import { Buffer } from 'node:buffer';

import type { Page, Route } from '@playwright/test';
import { expect, test } from '@playwright/test';

const documentId = '01M00000000000000000000230';
const companyId = '01M00000000000000000000231';
const projectId = '01M00000000000000000000232';
const nestedFileId = '01M00000000000000000000247';

function fields() {
  return [
    {
      code: 'projectName',
      label: '项目名称',
      sectionCode: 'BASE',
      sectionName: '项目基础信息',
      dataType: 'TEXT',
      required: true,
      repeatable: false,
      maxLength: 200,
      options: [],
      sensitivity: 'NORMAL',
      sortOrder: 10,
    },
    {
      code: 'budgetDetails',
      label: '预算明细',
      sectionCode: 'BUDGET',
      sectionName: '预算信息',
      dataType: 'TABLE',
      required: true,
      repeatable: true,
      options: [
        { code: 'costType', label: '费用类型' },
        { code: 'amount', label: '金额', dataType: 'DECIMAL' },
      ],
      sensitivity: 'INTERNAL',
      sortOrder: 20,
    },
    {
      code: 'supportingFiles',
      label: '立项附件',
      sectionCode: 'ATTACHMENT',
      sectionName: '附件信息',
      dataType: 'FILE',
      required: true,
      repeatable: true,
      options: [],
      sensitivity: 'INTERNAL',
      sortOrder: 30,
    },
    {
      code: 'attachmentMatrix',
      label: '条件附件矩阵',
      sectionCode: 'ATTACHMENT',
      sectionName: '附件信息',
      dataType: 'TABLE',
      required: true,
      repeatable: true,
      options: [
        { code: 'attachmentType', label: '附件类型', dataType: 'TEXT', required: true, maxLength: 100 },
        { code: 'required', label: '是否必需', dataType: 'BOOLEAN', required: true },
        { code: 'fileId', label: '文件', dataType: 'FILE', required: false },
        { code: 'notApplicableReason', label: '不涉及原因', dataType: 'LONG_TEXT', required: false, maxLength: 500 },
      ],
      sensitivity: 'INTERNAL',
      sortOrder: 40,
    },
  ];
}

function summary(overrides: Record<string, unknown> = {}) {
  return {
    publicId: documentId,
    businessNo: 'OA01-E2E-PREVIEW',
    formType: 'OA-01',
    formName: '项目立项申请',
    templateVersion: 1,
    sourceSystem: 'MANUAL',
    sourceNo: 'SRC-OA01-PREVIEW',
    sourceVersion: '1',
    company: { publicId: companyId, name: '凯迪测试公司' },
    project: { publicId: projectId, name: '预览验收项目' },
    applicantName: '项目经办人',
    businessDate: '2026-08-15',
    status: 'DRAFT',
    currentNodeCode: null,
    currentNodeName: null,
    version: 1,
    createdByName: '项目经办人',
    createdAt: '2026-08-15T08:00:00Z',
    updatedAt: '2026-08-15T08:00:00Z',
    allowedActions: ['EDIT', 'VALIDATE', 'SUBMIT', 'VOID'],
    ...overrides,
  };
}

function validation(valid: boolean) {
  return {
    documentId,
    version: 1,
    valid,
    canSubmit: valid,
    errors: valid
      ? []
      : [{ level: 'ERROR', sectionCode: 'BASE', fieldCode: 'projectName', message: '项目名称为必填项' }],
    warnings: [],
    validatedAt: '2026-08-15T08:01:00Z',
  };
}

function detail(valid: boolean, submitted = false, valuesOverride: Record<string, unknown> = {}) {
  return {
    summary: summary(
      submitted
        ? {
            status: 'PROJECT_REVIEW',
            currentNodeCode: 'PROJECT_REVIEW',
            currentNodeName: '项目复核',
            version: 2,
            allowedActions: ['WITHDRAW', 'VOID'],
          }
        : {},
    ),
    documentVersion: 2,
    snapshotSha256: 'b'.repeat(64),
    values: {
      projectName: '预览验收项目',
      budgetDetails: [{ costType: '材料', amount: 1000 }],
      supportingFiles: ['01M00000000000000000000233'],
      attachmentMatrix: [{ attachmentType: '发票及验收资料', required: false, fileId: '' }],
      ...valuesOverride,
    },
    fields: fields(),
    approvals: [],
    validation: validation(valid),
  };
}

