on:
  push:
    branches:
      - main
  pull_request:
      types: [opened, synchronize, reopened]

name: Code Quality & Security Scan
jobs:
  tflint:
    name: TFLint
    runs-on: ubuntu-latest
    steps:
    - name: Checking out
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Setup TFLint
      uses: terraform-linters/setup-tflint@v4
      with:
        tflint_version: latest

    - name: Initialize TFLint
      run: tflint --init

    - name: Run TFLint
      run: tflint --format compact

  tfsec:
    name: Tfsec Security Scan
    runs-on: ubuntu-latest
    needs: tflint
    steps:
    - name: Checking out
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Run Tfsec
      uses: aquasecurity/tfsec-action@v1.0.3
      with:
        format: default
        soft_fail: false

  checkov:
    name: Checkov Security Scan
    runs-on: ubuntu-latest
    needs: tfsec
    steps:
    - name: Checking out
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Run Checkov
      uses: bridgecrewio/checkov-action@v12
      with:
        directory: .
        framework: terraform
        output_format: cli
        soft_fail: false

  terraform-validate:
    name: Terraform Validate
    runs-on: ubuntu-latest
    needs: checkov
    steps:
    - name: Checking out
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

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

    - name: Terraform Format Check
      run: terraform fmt -check -recursive

    - name: Terraform Init (validation only)
      env:
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: "https://gitea.example.com/api/v1/"
        TF_VAR_renovate_token: "dummy-token-for-validation"
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: terraform init -backend=false

    - name: Terraform Validate
      env:
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: "https://gitea.example.com/api/v1/"
        TF_VAR_renovate_token: "dummy-token-for-validation"
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: terraform validate

  sonarqube:
    name: SonarQube Trigger
    runs-on: ubuntu-latest
    needs: terraform-validate
    steps:
    - name: Checking out
      uses: actions/checkout@v4
      with:
        # Disabling shallow clone is recommended for improving relevancy of reporting
        fetch-depth: 0
    - name: SonarQube Scan
      uses: sonarsource/sonarqube-scan-action@v6
      env:
        SONAR_HOST_URL: ${{ secrets.SONARQUBE_HOST }}
        SONAR_TOKEN: ${{ secrets.SONARQUBE_TOKEN }}

  terraform-plan:
    name: Terraform Plan
    runs-on: ubuntu-latest
    needs: sonarqube
    steps:
    - name: Checking out
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

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

    - name: Terraform Init
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        TF_BACKEND_ENDPOINT: ${{ secrets.MINIO_ENDPOINT }}
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: ${{ secrets.RENOVATE_ENDPOINT }}
        TF_VAR_renovate_token: ${{ secrets.RENOVATE_TOKEN }}
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: |
        terraform init -input=false

    - name: Terraform Plan
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: ${{ secrets.RENOVATE_ENDPOINT }}
        TF_VAR_renovate_token: ${{ secrets.RENOVATE_TOKEN }}
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: |
        terraform plan -input=false -out=tfplan
        terraform show -no-color tfplan > tfplan.txt

    - name: Upload Terraform Plan to MinIO
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        MINIO_ENDPOINT: ${{ secrets.MINIO_ENDPOINT }}
        MINIO_BUCKET: ${{ secrets.MINIO_BUCKET }}
      run: |
        # Install AWS CLI for S3-compatible operations
        curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
        unzip -q awscliv2.zip
        sudo ./aws/install

        # Upload plan files to MinIO
        PLAN_PATH="terraform-plans/${{ github.repository }}/${{ github.run_number }}"
        aws s3 cp tfplan "s3://${MINIO_BUCKET}/${PLAN_PATH}/tfplan" \
          --endpoint-url="${MINIO_ENDPOINT}"
        aws s3 cp tfplan.txt "s3://${MINIO_BUCKET}/${PLAN_PATH}/tfplan.txt" \
          --endpoint-url="${MINIO_ENDPOINT}"

        echo "Plan uploaded to: s3://${MINIO_BUCKET}/${PLAN_PATH}/"

  terraform-apply:
    name: Terraform Apply
    runs-on: ubuntu-latest
    needs: terraform-plan
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    environment:
      name: production
    steps:
    - name: Checking out
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

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

    - name: Install AWS CLI
      run: |
        curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
        unzip -q awscliv2.zip
        sudo ./aws/install

    - name: Terraform Init
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: ${{ secrets.RENOVATE_ENDPOINT }}
        TF_VAR_renovate_token: ${{ secrets.RENOVATE_TOKEN }}
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: terraform init

    - name: Download Terraform Plan from MinIO
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        MINIO_ENDPOINT: ${{ secrets.MINIO_ENDPOINT }}
        MINIO_BUCKET: ${{ secrets.MINIO_BUCKET }}
      run: |
        PLAN_PATH="terraform-plans/${{ github.repository }}/${{ github.run_number }}"
        aws s3 cp "s3://${MINIO_BUCKET}/${PLAN_PATH}/tfplan" tfplan \
          --endpoint-url="${MINIO_ENDPOINT}"
        echo "Plan downloaded from: s3://${MINIO_BUCKET}/${PLAN_PATH}/tfplan"

    - name: Terraform Apply
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: ${{ secrets.RENOVATE_ENDPOINT }}
        TF_VAR_renovate_token: ${{ secrets.RENOVATE_TOKEN }}
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: terraform apply -input=false -auto-approve tfplan

  terraform-destroy:
    name: Terraform Destroy
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'destroy')
    environment:
      name: destroy-approval
    steps:
    - name: Verify Destroy Authorization
      run: |
        echo "⚠️  CRITICAL: INFRASTRUCTURE DESTRUCTION REQUESTED"
        echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
        echo "PR: ${{ github.event.pull_request.html_url }}"
        echo "Requested by: ${{ github.actor }}"
        echo "Repository: ${{ github.repository }}"
        echo "Branch: ${{ github.head_ref }}"
        echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
        echo ""
        echo "This action will PERMANENTLY DESTROY the Renovate container"
        echo "and all associated resources managed by this Terraform configuration."
        echo ""
        echo "Waiting for manual approval via environment protection rules..."

    - name: Checking out
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

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

    - name: Terraform Init (Fresh - No Cache)
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: ${{ secrets.RENOVATE_ENDPOINT }}
        TF_VAR_renovate_token: ${{ secrets.RENOVATE_TOKEN }}
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: |
        echo "Performing fresh terraform init (no cache for safety)..."
        terraform init

    - name: Terraform Destroy Plan
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: ${{ secrets.RENOVATE_ENDPOINT }}
        TF_VAR_renovate_token: ${{ secrets.RENOVATE_TOKEN }}
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: |
        echo "Generating destroy plan..."
        terraform plan -input=false -destroy -out=destroy.tfplan
        echo ""
        echo "Destroy plan generated. Review the plan above carefully."

    - name: Terraform Destroy Execute
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.MINIO_ACCESS_KEY }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.MINIO_SECRET_KEY }}
        TF_VAR_role_id: ${{ secrets.VAULT_ROLE_ID }}
        TF_VAR_secret_id: ${{ secrets.VAULT_SECRET_ID }}
        TF_VAR_renovate_endpoint: ${{ secrets.RENOVATE_ENDPOINT }}
        TF_VAR_renovate_token: ${{ secrets.RENOVATE_TOKEN }}
        VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
      run: |
        echo "🔥 DESTROYING INFRASTRUCTURE..."
        echo "This cannot be undone!"
        echo ""
        terraform apply -input=false -auto-approve destroy.tfplan
        echo ""
        echo "✅ Renovate infrastructure has been destroyed"
        echo "State file updated in MinIO"