name: Deploy

on:
  push:
    branches: [main]
  workflow_dispatch:

env:
  REGISTRY: forgejo.riotpiao.com
  IMAGE: forgejo.riotpiao.com/riotpiao-poimen/poimen-memory
  DOCKER_HOST: tcp://localhost:2375

jobs:
  deploy:
    name: Tag & Push Latest
    runs-on: rust
    steps:
      - name: Install Docker and curl
        run: apt-get update && apt-get install -y docker.io curl

      - name: Get short SHA via Gitea API
        id: sha
        run: |
          # Fetch latest commit SHA for main branch from Gitea API
          COMMIT_SHA=$(curl -s -H "Authorization: token ${REGISTRY_TOKEN}" \
            "https://forgejo.riotpiao.com/api/v1/repos/riotpiao-poimen/poimen-memory/commits?sha=main&limit=1" | \
            grep -o '"sha":"[^"]*' | head -1 | cut -d'"' -f4)
          
          if [ -z "$COMMIT_SHA" ]; then
            echo "ERROR: Failed to fetch commit SHA from Gitea API"
            exit 1
          fi
          
          SHORT_SHA=$(echo "$COMMIT_SHA" | cut -c1-7)
          echo "short_sha=$SHORT_SHA" >> $GITHUB_OUTPUT
          echo "Full SHA: $COMMIT_SHA, Short: $SHORT_SHA"
        env:
          REGISTRY_TOKEN: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}

      - name: Registry login
        run: |
          if [ -z "${REGISTRY_USER}" ] || [ -z "${REGISTRY_TOKEN}" ]; then
            echo "ERROR: Missing REGISTRY_USER or REGISTRY_TOKEN secrets"
            exit 1
          fi
          echo "${REGISTRY_TOKEN}" | docker login "${REGISTRY}" \
            --username "${REGISTRY_USER}" --password-stdin
        env:
          REGISTRY_USER: ${{ secrets.FORGEJO_REGISTRY_USER }}
          REGISTRY_TOKEN: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}

      - name: Verify SHA image exists, tag as latest
        run: |
          if ! docker pull "${IMAGE}:${{ steps.sha.outputs.short_sha }}"; then
            echo "ERROR: Image ${IMAGE}:${{ steps.sha.outputs.short_sha }} not found. Check build.yaml passed."
            exit 1
          fi
          docker tag "${IMAGE}:${{ steps.sha.outputs.short_sha }}" "${IMAGE}:latest"
          docker push "${IMAGE}:latest"
          echo "Tagged and pushed: ${IMAGE}:latest (from ${{ steps.sha.outputs.short_sha }})"

      - name: Prune images
        run: docker image prune -a --force 2>&1 | tail -3 || true