<?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 同步待办')
            ->assertSeeText('总负责人')
            ->assertSeeText('责任人')
            ->assertSeeText('类型序号')
            ->assertSeeText('内容序号')
            ->assertSeeText('待办序号')
            ->assertSeeText('已逾期')
            ->assertSeeText('开始时间')
            ->assertSeeText('完成时间')
            ->assertSeeText('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('data-sys-todo-open-delete', false)
            ->assertSee('id="sysTodoDeleteConfirm"', false)
            ->assertSee('data-sys-todo-table-wrap', false)
            ->assertSee('data-sys-todo-scrollrail', false)
            ->assertDontSee('<th scope="col">操作</th>', false)
            ->assertDontSeeText('下一页')
            ->assertSee('id="sysTodoImageViewer"', false);

        $storeResponse = $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'),
            ],
        ]);
        $storeResponse->assertRedirect();

        $todo = SystemizationTodo::query()->firstOrFail();
        $location = (string) $storeResponse->headers->get('Location');
        parse_str((string) parse_url($location, PHP_URL_QUERY), $redirectQuery);
        $this->assertSame((string) $todo->id, $redirectQuery['highlight'] ?? null);
        $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">待办序号</th><th scope="col">待办事项</th>', false)
            ->assertSee('sys-todo-table__type', false)
            ->assertSee('title="类型序号">1</span>', false)
            ->assertSee('title="内容序号">1</span>', false)
            ->assertSee('title="当前内容内待办序号">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'];
        $this->assertSame(
            [1, 1],
            $pageItems->where('category', '收入')
                ->pluck('type_sequence')
                ->map(static fn (mixed $value): int => (int) $value)
                ->values()
                ->all(),
        );
        $this->assertSame(
            [1, 2],
            $pageItems->where('category', '收入')
                ->pluck('item_sequence')
                ->map(static fn (mixed $value): int => (int) $value)
                ->values()
                ->all(),
        );
        $this->assertSame(
            [2],
            $pageItems->where('category', '成本')
                ->pluck('type_sequence')
                ->map(static fn (mixed $value): int => (int) $value)
                ->values()
                ->all(),
        );

        $sequenceResponse = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
            'category' => '收入',
            'item_sequence' => 2,
        ]))->assertOk();
        $sequenceContent = $sequenceResponse->viewData('content');
        $this->assertSame(['2、收入事项 B'], $sequenceContent['items']->pluck('title')->all());

        $typeSequenceContent = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
            'type_sequence' => 2,
        ]))->assertOk()->viewData('content');
        $this->assertSame(['3、成本事项'], $typeSequenceContent['items']->pluck('title')->all());

        $highlightedTodo = $pageItems->firstWhere('title', '2、收入事项 B');
        $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
            'highlight' => $highlightedTodo->id,
        ]))
            ->assertOk()
            ->assertSee('id="sys-todo-row-' . $highlightedTodo->id . '" class="is-highlighted"', false);

        $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(),
        );
    }

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

        $pending = $this->createTodo('收入', '钉钉流程', '待办事项 A', '2026-10-30', 1);
        $completed = $this->createTodo('收入', '钉钉流程', '待办事项 B', '2026-10-10', 2);
        $completed->update([
            'status' => SystemizationTodo::STATUS_COMPLETED,
            'completed_at' => '2026-10-10',
        ]);
        $inProgress = $this->createTodo('收入', '钉钉流程', '待办事项 C', '2026-10-20', 3);
        $inProgress->update(['status' => SystemizationTodo::STATUS_IN_PROGRESS]);
        $secondContent = $this->createTodo('收入', '报销流程', '待办事项 D', '2026-11-01', 4);
        $cost = $this->createTodo('成本', '成本核对', '待办事项 E', '2026-11-02', 5);

        $response = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
        ]))->assertOk();
        $content = $response->viewData('content');
        $items = $content['items'];

        $this->assertSame(
            [$pending->id, $completed->id, $inProgress->id, $secondContent->id, $cost->id],
            $items->pluck('id')->all(),
        );
        $this->assertSame(
            [[1, 1, [1, 2, 3]], [1, 2, [1]], [2, 1, [1]]],
            $items
                ->groupBy(static fn (SystemizationTodo $todo): string => $todo->type_sequence . ':' . $todo->content_sequence)
                ->map(static fn ($group): array => [
                    (int) $group->first()->type_sequence,
                    (int) $group->first()->content_sequence,
                    $group->pluck('item_sequence')->map(static fn (mixed $value): int => (int) $value)->all(),
                ])
                ->values()
                ->all(),
        );
        $contentResponse = $this->get(route('business.pages.show', [
            'section' => 'other',
            'page' => 'systemization-todos',
            'type_sequence' => 1,
            'content_sequence' => 2,
        ]))->assertOk();
        $this->assertSame(
            [$secondContent->id],
            $contentResponse->viewData('content')['items']->pluck('id')->all(),
        );
        $this->assertSame(
            [$completed->id, $inProgress->id],
            $items
                ->where('section', '钉钉流程')
                ->whereIn('status', [SystemizationTodo::STATUS_COMPLETED, SystemizationTodo::STATUS_IN_PROGRESS])
                ->pluck('id')
                ->all(),
        );
        $this->assertSame(1, substr_count((string) $response->getContent(), '>钉钉流程<'));
    }

