import { test, expect, type Page } from '@playwright/test'
import { signIn, freshScene, openEditor, ready, diagnostics, action, save, shot, evidence, closeSession } from './scene-editor-closure-helpers'

test.afterEach(async ({ page }) => closeSession(page))
const field = (page: Page, name: string) => page.locator(`[data-inspector-field="${name}"]`)
const object = (d: any, id: string) => d.objects.find((o: any) => o.sceneId === id)
const distance = (a: number[], b: number[]) => Math.hypot(...a.map((v, i) => v - b[i]!))
async function settle(page: Page) {
  let previous = ''
  await expect.poll(async () => {
    const d = await diagnostics(page)
    const current = [...d.cameraPosition, ...d.cameraTarget].map((n: number) => n.toFixed(3)).join(',')
    const same = previous === current; previous = current; return same
  }).toBe(true)
}

// Only project existing scene/gizmo geometry to pixels. All mutations below use
// browser pointer/keyboard actions; this hook exposes no editor or write methods.
async function installProjection(page: Page) {
  await page.route('**/src/features/guide-legacy/demo-src/scene-editor.js*', async route => {
    const response = await route.fetch()
    const body = await response.text()
    await route.fulfill({ response, body: body + `\n
globalThis.__scenePointerRead = (kind, wanted) => {
  const e = activeSceneEditor; if (!e) return null;
  if(kind === 'axis') return e.transform.axis;
  const rect = e.renderer.domElement.getBoundingClientRect();
  const project = v => { const p = v.clone().project(e.camera); return {x:rect.x+(p.x+1)*rect.width/2,y:rect.y+(1-p.y)*rect.height/2,z:p.z}; };
  const visible = n => { for(let p=n;p;p=p.parent) if(!p.visible)return false; return true; };
  const candidates=[];
  if(kind==='gizmo') {
    const group=e.transform._gizmo.picker[e.transform.mode];
    group.traverse(n=>{
      if(n.name!==wanted || !n.geometry?.attributes?.position || !n.visible)return;
      const a=n.geometry.attributes.position, box=new THREE.Box3();
      for(let i=0;i<a.count;i++)box.expandByPoint(new THREE.Vector3().fromBufferAttribute(a,i));
      candidates.push(project(box.getCenter(new THREE.Vector3()).applyMatrix4(n.matrixWorld)));
      const stride=Math.max(1,Math.floor(a.count/48));
      for(let i=0;i<a.count;i+=stride)candidates.push(project(new THREE.Vector3().fromBufferAttribute(a,i).applyMatrix4(n.matrixWorld)));
    });
  } else {
    const root=e.objects.find(n=>n.userData.sceneId===wanted);
    root?.traverse(n=>{
      if(!n.isMesh || !visible(n) || !n.geometry?.attributes?.position)return;
      const a=n.geometry.attributes.position,box=new THREE.Box3();
      for(let i=0;i<a.count;i++)box.expandByPoint(new THREE.Vector3().fromBufferAttribute(a,i));
      const p=project(box.getCenter(new THREE.Vector3()).applyMatrix4(n.matrixWorld));
      const ray=new THREE.Raycaster();ray.setFromCamera(new THREE.Vector2((p.x-rect.x)/rect.width*2-1,-(p.y-rect.y)/rect.height*2+1),e.camera);
      const picked=chooseSceneSelection(ray.intersectObjects(e.objects.filter(n=>n.visible),true),e.objects);
      if(picked===root || picked?.userData.sceneOwnerId===wanted)candidates.push({...p,sceneId:picked.userData.sceneId});
    });
  }
  return candidates.filter(p=>p.z>-1&&p.z<1&&p.x>rect.x+15&&p.x<rect.right-15&&p.y>rect.y+65&&p.y<rect.bottom-15);
};` })
  })
}
async function dragGizmo(page: Page, axis: string, dx: number, dy: number) {
  await page.evaluate(() => new Promise(resolve => requestAnimationFrame(() => requestAnimationFrame(resolve))))
