<?php

namespace Tests\Feature\Business;

use App\Business\SystemizationTodoWorkbookImporter;
use App\Models\Business\SystemizationTodo;
use App\Models\Business\SystemizationTodoAttachment;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
use Tests\Feature\FeatureTestCase;

class SystemizationTodosTest extends FeatureTestCase
{
    public function test_page_supports_daily_items_completion_progress_and_screenshots(): void
    {
        Storage::fake('uploads');

        $this->loginAs()
            ->get(route('business.pages.show', [
                'section' => 'other',
                'page' => 'systemization-todos',
            ]))
            ->assertOk()
            ->assertSeeText('财务系统化待办')
            ->assertSeeText('新增待办')
            ->assertSeeText('从 Excel 导入现有待办')
            ->assertSeeText('总负责人')
            ->assertSeeText('责任人')
            ->assertSeeText('已逾期')
            ->assertSeeText('开始时间')
            ->assertSeeText('完成时间')
            ->assertSeeText('在列表底部新增一条')
            ->assertSee('data-sys-todo-create', false)
            ->assertSee('data-sys-todo-owner-filter', false)
            ->assertSee('data-sys-todo-assignee-filter', false)
            ->assertSee('name="owner[]"', false)
            ->assertSee('name="assignee[]"', false)
            ->assertSee('data-sys-todo-category-select', false)
            ->assertSee('data-sys-todo-new-category-input', false)
            ->assertSeeText('＋ 新增类型')
            ->assertSee('data-sys-todo-choose-files', false)
            ->assertSee('id="sysTodoImageViewer"', false);

        $this->post(route('business.systemization-todos.store'), [
            'category' => '收入',
            'section' => '平台收入核对',
            'title' => '核对淘系收入与平台账单差异',
            'owner' => '晨曦、人参',
            'assignee' => '栎阳',
            'start_date' => '2026-10-25',
            'due_date' => '2026-10-28',
            'status' => SystemizationTodo::STATUS_IN_PROGRESS,
            'progress' => '已拉取账单，待核对订单',
            'notes' => '周会跟进',
            'screenshots' => [
                $this->pngUpload('first.png'),
                $this->pngUpload('existing.png'),
            ],
        ])->assertRedirect(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
        ]));

        $todo = SystemizationTodo::query()->firstOrFail();
        $this->assertSame('收入', $todo->category);
        $this->assertSame('晨曦、人参', $todo->owner);
        $this->assertSame(SystemizationTodo::STATUS_IN_PROGRESS, $todo->status);
        $this->assertSame(2, $todo->attachments()->count());
        $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
        ]))
            ->assertOk()
            ->assertSee('data-sys-todo-row-edit', false)
            ->assertSee('data-sys-todo-image-url', false);
        $firstAttachment = $todo->attachments()->firstOrFail();
        $existingAttachment = $todo->attachments()->reorder()->orderByDesc('id')->firstOrFail();
        Storage::disk('uploads')->assertExists($firstAttachment->path);
        Storage::disk('uploads')->assertExists($existingAttachment->path);
        $this->get(route('business.systemization-todos.attachments.show', [
            'todo' => $todo->id,
            'attachment' => $firstAttachment->id,
        ]))->assertOk()->assertHeader('content-type', 'image/png');

        $this->patch(route('business.systemization-todos.update', ['todo' => $todo->id]), [
            'category' => '收入',
            'section' => '平台收入核对',
            'title' => '核对淘系收入与平台账单差异',
            'owner' => '晨曦',
            'assignee' => '栎阳',
            'start_date' => '2026-10-25',
            'due_date' => '2026-10-27',
            'status' => SystemizationTodo::STATUS_COMPLETED,
            'progress' => '已完成核对并留档',
            'notes' => '周会确认关闭',
            'remove_attachments' => [$firstAttachment->id],
            'screenshots' => [$this->pngUpload('completed.png')],
        ])->assertRedirect();

        $todo->refresh();
        $this->assertSame(SystemizationTodo::STATUS_COMPLETED, $todo->status);
        $this->assertSame('2026-10-27', $todo->completed_at?->format('Y-m-d'));
        Storage::disk('uploads')->assertMissing($firstAttachment->path);
        $this->assertTrue(
            Storage::disk('uploads')->exists($existingAttachment->path),
            '保留截图丢失：first=' . $firstAttachment->path . ' existing=' . $existingAttachment->path,
        );
        $this->assertSame(2, $todo->attachments()->count());
        $this->assertTrue(
            $todo->attachments()->pluck('original_name')->contains('completed.png')
        );

        $this->delete(route('business.systemization-todos.destroy', ['todo' => $todo->id]))
            ->assertRedirect();
        $this->assertSoftDeleted('business_systemization_todos', ['id' => $todo->id]);
    }

    public function test_excel_import_preserves_hierarchy_and_does_not_overwrite_existing_rows(): void
    {
        $path = sys_get_temp_dir() . '/systemization-todos-' . uniqid() . '.xlsx';
        $spreadsheet = new Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();
        $sheet->fromArray([
            ['类型', '内容', '待办事项（具体工作计划）', '总负责人', '责任人', '开始时间', '完成时间', '完成情况（放截图）', '备注'],
            ['收入', '平台收入核对', '核对淘系账单', '晨曦', '栎阳', '2026-10-20', '2026-10-21', '已完成', '首轮导入'],
            [null, null, '核对拼多多账单', '晨曦', '秋香', '待定', '11月', '第一步已开始', null],
        ]);
        (new Xlsx($spreadsheet))->save($path);
        $spreadsheet->disconnectWorksheets();

        try {
            $this->loginAs()->post(route('business.systemization-todos.import'), [
                'source' => new UploadedFile(
                    $path,
                    '10.19工作梳理.xlsx',
                    'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
                    null,
                    true,
                ),
            ])->assertRedirect();

