name: Deploy Caddyfile

on:
  workflow_call:
    inputs:
      vm_ip:
        description: Caddy VM IP
        required: false
        type: string
        default: "192.168.100.10"

      jump_host:
        type: string
        default: "212.3.125.242"

      jump_port:
        type: string
        default: "2222"

      jump_user:
        type: string
        default: "jump"

      vm_port:
        type: string
        default: "22"

      vm_user:
        type: string
        default: "debian"

    secrets:
      jump_ssh_key:
        required: true

      vm_ssh_key:
        required: true


jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4


      - name: Configure SSH
        run: |
          mkdir -p ~/.ssh
          chmod 700 ~/.ssh

          echo "${{ secrets.jump_ssh_key }}" > ~/.ssh/jump_key
          chmod 600 ~/.ssh/jump_key

          echo "${{ secrets.vm_ssh_key }}" > ~/.ssh/vm_key
          chmod 600 ~/.ssh/vm_key


          cat > ~/.ssh/config <<EOF
          Host jump
            HostName ${{ inputs.jump_host }}
            User ${{ inputs.jump_user }}
            Port ${{ inputs.jump_port }}
            IdentityFile ~/.ssh/jump_key
            StrictHostKeyChecking no

          Host caddy
            HostName ${{ inputs.vm_ip }}
            User ${{ inputs.vm_user }}
            Port ${{ inputs.vm_port }}
            IdentityFile ~/.ssh/vm_key
            ProxyJump jump
            StrictHostKeyChecking no
          EOF


      - name: Upload Caddyfile
        run: |
          scp Caddyfile caddy:/tmp/Caddyfile


      - name: Install Caddy configuration
        run: |
          ssh caddy <<EOF
            set -e

            sudo mv /tmp/Caddyfile \
              /etc/caddy/conf.d/${{ gitea.repository_owner }}.Caddyfile

            sudo chown root:root \
              /etc/caddy/conf.d/${{ gitea.repository_owner }}.Caddyfile

            sudo chmod 644 \
              /etc/caddy/conf.d/${{ gitea.repository_owner }}.Caddyfile

            sudo caddy validate \
              --config /etc/caddy/Caddyfile

            sudo systemctl reload caddy
          EOF