function template() {
  return {
    publicId: '01M00000000000000000000234',
    formType: 'OA-01',
    templateVersion: 1,
    name: '项目立项申请',
    groupCode: 'PROJECT_PREPARATION',
    groupName: '项目准备',
    purpose: '形成项目基础资料',
    initiatorRoles: ['PROJECT_MANAGER'],
    status: 'ACTIVE',
    publishedAt: '2026-08-15T08:00:00Z',
    myDraftCount: 1,
    myPendingCount: 0,
    canCreate: true,
    fields: fields(),
  };
}

function session() {
  return {
    authenticated: true,
    user: {
      publicId: '01M00000000000000000000235',
      username: 'editor-e2e',
      displayName: '项目经办人',
      departmentName: '项目部',
      mustChangePassword: false,
    },
    roles: [{ code: 'PROJECT_MANAGER', name: '项目管理人员', workbenchRoute: '/workbench/project' }],
    activeRole: 'PROJECT_MANAGER',
    permissions: ['source:template:view', 'source:form:view', 'source:form:edit', 'source:form:submit'],
  };
}

async function installEditorFixture(
  page: Page,
  validateRequests: Array<Record<string, unknown>>,
  submitRequests: Array<Record<string, unknown>>,
  updateRequests: Array<Record<string, unknown>> = [],
  uploadRequests: string[] = [],
  uploadGate?: Promise<void>,
) {
  const userSession = session();
  let isValid = false;
  let isSubmitted = false;
  let currentValues: Record<string, unknown> = detail(false).values;

  await page.route('**/api/v1/**', async (route: Route) => {
    const request = route.request();
    const pathname = new URL(request.url()).pathname;
    if (pathname === '/api/v1/auth/session') {
      await route.fulfill({ json: { data: userSession, requestId: '01M00000000000000000000236' } });
      return;
    }
    if (pathname === '/api/v1/auth/profile') {
      await route.fulfill({ json: { data: userSession.user, requestId: '01M00000000000000000000237' } });
      return;
    }
    if (pathname === '/api/v1/auth/roles') {
      await route.fulfill({ json: { data: userSession.roles, requestId: '01M00000000000000000000238' } });
      return;
    }
    if (pathname === '/api/v1/auth/csrf') {
      await route.fulfill({
        headers: { 'set-cookie': 'XSRF-TOKEN=editor-e2e-csrf; Path=/' },
        json: { data: { token: 'editor-e2e-csrf' }, requestId: '01M00000000000000000000239' },
      });
      return;
    }
    if (request.method() === 'GET' && pathname === '/api/v1/source/templates') {
      await route.fulfill({ json: { data: [template()], requestId: '01M00000000000000000000240' } });
      return;
    }
    if (request.method() === 'GET' && pathname === '/api/v1/source/templates/OA-01/versions/1') {
      await route.fulfill({ json: { data: template(), requestId: '01M00000000000000000000241' } });
      return;
    }
    if (request.method() === 'GET' && pathname === '/api/v1/source/references') {
      await route.fulfill({
        json: {
          data: {
            companies: [{ publicId: companyId, name: '凯迪测试公司' }],
            projects: [{ publicId: projectId, name: '预览验收项目' }],
            suppliers: [],
            customers: [],
            contracts: [],
            costCategories: [],
          },
          requestId: '01M00000000000000000000242',
        },
      });
      return;
    }
    if (request.method() === 'GET' && pathname === `/api/v1/source/forms/${documentId}`) {
      await route.fulfill({
        json: { data: detail(isValid, isSubmitted, currentValues), requestId: '01M00000000000000000000243' },
      });
      return;
    }
    if (request.method() === 'PATCH' && pathname === `/api/v1/source/forms/${documentId}`) {
      const payload = request.postDataJSON() as Record<string, unknown>;
      updateRequests.push(payload);
      currentValues = payload.values as Record<string, unknown>;
      await route.fulfill({
        json: { data: detail(false, false, currentValues), requestId: '01M00000000000000000000248' },
      });
      return;
    }
    if (request.method() === 'POST' && pathname === '/api/v1/files') {
      uploadRequests.push((await request.headerValue('content-type')) || '');
      if (uploadGate) await uploadGate;
      await route.fulfill({
        json: {
          data: {
            publicId: nestedFileId,
            originalName: 'matrix-evidence.pdf',
            mediaType: 'application/pdf',
            extension: 'pdf',
            sizeBytes: 24,
            sha256: 'd'.repeat(64),
            scanStatus: 'AVAILABLE',
            createdAt: '2026-08-15T08:02:00Z',
          },
          requestId: '01M00000000000000000000249',
        },
      });
      return;
    }
    if (request.method() === 'POST' && pathname === `/api/v1/source/forms/${documentId}/validate`) {
      validateRequests.push((request.postDataJSON() || {}) as Record<string, unknown>);
      isValid = true;
      await route.fulfill({ json: { data: validation(true), requestId: '01M00000000000000000000244' } });
      return;
    }
    if (request.method() === 'POST' && pathname === `/api/v1/source/forms/${documentId}/submit`) {
      submitRequests.push(request.postDataJSON() as Record<string, unknown>);
      isSubmitted = true;
      await route.fulfill({
        json: { data: detail(true, true, currentValues), requestId: '01M00000000000000000000245' },
      });
      return;
    }
    if (request.method() === 'GET') {
      await route.fulfill({
        json: {
          data: [],
          meta: { page: 1, size: 20, totalElements: 0, totalPages: 0 },
          requestId: '01M00000000000000000000246',
        },
      });
      return;
    }
    await route.fulfill({ status: 204 });
  });
}

