name: Gitea Branch PR, Cloudflare DNS, README generation, & Docker Deployment
on:
  workflow_dispatch:
  push:
    branches-ignore:
      - 'main'
    paths:
      - '**/docker-compose.yml'
      - '**/pr-cloudflare-docker-deploy.yml'
      - '!ansible/**.yml'
env:
  FLARECTL_VERSION: '0.115.0'
  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.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: PR Check'
          notification_message: 'Checking for existing PR... 🔍'
      - name: Check if open PR exists
        id: check-opened-pr-step
        continue-on-error: true
        run: |
          tea login add --name gitea-rinoa --url "${{ secrets.RINOA_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.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_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.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Services TBD'
          notification_message: 'Generating list of services to deploy...'
      - name: Save both versions of docker-compose.yml
        run: |
          git show origin/main:docker-compose.yml > docker-compose-main.yml || touch docker-compose-main.yml
          cp docker-compose.yml docker-compose-head.yml
      - name: Detect added, deleted, and modified services
        id: detect_services
        run: |
          echo "Getting services from main and ${{ github.ref_name }}"
          yq '.services | keys | .[]' docker-compose-main.yml | sort > services_main.txt
          yq '.services | keys | .[]' docker-compose-head.yml | sort > services_head.txt

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

          comm -13 services_main.txt services_head.txt | while read service; do
            echo "$service: added" >> service_changes.txt
          done

          comm -12 services_main.txt services_head.txt | while read service; do
            yq ".services[\"$service\"]" docker-compose-main.yml > tmp_main.yml
            yq ".services[\"$service\"]" docker-compose-head.yml > tmp_head.yml
            if ! diff -q tmp_main.yml tmp_head.yml > /dev/null; then
              echo "$service: modified" >> service_changes.txt
            fi
          done

