#  Copyright 2021 Collate
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#  http://www.apache.org/licenses/LICENSE-2.0
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

name: UI Checkstyle

on:
  merge_group:
  # Note: paths filter removed — the workflow always triggers so that the
  # required status check (report) always completes. Path filtering is handled
  # inside the workflow via dorny/paths-filter so PRs without UI changes skip
  # the expensive jobs while still reporting a passing status.
  pull_request_target:
    types:
      - opened
      - synchronize
      - reopened
      - ready_for_review
      - labeled

permissions:
  contents: read

concurrency:
  group: ui-checkstyle-${{ github.head_ref || github.run_id }}
  cancel-in-progress: ${{ github.event_name != 'pull_request_target' || github.event.action != 'labeled' || github.event.label.name == 'safe to test' }}

env:
  UI_WORKING_DIRECTORY: openmetadata-ui/src/main/resources/ui
  CORE_COMPONENTS_WORKING_DIRECTORY: openmetadata-ui-core-components/src/main/resources/ui

jobs:
  check-changes:
    runs-on: ubuntu-latest
    outputs:
      ui-changed: ${{ steps.filter.outputs.ui }}
    steps:
      - uses: dorny/paths-filter@v4
        id: filter
        with:
          filters: |
            ui:
              - 'openmetadata-ui/src/main/resources/ui/**'
              - 'openmetadata-spec/src/main/resources/json/schema/**'
              - '.github/workflows/ui-checkstyle.yml'
              - 'openmetadata-ui-core-components/src/main/resources/ui/**'

  authorize:
    needs: check-changes
    if: |
      github.event_name == 'merge_group' ||
      (github.event_name == 'pull_request_target' && needs.check-changes.outputs.ui-changed == 'true' &&
      (github.event.action != 'labeled' || github.event.label.name == 'safe to test'))
    runs-on: ubuntu-latest
    steps:
      - name: Wait for the labeler
        uses: lewagon/wait-on-check-action@v1.7.0
        if: ${{ github.event_name == 'pull_request_target' }}
        with:
          ref: ${{ github.event_name == 'merge_group' && github.sha || github.event.pull_request.head.sha }}
          check-name: Team Label
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          wait-interval: 90

      - name: Verify PR labels
        uses: jesusvasquez333/verify-pr-label-action@v1.4.0
        if: ${{ github.event_name == 'pull_request_target' }}
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
          valid-labels: "safe to test"
          pull-request-number: "${{ github.event.pull_request.number }}"
          disable-reviews: true

  checkstyle:
    needs: authorize
    runs-on: ubuntu-latest
    permissions:
      contents: read
    outputs:
      lint_src_result: ${{ steps.lint_src.outcome }}
      lint_src_changed_files: ${{ steps.lint_src.outputs.changed_files }}
      license_result: ${{ steps.license.outcome }}
      license_changed_files: ${{ steps.license.outputs.changed_files }}
      i18n_result: ${{ steps.i18n.outcome }}
      i18n_changed_files: ${{ steps.i18n.outputs.changed_files }}
      app_docs_result: ${{ steps.app_docs.outcome }}
      app_docs_changed_files: ${{ steps.app_docs.outputs.changed_files }}
      lint_playwright_result: ${{ steps.lint_playwright.outcome }}
      lint_playwright_changed_files: ${{ steps.lint_playwright.outputs.changed_files }}
      lint_core_components_result: ${{ steps.lint_core_components.outcome }}
      lint_core_components_changed_files: ${{ steps.lint_core_components.outputs.changed_files }}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event_name == 'merge_group' && github.sha || github.event.pull_request.head.sha }}
          fetch-depth: 0
          filter: blob:none

      - uses: actions/setup-node@v4
        with:
          node-version-file: "${{ env.UI_WORKING_DIRECTORY }}/.nvmrc"
          cache: yarn
          cache-dependency-path: |
            ${{ env.UI_WORKING_DIRECTORY }}/yarn.lock
            ${{ env.CORE_COMPONENTS_WORKING_DIRECTORY }}/yarn.lock

