<?php

namespace Tests\Feature\Business;

use App\Models\Auth\Permission;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\File;
use Modules\EcommerceFinance\Services\AccountMappingStore;
use Modules\EcommerceFinance\Services\AccountMappingValidator;
use Tests\Feature\FeatureTestCase;

/**
 * 财务规则 · 科目映射表页面。
 *
 * 注意：这张表的数据落在 storage_path('app/account-mapping')，
 * 所以每个用例都把 storage 指到临时目录，绝不污染真实 storage。
 * 种子仍取仓库里的 resources/data/account-mapping.json。
 */
class AccountMappingPageTest extends FeatureTestCase
{
    private const SEED_TOTAL = 112;

    private string $storageRoot = '';

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

        $this->storageRoot = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'account-mapping-' . uniqid();
        File::makeDirectory($this->storageRoot . '/app', 0777, true, true);

        // 只影响 storage_path()，视图编译目录已在启动时解析，不受影响
        $this->app->useStoragePath($this->storageRoot);
    }

    protected function tearDown(): void
    {
        if ($this->storageRoot !== '' && File::isDirectory($this->storageRoot)) {
            File::deleteDirectory($this->storageRoot);
        }

        parent::tearDown();
    }

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

    private function pageUrl(): string
    {
        return route('business.pages.show', [
            'company_id' => $this->company->id,
            'section' => 'financial-rules',
            'page' => 'account-mapping',
        ]);
    }

    /** .../actions */
    private function actionsBase(): string
    {
        // 取 rules 路由再砍掉尾巴，等价于控制器里给前端下发端点的方式
        return (string) preg_replace('#/rules$#', '', route(
            'business.financial-rules.account-mapping.actions.rules',
            ['company_id' => $this->company->id]
        ));
    }

    /** .../actions/rules[/{id}] */
    private function rulesUrl(?int $id = null): string
    {
        return $this->actionsBase() . '/rules' . ($id === null ? '' : '/' . $id);
    }

    /** .../actions/{preview|import} */
    private function actionUrl(string $action): string
    {
        return $this->actionsBase() . '/' . $action;
    }

    /**
     * 页面必须把种子规则和校验汇总**渲染进 HTML**。
     * 只断言 200 是不够的：注入数据为空时页面照样 200，之前就踩过这个坑。
     */
    public function test_page_renders_seeded_rules_and_validation_summary(): void
    {
        $this->grantAdminPermission();

        $this->loginAs()->get($this->pageUrl())
            ->assertOk()
            ->assertSee('data-account-mapping="true"', false)
            ->assertSee('共 <b id="amTotal">' . self::SEED_TOTAL . '</b> 条规则', false)
            ->assertSee('var ROWS = [', false)
            ->assertSee('"platform":"得物"', false)
            ->assertSeeText('科目映射表')
            // 序号列表头固定为「序号」且宽度 3.5rem：2.5rem 时三位数会被省略号截成「1…」
            ->assertSee('class="am-index" style="width:3.5rem;">序号</th>', false)
            // ENDPOINT 经 @json 输出，斜杠会被转义成 \/，所以只断言变量名
            ->assertSee('var ENDPOINT =', false);
    }

    public function test_rules_endpoint_returns_seed_rules_and_summary(): void
    {
        $this->grantAdminPermission();

        $this->loginAs()->getJson($this->rulesUrl())
            ->assertOk()
            ->assertJsonCount(self::SEED_TOTAL, 'rules')
            ->assertJsonPath('summary.total', self::SEED_TOTAL)
            ->assertJsonStructure(['rules', 'summary', 'options' => ['platforms', 'categories', 'basis', 'invoices']]);
    }

    public function test_can_create_update_and_delete_a_rule(): void
    {
        $this->grantAdminPermission();

        $payload = ['values' => [
            'platform' => '自测平台',
            'item' => '自测账单项目',
            'memo' => '自测备注',
            'invoice' => '不开票',
            'category' => '费用',
            'dAcct' => '销售费用',
            'dSub' => '运费',
            'cAcct' => '其他货币资金',
            'cSub' => '',
            'basis' => '支出基准',
        ]];

        $created = $this->loginAs()->postJson($this->rulesUrl(), $payload);
        $created->assertOk()->assertJsonPath('summary.total', self::SEED_TOTAL + 1);

        $id = collect($created->json('rules'))->firstWhere('platform', '自测平台')['id'];
        $this->assertIsInt($id);

        $this->loginAs()->patchJson($this->rulesUrl($id), [
            'values' => array_merge($payload['values'], ['memo' => '改过的备注']),
        ])->assertOk()->assertJsonPath('summary.total', self::SEED_TOTAL + 1);

        $store = app(AccountMappingStore::class);
        $this->assertSame('改过的备注', $store->find($id)['memo']);

        $this->loginAs()->deleteJson($this->rulesUrl($id))
            ->assertOk()
            ->assertJsonPath('summary.total', self::SEED_TOTAL);

        $this->assertNull(app(AccountMappingStore::class)->find($id));
    }

    /** 账套里查不到的一级科目必须是「错误」，否则自动生成分录时会静默失败 */
    public function test_validator_flags_account_missing_from_chart_of_accounts(): void
    {
        $store = app(AccountMappingStore::class);
        $validator = app(AccountMappingValidator::class);

