# Woodpecker CI/CD Pipeline for mifi Ventures Landing Site
# Deploys static site to Linode VPS via Docker
# Documentation: https://woodpecker-ci.org/docs

# Trigger: Push to main branch or tag creation
when:
  branch: main
  event: [push, tag]

steps:
  # ============================================
  # Stage 1: Build Docker Image
  # ============================================
  - name: build
    image: docker:latest
    environment:
      REGISTRY_REPO: ${REGISTRY_REPO}
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    commands:
      - set -e  # Exit on error
      - echo "=== Building Docker image ==="
      - echo "Commit SHA: ${CI_COMMIT_SHA:0:8}"
      - echo "Registry repo: $REGISTRY_REPO"
      - |
        docker build \
          --tag $REGISTRY_REPO:${CI_COMMIT_SHA} \
          --tag $REGISTRY_REPO:latest \
          --label "git.commit=${CI_COMMIT_SHA}" \
          --label "git.branch=${CI_COMMIT_BRANCH}" \
          .
      - echo "✓ Docker image built successfully"

  # ============================================
  # Stage 2: Push to Registry
  # ============================================
  - name: push
    image: docker:latest
    environment:
      REGISTRY_URL: ${REGISTRY_URL}
      REGISTRY_REPO: ${REGISTRY_REPO}
      REGISTRY_USERNAME: ${REGISTRY_USERNAME}
      REGISTRY_PASSWORD:
        from_secret: registry_password
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    commands:
      - set -e  # Exit on error
      - echo "=== Pushing to registry ==="
      - echo "Registry: $REGISTRY_URL"
      - echo "Repository: $REGISTRY_REPO"
      - |
        echo "$REGISTRY_PASSWORD" | docker login "$REGISTRY_URL" \
          -u "$REGISTRY_USERNAME" \
          --password-stdin
      - docker push $REGISTRY_REPO:${CI_COMMIT_SHA}
      - docker push $REGISTRY_REPO:latest
      - echo "✓ Images pushed successfully"
    depends_on:
      - build

  # ============================================
  # Stage 3: Trigger Portainer stack redeploy (webhook)
  # ============================================
  - name: deploy
    image: curlimages/curl:latest
    environment:
      PORTAINER_WEBHOOK_URL:
        from_secret: portainer_webhook_url
    commands:
      - set -e
      - echo "=== Triggering Portainer stack redeploy ==="
      - |
        resp=$(curl -s -w "\n%{http_code}" -X POST "$PORTAINER_WEBHOOK_URL")
        body=$(echo "$resp" | head -n -1)
        code=$(echo "$resp" | tail -n 1)
        if [ "$code" != "200" ] && [ "$code" != "204" ]; then
          echo "Webhook failed (HTTP $code): $body"
          exit 1
        fi
        echo "✓ Portainer redeploy triggered (HTTP $code)"
    depends_on:
      - push

# ============================================
# Configuration Reference
# ============================================
#
# Required Secrets (set in Woodpecker UI):
#   - registry_password: Gitea container registry password/token
#   - portainer_webhook_url: Portainer stack webhook URL (Redeploy trigger)
#
# Required Environment Variables (Gitea registry):
#   - REGISTRY_URL: git.mifi.dev
#   - REGISTRY_REPO: git.mifi.dev/mifi-ventures/landing
#   - REGISTRY_USERNAME: your Gitea username
#
# Portainer: Add stack from "Git repository" with this repo, compose path
#   docker-compose.yml. Enable GitOps → Webhook and "Re-pull image".
#   Add Gitea registry in Portainer (Settings → Registries) so the host can pull.