name: Build & Push Forge-Kasm

on:
  push:
    branches: [ main ]

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3

      - name: Install Dependencies
        run: |
          apt-get update && apt-get install -y curl jq docker.io

      - name: Get Forge Snapshot Tag
        id: get_tag
        run: |
          SNAPSHOT_URL=$(curl -s https://api.github.com/repos/Card-Forge/forge/releases/tags/daily-snapshots \
            | jq -r '.assets[] | select(.name | test("forge-installer-.*\\.tar\\.bz2")) | .browser_download_url')

          echo "Snapshot URL: $SNAPSHOT_URL"

          SNAPSHOT_NAME=$(basename "$SNAPSHOT_URL")
          echo "Snapshot file: $SNAPSHOT_NAME"

          # Extract the "06.11" part from something like: forge-installer-2.0.05-SNAPSHOT-06.11.tar.bz2
          SNAPSHOT_TAG=$(echo "$SNAPSHOT_NAME" | sed -E 's/.*SNAPSHOT-([0-9]+\.[0-9]+)\.tar\.bz2/\1/')

          echo "Using tag: $SNAPSHOT_TAG"
          echo "snapshot_tag=$SNAPSHOT_TAG" >> "$GITHUB_OUTPUT"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Docker Hub
        run: echo "${{ secrets.DOCKERHUB_PASSWORD }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin

      - name: Build and Push Docker Image
        run: |
          IMAGE=forge-kasm
          USERNAME=${{ secrets.DOCKERHUB_USERNAME }}
          TAG=${{ steps.get_tag.outputs.snapshot_tag }}

          echo "Building Docker image as: $USERNAME/$IMAGE:$TAG"

          docker build \
            --build-arg FORGE_SNAPSHOT_TAG=$TAG \
            -t $USERNAME/$IMAGE:$TAG .

          echo "Pushing Docker image: $USERNAME/$IMAGE:$TAG"
          docker push $USERNAME/$IMAGE:$TAG

      - name: Also Push 'latest' Tag
        run: |
          IMAGE=forge-kasm
          USERNAME=${{ secrets.DOCKERHUB_USERNAME }}
          TAG=${{ steps.get_tag.outputs.snapshot_tag }}

          echo "Tagging image as 'latest'"
          docker tag $USERNAME/$IMAGE:$TAG $USERNAME/$IMAGE:latest

          echo "Pushing Docker image: $USERNAME/$IMAGE:latest"
          docker push $USERNAME/$IMAGE:latest