source_type'] . ':' . $row['process_instance_id'] . ':' . $row['detail_index'];
            }
        }
        $this->assertSame($expected, $actual);

        $exported = iterator_to_array($repository->exportRows($filters), false);
        $ding = array_values(array_filter($exported, static fn (array $r): bool => $r['source_type'] === 'ding'));
        $summary = $first['summary'];
        $this->assertSame(count($exported), $summary['count']);
        $this->assertSame(count($exported) - count($ding), $summary['purchase_count']);
        $this->assertSame(count($ding), $summary['matchable_count']);
        $this->assertSame(
            count(array_filter($ding, static fn (array $r): bool => ($r['matched_product']['matched'] ?? false) === true)),
            $summary['matched_count'],
        );
        $this->assertSame(round(array_sum(array_column($ding, 'daifa_amount')), 2), $summary['daifa_amount']);
        $this->assertSame(round(array_sum(array_column($ding, 'paid_amount')), 2), $summary['paid_amount']);
        $this->assertSame(round(array_sum(array_column($ding, 'price_diff')), 2), $summary['price_diff']);
    }

    public function test_page_rows_keep_their_full_fields(): void
    {
        $data = app(DingOnlineDaifaPriceMirrorRepository::class)->paginate([], 1, 100)['data'];

        $ding = collect($data)->first(fn (array $r): bool => $r['source_type'] === 'ding' && $r['process_instance_id'] === 'D1' && $r['detail_index'] === 2);
        $this->assertSame('PID-1', $ding['product_id']);
        $this->assertSame('供应商A', $ding['supplier_name']);
        $this->assertSame(['status' => 'COMPLETED', 'result' => 'agree'], $ding['workflow']);

        $purchase = collect($data)->first(fn (array $r): bool => $r['source_type'] === 'purchase' && $r['detail_index'] === 110);
        $this->assertSame(9000, $purchase['purchase_order_id']);
        $this->assertSame('店铺甲', $purchase['shop_name']);
        $this->assertSame('77001', $purchase['shop_trade_no']);
        $this->assertSame('已完成', $purchase['status_label']);
    }

    private function createSchema(): void
    {
        $schema = Schema::connection('business_mirror');
        $schema->create('business_mirror_table_states', function (Blueprint $table): void {
            $table->string('dataset_key')->primary();
            $table->string('status');
            $table->dateTime('initial_completed_at')->nullable();
            $table->dateTime('last_succeeded_at')->nullable();
        });
        $schema->create(DingOnlineDaifaPriceMirrorRepository::TARGET_TABLE, function (Blueprint $table): void {
            $table->string('process_instance_id');
            $table->unsignedInteger('detail_index');
            $table->string('product_id')->nullable();
            $table->string('product_name')->nullable();
            $table->string('daifa_trade_no')->nullable();
            $table->string('shop_trade_no')->nullable();
            $table->string('shop_name')->nullable();
            $table->string('payee_name')->nullable();
            $table->string('supplier_name')->nullable();
            $table->string('material_no')->nullable();
            $table->integer('ship_qty')->nullable();
            $table->decimal('paid_amount', 20, 2)->nullable();
            $table->decimal('daifa_amount', 20, 2)->nullable();
            $table->decimal('price_diff', 20, 2)->nullable();
            $table->text('workflow_payload')->nullable();
            $table->text('scheme_payload')->nullable();
            $table->text('task_payload')->nullable();
            $table->string('workflow_created_at', 32)->nullable();
        });
        $schema->create('product_purchase_price_sync_states', function (Blueprint $table): void {
            $table->string('dataset_key')->primary();
            $table->string('status');
            $table->unsignedTinyInteger('projection_version')->default(1);
            $table->dateTime('initial_completed_at')->nullable();
            $table->dateTime('last_succeeded_at')->nullable();
        });
        $schema->create('product_purchase_price_mirror_rows', function (Blueprint $table): void {
            $table->unsignedBigInteger('item_id')->primary();
            $table->unsignedBigInteger('purchase_order_id');
            $table->unsignedBigInteger('source_order_no')->nullable();
            $table->string('supplier_name')->nullable();
            $table->string('sku_id')->nullable();
            $table->string('style_id')->nullable();
            $table->decimal('quantity', 20, 4)->nullable();
            $table->decimal('unit_price', 20, 4)->nullable();
            $table->string('document_status')->nullable();
            $table->text('labels')->nullable();
            $table->dateTime('document_created_at')->nullable();
            $table->dateTime('finished_at')->nullable();
            $table->dateTime('purchase_updated_at');
        });
        $schema->create('ops_jst_orders', function (Blueprint $table): void {
            $table->unsignedBigInteger('Id')->primary();
            $table->unsignedBigInteger('o_id')->index();
            $table->string('so_id')->nullable()->index();
            $table->string('shop_name')->nullable();
        });
    }

