name: Docker Build

on:
  workflow_dispatch:
    inputs:
      wipeAndReinstall:
        type: boolean
        description: 'Wipe & Re-Install E2A'

  workflow_run:
    workflows: ["Mac E2A Test"]
    types:
      - completed
    branches:
      - main

jobs:
  DockerBuild:
    runs-on: [self-hosted, macos]
    steps:

      - name: Wipe & Re-Clone E2A E2ADockerBuild
        if: ${{ inputs.wipeAndReinstall }}
        run: rm -rf ~/E2ADockerBuild/ebook2audiobook

      - name: Clone ebook2audiobook
        shell: bash
        run: |
          set -e
      
          REPO_DIR=~/E2ADockerBuild/ebook2audiobook
          REPO_URL="https://github.com/${{ github.repository }}"
          IS_PR="${{ github.event_name == 'pull_request' }}"
          BASE_REF="${{ github.event.pull_request.base.ref }}"
          HEAD_REF="${{ github.event.pull_request.head.ref }}"
          HEAD_SHA="${{ github.event.pull_request.head.sha }}"
          TRIGGER_SHA="${{ github.sha }}"
          FRESH_CLONE=0
      
          echo "==> Event: ${{ github.event_name }}"
          echo "==> Repo: $REPO_URL"
      
          # Clone or reuse
          if [ -d "$REPO_DIR" ]; then
            echo "==> Reusing existing repo"
            cd "$REPO_DIR"
            # Set correct remote and fix ambiguous refs
            git remote set-url origin "$REPO_URL"
            git remote set-head origin -a
            git remote prune origin
            git fetch --all --prune
      
            echo "==> Cleaning working directory"
            git reset --hard
          else
            echo "==> Cloning fresh"
            git clone "$REPO_URL" "$REPO_DIR"
            cd "$REPO_DIR"
            git remote set-head origin -a
            git remote prune origin
            git fetch --all --prune
            FRESH_CLONE=1
          fi
      
          if [ "$IS_PR" = "true" ]; then
            echo "==> PR detected: simulating GitHub merge (base: $BASE_REF ← head: $HEAD_REF)"
      
            # Fetch both branches
            git fetch origin "$BASE_REF":"origin/$BASE_REF"
            git fetch origin "$HEAD_REF":"origin/$HEAD_REF"
      
            # Reset to base branch
            git checkout -B "$BASE_REF" "remotes/origin/$BASE_REF"
            git reset --hard "origin/$BASE_REF"
      
            # Merge PR source
            if ! git merge --no-ff --no-edit "origin/$HEAD_REF"; then
              echo "❌ Merge conflict simulating PR merge"
              exit 1
            fi
          else
            echo "==> Not a PR: checking out triggered commit directly"
            git fetch origin "$TRIGGER_SHA"
            git checkout --detach "$TRIGGER_SHA"
            git reset --hard "$TRIGGER_SHA"
          fi
      
          echo "==> Final repo state:"
          git status
          git log -1 --oneline
      
          if [ "$FRESH_CLONE" -eq 1 ]; then
            echo "==> Running ./ebook2audiobook.sh --help because this was a fresh clone"
            if ! ./ebook2audiobook.sh --help; then
              echo "==> Attempting fallback with conda deactivation"
              source "$(conda info --base 2>/dev/null)/etc/profile.d/conda.sh" 2>/dev/null && conda deactivate || true
              ./ebook2audiobook.sh --help
            fi
          else
            echo "==> Skipping script run because repo already existed"
          fi

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        with:
          driver: docker-container
          buildkitd-flags: "--allow-insecure-entitlement security.insecure --allow-insecure-entitlement network.host"

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Get Git Commit Hash
        run: echo "GIT_HASH=${GITHUB_SHA::9}" >> $GITHUB_ENV

      - name: Get Latest Release Tag
        run: |
          TAG=$(curl -s https://api.github.com/repos/${{ github.repository }}/releases/latest | jq -r .tag_name)
          if [ -z "$TAG" ] || [ "$TAG" == "null" ]; then TAG="latest"; fi
          echo "RELEASE_TAG=$TAG" >> $GITHUB_ENV

      - name: Debug Print Variables
        run: |
          echo "DOCKER_USERNAME=${{ secrets.DOCKER_USERNAME }}"
          echo "GIT_HASH=${GIT_HASH}"
          echo "RELEASE_TAG=${RELEASE_TAG}"

      - name: Build and Push Release Docker Image
        run: |
          cd ~/E2ADockerBuild/ebook2audiobook
          docker buildx build --pull --platform linux/amd64,linux/arm64 \
            -t ${{ secrets.DOCKER_USERNAME }}/ebook2audiobook:${GIT_HASH} \
            -t ${{ secrets.DOCKER_USERNAME }}/ebook2audiobook:${RELEASE_TAG} \
            -t ${{ secrets.DOCKER_USERNAME }}/ebook2audiobook:latest \
            --push .

      - name: Prune docker & buildx
        run: |
          docker system prune -af --volumes
          docker buildx prune -af

  huggingface-build:
    runs-on: [self-hosted, macos]
    steps:

      - name: Wipe & Re-Clone E2A E2ADockerBuild
        if: ${{ inputs.wipeAndReinstall }}
        run: rm -rf ~/E2ADockerBuild/ebook2audiobook

      - name: Clone ebook2audiobook into E2ADockerBuild
        shell: bash
        run: |
          if [ -d ~/E2ADockerBuild/ebook2audiobook ]; then
            cd ~/E2ADockerBuild/ebook2audiobook
            git fetch --all
            git reset --hard ${{ github.event.pull_request.head.sha || github.sha }}
          else
            git clone https://github.com/DrewThomasson/ebook2audiobook.git ~/E2ADockerBuild/ebook2audiobook
            cd ~/E2ADockerBuild/ebook2audiobook
            git fetch --all
            git reset --hard ${{ github.event.pull_request.head.sha || github.sha }}
          fi
          
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        with:
          driver: docker-container
          buildkitd-flags: "--allow-insecure-entitlement security.insecure --allow-insecure-entitlement network.host"

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and Push Huggingface Docker Image
        run: |
          cd ~/E2ADockerBuild/ebook2audiobook
          docker buildx build --platform linux/amd64 \
            -f dockerfiles/HuggingfaceDockerfile \
            -t ${{ secrets.DOCKER_USERNAME }}/ebook2audiobook:HuggingfaceSpace \
            --push .

      - name: Prune docker & buildx
        run: |
          docker system prune -af --volumes
          docker buildx prune -af