  const candidates = await page.evaluate(axis => (window as any).__scenePointerRead('gizmo', axis), axis)
  let hit: any
  for (const point of candidates) {
    await page.mouse.move(point.x, point.y)
    if (await page.evaluate(() => (window as any).__scenePointerRead('axis')) === axis) { hit = point; break }
  }
  expect(hit, `visible ${axis} gizmo can be picked by a real mouse`).toBeTruthy()
  await page.mouse.down(); await page.mouse.move(hit.x + dx, hit.y + dy, { steps: 18 }); await page.mouse.up()
}
async function theme(page: Page, label: string) {
  await page.getByRole('button', { name: '界面与导航设置' }).click()
  const drawer = page.locator('.el-drawer').filter({ hasText: '界面与导航设置' })
  await drawer.locator('.theme-options button').filter({ hasText: label }).click()
  await drawer.locator('.el-drawer__close-btn').click()
  await expect(drawer).toBeHidden()
}

test('真实相机操控、视口拾取、预览禁写和两尺寸主题可读性', async ({ page }, info) => {
  await installProjection(page)
  const token = await signIn(page), copy = await freshScene(token, 'fox', '视口主题')
  await openEditor(page, copy.project.id)
  const initial = await diagnostics(page), fox = initial.objects.find((o: any) => o.targetProjectId === '157')
  await page.locator(`#se-tree [data-object-id="${fox.sceneId}"]`).click(); await action(page, 'focus').click(); await settle(page)
  const canvas = page.locator('#se-viewport > canvas'), box = (await canvas.boundingBox())!
  const start = { x: box.x + box.width * .38, y: box.y + box.height * .66 }
  const beforeOrbit = await diagnostics(page)
  await page.mouse.move(start.x, start.y); await page.mouse.down(); await page.mouse.move(start.x + 95, start.y - 38, { steps: 18 }); await page.mouse.up(); await settle(page)
  const orbited = await diagnostics(page); expect(distance(orbited.cameraPosition, beforeOrbit.cameraPosition)).toBeGreaterThan(.1)
  await page.mouse.move(start.x, start.y); await page.mouse.down({ button: 'right' }); await page.mouse.move(start.x + 70, start.y - 30, { steps: 18 }); await page.mouse.up({ button: 'right' }); await settle(page)
  const panned = await diagnostics(page); expect(distance(panned.cameraTarget, orbited.cameraTarget)).toBeGreaterThan(.1)
  await page.mouse.wheel(0, -250); await settle(page)
  const zoomed = await diagnostics(page); expect(distance(zoomed.cameraPosition, zoomed.cameraTarget)).toBeLessThan(distance(panned.cameraPosition, panned.cameraTarget))
  await action(page, 'top').click(); await settle(page)
  expect((await diagnostics(page)).cameraPosition).not.toEqual(zoomed.cameraPosition)
  await page.locator('[data-camera="perspective"]').click(); await settle(page)
  expect(distance((await diagnostics(page)).cameraPosition, zoomed.cameraPosition)).toBeLessThan(.02)
  const grid = (await diagnostics(page)).gridVisible; await action(page, 'grid').click(); expect((await diagnostics(page)).gridVisible).toBe(!grid); await action(page, 'grid').click()
  await page.locator(`#se-tree [data-object-id="${fox.sceneId}"]`).click(); await action(page, 'focus').click(); await settle(page)
  const points = await page.evaluate(id => (window as any).__scenePointerRead('mesh', id), fox.sceneId)
  expect(points.length).toBeGreaterThan(0); await page.mouse.click(points[0].x, points[0].y)
  expect((await diagnostics(page)).selectedSceneId).toBe(points[0].sceneId)
  await theme(page, '暗色')
  await shot(page, info, '40-viewport-dark-1920')
  await page.setViewportSize({ width: 1440, height: 1000 }); await theme(page, '军工绿')
  const inspectorBounds = (await page.locator('.se-right').boundingBox())!
