name: Playwright E2E Tests

on:
  pull_request:
  workflow_dispatch:
    inputs:
      reason:
        description: 'Reason for manual trigger'
        required: false
        default: 'Manual e2e run'

permissions:
  contents: read

concurrency:
  group: playwright-mock-${{ github.ref }}
  cancel-in-progress: true

env:
  NODE_OPTIONS: '--max-old-space-size=${{ secrets.NODE_MAX_OLD_SPACE_SIZE || 6144 }}'
  PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: '1'

jobs:
  e2e:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    env:
      E2E_CHROMIUM_CHANNEL: chrome
    steps:
      - uses: actions/checkout@v4

      - name: Use Node.js 24.16.0
        uses: actions/setup-node@v4
        with:
          node-version: '24.16.0'

      - name: Restore node_modules cache
        id: cache-node-modules
        uses: actions/cache@v4
        with:
          path: |
            node_modules
            client/node_modules
            packages/client/node_modules
            packages/data-provider/node_modules
            packages/data-schemas/node_modules
            packages/api/node_modules
            api/node_modules
          key: node-modules-e2e-${{ runner.os }}-24.16.0-${{ hashFiles('package-lock.json') }}

      - name: Install dependencies
        if: steps.cache-node-modules.outputs.cache-hit != 'true'
        run: npm ci

      - name: Restore data-provider build cache
        id: cache-data-provider
        uses: actions/cache@v4
        with:
          path: packages/data-provider/dist
          key: build-data-provider-${{ runner.os }}-${{ hashFiles('package-lock.json', 'packages/data-provider/src/**', 'packages/data-provider/tsconfig*.json', 'packages/data-provider/tsdown.config.mjs', 'packages/data-provider/package.json') }}

      - name: Build data-provider
        if: steps.cache-data-provider.outputs.cache-hit != 'true'
        run: npm run build:data-provider

      - name: Restore data-schemas build cache
        id: cache-data-schemas
        uses: actions/cache@v4
        with:
          path: packages/data-schemas/dist
          key: build-data-schemas-${{ runner.os }}-${{ hashFiles('package-lock.json', 'packages/data-schemas/src/**', 'packages/data-schemas/tsconfig*.json', 'packages/data-schemas/tsdown.config.mjs', 'packages/data-schemas/package.json', 'packages/data-provider/src/**', 'packages/data-provider/tsconfig*.json', 'packages/data-provider/tsdown.config.mjs', 'packages/data-provider/package.json') }}

      - name: Build data-schemas
        if: steps.cache-data-schemas.outputs.cache-hit != 'true'
        run: npm run build:data-schemas

      - name: Restore api build cache
        id: cache-api
        uses: actions/cache@v4
        with:
          path: packages/api/dist
          key: build-api-${{ runner.os }}-${{ hashFiles('package-lock.json', 'packages/api/src/**', 'packages/api/tsconfig*.json', 'packages/api/tsdown.config.mjs', 'packages/api/package.json', 'packages/data-provider/src/**', 'packages/data-provider/tsconfig*.json', 'packages/data-provider/tsdown.config.mjs', 'packages/data-provider/package.json', 'packages/data-schemas/src/**', 'packages/data-schemas/tsconfig*.json', 'packages/data-schemas/tsdown.config.mjs', 'packages/data-schemas/package.json') }}

      - name: Build api
        if: steps.cache-api.outputs.cache-hit != 'true'
        run: npm run build:api

      - name: Restore client-package build cache
        id: cache-client-package
        uses: actions/cache@v4
        with:
          path: packages/client/dist
          key: build-client-package-${{ runner.os }}-${{ hashFiles('package-lock.json', 'packages/client/src/**', 'packages/client/tsconfig*.json', 'packages/client/tsdown.config.mjs', 'packages/client/package.json', 'packages/data-provider/src/**', 'packages/data-provider/tsconfig*.json', 'packages/data-provider/tsdown.config.mjs', 'packages/data-provider/package.json') }}

      - name: Build client-package
        if: steps.cache-client-package.outputs.cache-hit != 'true'
        run: npm run build:client-package

      - name: Restore client app build cache
        id: cache-client-app
        uses: actions/cache@v4
        with:
          path: client/dist
          key: build-client-app-e2e-${{ runner.os }}-${{ hashFiles('package-lock.json', 'client/src/**', 'client/public/**', 'client/scripts/post-build.cjs', 'client/index.html', 'client/package.json', 'client/vite.config.*', 'client/tsconfig*.json', 'client/tailwind.config.*', 'client/postcss.config.*', 'packages/client/src/**', 'packages/client/tsconfig*.json', 'packages/client/tsdown.config.mjs', 'packages/client/package.json', 'packages/data-provider/src/**', 'packages/data-provider/tsconfig*.json', 'packages/data-provider/tsdown.config.mjs', 'packages/data-provider/package.json') }}

      - name: Build client app
        if: steps.cache-client-app.outputs.cache-hit != 'true'
        run: npm run build:client

      - name: Install Playwright runtime dependencies
        timeout-minutes: 5
        run: |
          google-chrome --version
          npx playwright install-deps chrome

      - name: Run mock-LLM Tier-1 e2e
        run: npx playwright test --config=e2e/playwright.config.mock.ts
        env:
          CI: 'true'

      - name: Upload Playwright HTML report
        if: ${{ !cancelled() }}
        uses: actions/upload-artifact@v4
        with:
          name: playwright-report
          path: e2e/playwright-report/**
          retention-days: 7
          if-no-files-found: ignore

      - name: Upload traces & screenshots
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: playwright-test-results
          path: e2e/specs/.test-results/**
          retention-days: 7
          if-no-files-found: ignore