name: Gitea Branch PR, SonarQube Analyze, and Merge Workflow

on:
  push:
    branches-ignore:
      - main

jobs:
  # Job 1: Check if PR exists and create one if the branch is new
  check-and-create-pr:
    name: Check and Create PR
    runs-on: ubuntu-latest
    outputs:
      pr_created: ${{ steps.cc-pr.outputs.pr_created }}
      pr_number: ${{ steps.cc-pr.outputs.pr_index }}
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: PR Check/Create
        id: cc-pr
        run: |
          echo "Checking for existing PR..."
          pr_check=$(curl ${{ vars.RINOA_GITEA_URL }}/api/v1/repos/${{ github.repository }}/pulls/main/${{ github.ref_name }} \
            -X 'GET' \
            -H 'Accept: application/json' \
            -H 'Authorization: token ${{ secrets.BOT_GITEA_TOKEN }}' \
            -s | jq '{index: .number, state: .state}')
          pr_status=$(echo ${pr_check} | jq -r '.state')
          if [ "${pr_status}" == "open" ]; then
            echo "PR already exists. PR number: $(echo ${pr_check} | jq -r '.index')"
            echo "pr_created=false" >> "$GITHUB_OUTPUT"
            echo "pr_index=$(echo ${pr_check} | jq -r '.index')" >> "$GITHUB_OUTPUT"
          elif [ "${pr_status}" == "closed" ]; then
            echo "PR does not exist. Creating PR..."
            pr_response=$(curl ${{ vars.RINOA_GITEA_URL }}/api/v1/repos/${{ github.repository }}/pulls -s \
              -X 'POST' \
              -H 'Accept: application/json' \
              -H 'Authorization: token ${{ secrets.BOT_GITEA_TOKEN }}' \
              -H 'Content-Type: application/json' \
              -d '{
                "base": "main",
                "head": "'"${{ github.ref_name }}"'",
                "title": "Automated PR for branch '"${{ github.ref_name }}"'",
                "body": "This is an automated PR created for branch '"${{ github.ref_name }}"'."
              }')
            pr_index=$(echo ${pr_response} | jq -r '.number')
            echo "PR created. PR number: ${pr_index}"
            echo "pr_created=true" >> "$GITHUB_OUTPUT"
            echo "pr_index=${pr_index}" >> "$GITHUB_OUTPUT"
          else
            echo "Error checking for existing PR. Exiting..."
            exit 1
          fi

  sonarqube-analysis:
    name: SonarQube Analysis
    runs-on: ubuntu-latest
    needs: check-and-create-pr
    outputs:
      qg_status: ${{ steps.quality-gate.outputs.quality-gate-status }}
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: SonarQube Scan
        uses: sonarsource/sonarqube-scan-action@v4.1.0
        env:
          SONAR_HOST_URL: ${{ secrets.SONARQUBE_HOST }}
          SONAR_TOKEN: ${{ secrets.SONARQUBE_TOKEN }}

      - name: SonarQube Quality Gate
        id: quality-gate
        uses: sonarsource/sonarqube-quality-gate-action@v1.1.0
        env:
          SONAR_HOST_URL: ${{ secrets.SONARQUBE_HOST }}
          SONAR_TOKEN: ${{ secrets.SONARQUBE_TOKEN }}

      - name: Custom Quality Gate Check
        uses: DesarrolloORT/sonarqube-quality-gate-action@v1.0.1
        id: quality-gate-check
        with:
          sonar-project-key: rinoa-docker
          sonar-host-url: ${{ secrets.SONARQUBE_HOST }}
          sonar-token: ${{ secrets.SONARQUBE_TOKEN }}

      - name: JSON clean-up for proccessing...
        id: json-cleanup
        run: |
          echo "Cleaning up quality gate response..."
          echo '${{ steps.quality-gate-check.outputs.quality-gate-result }}' > qg_input.txt
          sed -E 's/([a-zA-Z0-9_]+):/\\"\1\\":/g; s/:([^",{}\[\]]+)/:"\1"/g' qg_input.txt > qg_raw.json
          jq -c '.' qg_raw.json > qg_fixed_json.json
          projstatus=$(jq -r '.projectStatus.status' qg_fixed_json.json)
          caycStatus=$(jq -r '.projectStatus.caycStatus' qg_fixed_json.json)
          conditions=$(jq -c '.projectStatus.conditions' qg_fixed_json.json)
          echo "projstatus=${projstatus}" >> $GITHUB_OUTPUT
          echo "caycStatus=${caycStatus}" >> $GITHUB_OUTPUT
          echo "conditions=${conditions}" >> $GITHUB_OUTPUT

      - name: Convert JSON to Markdown Table
        id: convert-json-to-md
        uses: buildingcash/json-to-markdown-table-action@v1.1.0
        with:
          json: "${{ steps.json-cleanup.outputs.conditions }}"

      - name: Post SonarQube Results as Comment
        env:
          PR_NUMBER: ${{ needs.check-and-create-pr.outputs.pr_number }}
          SQ_RESULTS: ${{ steps.convert-json-to-md.outputs.table }}
          QG_STATUS: ${{ steps.quality-gate.outputs.quality-gate-status }}
          RINOA_GITEA_URL: ${{ vars.RINOA_GITEA_URL }}
          GITHUB_REPOSITORY: ${{ github.repository }}
          BOT_GITEA_TOKEN: ${{ secrets.BOT_GITEA_TOKEN }}
        run: |
          formatted_results=$(echo "${SQ_RESULTS}" | sed 's/\\n/\
          /g')
          payload=$(jq -n \
            --arg body "SonarQube analysis results:
                <br>
                ${{ env.SQ_RESULTS }}" \
            '{ body: $body }')
            
          response=$(curl -s -o response.json -w "%{http_code}" \
            -X POST \
            -H "Accept: application/json" \
            -H "Authorization: token ${BOT_GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            -d "$payload" \
            "${RINOA_GITEA_URL}/api/v1/repos/${GITHUB_REPOSITORY}/pulls/${PR_NUMBER}/reviews")

  dry-run-merge-pr:
    runs-on: ubuntu-latest
    needs: sonarqube-analysis
    if: needs.sonarqube-analysis.outputs.qg_status == 'PASSED'
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
        
      - name: Generate Ephemeral .env for Docker Compose Dry Run
        run: |
          echo "${{ secrets.RINOA_ENV }}" > .env

      - name: Docker Compose Dry Run
        uses: s3i7h/spin-up-docker-compose-action@v1.2
        env:
          DOCKER_HOST: tcp://dockerproxy:2375
        with:
          file: docker-compose.yml
          pull: true
          pull-opts: --dry-run
          up: true
          up-opts: -d --dry-run

      - name: Merge PR
        env:
          PR_INDEX: ${{ needs.check-and-create-pr.outputs.pr_number }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GITEA_USER: "gitea-sonarqube-bot"
          GITEA_SERVER_URL: ${{ vars.RINOA_GITEA_URL }}
          GITEA_SERVER_TOKEN: ${{ secrets.BOT_GITEA_TOKEN }}
          DOCKER_HOST: tcp://dockerproxy:2375
        uses: Frozen-Tapestry/docker-run-action@v6
        with:
          image: tgerczei/tea
          run: tea pr ls
          socket: ${DOCKER_HOST}