      - name: Install Antlr4 CLI
        run: sudo make install_antlr_cli

      - name: Install UI Yarn Packages
        working-directory: ${{ env.UI_WORKING_DIRECTORY }}
        run: yarn install --frozen-lockfile

      - name: Get changed src files
        id: changed-src-files
        uses: tj-actions/changed-files@22103cc46bda19c2b464ffe86db46df6922fd323
        with:
          path: ${{ env.UI_WORKING_DIRECTORY }}
          files_ignore: |
            src/generated/**
          files: |
            src/**/*.{ts,tsx,js,jsx,json}

      - name: ESLint + Prettier + Organise Imports (src)
        id: lint_src
        if: steps.changed-src-files.outputs.any_changed == 'true'
        continue-on-error: true
        working-directory: ${{ env.UI_WORKING_DIRECTORY }}
        env:
          CHANGED_FILES: ${{ steps.changed-src-files.outputs.all_changed_files }}
        run: |
          if [ -z "$CHANGED_FILES" ]; then
            echo "No added or modified files to process."
            exit 0
          fi
          TS_FILES=$(echo "$CHANGED_FILES" | tr ' ' '\n' | awk '/\.(ts|tsx|js|jsx)$/ { printf "%s ", $0 }')
          if [ -n "$TS_FILES" ]; then
            yarn organize-imports:cli $TS_FILES
          fi
          yarn lint:base --fix $CHANGED_FILES
          yarn pretty:base --write $CHANGED_FILES
          if [ -n "$(git status --porcelain)" ]; then
            FILES=$(git status --porcelain | awk '{print "  - `" $2 "`"}' | head -30)
            echo "changed_files<<EOF" >> "$GITHUB_OUTPUT"
            echo "$FILES" >> "$GITHUB_OUTPUT"
            echo "EOF" >> "$GITHUB_OUTPUT"
            git checkout -- .
            git clean -fd
            exit 1
          fi

      - name: Get all changed UI files
        id: changed-ui-files
        uses: tj-actions/changed-files@22103cc46bda19c2b464ffe86db46df6922fd323
        with:
          path: ${{ env.UI_WORKING_DIRECTORY }}

      - name: Licence Header Check
        id: license
        if: steps.changed-ui-files.outputs.any_changed == 'true'
        continue-on-error: true
        working-directory: ${{ env.UI_WORKING_DIRECTORY }}
        env:
          CHANGED_FILES_ALL: ${{ steps.changed-ui-files.outputs.all_changed_files }}
        run: |
          if [ -z "$CHANGED_FILES_ALL" ]; then
            echo "No added or modified files to process."
            exit 0
          fi
          yarn license-header-fix $CHANGED_FILES_ALL
          if [ -n "$(git status --porcelain)" ]; then
            FILES=$(git status --porcelain | awk '{print "  - `" $2 "`"}' | head -30)
            echo "changed_files<<EOF" >> "$GITHUB_OUTPUT"
            echo "$FILES" >> "$GITHUB_OUTPUT"
            echo "EOF" >> "$GITHUB_OUTPUT"
            git checkout -- .
            git clean -fd
            exit 1
          fi

      - name: I18n Sync
        id: i18n
        continue-on-error: true
        working-directory: ${{ env.UI_WORKING_DIRECTORY }}
        run: |
          yarn i18n
          if [ -n "$(git status --porcelain)" ]; then
            FILES=$(git status --porcelain | awk '{print "  - `" $2 "`"}' | head -20)
            echo "changed_files<<EOF" >> "$GITHUB_OUTPUT"
            echo "$FILES" >> "$GITHUB_OUTPUT"
            echo "EOF" >> "$GITHUB_OUTPUT"
            git checkout -- .
            git clean -fd
            exit 1
          fi

