name: CI/CD

on:
  pull_request:
    branches:
      - master
    types:
      - closed

jobs:
  build-deploy:
    runs-on: act_runner_java
    if: ${{ github.event.pull_request.merged == true }}
    steps:
      - name: Set up environment
        run: |
          echo "PR #${{ github.event.number }} merged into master"
          echo "Source branch: ${{ github.event.pull_request.head.ref }}"
          echo "Target branch: ${{ github.event.pull_request.base.ref }}"
      - name: Run tests
        run: |
          echo "Running test suite..."
      - name: Build project
        run: |
          mvn -B -DskipTests clean package source:jar javadoc:jar
      - name: Deploy
        if: success()
        run: |
          if [ -z "${{ secrets.NEXUS_USERNAME }}" ] || [ -z "${{ secrets.NEXUS_PASSWORD }}" ]; then
            echo "Missing secrets.NEXUS_USERNAME or secrets.NEXUS_PASSWORD"
            exit 1
          fi
          mkdir -p ~/.m2
          cat > ~/.m2/settings.xml <<EOF
          <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
            <servers>
              <server>
                <id>timi-nexus</id>
                <username>${{ secrets.NEXUS_USERNAME }}</username>
                <password>${{ secrets.NEXUS_PASSWORD }}</password>
              </server>
            </servers>
          </settings>
          EOF
          version=$(mvn -q -DforceStdout help:evaluate -Dexpression=project.version)
          artifact_id=$(mvn -q -DforceStdout help:evaluate -Dexpression=project.artifactId)
          main_jar="target/${artifact_id}-${version}.jar"
          sources_jar="target/${artifact_id}-${version}-sources.jar"
          javadoc_jar="target/${artifact_id}-${version}-javadoc.jar"
          if [ ! -f "$main_jar" ] || [ ! -f "$sources_jar" ] || [ ! -f "$javadoc_jar" ]; then
            echo "Missing build artifacts in target"
            exit 1
          fi
          mvn -B deploy:deploy-file \
            -Dfile="$main_jar" \
            -Dsources="$sources_jar" \
            -Djavadoc="$javadoc_jar" \
            -DpomFile="./pom.xml" \
            -Durl="https://nexus.imyeyu.com/repository/maven-releases/" \
            -DrepositoryId="timi-nexus"
      - name: Upload jar artifact
        if: success()
        uses: actions/upload-artifact@v3
        with:
          name: build-jar
          path: target/*.jar
          if-no-files-found: error
  create-release:
    runs-on: act_runner_base
    needs: build-deploy
    if: ${{ success() && github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'master' && startsWith(github.event.pull_request.title, 'v') }}
    steps:
      - name: Download jar artifact
        uses: actions/download-artifact@v3
        with:
          name: build-jar
          path: dist
      - name: Create release
        env:
          GITEA_TOKEN: ${{ secrets.RUNNER_TOKEN }}
          GITEA_SERVER_URL: ${{ github.server_url }}
          GITEA_REPOSITORY: ${{ github.repository }}
          RELEASE_TAG: ${{ github.event.pull_request.title }}
          RELEASE_TARGET: ${{ github.sha }}
        run: |
          if [ -z "$GITEA_TOKEN" ]; then
            echo "Missing secrets.RUNNER_TOKEN"
            exit 1
          fi
          api_url="$GITEA_SERVER_URL/api/v1/repos/$GITEA_REPOSITORY/releases"
          payload=$(cat <<EOF
          {
            "tag_name": "$RELEASE_TAG",
            "name": "$RELEASE_TAG",
            "target_commitish": "$RELEASE_TARGET",
            "draft": false,
            "prerelease": false
          }
          EOF
          )
          response=$(curl -sS -X POST "$api_url" \
            -H "Authorization: token $GITEA_TOKEN" \
            -H "Content-Type: application/json" \
            -d "$payload")
          release_id=$(echo "$response" | sed -n 's/.*"id":[ ]*\\([0-9][0-9]*\\).*/\\1/p' | head -n 1)
          if [ -z "$release_id" ]; then
            echo "Create release failed: $response"
            exit 1
          fi
          if ! ls dist/*.jar >/dev/null 2>&1; then
            echo "Missing jar artifact in dist"
            exit 1
          fi
          for asset_path in dist/*.jar; do
            asset_name=$(basename "$asset_path")
            curl -sS -X POST "$api_url/$release_id/assets?name=$asset_name" \
              -H "Authorization: token $GITEA_TOKEN" \
              -H "Content-Type: application/octet-stream" \
              --data-binary @"$asset_path"
          done