<?php

namespace Tests\Feature\Console;

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Modules\EcommerceFinance\Services\ThirdPartyWarehouseStorageAuthoritativeAnchorImporter;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
use Tests\TestCase;

class ThirdPartyWarehouseStorageAuthoritativeAnchorImportTest extends TestCase
{
    /** @var list<string> */
    private array $temporaryFiles = [];

    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->createTables();
    }

    protected function tearDown(): void
    {
        foreach ($this->temporaryFiles as $file) {
            @unlink($file);
        }

        parent::tearDown();
    }

    public function test_it_imports_authoritative_daily_rows_and_month_end_anchor(): void
    {
        $path = $this->validWorkbook();

        $this->artisan('business-mirror:import-third-party-warehouse-anchor', ['path' => $path])
            ->assertSuccessful();

        $state = DB::connection('business_mirror')
            ->table('third_party_warehouse_authoritative_anchor_states')
            ->where('dataset_key', ThirdPartyWarehouseStorageAuthoritativeAnchorImporter::DATASET_KEY)
            ->first();

        $this->assertSame('succeeded', $state->status);
        $this->assertSame('2026-08-01', $state->source_period_start);
        $this->assertSame('2026-08-31', $state->source_period_end);
        $this->assertSame(32, (int) $state->source_row_count);
        $this->assertSame(2, (int) $state->anchor_sku_count);
        $this->assertSame('2026-09-01 00:00:00', $state->anchor_at);
        $this->assertDatabaseHas('third_party_warehouse_authoritative_anchors', [
            'generation' => $state->active_generation,
            'sku_code' => 'SKU-A',
            'qty' => 41,
            'anchor_at' => '2026-09-01 00:00:00',
        ], 'business_mirror');
        $this->assertDatabaseHas('third_party_warehouse_authoritative_anchors', [
            'generation' => $state->active_generation,
            'sku_code' => 'CODE+PLUS',
            'qty' => 7,
        ], 'business_mirror');
        $this->assertSame(
            32,
            DB::connection('business_mirror')->table('third_party_warehouse_authoritative_rows')
                ->where('generation', $state->active_generation)->count(),
        );
        $this->assertDatabaseHas('third_party_warehouse_authoritative_rows', [
            'generation' => $state->active_generation,
            'report_date' => '2026-08-01',
            'sku_code' => 'SKU-A',
            'opening_qty' => 10,
            'closing_qty' => 11,
            'purchase_in' => 1,
        ], 'business_mirror');
    }

    public function test_invalid_replacement_keeps_the_previous_active_generation(): void
    {
        $valid = app(ThirdPartyWarehouseStorageAuthoritativeAnchorImporter::class)
            ->import($this->validWorkbook());
        $invalid = $this->workbook([
            $this->headers(),
            $this->row('2026-08-01', 'SKU-A', 10, 9, ['销售出仓' => -2]),
        ]);

        $this->artisan('business-mirror:import-third-party-warehouse-anchor', ['path' => $invalid])
            ->expectsOutputToContain('已保留上一版有效数据')
            ->assertFailed();

        $state = DB::connection('business_mirror')
            ->table('third_party_warehouse_authoritative_anchor_states')
            ->first();
        $this->assertSame('failed', $state->status);
        $this->assertSame($valid['generation'], $state->active_generation);
        $this->assertNull($state->pending_generation);
        $this->assertSame(
            2,
            DB::connection('business_mirror')
                ->table('third_party_warehouse_authoritative_anchors')
                ->where('generation', $valid['generation'])
                ->count(),
        );
        $this->assertSame(
            32,
            DB::connection('business_mirror')
                ->table('third_party_warehouse_authoritative_rows')
                ->where('generation', $valid['generation'])
                ->count(),
        );
    }