    private function seedRows(): void
    {
        $db = DB::connection('business_mirror');
        $db->table('business_mirror_table_states')->insert([
            [
                'dataset_key' => DingOnlineDaifaPriceMirrorRepository::DATASET_KEY,
                'status' => 'succeeded',
                'initial_completed_at' => '2026-10-01 00:00:00',
                'last_succeeded_at' => '2026-10-28 09:00:00',
            ],
            [
                'dataset_key' => 'operations_replica.rpt.jst_Orders',
                'status' => 'succeeded',
                'initial_completed_at' => '2026-10-01 00:00:00',
                'last_succeeded_at' => '2026-10-28 09:00:00',
            ],
        ]);
        $db->table('product_purchase_price_sync_states')->insert([
            'dataset_key' => ProductPurchasePriceMirrorRepository::DATASET_KEY,
            'status' => 'succeeded',
            'projection_version' => ProductPurchasePriceMirrorRepository::CURRENT_PROJECTION_VERSION,
            'initial_completed_at' => '2026-10-01 00:00:00',
            'last_succeeded_at' => '2026-10-28 10:00:00',
        ]);

        $ding = [];
        // 11 张审批、每张 1~3 条明细；部分创建时间与采购单完全相同，用来检验同一时间的先后。
        for ($i = 1; $i <= 11; $i++) {
            for ($d = 1; $d <= ($i % 3) + 1; $d++) {
                $ding[] = [
                    'process_instance_id' => 'D' . $i,
                    'detail_index' => $d,
                    'product_id' => $i % 2 === 0 ? '' : 'PID-' . ($i % 4),
                    'product_name' => $i % 5 === 0 ? null : '商品' . $i,
                    'daifa_trade_no' => 'DF' . (770 + $i),
                    'shop_trade_no' => 'SO' . (100 + $i),
                    'shop_name' => $i % 2 === 0 ? '店铺甲' : '店铺乙',
                    'payee_name' => '收款人',
                    'supplier_name' => $i % 3 === 0 ? '供应商B' : '供应商A',
                    'material_no' => 'SKU-' . ($d + $i % 2),
                    'ship_qty' => 1,
                    'paid_amount' => 10 + $i + $d / 10,
                    'daifa_amount' => 8 + $i,
                    'price_diff' => 2 + $d / 10,
                    'workflow_payload' => '{"status":"COMPLETED","result":"agree"}',
                    'scheme_payload' => '[]',
                    'task_payload' => '[]',
                    'workflow_created_at' => sprintf('2026-10-%02d 10:00:00', ($i % 7) + 1),
                ];
            }
        }
        $db->table(DingOnlineDaifaPriceMirrorRepository::TARGET_TABLE)->insert($ding);

        $db->table('ops_jst_orders')->insert([
            ['Id' => 1, 'o_id' => 5001, 'so_id' => '77001', 'shop_name' => '店铺甲'],
            ['Id' => 2, 'o_id' => 5002, 'so_id' => '88002', 'shop_name' => '店铺乙'],
        ]);
        $purchase = [];
        $statuses = ['Confirmed', 'Finished', 'Cancelled'];
        for ($i = 1; $i <= 14; $i++) {
            $purchase[] = [
                'item_id' => 100 + $i,
                // 9001 与 10001 一起检验单号按文本排序（与原合并口径一致）
                'purchase_order_id' => $i % 4 === 0 ? 10000 + $i : 9000 + ($i % 5),
                'source_order_no' => $i % 3 === 0 ? null : 5000 + ($i % 2) + 1,
                'supplier_name' => $i % 2 === 0 ? '供应商A' : '供应商C',
                'sku_id' => 'SKU-' . ($i % 3),
                'quantity' => 1,
                'unit_price' => 5 + $i,
                'document_status' => $statuses[$i % 3],
                'document_created_at' => $i % 6 === 0 ? null : sprintf('2026-10-%02d 10:00:00', ($i % 7) + 1),
                'purchase_updated_at' => sprintf('2026-10-%02d 09:00:00', ($i % 8) + 1),
            ];
        }
        $db->table('product_purchase_price_mirror_rows')->insert($purchase);
    }
}