<?php

namespace Tests\Feature\Business;

use App\Business\FundForecastWorkbookImporter;
use App\Models\Auth\Permission;
use App\Models\Business\FundForecast;
use Illuminate\Http\UploadedFile;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
use Tests\Feature\FeatureTestCase;

class FundForecastPageTest extends FeatureTestCase
{
    protected function setUp(): void
    {
        parent::setUp();

        $this->user->attachPermission(
            Permission::where('name', 'read-admin-panel')->firstOrFail(),
        );
    }

    public function testPageReplacesLegacyTableWithWorkbookGroupsAndFilters(): void
    {
        FundForecast::create([
            'company_id' => $this->company->id,
            'budget_month' => '2026-09',
            'company_name' => '测试资金公司',
            'region' => '华东',
            'report_status' => '待审核',
            'balance_bank' => 100,
            'balance_jd' => 20,
            'income_jd' => 80,
            'income_other' => 20,
            'expense_supplier_goods' => 40,
            'expense_salary' => 10,
            'previous_month_balance' => 30,
        ]);

        $response = $this->loginAs()->get(route('business.pages.show', [
            'section' => 'fund-management',
            'page' => 'fund-forecast',
        ]));

        $response
            ->assertOk()
            ->assertSeeText('公司总数')
            ->assertSeeText('预测月份')
            ->assertSeeText('所属区域')
            ->assertSeeText('填报状态')
            ->assertSeeText('测试资金公司')
            ->assertSeeText('淘系支付宝')
            ->assertSeeText('店铺花费（暂估10%）')
            ->assertSeeText('上月末总余额')
            ->assertSeeText('缺口/盈余')
            ->assertSee('data-group="balance"', false)
            ->assertSee('data-group="income"', false)
            ->assertSee('data-group="expense"', false)
            ->assertDontSeeText('店铺余额(预算)')
            ->assertDontSeeText('银行余额(实际)');

        $row = FundForecast::firstOrFail();
        $this->assertSame('120.00', $row->previous_month_balance);
        $this->assertSame('100.00', $row->forecast_month_income);
        $this->assertSame('50.00', $row->forecast_month_expense);
        $this->assertSame('170.00', $row->gap_surplus);
        $this->assertFalse($row->has_gap);
        $this->assertSame($this->company->id, $row->company_id);
    }

    public function testCompanyFilterOnlyShowsMatchingForecast(): void
    {
        foreach (['目标公司', '其他公司'] as $companyName) {
            FundForecast::create([
                'company_id' => $this->company->id,
                'budget_month' => '2026-09',
                'company_name' => $companyName,
            ]);
        }

        $this->loginAs()->get(route('business.pages.show', [
            'section' => 'fund-management',
            'page' => 'fund-forecast',
            'company_name' => '目标',
        ]))
            ->assertOk()
            ->assertSeeText('目标公司')
            ->assertDontSeeText('其他公司');
    }

    public function testImporterUnderstandsTwoRowWorkbookHeaders(): void
    {
        $spreadsheet = new Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();
        $sheet->fromArray([
            ['预策月份', '公司名称', '余额', null, '收入', null, '支出', null, '汇总', null, null, null, null],
            [null, null, '京东', '抖音', '京东', '其他收入', '供应商货款', '工资', '上月末总余额', '预策本月收入', '预策本月支付', '缺口/盈余', '是否有缺口'],
            ['2026年9月', '导入测试公司', 12, 3, 100, 20, 30, 10, 50, 999, 999, -999, '是'],
        ]);

        $path = tempnam(sys_get_temp_dir(), 'fund-forecast-');
        (new Xlsx($spreadsheet))->save($path);

        try {
            $result = app(FundForecastWorkbookImporter::class)->import(
                new UploadedFile($path, '资金预测表.xlsx', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', null, true),
                (int) $this->company->id,
            );
        } finally {
            @unlink($path);
        }

        $this->assertSame(['created' => 1, 'updated' => 0], $result);
        $row = FundForecast::where('company_name', '导入测试公司')->firstOrFail();
        $this->assertSame('2026-09', $row->budget_month);
        $this->assertSame('12.00', $row->balance_jd);
        $this->assertSame('100.00', $row->income_jd);
        $this->assertSame('15.00', $row->previous_month_balance);
        $this->assertSame('120.00', $row->forecast_month_income);
        $this->assertSame('40.00', $row->forecast_month_expense);
        $this->assertSame('95.00', $row->gap_surplus);
        $this->assertFalse($row->has_gap);
        $this->assertSame('待审核', $row->report_status);
    }

    public function testTemplateDownloadContainsImportableTwoRowHeaders(): void
    {
        $response = $this->loginAs()->get(route('business.fund-forecast.template'));

        $response
            ->assertOk()
            ->assertHeader('content-type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');

        $path = tempnam(sys_get_temp_dir(), 'fund-forecast-template-');
        file_put_contents($path, $response->streamedContent());

        try {
            $sheet = IOFactory::load($path)->getActiveSheet();

            $this->assertSame('资金预测表', $sheet->getTitle());
            $this->assertSame('预测月份', $sheet->getCell('A1')->getValue());
            $this->assertSame('公司名称', $sheet->getCell('B1')->getValue());
            $this->assertSame('余额', $sheet->getCell('C1')->getValue());
            $this->assertSame('银行', $sheet->getCell('C2')->getValue());
            $this->assertSame('汇总', $sheet->getCell('AA1')->getValue());
            $this->assertSame('是否有缺口', $sheet->getCell('AE2')->getValue());
            $this->assertSame('=SUM(C3:H3)', $sheet->getCell('AA3')->getValue());
            $this->assertSame('=SUM(I3:N3)', $sheet->getCell('AB3')->getValue());
            $this->assertSame('=SUM(O3:Z3)', $sheet->getCell('AC3')->getValue());
            $this->assertSame('=AA3+AB3-AC3', $sheet->getCell('AD3')->getValue());
            $this->assertSame('=IF(AD3<0,"是","否")', $sheet->getCell('AE3')->getValue());
            $this->assertSame('C3', $sheet->getFreezePane());
        } finally {
            @unlink($path);
        }
    }

    public function testSummaryFieldsAreRecalculatedAndNegativeGapIsMarked(): void
    {
        $row = FundForecast::create([
            'company_id' => $this->company->id,
            'budget_month' => '2026-09',
            'company_name' => '缺口测试公司',
            'balance_bank' => 10,
            'balance_wechat' => 5,
            'income_other' => 20,
            'expense_supplier_goods' => 50,
            'previous_month_balance' => 999,
            'forecast_month_income' => 999,
            'forecast_month_expense' => 999,
            'gap_surplus' => 999,
            'has_gap' => false,
        ]);

        $this->assertSame('15.00', $row->previous_month_balance);
        $this->assertSame('20.00', $row->forecast_month_income);
        $this->assertSame('50.00', $row->forecast_month_expense);
        $this->assertSame('-15.00', $row->gap_surplus);
        $this->assertTrue($row->has_gap);
    }
}