ci.yml

name: CI

on:
  push:
    branches: [ "master" ]
  pull_request:
    types: [ opened, synchronize, reopened, ready_for_review ]

  workflow_dispatch:

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

env:
  TERM: xterm-256color
  FORCE_COLOR: 1

jobs:
  build:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: read

    outputs:
      artifact-url: ${{ steps.upload-apk.outputs.artifact-url }}

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Setup Java
        uses: actions/setup-java@v6
        with:
          java-version: '17'
          distribution: 'temurin'

      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@v6

      - name: Decode google-services.json
        run: |
          set -euo pipefail
          if [ -z "${GOOGLE_SERVICES_JSON_BASE64:-}" ]; then
            echo "GOOGLE_SERVICES_JSON_BASE64 is empty; using checked-in placeholder."
            exit 0
          fi
          mkdir -p app/src/debug
          printf '%s' "$GOOGLE_SERVICES_JSON_BASE64" | base64 -d > app/src/debug/google-services.json
        env:
          GOOGLE_SERVICES_JSON_BASE64: ${{ secrets.GOOGLE_SERVICES_JSON_BASE64 }}

      - name: Build debug app
        id: build
        env:
          GITHUB_ACTOR: ${{ github.actor }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CHATWOOT_API: ${{ secrets.CHATWOOT_API }}
        run: ./gradlew assembleDevDebug

      - name: Run tests
        run: ./gradlew testDevDebugUnitTest

      - name: Upload test report
        if: always() && steps.build.outcome == 'success'
        uses: actions/upload-artifact@v7
        with:
          name: unit_test_report_${{ github.run_number }}
          path: app/build/reports/tests/testDevDebugUnitTest/
          retention-days: 30

      - name: Upload APK
        id: upload-apk
        uses: actions/upload-artifact@v7
        with:
          name: bitkit-dev-debug-apk_${{ github.run_number }}
          path: app/build/outputs/bitkit/devDebug/bitkit-dev-debug-*-universal.apk
          retention-days: 30
          if-no-files-found: error

  apk-comment:
    needs: build
    if: needs.build.outputs.artifact-url != '' && github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork == false
    runs-on: ubuntu-latest

    permissions:
      pull-requests: write

    steps:
      - name: Comment APK link on PR
        uses: actions/github-script@v8
        env:
          ARTIFACT_URL: ${{ needs.build.outputs.artifact-url }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        with:
          script: |
            const marker = '<!-- bitkit-dev-debug-apk -->';
            const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
            const body = [
              marker,
              '### Regtest APK',
              '',
              `Built from ${process.env.HEAD_SHA} ([run](${runUrl})).`,
              '',
              `[Download bitkit-dev-debug universal APK](${process.env.ARTIFACT_URL}) (expires in 30 days).`,
            ].join('\n');
            const comments = await github.paginate(github.rest.issues.listComments, {
              ...context.repo,
              issue_number: context.issue.number,
              per_page: 100,
            });
            const existing = comments.find((c) => c.body?.includes(marker));
            if (existing) {
              await github.rest.issues.updateComment({ ...context.repo, comment_id: existing.id, body });
            } else {
              await github.rest.issues.createComment({ ...context.repo, issue_number: context.issue.number, body });
            }