name: build-and-push-ext

on:
  push:
    branches:
      - dev4

jobs:
  build_push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Prepare SSH agent (optional)
        shell: bash
        run: |
          set -euo pipefail
          eval "$(ssh-agent -s)"
          if [ -n "${{ secrets.SSH_PRIVATE_KEY || '' }}" ]; then
            echo "${{ secrets.SSH_PRIVATE_KEY }}" | tr -d '\r' | ssh-add - >/dev/null 2>&1 || true
          fi
          mkdir -p ~/.ssh
          ssh-keyscan git.4nkweb.com >> ~/.ssh/known_hosts 2>/dev/null || true
          echo "SSH agent ready: $SSH_AUTH_SOCK"
          # Rendre l'agent dispo aux steps suivants
          echo "SSH_AUTH_SOCK=$SSH_AUTH_SOCK" >> "$GITHUB_ENV"
          echo "SSH_AGENT_PID=$SSH_AGENT_PID" >> "$GITHUB_ENV"

      - name: Compute Docker tag from commit message or fallback
        id: tag
        shell: bash
        run: |
          set -euo pipefail
          msg=$(git log -1 --pretty=%B)
          if [[ "$msg" =~ ci:\ docker_tag=([a-zA-Z0-9._:-]+) ]]; then
            tag="${BASH_REMATCH[1]}"
          else
            tag="dev-test"
          fi
          echo "TAG=$tag" | tee -a $GITHUB_OUTPUT

      - name: Docker login (git.4nkweb.com)
        shell: bash
        env:
          REG_USER: ${{ secrets.USER }}
          REG_TOKEN: ${{ secrets.TOKEN }}
        run: |
          set -euo pipefail
          echo "$REG_TOKEN" | docker login git.4nkweb.com -u "$REG_USER" --password-stdin

      - name: Build image (target ext)
        shell: bash
        env:
          DOCKER_BUILDKIT: "1"
        run: |
          set -euo pipefail
          if [ -n "${SSH_AUTH_SOCK:-}" ]; then
            docker build --ssh default \
              -t git.4nkweb.com/4nk/sdk_relay:${{ steps.tag.outputs.TAG }} \
              -f Dockerfile .
          else
            echo "SSH_AUTH_SOCK non défini: l'agent SSH n'est pas disponible. Assurez-vous de définir secrets.SSH_PRIVATE_KEY."
            exit 1
          fi

      - name: Push image
        shell: bash
        run: |
          set -euo pipefail
          docker push git.4nkweb.com/4nk/sdk_relay:${{ steps.tag.outputs.TAG }}