name: Build and Push Docker Image

on:
  push:
    branches:
      - main
  workflow_dispatch:
  schedule:
    - cron: '0 * * * *'  # Every hour

jobs:
  check-version:
    runs-on: linux-amd64
    container:
      image: node:20-slim
    outputs:
      should_build: ${{ steps.compare.outputs.should_build }}
      latest_version: ${{ steps.get_version.outputs.version }}
    steps:
      - name: Install dependencies
        run: |
          apt-get update && apt-get install -y curl jq

      - name: Get latest Nicotine+ version from PyPI
        id: get_version
        run: |
          VERSION=$(curl -s https://pypi.org/pypi/nicotine-plus/json | jq -r '.info.version')
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Latest Nicotine+ version: $VERSION"

      - name: Get current built version
        id: current_version
        run: |
          CURRENT=$(curl -s https://git.nicola.sh/api/v1/repos/public/nicotine-less/releases/latest 2>/dev/null | jq -r '.tag_name // "none"')
          echo "current=$CURRENT" >> $GITHUB_OUTPUT
          echo "Current built version: $CURRENT"

      - name: Compare versions
        id: compare
        run: |
          if [ "${{ steps.get_version.outputs.version }}" != "${{ steps.current_version.outputs.current }}" ]; then
            echo "should_build=true" >> $GITHUB_OUTPUT
            echo "New version detected, will build"
          else
            echo "should_build=false" >> $GITHUB_OUTPUT
            echo "Already up to date"
          fi

  build:
    needs: check-version
    if: needs.check-version.outputs.should_build == 'true' || github.event_name == 'push' || github.event_name == 'workflow_dispatch'
    strategy:
      matrix:
        include:
          - platform: linux/amd64
            runner: linux-amd64
          - platform: linux/arm64
            runner: linux-arm64
    runs-on: ${{ matrix.runner }}
    steps:
      - name: Checkout code
        run: |
          rm -rf nicotine-less
          git clone --depth 1 https://git.nicola.sh/public/nicotine-less.git nicotine-less
          cd nicotine-less

      - name: Set up Docker Buildx
        run: |
          docker buildx create --use --name builder --driver docker-container || docker buildx use builder

      - name: Login to Gitea Container Registry
        run: |
          echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login git.nicola.sh -u "${{ secrets.REGISTRY_USERNAME }}" --password-stdin

      - name: Build and push
        run: |
          cd nicotine-less
          docker buildx build \
            --platform ${{ matrix.platform }} \
            --tag git.nicola.sh/public/nicotine-less:latest-${{ matrix.platform }} \
            --tag git.nicola.sh/public/nicotine-less:${{ needs.check-version.outputs.latest_version }}-${{ matrix.platform }} \
            --cache-from type=registry,ref=git.nicola.sh/public/nicotine-less:buildcache-${{ matrix.platform }} \
            --cache-to type=registry,ref=git.nicola.sh/public/nicotine-less:buildcache-${{ matrix.platform }},mode=max \
            --push \
            .

  create-manifest:
    needs: [check-version, build]
    runs-on: linux-amd64
    steps:
      - name: Login to Gitea Container Registry
        run: |
          echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login git.nicola.sh -u "${{ secrets.REGISTRY_USERNAME }}" --password-stdin

      - name: Create and push multi-arch manifest
        run: |
          docker buildx imagetools create \
            -t git.nicola.sh/public/nicotine-less:latest \
            -t git.nicola.sh/public/nicotine-less:${{ needs.check-version.outputs.latest_version }} \
            git.nicola.sh/public/nicotine-less:latest-linux/amd64 \
            git.nicola.sh/public/nicotine-less:latest-linux/arm64

      - name: Create release
        if: needs.check-version.outputs.should_build == 'true'
        run: |
          curl -X POST "https://git.nicola.sh/api/v1/repos/public/nicotine-less/releases" \
            -H "Authorization: token ${{ secrets.TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "{
              \"tag_name\": \"${{ needs.check-version.outputs.latest_version }}\",
              \"name\": \"Nicotine+ ${{ needs.check-version.outputs.latest_version }}\",
              \"body\": \"Automated build with Nicotine+ version ${{ needs.check-version.outputs.latest_version }}\"
            }"