name: CI - Test, Publish and Release

on:
  push:
    branches:
      - master

jobs:
  run-tests:
    runs-on: java26
    steps:
      - name: Checkout Code
        run: |
          SERVER_DOMAIN=$(echo "${{ github.server_url }}" | sed 's/https:\/\///')
          rm -rf "$GITHUB_WORKSPACE"/*
          git clone "https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@${SERVER_DOMAIN}/${{ github.repository }}.git" "$GITHUB_WORKSPACE"
          cd "$GITHUB_WORKSPACE"
          git checkout ${{ github.sha }}

      - name: Make gradlew executable
        run: |
          cd "$GITHUB_WORKSPACE"
          chmod +x ./gradlew

      - name: Run JUnit tests
        id: run_tests
        run: |
          cd "$GITHUB_WORKSPACE"
          ./gradlew test --no-daemon --stacktrace

      - name: Upload test reports
        if: always()
        run: |
          cd "$GITHUB_WORKSPACE"
          if [ -d "build/reports/tests/test" ]; then
            echo "Test reports available in build/reports/tests/test"
            ls -la build/reports/tests/test || true
          fi
          if [ -d "build/test-results/test" ]; then
            echo "Test result XMLs:"
            ls -la build/test-results/test || true
          fi

  create-release:
    runs-on: java26
    needs: run-tests
    env:
      API_BASE: ${{ github.server_url }}/api/v1/repos/${{ github.repository }}

    steps:
      - name: Checkout Code
        run: |
          SERVER_DOMAIN=$(echo "${{ github.server_url }}" | sed 's/https:\/\///')
          rm -rf "$GITHUB_WORKSPACE"/*
          git clone "https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@${SERVER_DOMAIN}/${{ github.repository }}.git" "$GITHUB_WORKSPACE"
          cd "$GITHUB_WORKSPACE"
          git checkout ${{ github.sha }}

      - name: Read version from Gradle
        id: get_version
        run: |
          cd "$GITHUB_WORKSPACE"
          chmod +x ./gradlew
          VERSION=$(./gradlew properties | grep "^version:" | awk '{print $2}')
          echo "Found local project version: $VERSION"
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "tag=v$VERSION" >> $GITHUB_OUTPUT

      - name: Build JAR
        run: |
          cd "$GITHUB_WORKSPACE"
          # Tests already ran in the run-tests job, so skip them here.
          ./gradlew jar --no-daemon --stacktrace -x test

      - name: Locate built JAR
        id: find_jar
        run: |
          cd "$GITHUB_WORKSPACE"
          JAR_PATH=$(ls build/libs/*.jar | grep -v -e '-sources.jar' -e '-javadoc.jar' | head -n1)
          if [ -z "$JAR_PATH" ]; then
            echo "No JAR found in build/libs"
            exit 1
          fi
          echo "Found JAR: $JAR_PATH"
          echo "jar_path=$JAR_PATH" >> $GITHUB_OUTPUT
          echo "jar_name=$(basename "$JAR_PATH")" >> $GITHUB_OUTPUT

      - name: Check if tag/release already exists
        id: check_tag
        run: |
          TAG="${{ steps.get_version.outputs.tag }}"
          CHECK_URL="${{ env.API_BASE }}/releases/tags/${TAG}"
          echo "Checking for existing release: $CHECK_URL"

          STATUS=$(curl -o /dev/null -s -w "%{http_code}" \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            "$CHECK_URL")

          if [ "$STATUS" = "200" ]; then
            echo "Release for tag $TAG already exists. Skipping."
            echo "is_new=false" >> $GITHUB_OUTPUT
          else
            echo "No release found for tag $TAG (Status $STATUS). Creating release..."
            echo "is_new=true" >> $GITHUB_OUTPUT
          fi

      - name: Create tag and release on Gitea
        id: create_release
        if: steps.check_tag.outputs.is_new == 'true'
        run: |
          TAG="${{ steps.get_version.outputs.tag }}"
          VERSION="${{ steps.get_version.outputs.version }}"
          CREATE_URL="${{ env.API_BASE }}/releases"
          echo "Creating release $TAG at $CREATE_URL"

          # Gitea creates the tag automatically from target_commitish when it
          # does not yet exist, so a separate tag-creation call is not needed.
          BODY=$(cat <<EOF
          {
            "tag_name": "${TAG}",
            "target_commitish": "${{ github.sha }}",
            "name": "Release ${VERSION}",
            "body": "Automated release for version ${VERSION}.",
            "draft": false,
            "prerelease": false
          }
          EOF
          )