test('PAGE-10 validates, previews the saved snapshot and confirms submission', async ({ page }) => {
  const validateRequests: Array<Record<string, unknown>> = [];
  const submitRequests: Array<Record<string, unknown>> = [];
  await installEditorFixture(page, validateRequests, submitRequests);

  await page.goto(`/forms/OA-01/${documentId}`);
  await expect(page.getByRole('heading', { name: '项目立项申请', exact: true })).toBeVisible();
  await page.getByRole('button', { name: '执行校验', exact: true }).click();
  await expect(page.getByRole('button', { name: '预览并提交', exact: true })).toBeVisible();
  await page.getByRole('button', { name: '预览并提交', exact: true }).click();

  const dialog = page.locator('.t-dialog').filter({ hasText: '提交预览' });
  await expect(dialog.getByText('OA01-E2E-PREVIEW', { exact: true })).toBeVisible();
  await expect(dialog.getByText('预览验收项目', { exact: true }).first()).toBeVisible();
  await expect(dialog.getByText('第 1 行：费用类型：材料；金额：1000', { exact: true })).toBeVisible();
  await expect(dialog.getByText('项目复核', { exact: true })).toBeVisible();
  await expect(submitRequests).toHaveLength(0);

  await dialog.getByRole('button', { name: '确认提交', exact: true }).click();
  await expect.poll(() => submitRequests.length).toBe(1);
  expect(submitRequests[0]).toEqual({ version: 1 });
  expect(validateRequests).toHaveLength(3);
  await expect(dialog).toBeHidden();
  await expect(page.getByText('已提交审批', { exact: true })).toBeVisible();
});

test('PAGE-10 saves current edits before validating the server snapshot', async ({ page }) => {
  const updateRequests: Array<Record<string, unknown>> = [];
  const validateRequests: Array<Record<string, unknown>> = [];
  await installEditorFixture(page, validateRequests, [], updateRequests);

  await page.goto(`/forms/OA-01/${documentId}`);
  const projectNameInput = page.locator('.field-section').first().locator('input').first();
  await projectNameInput.fill('已更新的预览验收项目');
  await page.getByRole('button', { name: '执行校验', exact: true }).click();

  await expect.poll(() => updateRequests.length).toBe(1);
  await expect.poll(() => validateRequests.length).toBe(1);
  expect((updateRequests[0].values as Record<string, unknown>).projectName).toBe('已更新的预览验收项目');
});