  expect(inspectorBounds.x + inspectorBounds.width).toBeLessThanOrEqual(1440)
  await expect.poll(async () => { const b = (await canvas.boundingBox())!; return b.x + b.width <= inspectorBounds.x }).toBe(true)
  const colors = await page.locator('[data-inspector-field="x"]').evaluate(el => ({ text: getComputedStyle(el).color, background: getComputedStyle(el).backgroundColor }))
  expect(colors.text).not.toBe(colors.background)
  await shot(page, info, '41-viewport-light-1440')
  await page.setViewportSize({ width: 1920, height: 1080 })
  const beforePreview = await diagnostics(page)
  await action(page, 'preview').click(); expect((await diagnostics(page)).previewing).toBe(true)
  await expect(action(page, 'save')).toBeDisabled(); await expect(field(page, 'name')).toBeDisabled()
  await page.keyboard.press('Delete'); await page.keyboard.press('w'); await page.keyboard.press('e'); await page.keyboard.press('r')
  expect((await diagnostics(page)).objects).toEqual(beforePreview.objects)
  await shot(page, info, '42-fox-preview-original-material')
  await page.keyboard.press('Escape'); expect((await diagnostics(page)).previewing).toBe(false); await expect(action(page, 'save')).toBeEnabled()
  evidence('viewport-camera-theme', { status: 'PASS', kind: '真实UI+只读投影', projectId: copy.project.id, featureIds: ['view.orbit','view.pan','view.zoom','view.top','view.perspective','view.grid','view.focus','selection.viewport','selection.highlight','preview.enter','preview.exit','preview.lock','lifecycle.resize-theme'], colors, screenshots: ['40-viewport-dark-1920','41-viewport-light-1440','42-fox-preview-original-material'] })
})

test('真实变换手柄移动旋转缩放、吸附与保存重开', async ({ page }, info) => {
  await installProjection(page)
  const token = await signIn(page), copy = await freshScene(token, 'truck', '变换手柄')
  await openEditor(page, copy.project.id)
  await page.locator('[data-left-tab="scenes"]').click(); await page.locator('[data-preset-id="workshop-1"]').click(); await ready(page)
  await page.locator('[data-left-tab="assets"]').click(); await page.locator('[data-asset-id="equipment"]').dblclick()
  const added = (await diagnostics(page)).objects[0]; expect(added).toBeTruthy()
  await action(page, 'focus').click(); await settle(page)
  await page.keyboard.press('w'); expect((await diagnostics(page)).transformMode).toBe('translate')
  await dragGizmo(page, 'X', 85, -12)
  const moved = object(await diagnostics(page), added.sceneId); expect(moved.position).not.toEqual(added.position); expect(moved.position[0] * 2).toBeCloseTo(Math.round(moved.position[0] * 2), 4)
  await page.keyboard.press('e'); expect((await diagnostics(page)).transformMode).toBe('rotate')
  await dragGizmo(page, 'Y', 70, 45)
  const rotated = object(await diagnostics(page), added.sceneId); expect(rotated.rotation).not.toEqual(moved.rotation); expect(rotated.rotation[1] / (Math.PI / 12)).toBeCloseTo(Math.round(rotated.rotation[1] / (Math.PI / 12)), 4)
  await action(page, 'snap').click(); await expect(page.locator('#se-status-snap')).toHaveText('关闭')
  await page.keyboard.press('r'); expect((await diagnostics(page)).transformMode).toBe('scale')
  await dragGizmo(page, 'X', 70, -20)
  expect(object(await diagnostics(page), added.sceneId).scale[0]).toBe(.000001)
  await action(page, 'undo').click()
  await expect.poll(async () => object(await diagnostics(page), added.sceneId).scale).toEqual(rotated.scale)
  await dragGizmo(page, 'X', -30, 10)