    private function createTables(): void
    {
        $schema = Schema::connection('business_mirror');
        $schema->create('third_party_warehouse_authoritative_anchor_states', function (Blueprint $table): void {
            $table->string('dataset_key')->primary();
            $table->string('status');
            $table->string('active_generation')->nullable();
            $table->string('pending_generation')->nullable();
            $table->dateTime('anchor_at')->nullable();
            $table->string('source_filename')->nullable();
            $table->string('source_sha256')->nullable();
            $table->date('source_period_start')->nullable();
            $table->date('source_period_end')->nullable();
            $table->unsignedBigInteger('source_row_count')->default(0);
            $table->unsignedBigInteger('anchor_sku_count')->default(0);
            $table->dateTime('last_attempted_at')->nullable();
            $table->dateTime('last_succeeded_at')->nullable();
            $table->string('last_error_code')->nullable();
            $table->timestamps();
        });
        $schema->create('third_party_warehouse_authoritative_anchors', function (Blueprint $table): void {
            $table->string('generation');
            $table->string('sku_code');
            $table->decimal('qty', 20, 4);
            $table->dateTime('anchor_at');
            $table->dateTime('imported_at');
            $table->primary(['generation', 'sku_code']);
        });
        $schema->create('third_party_warehouse_authoritative_rows', function (Blueprint $table): void {
            $table->string('generation');
            $table->date('report_date');
            $table->string('sku_code');
            $table->decimal('opening_qty', 20, 4);
            $table->decimal('closing_qty', 20, 4);
            foreach ([
                'processing_in', 'processing_out', 'purchase_in', 'purchase_return',
                'other_in', 'other_return', 'sales_out', 'sales_return', 'stocktake',
                'transfer_out', 'transfer_in', 'opening_aux', 'other_out',
            ] as $column) {
                $table->decimal($column, 20, 4)->default(0);
            }
            $table->dateTime('imported_at');
            $table->primary(['generation', 'report_date', 'sku_code']);
        });
    }

    private function validWorkbook(): string
    {
        $rows = [$this->headers()];
        for ($day = 1; $day <= 31; $day++) {
            $rows[] = $this->row(
                sprintf('2026-08-%02d', $day),
                'SKU-A',
                10 + $day - 1,
                10 + $day,
                ['采购进仓' => 1],
            );
        }
        // 聚水潭会省略部分没有变化的月末日期；每个商品取自身最后一行期末数。
        $rows[] = $this->row('2026-08-30', 'CODE_x002B_PLUS', 7, 7);

        return $this->workbook($rows);
    }

    /** @return list<string> */
    private function headers(): array
    {
        return [
            '货主', '日期', '商品编码', '图片', '商品名称', '商品简称', '供应商',
            '分类', '虚拟分类', '供应商款号', '颜色规格', '品牌', '单位', '期初数量',
            '期末数量', '加工进仓', '加工出仓', '采购进仓', '采购退货', '其它进仓',
            '其它退货', '销售出仓', '销售退货', '盘点', '调拨出', '调拨入', '期初',
            '其它出库',
        ];
    }

    /** @param array<string,int|float> $movements @return list<string|int|float|null> */
    private function row(
        string $date,
        string $sku,
        float $opening,
        float $closing,
        array $movements = [],
    ): array {
        $row = array_fill(0, 28, null);
        $row[0] = '常州简尚家居有限公司';
        $row[1] = $date;
        $row[2] = $sku;
        $row[13] = $opening;
        $row[14] = $closing;
        foreach ([
            '加工进仓', '加工出仓', '采购进仓', '采购退货', '其它进仓', '其它退货',
            '销售出仓', '销售退货', '盘点', '调拨出', '调拨入', '期初', '其它出库',
        ] as $offset => $header) {
            $row[15 + $offset] = $movements[$header] ?? 0;
        }

        return $row;
    }

    /** @param list<list<string|int|float|null>> $rows */
    private function workbook(array $rows): string
    {
        $temporary = tempnam(sys_get_temp_dir(), 'tpw-anchor-');
        $path = $temporary . '.xlsx';
        rename($temporary, $path);
        $spreadsheet = new Spreadsheet();
        $spreadsheet->getActiveSheet()->fromArray($rows);
        (new Xlsx($spreadsheet))->save($path);
        $spreadsheet->disconnectWorksheets();
        $this->temporaryFiles[] = $path;

        return $path;
    }
}