name: Gitea Branch PR & Docker Deployment

on:
  workflow_dispatch:
  push:
    branches-ignore:
      - 'main'
    paths:
      - 'docker-compose.misc.yml'
      - 'compose/docker-compose*.yml'
      - '**/pr-docker-deploy.yml'

env:
  HC_VAULT_VERSION: '1.20.0'
  TEA_VERSION: '0.10.1'

jobs:
  check-and-create-pr:
    if: github.ref != 'refs/heads/main'
    name: Check and Create PR
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Cache tea CLI
        id: cache-tea
        uses: actions/cache@v4
        with:
          path: /opt/hostedtoolcache/tea/${{ env.TEA_VERSION }}/x64
          key: tea-${{ runner.os }}-${{ env.TEA_VERSION }}

      - name: Install tea
        uses: supplypike/setup-bin@v4
        with:
          uri: https://gitea.com/gitea/tea/releases/download/v${{ env.TEA_VERSION }}/tea-${{ env.TEA_VERSION }}-linux-amd64
          name: tea
          version: ${{ env.TEA_VERSION }}

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: PR Check'
          notification_message: 'Checking for existing PR... 🔍'

      - name: Check if open PR exists
        id: check-opened-pr-step
        continue-on-error: true
        run: |
          tea login add --name gitea-rinoa --url "${{ secrets.BDIKTA_GITEA_URL }}" --user gitea-sonarqube-bot --password "${{ secrets.BOT_GITEA_PASSWORD }}" --token ${{ secrets.BOT_GITEA_TOKEN }}
          pr_exists=$(tea pr list --repo ${{ github.repository }} --state open --fields index,title,head | egrep '\[DOCKER\].*${{ github.ref_name }}' | tail -1 | wc -l)
          echo "exists=$pr_exists" >> $GITHUB_OUTPUT

      - name: Create PR
        if: ${{ steps.check-opened-pr-step.outputs.exists == '0' }}
        run: |
          tea login default gitea-rinoa
          pr_index_old=$(tea pr ls --repo ${{ github.repository }} --state all --fields index,title,head --output csv | sed -e 's|"||g' | egrep '^[0-9]' | head -1 | awk -F"," '{print $1}')
          pr_index_new=$(expr ${pr_index_old} + 1)
          tea pr c -r ${{ github.repository }} -t "[DOCKER] Automated PR for ${{ github.ref_name }} - #${pr_index_new}" -d "Automatically created PR for branch: ${{ github.ref_name }}" -a ${{ github.actor }} -L "Docker Compose"

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: PR Check'
          notification_message: 'PR Created 🎟️'

  generate-service-list:
    name: Generate list of added/modified/deleted services
    runs-on: ubuntu-latest
    needs: [check-and-create-pr]
    outputs:
      svc_deploy_list: ${{ steps.detect_services.outputs.docker_svc_list }}
    steps:

      - name: Checkout
        uses: actions/checkout@v4

      - name: Fetch base branch
        run: |
          git fetch origin ${{ github.event.pull_request.base.ref }}

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Services TBD'
          notification_message: 'Generating list of services to deploy...'

      - name: Detect added, deleted, and modified services
        id: detect_services
        run: |
          echo "Getting services from main and ${{ github.ref_name }}"

          # Dynamically find all docker-compose YAML files (root + compose folder)
          COMPOSE_FILES=($(find . -maxdepth 2 -type f -name 'docker-compose*.yml' | sort))

          echo "Found Compose files:"
          printf '%s\n' "${COMPOSE_FILES[@]}"

          # Temp files to store all services
          touch services_main_all.txt services_head_all.txt

          for f in "${COMPOSE_FILES[@]}"; do
            echo "Processing $f"

            # Create a safe filename by replacing slashes with underscores
            safe_f=$(echo "$f" | sed 's|[./]|_|g')

            # Fetch main version
            git show origin/main:"$f" > "main_${safe_f}" 2>/dev/null || touch "main_${safe_f}"
            cp "$f" "head_${safe_f}"

            # Extract services and append to global list
            yq '.services | keys | .[]' "main_${safe_f}" >> services_main_all.txt 2>/dev/null || true
            yq '.services | keys | .[]' "head_${safe_f}" >> services_head_all.txt 2>/dev/null || true
          done