      - name: generate:app-docs
        id: app_docs
        continue-on-error: true
        working-directory: ${{ env.UI_WORKING_DIRECTORY }}
        run: |
          yarn generate:app-docs
          if [ -n "$(git status --porcelain)" ]; then
            FILES=$(git status --porcelain | awk '{print "  - `" $2 "`"}' | head -20)
            echo "changed_files<<EOF" >> "$GITHUB_OUTPUT"
            echo "$FILES" >> "$GITHUB_OUTPUT"
            echo "EOF" >> "$GITHUB_OUTPUT"
            git checkout -- .
            git clean -fd
            exit 1
          fi

      - name: Get changed Playwright files
        id: changed-playwright-files
        uses: tj-actions/changed-files@22103cc46bda19c2b464ffe86db46df6922fd323
        with:
          path: ${{ env.UI_WORKING_DIRECTORY }}
          files_ignore: |
            playwright/test-data/**
          files: |
            playwright/**/*.{ts,tsx,js,jsx}

      - name: ESLint + Prettier + Organise Imports (playwright)
        id: lint_playwright
        if: steps.changed-playwright-files.outputs.any_changed == 'true'
        continue-on-error: true
        working-directory: ${{ env.UI_WORKING_DIRECTORY }}
        env:
          CHANGED_FILES: ${{ steps.changed-playwright-files.outputs.all_changed_files }}
        run: |
          if [ -z "$CHANGED_FILES" ]; then
            echo "No added or modified files to process."
            exit 0
          fi
          yarn organize-imports:cli $CHANGED_FILES
          yarn lint:base --fix $CHANGED_FILES
          yarn pretty:base --write $CHANGED_FILES
          if [ -n "$(git status --porcelain)" ]; then
            FILES=$(git status --porcelain | awk '{print "  - `" $2 "`"}' | head -30)
            echo "changed_files<<EOF" >> "$GITHUB_OUTPUT"
            echo "$FILES" >> "$GITHUB_OUTPUT"
            echo "EOF" >> "$GITHUB_OUTPUT"
            git checkout -- .
            git clean -fd
            exit 1
          fi

      - name: Install Core Components Yarn Packages
        working-directory: ${{ env.CORE_COMPONENTS_WORKING_DIRECTORY }}
        run: yarn install --frozen-lockfile

      - name: Get changed core-components files
        id: changed-core-components-files
        uses: tj-actions/changed-files@22103cc46bda19c2b464ffe86db46df6922fd323
        with:
          path: ${{ env.CORE_COMPONENTS_WORKING_DIRECTORY }}
          files: |
            src/**/*.{ts,tsx,js,jsx,json}

      - name: ESLint + Prettier (core-components)
        id: lint_core_components
        if: steps.changed-core-components-files.outputs.any_changed == 'true'
        continue-on-error: true
        working-directory: ${{ env.CORE_COMPONENTS_WORKING_DIRECTORY }}
        env:
          CHANGED_FILES: ${{ steps.changed-core-components-files.outputs.all_changed_files }}
        run: |
          if [ -z "${CHANGED_FILES// }" ]; then
            echo "No added or modified files to process."
            exit 0
          fi
          yarn lint:base --fix $CHANGED_FILES
          yarn pretty:base --write $CHANGED_FILES
          if [ -n "$(git status --porcelain)" ]; then
            FILES=$(git status --porcelain | awk '{print "  - `" $2 "`"}' | head -30)
            echo "changed_files<<EOF" >> "$GITHUB_OUTPUT"
            echo "$FILES" >> "$GITHUB_OUTPUT"
            echo "EOF" >> "$GITHUB_OUTPUT"
            git checkout -- .
            git clean -fd
            exit 1
          fi

  ui-checkstyle:
    needs: [authorize, checkstyle]
    if: always()
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - name: Find existing summary comment
        uses: peter-evans/find-comment@v3
        id: fc
        if: ${{ github.event_name == 'pull_request_target' }}
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: github-actions[bot]
          body-includes: '<!-- check:ui-checkstyle-summary -->'