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

        foreach (range(1, 55) as $index) {
            $this->createTodo(
                $index % 2 === 0 ? '收入' : '成本',
                '连续列表测试',
                '连续事项 ' . $index,
                '2026-11-30',
                $index,
            );
        }

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

        $content = $response->viewData('content');
        $this->assertCount(55, $content['items']);
        $this->assertTrue($content['items']->pluck('title')->contains('连续事项 55'));
        $response->assertSee('连续事项 55')
            ->assertSeeText('共 55 条，已全部显示')
            ->assertDontSeeText('下一页')
            ->assertDontSeeText('上一页');
    }

    public function test_excel_sync_updates_changed_rows_and_preserves_attachments(): void
    {
        Storage::fake('uploads');
        $this->loginAs();

        $initialPath = sys_get_temp_dir() . '/systemization-sync-initial-' . uniqid() . '.xlsx';
        $updatedPath = sys_get_temp_dir() . '/systemization-sync-updated-' . uniqid() . '.xlsx';

        try {
            $this->writeWorkbook($initialPath, [
                ['收入', '顾家、索菲亚过账', '系统搭建', '常仪', '晨曦', '2026-11-20', '2026-11-22', null, '原备注'],
            ]);
            app(SystemizationTodoWorkbookImporter::class)
                ->import($initialPath, (int) company_id(), user_id());

            $todo = SystemizationTodo::query()->firstOrFail();
            Storage::disk('uploads')->put('systemization-todos/test.png', 'image');
            SystemizationTodoAttachment::query()->create([
                'company_id' => (int) company_id(),
                'systemization_todo_id' => $todo->id,
                'path' => 'systemization-todos/test.png',
                'original_name' => 'existing.png',
                'mime_type' => 'image/png',
                'size' => 5,
                'uploaded_by' => user_id(),
            ]);

            $this->writeWorkbook($updatedPath, [
                ['收入', '顾家、索菲亚过账', '系统搭建，系统搭建好之后交接给林冲', '晨曦', '蕙兰', '2026-11-23', '2026-11-25', '转接', null],
                [null, null, '新增系统交接说明', '晨曦', '蕙兰', '2026-10-26', '2026-10-27', null, null],
            ]);

            $preview = app(SystemizationTodoWorkbookImporter::class)
                ->sync($updatedPath, (int) company_id(), user_id(), true);
            $this->assertSame(1, $preview['created']);
            $this->assertSame(1, $preview['updated']);
            $this->assertSame(0, $preview['retained']);
            $this->assertSame(1, SystemizationTodo::query()->count());

            $result = app(SystemizationTodoWorkbookImporter::class)
                ->sync($updatedPath, (int) company_id(), user_id());
            $this->assertSame(1, $result['created']);
            $this->assertSame(1, $result['updated']);
            $this->assertSame(0, $result['retained']);

            $todo->refresh();
            $this->assertSame('系统搭建，系统搭建好之后交接给林冲', $todo->title);
            $this->assertSame('蕙兰', $todo->assignee);
            $this->assertSame('2026-11-23', $todo->start_date?->format('Y-m-d'));
            $this->assertSame('2026-11-25', $todo->due_date?->format('Y-m-d'));
            $this->assertSame(SystemizationTodo::STATUS_IN_PROGRESS, $todo->status);
            $this->assertSame(1, $todo->attachments()->count());
            $this->assertTrue(SystemizationTodo::query()->where('title', '新增系统交接说明')->exists());

            $secondResult = app(SystemizationTodoWorkbookImporter::class)
                ->sync($updatedPath, (int) company_id(), user_id());
            $this->assertSame(0, $secondResult['created']);
            $this->assertSame(0, $secondResult['updated']);
            $this->assertSame(2, SystemizationTodo::query()->count());
        } finally {
            @unlink($initialPath);
            @unlink($updatedPath);
        }
    }

    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 writeWorkbook(string $path, array $rows): void
    {
        $spreadsheet = new Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();
        $sheet->fromArray([
            ['类型', '内容', '待办事项（具体工作计划）', '总负责人', '责任人', '开始时间', '完成时间', '完成情况（放截图）', '备注'],
            ...$rows,
        ]);
        (new Xlsx($spreadsheet))->save($path);
        $spreadsheet->disconnectWorksheets();
    }

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