          # Sort and deduplicate
          sort -u services_main_all.txt -o services_main_all.txt
          sort -u services_head_all.txt -o services_head_all.txt

          echo "Creating list of modified services..."
          touch service_changes.txt

          # Added services
          comm -13 services_main_all.txt services_head_all.txt | while read service; do
            echo "$service: added" >> service_changes.txt
          done

          # Modified services (parallelized)
          comm -12 services_main_all.txt services_head_all.txt | xargs -n1 -P4 -I{} bash -c '
            service="{}"
            modified=0
            for f in "${COMPOSE_FILES[@]}"; do
              safe_f=$(echo "$f" | sed "s|[./]|_|g")
              yq ".services[\"$service\"]" "main_${safe_f}" > tmp_main.yml 2>/dev/null || continue
              yq ".services[\"$service\"]" "head_${safe_f}" > tmp_head.yml 2>/dev/null || continue
              if ! diff -q tmp_main.yml tmp_head.yml > /dev/null; then
                modified=1
                break
              fi
            done
            if [[ $modified -eq 1 ]]; then
              echo "$service: modified" >> service_changes.txt
            fi
          '

          echo "Detected service changes:"
          cat service_changes.txt

          if [[ -z $(cat service_changes.txt) ]]; then
            echo "watchtower" > service_changes.txt
            echo "Placeholder:"
            cat service_changes.txt
          fi

          mod_svcs=$(cut -d':' -f1 service_changes.txt | sort | uniq | tr '\n' ' ' | sed 's/ *$//')
          echo "docker_svc_list<<EOF" >> "$GITHUB_OUTPUT"
          echo "$mod_svcs" >> "$GITHUB_OUTPUT"
          echo "EOF" >> "$GITHUB_OUTPUT"

      - name: List of Services for (Re)Deployment
        run: |
          echo -e "${{ steps.detect_services.outputs.docker_svc_list }}"

  docker-compose-dry-run:
    name: Docker Compose Dry Run
    needs: [generate-service-list]
    runs-on: ubuntu-latest
    outputs:
      compose_file_list: ${{ steps.compose_file_list.outputs.compose_list }}
    env:
      VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      VAULT_TOKEN: ${{ secrets.VAULT_GITEA_TOKEN }}
      VAULT_NAMESPACE: ""
      REGISTRY_PASSWORD: ${{ secrets.BOT_GITEA_PASSWORD }}
      DOCKER_SVC_LIST: ${{ needs.generate-service-list.outputs.svc_deploy_list }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Show Docker‑related env vars
        run: |
          env | grep '^DOCKER_' || true

      - name: Login to Gitea Container Registry
        run: |
          docker login -u gitea-sonarqube-bot -p ${REGISTRY_PASSWORD} git.trez.wtf

      - name: Cache Vault install
        id: cache-vault
        uses: actions/cache@v4
        with:
          path: /opt/hostedtoolcache/vault/${{ env.HC_VAULT_VERSION }}/x64
          key: vault-${{ runner.os }}-${{ env.HC_VAULT_VERSION }}

      - name: Install Vault (only if not cached)
        if: steps.cache-vault.outputs.cache-hit != 'true'
        uses: cpanato/vault-installer@main
        with:
          version: ${{ env.HC_VAULT_VERSION }}

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Docker Compose Dry Run @ Benedikta'
          notification_message: 'Starting Docker Compose dry run...'

      - name: Generate .env file for Docker Compose
        run: |
          vault kv get -format=json benedikta-docker/env | jq -r '.data.data' | jq -r 'keys[] as $k | "\($k)='\''\(.[$k])'\''"' > .env

      - name: Get list of Compose files
        id: compose_file_list
        run: |
          compose_list=$(find . -type f -name "docker-compose*.yml" \
            -a ! -name "*windows*" \
            -a ! -name "*gui*" \
            -a ! -name "*macos*" \
            -a ! -name "*hivemind*" \
            -a ! -name "*server*" \
            | sed -e ':a;N;$!ba;s/[\r\n]/ /g')

          echo "compose_list=$compose_list" >> "$GITHUB_OUTPUT"
          echo "Compose files: $compose_list"

      - name: Docker Compose Dry Run
        uses: cssnr/stack-deploy-action@v1.4.0
        with:
          mode: compose
          file: ${{ steps.compose_file_list.outputs.compose_list }}
          name: 'ovosmisc'
          host: 192.168.1.250
          user: ovos
          ssh_key: ${{ secrets.BDIKTA_GITEA_PRIVATE_SSH_KEY }}
          args: --remove-orphans --dry-run ${{ needs.generate-service-list.outputs.svc_deploy_list }}
          env_file: '.env'
          registry_host: 'docker.io'
          registry_user: ${{ secrets.DOCKER_HUB_USER }}
          registry_pass: ${{ secrets.DOCKER_HUB_PASSWORD }}
          summary: true

