# SPDX-License-Identifier: GPL-3.0-or-later
name: Release

on:
  workflow_dispatch:
    inputs:
      tag:
        description: "Release tag to create (e.g. v0.1.0)"
        required: true
        type: string
      prerelease:
        description: "Mark this GitHub release as a pre-release"
        required: false
        type: boolean
        default: true

# Needed to create the tag, the GitHub release, and upload its assets.
permissions:
  contents: write

env:
  ANDROID_PLATFORM: "platforms;android-37.0"
  ANDROID_BUILD_TOOLS: "build-tools;37.0.0"

jobs:
  release:
    name: Build APK and publish release
    runs-on: ubuntu-latest
    steps:
      - name: Check out source
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

      - name: Set up JDK 21
        uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520 # v5.4.0
        with:
          distribution: temurin
          java-version: "21"

      - name: Set up Android SDK
        uses: android-actions/setup-android@40fd30fb8d7440372e1316f5d1809ec01dcd3699 # v4.0.1

      - name: Install SDK platform and build-tools
        run: sdkmanager "$ANDROID_PLATFORM" "$ANDROID_BUILD_TOOLS"

      - name: Set up Gradle
        uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0

      # No release keystore is configured in CI, so the build falls back to the debug
      # signing key (installable for testing, not for store publication).
      - name: Assemble release APK
        run: ./gradlew assembleRelease --stacktrace

      - name: Stage release artifacts (APK + source archives)
        run: |
          set -euo pipefail
          tag='${{ inputs.tag }}'
          mkdir -p dist
          apk="$(find app/build/outputs/apk/release -name '*.apk' -print -quit)"
          cp "$apk" "dist/LibreMail-${tag}.apk"
          # Source archives contain only git-tracked files at the released commit.
          git archive --format=zip --prefix="LibreMail-${tag}/" -o "dist/LibreMail-${tag}-src.zip" HEAD
          git archive --format=tar --prefix="LibreMail-${tag}/" HEAD | gzip > "dist/LibreMail-${tag}-src.tar.gz"
          ls -l dist

      - name: Create GitHub release
        uses: softprops/action-gh-release@718ea10b132b3b2eba29c1007bb80653f286566b # v3.0.1
        with:
          tag_name: ${{ inputs.tag }}
          name: ${{ inputs.tag }}
          target_commitish: ${{ github.sha }}
          prerelease: ${{ inputs.prerelease }}
          generate_release_notes: true
          fail_on_unmatched_files: true
          files: |
            dist/LibreMail-${{ inputs.tag }}.apk
            dist/LibreMail-${{ inputs.tag }}-src.zip
            dist/LibreMail-${{ inputs.tag }}-src.tar.gz