      - name: Post or update summary comment
        uses: actions/github-script@v7
        if: ${{ github.event_name == 'pull_request_target' }}
        with:
          script: |
            const checks = [
              {
                name:    'ESLint + Prettier + Organise Imports (src)',
                reason:  'One or more source files have linting or formatting issues.',
                result:  '${{ needs.checkstyle.outputs.lint_src_result }}',
                files:   ${{ toJSON(needs.checkstyle.outputs.lint_src_changed_files) }} || '',
              },
              {
                name:    'Licence Header',
                reason:  'One or more files are missing or have an outdated Apache 2.0 licence header.',
                result:  '${{ needs.checkstyle.outputs.license_result }}',
                files:   ${{ toJSON(needs.checkstyle.outputs.license_changed_files) }} || '',
              },
              {
                name:    'I18n Sync',
                reason:  'Translation locale files are out of sync with `en-us.json`.',
                result:  '${{ needs.checkstyle.outputs.i18n_result }}',
                files:   ${{ toJSON(needs.checkstyle.outputs.i18n_changed_files) }} || '',
              },
              {
                name:    'App Docs',
                reason:  'Generated application docs are stale and need to be regenerated.',
                result:  '${{ needs.checkstyle.outputs.app_docs_result }}',
                files:   ${{ toJSON(needs.checkstyle.outputs.app_docs_changed_files) }} || '',
              },
              {
                name:    'Playwright - ESLint + Prettier + Organise Imports',
                reason:  'One or more Playwright test files have linting or formatting issues.',
                result:  '${{ needs.checkstyle.outputs.lint_playwright_result }}',
                files:   ${{ toJSON(needs.checkstyle.outputs.lint_playwright_changed_files) }} || '',
              },
              {
                name:    'Core Components - ESLint + Prettier',
                reason:  'One or more core-component files have linting or formatting issues.',
                result:  '${{ needs.checkstyle.outputs.lint_core_components_result }}',
                files:   ${{ toJSON(needs.checkstyle.outputs.lint_core_components_changed_files) }} || '',
              },
            ];

            const failures = checks.filter(c => c.result === 'failure');
            const commentId = '${{ steps.fc.outputs.comment-id }}';

            if (failures.length === 0) {
              if (commentId) {
                await github.rest.issues.deleteComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  comment_id: parseInt(commentId, 10),
                });
              }
              return;
            }

            const sections = failures.map(c => {
              const lines = [`#### ❌ ${c.name}`, c.reason];
              if (c.files && c.files.trim()) {
                lines.push('', '<details><summary>Affected files</summary>', '', c.files.trim(), '', '</details>');
              }
              return lines.join('\n');
            });

            const body = [
              '<!-- check:ui-checkstyle-summary -->',
              '### ❌ UI Checkstyle Failed',
              '',
              ...sections.flatMap(s => [s, '']),
              '---',
              '**Fix locally (fast - only checks files changed in this branch):**',
              '```bash',
              'make ui-checkstyle-changed',
              '```',
            ].join('\n');

            if (commentId) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: parseInt(commentId, 10),
                body,
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body,
              });
            }

      - name: Check final results
        if: always()
        run: |
          checkstyle_result="${{ needs.checkstyle.result }}"
          if [[ "$checkstyle_result" != "success" && "$checkstyle_result" != "skipped" ]]; then
            echo "Checkstyle job ended with status: $checkstyle_result"
            exit 1
          fi
          if [ "${{ needs.checkstyle.outputs.lint_src_result }}" = 'failure' ] || \
             [ "${{ needs.checkstyle.outputs.license_result }}" = 'failure' ] || \
             [ "${{ needs.checkstyle.outputs.i18n_result }}" = 'failure' ] || \
             [ "${{ needs.checkstyle.outputs.app_docs_result }}" = 'failure' ] || \
             [ "${{ needs.checkstyle.outputs.lint_playwright_result }}" = 'failure' ] || \
             [ "${{ needs.checkstyle.outputs.lint_core_components_result }}" = 'failure' ]; then
            echo "One or more checks failed."
            exit 1
          fi
          echo "All checks passed or were not required for this PR."