test('PAGE-10 edits boolean matrix cells and uploads nested evidence files', async ({ page }) => {
  const updateRequests: Array<Record<string, unknown>> = [];
  const uploadRequests: string[] = [];
  await installEditorFixture(page, [], [], updateRequests, uploadRequests);

  await page.goto(`/forms/OA-01/${documentId}`);
  const matrixRow = page.locator('.detail-row').filter({ hasText: '是否必需' });
  await expect(matrixRow).toBeVisible();

  const requiredSwitch = matrixRow.locator('.t-switch');
  await expect(requiredSwitch).toContainText('否');
  await requiredSwitch.click();
  await expect(requiredSwitch).toContainText('是');

  await matrixRow.locator('input[type="file"]').setInputFiles({
    name: 'matrix-evidence.pdf',
    mimeType: 'application/pdf',
    buffer: Buffer.from('nested matrix evidence'),
  });
  await matrixRow.getByRole('button', { name: '上传附件', exact: true }).click();
  await expect.poll(() => uploadRequests.length).toBe(1);
  expect(uploadRequests[0]).toContain('multipart/form-data');
  await expect(matrixRow.getByText(nestedFileId, { exact: true })).toBeVisible();

  await page.getByRole('button', { name: '保存草稿', exact: true }).first().click();
  await expect.poll(() => updateRequests.length).toBe(1);
  const savedValues = updateRequests[0].values as Record<string, unknown>;
  expect(updateRequests[0]).not.toHaveProperty('formType');
  expect(updateRequests[0]).not.toHaveProperty('templateVersion');
  expect(updateRequests[0]).not.toHaveProperty('sourceSystem');
  expect(savedValues.attachmentMatrix).toEqual([
    {
      attachmentType: '发票及验收资料',
      required: true,
      fileId: nestedFileId,
    },
  ]);
});

test('PAGE-10 keeps concurrent upload states isolated and blocks stale draft saves', async ({ page }) => {
  const updateRequests: Array<Record<string, unknown>> = [];
  const uploadRequests: string[] = [];
  let releaseUploads: () => void = () => undefined;
  const uploadGate = new Promise<void>((resolve) => {
    releaseUploads = resolve;
  });
  await installEditorFixture(page, [], [], updateRequests, uploadRequests, uploadGate);

  await page.goto(`/forms/OA-01/${documentId}`);
  const topLevelFile = page.locator('.file-field').first();
  const matrixRow = page.locator('.detail-row').filter({ hasText: '是否必需' });

  await topLevelFile.locator('input[type="file"]').setInputFiles({
    name: 'project-support.pdf',
    mimeType: 'application/pdf',
    buffer: Buffer.from('project support'),
  });
  await matrixRow.locator('input[type="file"]').setInputFiles({
    name: 'matrix-evidence.pdf',
    mimeType: 'application/pdf',
    buffer: Buffer.from('nested matrix evidence'),
  });

  const topLevelUpload = topLevelFile.getByRole('button', { name: '上传文件', exact: true });
  const matrixUpload = matrixRow.getByRole('button', { name: '上传附件', exact: true });
  await topLevelUpload.click();
  await matrixUpload.click();
  await expect.poll(() => uploadRequests.length).toBe(2);

  await expect(topLevelUpload).toBeDisabled();
  await expect(matrixUpload).toBeDisabled();
  await expect(page.getByRole('button', { name: '保存草稿', exact: true }).first()).toBeDisabled();
  expect(updateRequests).toHaveLength(0);

  releaseUploads();
  await expect(matrixRow.getByText(nestedFileId, { exact: true })).toBeVisible();
  await expect(topLevelFile.getByText(nestedFileId, { exact: true })).toBeVisible();
  await expect(page.getByRole('button', { name: '保存草稿', exact: true }).first()).toBeEnabled();

  await page.getByRole('button', { name: '保存草稿', exact: true }).first().click();
  await expect.poll(() => updateRequests.length).toBe(1);
  expect(updateRequests[0]).not.toHaveProperty('formType');
  expect(updateRequests[0]).not.toHaveProperty('templateVersion');
  expect(updateRequests[0]).not.toHaveProperty('sourceSystem');
});