          HTTP_STATUS=$(curl -s -o /tmp/release_response.json -w "%{http_code}" \
            -X POST \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "$BODY" \
            "$CREATE_URL")

          echo "Response ($HTTP_STATUS):"
          cat /tmp/release_response.json

          if [ "$HTTP_STATUS" != "201" ]; then
            echo "Failed to create release (HTTP $HTTP_STATUS)"
            exit 1
          fi

          RELEASE_ID=$(grep -o '"id":[0-9]*' /tmp/release_response.json | head -n1 | cut -d':' -f2)
          if [ -z "$RELEASE_ID" ]; then
            echo "Could not determine release id from response"
            exit 1
          fi
          echo "Release $TAG created successfully (id $RELEASE_ID)."
          echo "release_id=$RELEASE_ID" >> $GITHUB_OUTPUT

      - name: Attach JAR to release
        if: steps.check_tag.outputs.is_new == 'true'
        run: |
          cd "$GITHUB_WORKSPACE"
          JAR_PATH="${{ steps.find_jar.outputs.jar_path }}"
          JAR_NAME="${{ steps.find_jar.outputs.jar_name }}"
          RELEASE_ID="${{ steps.create_release.outputs.release_id }}"
          UPLOAD_URL="${{ env.API_BASE }}/releases/${RELEASE_ID}/assets?name=${JAR_NAME}"
          echo "Uploading $JAR_NAME to $UPLOAD_URL"

          HTTP_STATUS=$(curl -s -o /tmp/asset_response.json -w "%{http_code}" \
            -X POST \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -H "Content-Type: multipart/form-data" \
            -F "attachment=@${JAR_PATH}" \
            "$UPLOAD_URL")

          echo "Response ($HTTP_STATUS):"
          cat /tmp/asset_response.json

          if [ "$HTTP_STATUS" != "201" ]; then
            echo "Failed to upload JAR asset (HTTP $HTTP_STATUS)"
            exit 1
          fi

          echo "JAR $JAR_NAME attached to release successfully."

  check-and-publish:
    runs-on: java26
    needs: create-release
    env:
      MAVEN_REPO_URL: ${{ secrets.MAVEN_REPO_URL }}
      MAVEN_REPO_USER: ${{ secrets.MAVEN_REPO_USER }}
      MAVEN_REPO_PASS: ${{ secrets.MAVEN_REPO_PASS }}

    steps:
      - name: Checkout Code
        run: |
          SERVER_DOMAIN=$(echo "${{ github.server_url }}" | sed 's/https:\/\///')
          rm -rf "$GITHUB_WORKSPACE"/*
          git clone "https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@${SERVER_DOMAIN}/${{ github.repository }}.git" "$GITHUB_WORKSPACE"
          cd "$GITHUB_WORKSPACE"
          git checkout ${{ github.sha }}

      - name: Read version from Gradle
        id: get_version
        run: |
          cd "$GITHUB_WORKSPACE"
          chmod +x ./gradlew
          VERSION=$(./gradlew properties | grep "^version:" | awk '{print $2}')
          echo "Found local project version: $VERSION"
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Check if version exists on repository
        id: check_repo
        run: |
          cd "$GITHUB_WORKSPACE"
          RAW_GROUP=$(./gradlew properties | grep "^group:" | awk '{print $2}')
          GROUP_PATH=$(echo "$RAW_GROUP" | tr '.' '/')
          ARTIFACT_ID=$(./gradlew properties | grep "^name:" | awk '{print $2}')

          LOCAL_VERSION="${{ steps.get_version.outputs.version }}"

          echo "Detected project: $RAW_GROUP:$ARTIFACT_ID:$LOCAL_VERSION"

          CHECK_URL="${{ env.MAVEN_REPO_URL }}/${GROUP_PATH}/${ARTIFACT_ID}/${LOCAL_VERSION}/${ARTIFACT_ID}-${LOCAL_VERSION}.pom"
          echo "Check url: $CHECK_URL"

          STATUS=$(curl -o /dev/null -s -w "%{http_code}" -u "${{ env.MAVEN_REPO_USER }}:${{ env.MAVEN_REPO_PASS }}" "$CHECK_URL")
          if [ "$STATUS" = "200" ]; then
            echo "Version $LOCAL_VERSION already exists in repository. Skipping publishing."
            echo "is_new=false" >> $GITHUB_OUTPUT
          else
            echo "Version $LOCAL_VERSION not found (Status $STATUS). Start deployment..."
            echo "is_new=true" >> $GITHUB_OUTPUT
          fi

      - name: Push to Maven Repository
        if: steps.check_repo.outputs.is_new == 'true'
        run: |
          cd "$GITHUB_WORKSPACE"
          echo "Publishing version ${{ steps.get_version.outputs.version }} zu Repository..."
          ./gradlew publish