          echo "Detected service changes:"
          cat service_changes.txt

          mod_svcs=$(cut -d':' -f1 service_changes.txt | sort | uniq)
          echo "docker_svc_list<<EOF" >> "$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
    env:
      VAULT_ADDR: ${{ secrets.RINOA_VAULT_ADDR }}
      VAULT_TOKEN: ${{ secrets.VAULT_GITEA_TOKEN }}
      VAULT_NAMESPACE: ""
      RINOA_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: Login to Gitea Container Registry
        run: |
          docker login -u gitea-sonarqube-bot -p ${RINOA_REGISTRY_PASSWORD} git.trez.wtf
      - name: Cache Vault install
        id: cache-vault
        uses: actions/cache@v4
        with:
          path: /opt/hostedtoolcache/vault/${{ 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.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Docker Compose Dry Run @ Rinoa'
          notification_message: 'Starting Docker Compose dry run...'
      - name: Generate .env file for Docker Compose
        run: |
          vault kv get -format=json rinoa-docker/env | jq -r '.data.data' | jq -r 'keys[] as $k | "\($k)='\''\(.[$k])'\''"' > .env
          echo ${DOCKER_SVC_LIST}
      - name: Docker Compose Dry Run
        uses: hoverkraft-tech/compose-action@v2.2.0
        env:
          DOCKER_HOST: tcp://dockerproxy:2375
        with:
          services: |
            ${{ needs.generate-service-list.outputs.svc_deploy_list }}
          up-flags: -d --remove-orphans --dry-run
          down-flags: --dry-run
          compose-flags: --dry-run
      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Docker Compose Dry Run @ Rinoa'
          notification_message: 'Docker Compose dry run completed successfully.'
  cloudflare-dns-setup:
    name: Cloudflare DNS Setup
    needs: [docker-compose-dry-run]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 1
      - name: Cache flarectl CLI
        uses: actions/cache@v4
        with:
          path: ~/.flarectl
          key: flarectl-${{ runner.os }}-${{ env.FLARECTL_VERSION }}-${{ hashFiles('workflow-config.yml') }}
      - name: Install flarectl
        uses: supplypike/setup-bin@v4
        with:
          uri: https://github.com/cloudflare/cloudflare-go/releases/download/v${{ env.FLARECTL_VERSION }}/flarectl_${{ env.FLARECTL_VERSION }}_linux_amd64.tar.gz
          name: flarectl
          version: ${{ env.FLARECTL_VERSION }}
      - name: Cache Subdomain Files
        uses: actions/cache@v4
        with:
          path: |
            compose_subdomains.txt
            cloudflare_subdomains.txt
          key: ${{ runner.os }}-subdomains-${{ hashFiles('docker-compose.yml') }}
      - name: Grab Subdomains from Docker Compose & Cloudflare
        id: grab-subdomains
        env:
          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
          CF_API_EMAIL: ${{ secrets.CF_API_EMAIL }}
        run: |
          yq '.services[].labels.swag_url' docker-compose.yml | egrep -v 'null' | sed -e 's|"||g' | awk -F'.' '{print $1}' | sort > compose_subdomains.txt
          flarectl --json dns list --zone "trez.wtf" --type=CNAME --content "trez.wtf" | jq '.[].Name' | sed -e 's|"||g' | awk -F"." '{print $1}' | sort > cloudflare_subdomains.txt
      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Cloudflare Setup @ Rinoa'
          notification_message: 'Starting Cloudflare DNS setup...'
      - name: Compare Subdomains
        id: compare-subdomains
        uses: LouisBrunner/diff-action@v2.2.0
        with:
          old: compose_subdomains.txt
          new: cloudflare_subdomains.txt
          mode: addition
          tolerance: mixed-better
          output: domain_compare.txt
      - name: Create Subdomains
        if: steps.compare-subdomains.outputs.output != ''
        continue-on-error: true
        env:
          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
          CF_API_EMAIL: ${{ secrets.CF_API_EMAIL }}
        run: |
          cat domain_compare.txt | egrep '^-[a-z]' | sed -e 's|-||g' | while read -r subdomain; do
            echo "Creating $subdomain.trez.wtf..."
            flarectl dns create --zone "trez.wtf" --name "${subdomain}" --type=CNAME --content "trez.wtf" --proxy true
          done
      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Cloudflare Setup @ Rinoa'
          notification_message: 'Cloudflare DNS setup completed successfully.'
  regenerate-readme-modified-services:
    name: Update README & Generate List of Modified Services
    runs-on: ubuntu-latest
    needs: [cloudflare-dns-setup]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Install yq
        uses: dcarbone/install-yq-action@v1
      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: README Update'
          notification_message: 'Updating README...'
      - name: Generate service list
        run: |
          yq '.services | to_entries | map({"service": .key, "image": .value.image})' docker-compose.yml > services.yml
      - name: Generate Markdown Table
        uses: gazab/create-markdown-table@v1
        id: service-table
        with:
          file: ./services.yml
      - name: Regenerate README
        run: |
          echo "# List of Services" > README.md
          echo -e "\n\n" >> README.md
          echo "${{ steps.service-table.outputs.table }}" >> README.md
      - name: Add/Commit README.md
        id: commit-readme
        uses: EndBug/add-and-commit@v9
        with:
          message: "chore: Update README"
          add: "README.md"
      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: README Update'
          notification_message: 'README updated'
  pr-merge:
    name: PR Merge
    needs: [regenerate-readme-modified-services]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Cache tea CLI
        id: cache-tea
        uses: actions/cache@v4
        with:
          path: /opt/hostedtoolcache/tea/${{ 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 ${{ secrets.RINOA_GITEA_URL }} --user gitea-sonarqube-bot --password "${{ 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.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: PR Merge Successful'
          notification_message: 'PR #${{ 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.RINOA_VAULT_ADDR }}
      VAULT_TOKEN: ${{ secrets.VAULT_GITEA_TOKEN }}
      DOCKER_HOST: tcp://dockerproxy:2375
      RINOA_REGISTRY_PASSWORD: ${{ secrets.BOT_GITEA_PASSWORD }}
      DOCKER_SVC_LIST: ${{ needs.generate-service-list.outputs.svc_deploy_list }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: main
      - name: Cache Vault install
        id: cache-vault
        uses: actions/cache@v4
        with:
          path: /opt/hostedtoolcache/vault/${{ 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 ${RINOA_REGISTRY_PASSWORD} git.trez.wtf
      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Docker Compose Deployment @ Rinoa'
          notification_message: 'Starting Docker Compose run...'
      - name: Generate .env file for deployment
        run: |
           vault kv get -format=json rinoa-docker/env | jq -r '.data.data' | jq -r 'keys[] as $k | "\($k)='\''\(.[$k])'\''"' > .env
           echo ${DOCKER_SVC_LIST}
      - name: Docker Compose Deployment
        uses: hoverkraft-tech/compose-action@v2.2.0
        env:
          DOCKER_HOST: tcp://dockerproxy:2375
        with:
          services: |
            ${{ needs.generate-service-list.outputs.svc_deploy_list }}
          up-flags: -d --remove-orphans
          down-flags: --dry-run
      - name: Docker Compoose Healthcheck
        uses: jaracogmbh/docker-compose-health-check-action@v1.0.0
        with:
          max-retries: 30
          retry-interval: 10
          compose-file: "docker-compose.yml"
          skip-exited: "true"
          skip-no-healthcheck: "true"
      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: '${{ secrets.RINOA_GOTIFY_URL }}'
          gotify_app_token: '${{ secrets.RINOA_RUNNER_GOTIFY_TOKEN }}'
          notification_title: 'GITEA: Docker Compose Deployment @ Rinoa'
          notification_message: 'Deployment completed successfully.'