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Docker Compose Dry Run @ Benedikta'
          notification_message: 'Docker Compose dry run completed successfully.'

  pr-merge:
    name: PR Merge
    needs: [generate-service-list, docker-compose-dry-run]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Cache tea CLI
        id: cache-tea
        uses: actions/cache@v4
        with:
          path: /opt/hostedtoolcache/tea/${{ env.TEA_VERSION }}/x64
          key: tea-${{ runner.os }}-${{ env.TEA_VERSION }}

      - name: Install tea
        uses: supplypike/setup-bin@v4
        with:
          uri: https://gitea.com/gitea/tea/releases/download/v${{ env.TEA_VERSION }}/tea-${{ env.TEA_VERSION }}-linux-amd64
          name: tea
          version: ${{ env.TEA_VERSION }}

      - name: PR Merge
        id: pr_merge
        run: |
          tea login add --name gitea-rinoa --url ${{ secrets.BDIKTA_GITEA_URL }} --user gitea-sonarqube-bot --password "${{ secrets.BOT_GITEA_PASSWORD }}" --token ${{ secrets.BOT_GITEA_TOKEN }}
          tea login default gitea-rinoa
          echo "Merging PR..."
          pr_index=$(tea pr ls --repo ${{ github.repository }} --state open --fields index,title,head,state --output csv | egrep ${{ github.ref_name }} | awk -F"," '{print $1}' | sed -e 's|"||g')
          tea pr m --repo ${{ github.repository }} --title "Auto Merge of PR ${pr_index} - ${{ github.ref_name }}" --message "Merged by ${{ github.actor }}" ${pr_index}
          echo "pr_index=${pr_index}" >> $GITHUB_OUTPUT

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: PR Merge Successful'
          notification_message: 'PR #${{ steps.pr_merge.outputs.pr_index }} merged.'

  docker-compose-deploy:
    name: Docker Compose Deployment
    runs-on: ubuntu-latest
    needs: [generate-service-list, docker-compose-dry-run, pr-merge]
    env:
      VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      VAULT_TOKEN: ${{ secrets.VAULT_GITEA_TOKEN }}
      REGISTRY_PASSWORD: ${{ secrets.BOT_GITEA_PASSWORD }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: main

      - name: Cache Vault install
        id: cache-vault
        uses: actions/cache@v4
        with:
          path: /opt/hostedtoolcache/vault/${{ env.HC_VAULT_VERSION }}/x64
          key: vault-${{ runner.os }}-${{ env.HC_VAULT_VERSION }}

      - name: Install Vault (only if not cached)
        if: steps.cache-vault.outputs.cache-hit != 'true'
        uses: cpanato/vault-installer@main
        with:
          version: ${{ env.HC_VAULT_VERSION }}

      - name: Login to Gitea Container Registry
        run: |
          docker login -u gitea-sonarqube-bot -p ${REGISTRY_PASSWORD} git.trez.wtf

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Docker Compose Deployment @ Benedikta'
          notification_message: 'Starting Docker Compose run...'

      - name: Generate .env file for deployment
        run: |
           vault kv get -format=json benedikta-docker/env | jq -r '.data.data' | jq -r 'keys[] as $k | "\($k)='\''\(.[$k])'\''"' > .env
           echo ${DOCKER_SVC_LIST}
           echo ${COMPOSE_FILE_LIST}

      - name: Docker Compose Deployment
        uses: cssnr/stack-deploy-action@v1.4.0
        with:
          mode: compose
          file: ${{ needs.docker-compose-dry-run.outputs.compose_file_list }}
          name: 'ovosmisc'
          host: 192.168.1.250
          user: ovos
          ssh_key: ${{ secrets.BDIKTA_GITEA_PRIVATE_SSH_KEY }}
          args: --remove-orphans ${{ needs.generate-service-list.outputs.svc_deploy_list }}
          env_file: '.env'
          # registry_host: 'ghcr.io'
          # registry_user: TrezOne
          # registry_pass: ${{ secrets.GHCR_LOGIN_TOKEN }}
          summary: true

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Docker Compose Deployment @ Benedikta'
          notification_message: 'Deployment completed successfully.'