name: Code Quality Checks

on:
  pull_request: { }
  push:
    branches: [ main, develop ]

# Enrich gradle.properties for CI/CD
env:
  CI_GRADLE_ARG_PROPERTIES: >
    -Porg.gradle.jvmargs=-Xmx4g
    -Porg.gradle.parallel=false
    --no-daemon

jobs:
  check:
    name: Project Check Suite
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Run code quality check suite
        run: ./tools/check/check_code_quality.sh

  # Knit for all the modules (https://github.com/Kotlin/kotlinx-knit)
  knit:
    name: Knit
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Run knit
        run: |
          ./gradlew knit

  # ktlint for all the modules
  ktlint:
    name: Kotlin Linter
    runs-on: ubuntu-latest
    # Allow all jobs on main and develop. Just one per PR.
    concurrency:
      group: ${{ github.ref == 'refs/heads/main' && format('ktlint-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('ktlint-develop-{0}', github.sha) || format('ktlint-{0}', github.ref) }}
      cancel-in-progress: true
    steps:
      - uses: actions/checkout@v3
      - name: Run ktlint
        run: |
          ./gradlew ktlintCheck --continue
      - name: Upload reports
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: ktlinting-report
          path: |
            */build/reports/ktlint/ktlint*/ktlint*.txt
      - name: Handle Results
        if: always()
        id: ktlint-results
        run: |
          results="$(cat */*/build/reports/ktlint/ktlint*/ktlint*.txt */build/reports/ktlint/ktlint*/ktlint*.txt | sed -r "s/\x1B\[([0-9]{1,3}(;[0-9]{1,2})?)?[mGK]//g")"
          if [ -z  "$results" ]; then
            echo "::set-output name=add_comment::false"
          else
            body="👎\`Failed${results}\`"
            body="${body//'%'/'%25'}"
            body="${body//$'\n'/'%0A'}"
            body="${body//$'\r'/'%0D'}"
            body="$( echo $body | sed 's/\/home\/runner\/work\/element-android\/element-android\//\`<br\/>\`/g')"
            body="$( echo $body | sed 's/\/src\/main\/java\// 🔸 /g')"
            body="$( echo $body | sed 's/im\/vector\/app\///g')"
            body="$( echo $body | sed 's/im\/vector\/lib\/attachmentviewer\///g')"
            body="$( echo $body | sed 's/im\/vector\/lib\/multipicker\///g')"
            body="$( echo $body | sed 's/im\/vector\/lib\///g')"
            body="$( echo $body | sed 's/org\/matrix\/android\/sdk\///g')"
            body="$( echo $body | sed 's/\/src\/androidTest\/java\// 🔸 /g')"
            echo "::set-output name=add_comment::true"
            echo "::set-output name=body::$body"
          fi
      - name: Find Comment
        if: always() && github.event_name == 'pull_request'
        uses: peter-evans/find-comment@v2
        id: fc
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: Ktlint Results
      - name: Add comment if needed
        if: always() && github.event_name == 'pull_request' && steps.ktlint-results.outputs.add_comment == 'true'
        uses: peter-evans/create-or-update-comment@v2
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body: |
            ### Ktlint Results

            ${{ steps.ktlint-results.outputs.body }}
          edit-mode: replace
      - name: Delete comment if needed
        if: always() && github.event_name == 'pull_request' && steps.fc.outputs.comment-id != '' && steps.ktlint-results.outputs.add_comment == 'false'
        uses: actions/github-script@v3
        with:
          script: |
            github.issues.deleteComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: ${{ steps.fc.outputs.comment-id }}
            })

  # Gradle dependency analysis using https://github.com/autonomousapps/dependency-analysis-android-gradle-plugin
  dependency-analysis:
    name: Dependency analysis
    runs-on: ubuntu-latest
    # Allow all jobs on main and develop. Just one per PR.
    concurrency:
      group: ${{ github.ref == 'refs/heads/main' && format('dep-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('dep-develop-{0}', github.sha) || format('dep-{0}', github.ref) }}
      cancel-in-progress: true
    steps:
      - uses: actions/checkout@v3
      - name: Dependency analysis
        run: ./gradlew dependencyCheckAnalyze $CI_GRADLE_ARG_PROPERTIES
      - name: Upload dependency analysis
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: dependency-analysis
          path: build/reports/dependency-check-report.html

  # Lint for main module
  android-lint:
    name: Android Linter
    runs-on: ubuntu-latest
    # Allow all jobs on main and develop. Just one per PR.
    concurrency:
      group: ${{ github.ref == 'refs/heads/main' && format('android-lint-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('android-lint-develop-{0}', github.sha) || format('android-lint-{0}', github.ref) }}
      cancel-in-progress: true
    steps:
      - uses: actions/checkout@v3
      - uses: actions/cache@v3
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-
      - name: Lint analysis
        run: ./gradlew clean :vector:lint --stacktrace $CI_GRADLE_ARG_PROPERTIES
      - name: Upload reports
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: lint-report
          path: |
            vector/build/reports/*.*

  # Lint for Gplay and Fdroid release APK
  apk-lint:
    name: Lint APK (${{ matrix.target }})
    runs-on: ubuntu-latest
    if: github.ref != 'refs/heads/main'
    strategy:
      fail-fast: false
      matrix:
        target: [ Gplay, Fdroid ]
    # Allow all jobs on develop. Just one per PR.
    concurrency:
      group: ${{ github.ref == 'refs/heads/develop' && format('apk-lint-develop-{0}-{1}', matrix.target, github.sha) || format('apk-lint-{0}-{1}', matrix.target, github.ref) }}
      cancel-in-progress: true
    steps:
      - uses: actions/checkout@v3
      - uses: actions/cache@v3
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-
      - name: Lint ${{ matrix.target }} release
        run: ./gradlew clean lint${{ matrix.target }}Release --stacktrace $CI_GRADLE_ARG_PROPERTIES
      - name: Upload ${{ matrix.target }} linting report
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: release-lint-report-${{ matrix.target }}
          path: |
            vector/build/reports/*.*

  detekt:
    name: Detekt Analysis
    runs-on: ubuntu-latest
    # Allow all jobs on main and develop. Just one per PR.
    concurrency:
      group: ${{ github.ref == 'refs/heads/main' && format('detekt-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('detekt-develop-{0}', github.sha) || format('detekt-{0}', github.ref) }}
      cancel-in-progress: true
    steps:
      - uses: actions/checkout@v3
      - name: Run detekt
        run: |
          ./gradlew detekt $CI_GRADLE_ARG_PROPERTIES
      - name: Upload reports
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: detekt-report
          path: |
            */build/reports/detekt/detekt.html

  towncrier:
    name: Towncrier check
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' && github.head_ref == 'develop'
    steps:
      - uses: actions/checkout@v3
      - name: Set up Python 3.8
        uses: actions/setup-python@v4
        with:
          python-version: 3.8
      - name: Install towncrier
        run: |
          python3 -m pip install towncrier
      - name: Run towncrier
        # Fetch the pull request' base branch so towncrier will be able to
        # compare the current branch with the base branch.
        # Source: https://github.com/actions/checkout/#fetch-all-branches.
        run: |
          git fetch --no-tags origin +refs/heads/${BASE_BRANCH}:refs/remotes/origin/${BASE_BRANCH}
          towncrier check --compare-with origin/${BASE_BRANCH}
      env:
        BASE_BRANCH: ${{ github.base_ref }}