name: Gitea Branch PR, Cloudflare DNS, README generation, & Docker Deployment

on:
  workflow_dispatch:
  push:
    branches-ignore:
      - "main"
      - "renovate/**"
    paths:
      - "**/docker-compose.yml"

env:
  FLARECTL_VERSION: "0.116.0"
  HC_VAULT_VERSION: "1.20.4"
  TEA_VERSION: "0.10.1"

jobs:
  check-and-create-pr:
    name: Check and Create PR
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
        with:
          fetch-depth: 1

      - name: Install tea
        uses: supplypike/setup-bin@8e3f88b4f143d9b5c3497f0fc12d45c83c123787 # v4.0.1
        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: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ 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 "${{ secrets.TREZ_GITEA_URL }}" \
            --user gitea-sonarqube-bot \
            --password "${{ 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: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ 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@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0

      - 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: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ secrets.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.TREZ_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@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0

      - name: Login to Docker Hub
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
        with:
          username: ${{ secrets.DOCKERHUB_USER }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
        with:
          registry: ghcr.io
          username: ${{ secrets.GHCR_USER }}
          password: ${{ secrets.GHCR_LOGIN_TOKEN }}

      - name: Login to Private Gitea Registry
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
        with:
          registry: git.trez.wtf
          username: ${{ secrets.BOT_GITEA_USER }}
          password: ${{ secrets.BOT_GITEA_PASSWORD }}

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

      - name: Generate .env from Hashicorp Vault
        uses: https://git.trez.wtf/Trez/hc-vault-env@main
        with:
          HC_VAULT_VERSION: ${{ env.HC_VAULT_VERSION }}
          HC_VAULT_ADDR: ${{ secrets.TREZ_VAULT_ADDR }}
          HC_VAULT_USERNAME: ${{ secrets.VAULT_GITEA_USER }}
          HC_VAULT_PASSWORD: ${{ secrets.VAULT_GITEA_PASSWORD }}
          HC_VAULT_SECRETS_PATH: rinoa-docker/env

      - name: Pre-pull/build service images in parallel
        uses: https://git.trez.wtf/Trez/docker-select-image-pull@main
        with:
          services: ${{ env.DOCKER_SVC_LIST }}
          compose_profile: "rinoa-apps"

      - name: Docker Compose Dry Run
        uses: hoverkraft-tech/compose-action@b716db5b717cb9b81e391fe638e5aceaa2299e43 # v2.4.0
        env:
          DOCKER_HOST: tcp://dockerproxy:2375
        with:
          services: |
            ${{ needs.generate-service-list.outputs.svc_deploy_list }}
          up-flags: -d --remove-orphans --dry-run
          compose-flags: --dry-run --profile rinoa-apps
          services-log-level: debug

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ secrets.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@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
        with:
          fetch-depth: 1

      - name: Install flarectl
        uses: supplypike/setup-bin@8e3f88b4f143d9b5c3497f0fc12d45c83c123787 # v4.0.1
        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: 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: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ secrets.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@9ea7b75986aa27143ad4928974c98a5a1bd92170 # 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: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ secrets.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@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0

      - name: Install yq
        uses: dcarbone/install-yq-action@4075b4dca348d74bd83f2bf82d30f25d7c54539b # v1.3.1

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ secrets.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, "description": (.value.labels."homepage.description" // "")})' docker-compose.yml > services.yml

      - name: Generate Markdown Table
        uses: gazab/create-markdown-table@6686233d7008e8d8b9d4bbdbfd1fb1ae510019f0 # v1.0.7
        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@a94899bca583c204427a224a7af87c02f9b325d5 # v9.1.4
        with:
          message: "chore: Update README"
          add: "README.md"

      - name: Gotify Notification
        uses: eikendev/gotify-action@master
        with:
          gotify_api_base: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ secrets.RUNNER_GOTIFY_TOKEN }}"
          notification_title: "GITEA: README Update"
          notification_message: "README updated"

  pr-merge:
    name: PR Merge
    needs: [regenerate-readme-modified-services]
    if: github.ref != 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0

      - name: Install tea
        uses: supplypike/setup-bin@8e3f88b4f143d9b5c3497f0fc12d45c83c123787 # v4.0.1
        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 "${{ secrets.TREZ_GITEA_URL }}" \
            --user gitea-sonarqube-bot \
            --password "${{ 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: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ 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.TREZ_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@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
        with:
          ref: main

      - name: Login to Docker Hub
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
        with:
          username: ${{ secrets.DOCKERHUB_USER }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
        with:
          registry: ghcr.io
          username: ${{ secrets.GHCR_USER }}
          password: ${{ secrets.GHCR_LOGIN_TOKEN }}

      - name: Login to Private Gitea Registry
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
        with:
          registry: git.trez.wtf
          username: ${{ secrets.BOT_GITEA_USER }}
          password: ${{ secrets.BOT_GITEA_PASSWORD }}

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

      - name: Generate .env from Hashicorp Vault
        uses: https://git.trez.wtf/Trez/hc-vault-env@main
        with:
          HC_VAULT_VERSION: ${{ env.HC_VAULT_VERSION }}
          HC_VAULT_ADDR: ${{ secrets.TREZ_VAULT_ADDR }}
          HC_VAULT_USERNAME: ${{ secrets.VAULT_GITEA_USER }}
          HC_VAULT_PASSWORD: ${{ secrets.VAULT_GITEA_PASSWORD }}
          HC_VAULT_SECRETS_PATH: rinoa-docker/env

      - name: Docker Compose Deployment
        uses: hoverkraft-tech/compose-action@b716db5b717cb9b81e391fe638e5aceaa2299e43 # v2.4.0
        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
          compose-flags: --profile rinoa-apps
          services-log-level: debug

      - name: Docker Compose Healthcheck
        uses: jaracogmbh/docker-compose-health-check-action@973fbdccf7c8e396b652d3501984c8e530a9fa80 # 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: "${{ secrets.RUNNER_GOTIFY_URL }}"
          gotify_app_token: "${{ secrets.RUNNER_GOTIFY_TOKEN }}"
          notification_title: "GITEA: Docker Compose Deployment @ Rinoa"
          notification_message: "Deployment completed successfully."