name: Docker Build

on:
  push:
    branches: ["main"]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Gitea registry
        if: ${{ secrets.REGISTRY_USERNAME != '' && secrets.REGISTRY_PASSWORD != '' }}
        uses: docker/login-action@v3
        with:
          registry: git.kogami.xyz
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Build image (with registry cache)
        if: ${{ secrets.REGISTRY_USERNAME != '' && secrets.REGISTRY_PASSWORD != '' }}
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64
          push: false
          load: true
          tags: matrix-bot:latest
          cache-from: type=registry,ref=git.kogami.xyz/foglar/matrix-bot:buildcache
          cache-to: type=registry,ref=git.kogami.xyz/foglar/matrix-bot:buildcache,mode=max

      - name: Build image (no registry cache)
        if: ${{ secrets.REGISTRY_USERNAME == '' || secrets.REGISTRY_PASSWORD == '' }}
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64
          push: false
          load: true
          tags: matrix-bot:latest