  const scaled = object(await diagnostics(page), added.sceneId); expect(scaled.scale).not.toEqual(rotated.scale); expect(scaled.scale.every((v: number) => v > 0)).toBe(true)
  await action(page, 'snap').click(); await expect(page.locator('#se-status-snap')).toHaveText('0.5m')
  await shot(page, info, '43-real-transform-gizmo')
  await save(page); await page.reload(); await ready(page)
  const reopened = object(await diagnostics(page), added.sceneId)
  expect(reopened.position).toEqual(scaled.position); expect(reopened.rotation).toEqual(scaled.rotation); expect(reopened.scale).toEqual(scaled.scale)
  await expect(page.getByText('旧版本恢复稿', { exact: false })).toBeHidden()
  evidence('viewport-transform', { status: 'PASS', kind: '真实UI手柄+只读几何投影定位', projectId: copy.project.id, featureIds: ['transform.translate','transform.rotate','transform.scale','transform.keys','transform.snap'], before: added, after: reopened, screenshots: ['43-real-transform-gizmo'] })
})

test('缓存标签暂停键盘、草稿恢复以及关闭取消和保存失败留页', async ({ page }, info) => {
  const token = await signIn(page), copy = await freshScene(token, 'fox', '缓存关闭')
  await openEditor(page, copy.project.id)
  const fox = (await diagnostics(page)).objects.find((o: any) => o.targetProjectId === '157')
  await page.locator(`#se-tree [data-object-id="${fox.sceneId}"]`).click()
  await field(page, 'name').fill('缓存未保存狐狸'); await field(page, 'name').press('Tab')
  const dirty = await diagnostics(page); expect(dirty.dirty).toBe(true)
  await page.locator('.page-tab-link').filter({ hasText: '工作总览' }).click()
  await expect.poll(async () => (await diagnostics(page))?.paused).toBe(true)
  await page.keyboard.press('Delete'); await page.keyboard.press('w'); await page.keyboard.press('e'); await page.keyboard.press('r'); await page.keyboard.press('Control+z')
  expect((await diagnostics(page)).objects).toEqual(dirty.objects)
  await page.locator('.page-tab-link').filter({ hasText: '数字场景编辑' }).click(); await ready(page)
  expect((await diagnostics(page)).paused).toBe(false); expect((await diagnostics(page)).dirty).toBe(true); await expect(field(page, 'name')).toHaveValue('缓存未保存狐狸')
  await page.locator('.page-tab.active .page-tab-close').click()
  await expect(page.getByRole('dialog')).toBeVisible(); await page.keyboard.press('Escape')
  await expect(page.locator('.se-shell')).toBeVisible(); expect((await diagnostics(page)).dirty).toBe(true)
  await page.route(`**/api/tran/v1/content/projects/${copy.project.id}`, async route => {
    if (route.request().method() === 'PUT') return route.fulfill({ status: 503, contentType: 'application/json', body: JSON.stringify({ code: 'SERVICE_UNAVAILABLE', message: '视口关闭回归：模拟保存失败', data: null }) })
    return route.continue()
  })
  await page.locator('.page-tab.active .page-tab-close').click()
  await page.getByRole('button', { name: '关闭标签', exact: true }).click()
  await page.getByRole('button', { name: '保存并离开', exact: true }).click()
  await expect(page.locator('.se-toast.warn').filter({ hasText: '模拟保存失败' })).toBeVisible()
  await expect(page.locator('.se-shell')).toBeVisible(); expect((await diagnostics(page)).dirty).toBe(true)
  await expect(page.locator('.page-tab-link').filter({ hasText: '数字场景编辑' })).toBeVisible()
  await shot(page, info, '44-cache-close-save-failure')
  evidence('viewport-cache-close', { status: 'PASS', kind: '真实UI缓存/关闭+浏览器模拟503拒绝写入', projectId: copy.project.id, featureIds: ['lifecycle.cache'], screenshot: '44-cache-close-save-failure', originalDraftPreserved: true })
})