        $bad = $store->create([
            'platform' => '自测平台', 'item' => '坏数据',
            'dAcct' => '不存在的科目', 'cAcct' => '其他货币资金',
            'category' => '费用', 'basis' => '支出基准', 'invoice' => '-',
        ]);

        $issues = $validator->validate($store->all())['issues'][$bad['id']] ?? [];

        $this->assertNotEmpty($issues);
        $this->assertContains('错误', array_column($issues, 'level'));
    }

    /** 导入：先预览（不落盘）再确认；两行都是新增 */
    public function test_import_preview_and_confirm_adds_new_rules(): void
    {
        $this->grantAdminPermission();

        $csv = "平台,账单项目,财务备注,票据口径,大类,借方科目,借方二级,贷方科目,贷方二级,方向基准\n"
            . "自测平台,自测项目甲,备注甲,未开票,费用,销售费用,运费,其他货币资金,,支出基准\n"
            . "自测平台,自测项目乙,备注乙,未开票,收入,其他货币资金,,主营业务收入,,收入基准\n";

        $preview = $this->loginAs()->post($this->actionUrl('preview'), [
            'import' => UploadedFile::fake()->createWithContent('rules.csv', $csv),
        ], ['Accept' => 'application/json']);

        $preview->assertOk()
            ->assertJsonPath('total', 2)
            ->assertJsonPath('can_create', 2)
            ->assertJsonPath('can_overwrite', 0);

        // 预览不落盘
        $this->assertCount(self::SEED_TOTAL, app(AccountMappingStore::class)->all());

        $this->loginAs()->post($this->actionUrl('import'), [
            'import' => UploadedFile::fake()->createWithContent('rules.csv', $csv),
        ], ['Accept' => 'application/json'])
            ->assertOk()
            ->assertJsonPath('result.created', 2)
            ->assertJsonPath('summary.total', self::SEED_TOTAL + 2);
    }

    /** 非表格扩展名要被挡下，并给出人话提示 */
    public function test_import_rejects_non_spreadsheet_extension(): void
    {
        $this->grantAdminPermission();

        // FeatureTestCase 默认关掉了异常处理，这里要验 422 就必须把它打开
        $this->withExceptionHandling();

        $this->loginAs()->post($this->actionUrl('preview'), [
            'import' => UploadedFile::fake()->createWithContent('rules.txt', "a,b\n1,2\n"),
        ], ['Accept' => 'application/json'])
            ->assertStatus(422)
            ->assertJsonPath('errors.import.0', '只支持 xlsx、xls、csv 三种格式，当前是「txt」。');
    }

    /**
     * 抖音账单带来的 5 个大类并入固定清单（往来=收入基准），票据「0」按不开票入库。
     */
    public function test_douyin_categories_are_fixed_options_and_zero_invoice_means_no_invoice(): void
    {
        $this->grantAdminPermission();

        $this->assertSame([
            '售后费用' => '支出基准',
            '平台服务费' => '支出基准',
            '平台佣金' => '支出基准',
            '往来' => '收入基准',
        ], array_intersect_key(AccountMappingStore::CATEGORY_BASIS, array_flip([
            '售后费用', '平台服务费', '平台佣金', '往来',
        ])));

        $categories = $this->loginAs()->getJson($this->rulesUrl())->assertOk()->json('options.categories');
        foreach (['售后费用', '平台服务费', '平台佣金', '往来'] as $category) {
            $this->assertContains($category, $categories);
        }

        $csv = "平台,账单项目,财务备注,票据,大类,借方科目,贷方科目,方向基准\n"
            . "自测平台,自测项目丙,备注丙,0,售后费用,销售费用,其他货币资金,支出基准\n";

        $this->loginAs()->post($this->actionUrl('import'), [
            'import' => UploadedFile::fake()->createWithContent('rules.csv', $csv),
        ], ['Accept' => 'application/json'])
            ->assertOk()
            ->assertJsonPath('result.created', 1);

        $rule = collect(app(AccountMappingStore::class)->all())->firstWhere('item', '自测项目丙');
        $this->assertNotNull($rule);
        $this->assertSame('不开票', $rule['invoice']);
        $this->assertSame('支出基准', $rule['basis']);
    }

    /** 9% 票据口径（京东短信服务费）并入常用取值，页面下拉可选且不再报提示。 */
    public function test_nine_percent_invoice_is_a_known_option(): void
    {
        $this->grantAdminPermission();

        $this->assertContains('0.09', AccountMappingStore::INVOICES);

        $invoices = $this->loginAs()->getJson($this->rulesUrl())->assertOk()->json('options.invoices');
        $this->assertContains('0.09', $invoices);

        $issues = app(AccountMappingValidator::class)->validate([[
            'id' => 9001,
            'platform' => '京东',
            'item' => '短信服务费',
            'memo' => '销售费用手续费',
            'invoice' => '0.09',
            'category' => '平台服务费',
            'dAcct' => '销售费用',
            'dSub' => '',
            'cAcct' => '其他货币资金',
            'cSub' => '',
            'basis' => '支出基准',
        ]])['issues'][9001] ?? [];

        $this->assertNotContains('invoice_unknown', array_column($issues, 'code'));
    }
}