name: CI - Validation

on:
  push:
    branches: ['**']  # All branches
  pull_request:

jobs:
  ci-terraform:
    name: Terraform Validation
    runs-on: self-hosted
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup OpenTofu
        run: |
          if ! command -v tofu &> /dev/null; then
            curl -fsSL https://get.opentofu.org/install-opentofu.sh | bash
          fi

      - name: Terraform Format Check
        run: |
          cd terraform
          tofu fmt -check -recursive
        continue-on-error: false

      - name: Terraform Validate
        run: |
          cd terraform
          tofu init -backend=false
          tofu validate

      - name: Terraform Plan
        if: github.event_name == 'push'
        run: |
          cd terraform
          cp terraform.tfvars.example terraform.tfvars
          tofu init
          tofu plan -out=tfplan
        env:
          TF_VAR_proxmox_token_id: ${{ secrets.PROXMOX_TOKEN_ID }}
          TF_VAR_proxmox_token_secret: ${{ secrets.PROXMOX_TOKEN_SECRET }}
          TF_VAR_ssh_public_key: ${{ secrets.SSH_PUBLIC_KEY }}
          TF_VAR_forgejo_token: ${{ secrets.FORGEJO_TOKEN }}

      - name: Upload Terraform Plan
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: actions/upload-artifact@v4
        with:
          name: tfplan
          path: terraform/tfplan
          retention-days: 1

  ci-ansible:
    name: Ansible Validation
    runs-on: self-hosted
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Ansible
        run: |
          if ! command -v ansible &> /dev/null; then
            sudo apt-get update
            sudo apt-get install -y ansible
          fi

      - name: Ansible Syntax Check
        run: |
          ansible-playbook ansible/site.yml --syntax-check

      - name: Ansible Lint
        run: |
          if ! command -v ansible-lint &> /dev/null; then
            pip3 install ansible-lint
          fi
          ansible-lint ansible/ || true
        continue-on-error: true

      - name: YAML Lint
        run: |
          if ! command -v yamllint &> /dev/null; then
            pip3 install yamllint
          fi
          yamllint ansible/ || true
        continue-on-error: true

  ci-kubernetes:
    name: Kubernetes Validation
    runs-on: self-hosted
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install kubectl
        run: |
          if ! command -v kubectl &> /dev/null; then
            curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
            sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl
          fi

      - name: Validate Kubernetes Manifests
        run: |
          kubectl apply --dry-run=client -f kubernetes/apps/ -R || true
          kubectl apply --dry-run=client -f kubernetes/flux-system/ -R || true

      - name: Install kubeconform
        run: |
          if ! command -v kubeconform &> /dev/null; then
            wget https://github.com/yannh/kubeconform/releases/latest/download/kubeconform-linux-amd64.tar.gz
            tar xf kubeconform-linux-amd64.tar.gz
            sudo mv kubeconform /usr/local/bin/
          fi

      - name: Kubeconform Validation
        run: |
          kubeconform -strict -ignore-missing-schemas kubernetes/ || true
        continue-on-error: true

  security-scan:
    name: Security Scan
    runs-on: self-hosted
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Trivy
        run: |
          if ! command -v trivy &> /dev/null; then
            wget -qO - https://aquasecurity.github.io/trivy-repo/deb/public.key | sudo apt-key add -
            echo "deb https://aquasecurity.github.io/trivy-repo/deb $(lsb_release -sc) main" | sudo tee -a /etc/apt/sources.list.d/trivy.list
            sudo apt-get update
            sudo apt-get install -y trivy
          fi

      - name: Run Trivy IaC Scan
        run: |
          trivy config . --exit-code 0 --severity HIGH,CRITICAL
        continue-on-error: true