            $this->assertSame(2, SystemizationTodo::query()->count());
            $first = SystemizationTodo::query()->orderBy('sort_order')->firstOrFail();
            $second = SystemizationTodo::query()->orderByDesc('sort_order')->firstOrFail();
            $this->assertSame('收入', $first->category);
            $this->assertSame('平台收入核对', $first->section);
            $this->assertSame(SystemizationTodo::STATUS_COMPLETED, $first->status);
            $this->assertSame('收入', $second->category);
            $this->assertSame('平台收入核对', $second->section);
            $this->assertSame('待定', $second->start_note);
            $this->assertSame('11月', $second->due_note);
            $this->assertSame(SystemizationTodo::STATUS_IN_PROGRESS, $second->status);

            $result = app(SystemizationTodoWorkbookImporter::class)
                ->import($path, (int) company_id(), user_id());
            $this->assertSame(0, $result['created']);
            $this->assertSame(2, $result['skipped']);

            $this->assertSame(2, SystemizationTodo::query()->count());
            $this->assertSame(0, SystemizationTodoAttachment::query()->count());
        } finally {
            @unlink($path);
        }
    }

    public function test_page_filters_by_date_and_merges_adjacent_category_and_section_cells(): void
    {
        $this->loginAs();

        $this->createTodo('收入', '1、平台收入核对', '1、收入事项 A', '2026-10-26', 1, '晨曦', '栎阳、秋香');
        $this->createTodo('收入', '平台收入核对', '2、收入事项 B', '2026-10-27', 2);
        $this->createTodo('成本', '3、退款核销', '3、成本事项', '2026-10-26', 3, '常仪', '山时');
        $this->createTodo('费用', '4、逾期核对', '4、逾期事项', '2026-10-20', 4, '人参', '玉兔');

        $pageResponse = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
        ]));
        $pageResponse
            ->assertOk()
            ->assertSee('rowspan="2"', false)
            ->assertSee('<th scope="col">内容</th><th scope="col">序号</th><th scope="col">待办事项</th>', false)
            ->assertSee('title="当前类型内序号">1</span>', false)
            ->assertSee('title="当前类型内序号">2</span>', false)
            ->assertDontSee('1、平台收入核对')
            ->assertDontSee('3、退款核销')
            ->assertDontSee('1、收入事项 A')
            ->assertDontSee('3、成本事项')
            ->assertSee('收入事项 A')
            ->assertSee('收入事项 B');
        $pageContent = $pageResponse->viewData('content');
        $this->assertSame(
            ['__overdue__', '待办'],
            array_column($pageContent['todoStatusOptions']->all(), 'value'),
        );
        $pageItems = $pageContent['items']->getCollection();
        $this->assertSame(
            [1, 2],
            $pageItems->where('category', '收入')
                ->pluck('category_sequence')
                ->map(static fn (mixed $value): int => (int) $value)
                ->values()
                ->all(),
        );
        $this->assertSame(
            [1],
            $pageItems->where('category', '成本')
                ->pluck('category_sequence')
                ->map(static fn (mixed $value): int => (int) $value)
                ->values()
                ->all(),
        );

        $response = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
            'due_date' => '2026-10-26',
        ]));

        $response->assertOk()->assertSee('收入事项 A')->assertSee('成本事项');
        $content = $response->viewData('content');
        $this->assertNotContains('收入事项 B', $content['items']->pluck('title')->all());
        $this->assertSame([
            'due_date' => '2026-10-26',
        ], array_intersect_key($content['todoFilters'], array_flip(['due_date'])));

        $peopleResponse = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
            'assignee' => ['秋香', '山时'],
        ]))->assertOk();
        $peopleContent = $peopleResponse->viewData('content');
        $this->assertEqualsCanonicalizing(
            ['1、收入事项 A', '3、成本事项'],
            $peopleContent['items']->pluck('title')->all(),
        );

        $ownerResponse = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
            'owner' => ['常仪', '人参'],
        ]))->assertOk();
        $this->assertEqualsCanonicalizing(
            ['3、成本事项', '4、逾期事项'],
            $ownerResponse->viewData('content')['items']->pluck('title')->all(),
        );

        $overdueResponse = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
            'status' => '__overdue__',
        ]))->assertOk();
        $this->assertSame(
            ['4、逾期事项'],
            $overdueResponse->viewData('content')['items']->pluck('title')->all(),
        );
    }

    private function createTodo(
        string $category,
        string $section,
        string $title,
        string $dueDate,
        int $sortOrder,
        string $owner = '晨曦',
        string $assignee = '栎阳',
    ): SystemizationTodo {
        return SystemizationTodo::query()->create([
            'company_id' => (int) company_id(),
            'category' => $category,
            'section' => $section,
            'title' => $title,
            'owner' => $owner,
            'assignee' => $assignee,
            'start_date' => '2026-10-25',
            'due_date' => $dueDate,
            'status' => SystemizationTodo::STATUS_PENDING,
            'sort_order' => $sortOrder,
            'created_by' => user_id(),
            'updated_by' => user_id(),
        ]);
    }

    private function pngUpload(string $name): UploadedFile
    {
        return UploadedFile::fake()->createWithContent(
            $name,
            base64_decode('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII='),
        );
    }
}