name: Ansible

on:
  push:
    branches: [main]
    paths:
      - 'ansible/**'
  workflow_dispatch:
    inputs:
      playbook:
        description: 'Playbook to run'
        required: true
        default: 'infra.yml'
        type: choice
        options:
          - infra.yml

jobs:
  ansible:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ansible

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

      - name: Install dependencies
        run: pip install ansible && sudo apt-get install -y unzip

      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v3

      - name: Terraform Init
        working-directory: terraform
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.SPACES_ACCESS_KEY }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.SPACES_SECRET_KEY }}
        run: terraform init

      - name: Get droplet IP from Terraform state
        working-directory: terraform
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.SPACES_ACCESS_KEY }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.SPACES_SECRET_KEY }}
          TF_VAR_do_token: ${{ secrets.DO_TOKEN }}
          TF_VAR_cloudflare_api_token: ${{ secrets.CF_API_TOKEN }}
          TF_VAR_ssh_key_name: ${{ secrets.DO_SSH_KEY_NAME }}
          TF_VAR_domain: ${{ secrets.DOMAIN }}
          TF_VAR_admin_ip: ${{ secrets.ADMIN_IP }}
        run: echo "DROPLET_IP=$(terraform output -raw gitea_ip)" >> $GITHUB_ENV

      - name: Write SSH key
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.DROPLET_SSH_KEY }}" > ~/.ssh/do
          chmod 600 ~/.ssh/do
          ssh-keyscan -H git-ssh.lunarfront.tech >> ~/.ssh/known_hosts

      - name: Write inventory
        run: |
          echo "[infra]" > inventory.ini
          echo "git-ssh.lunarfront.tech ansible_user=root ansible_ssh_private_key_file=~/.ssh/do" >> inventory.ini

      - name: Write vault password
        run: echo "${{ secrets.ANSIBLE_VAULT_PASSWORD }}" > .vault_pass

      - name: Run playbook
        run: |
          ansible-playbook -i inventory.ini ${{ inputs.playbook || 'infra.yml' }} \
            --vault-password-file .vault_pass

      - name: Cleanup
        if: always()
        run: rm -f ~/.ssh/do .vault_pass