name: Release-and-Build-Docker-Image

on:
  push:
    tags:
      - 'v*'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: baihu

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        base_type: [debian, alpine, debian13]
        platform:
          - linux/amd64
          - linux/arm64
        include:
          - base_type: debian
            platform: linux/arm/v7
            base_tag: base
            tag_suffix: ""
          - base_type: debian
            platform: linux/amd64
            base_tag: base
            tag_suffix: ""
          - base_type: debian
            platform: linux/arm64
            base_tag: base
            tag_suffix: ""
          - base_type: alpine
            platform: linux/amd64
            base_tag: base-alpine
            tag_suffix: "-alpine"
          - base_type: alpine
            platform: linux/arm64
            base_tag: base-alpine
            tag_suffix: "-alpine"
          - base_type: debian13
            platform: linux/amd64
            base_tag: base-debian13
            tag_suffix: "-debian13"
          - base_type: debian13
            platform: linux/arm64
            base_tag: base-debian13
            tag_suffix: "-debian13"

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set platform pair
        id: platform
        run: |
          platform=${{ matrix.platform }}
          echo "pair=${platform//\//-}-${{ matrix.base_type }}" >> $GITHUB_OUTPUT

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}

      - name: Get build time
        id: build_time
        run: echo "time=$(TZ='Asia/Shanghai' date '+%Y-%m-%d %H:%M:%S')" >> $GITHUB_OUTPUT

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./docker/Dockerfile
          platforms: ${{ matrix.platform }}
          build-args: |
            VERSION=${{ github.ref_name }}
            BUILD_TIME=${{ steps.build_time.outputs.time }}
            BASE_TAG=${{ matrix.base_tag }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=gha,scope=${{ steps.platform.outputs.pair }}
          cache-to: type=gha,scope=${{ steps.platform.outputs.pair }},mode=max
          provenance: false

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ steps.platform.outputs.pair }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    needs: build
    strategy:
      matrix:
        base_type: [debian, alpine, debian13]
        include:
          - base_type: debian
            tag_suffix: ""
          - base_type: alpine
            tag_suffix: "-alpine"
          - base_type: debian13
            tag_suffix: "-debian13"

    permissions:
      contents: write
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*-${{ matrix.base_type }}
          merge-multiple: true

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

      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}${{ matrix.tag_suffix }}
            type=raw,value=latest${{ matrix.tag_suffix }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}${{ matrix.tag_suffix }}

      - name: Create GitHub Release
        if: matrix.base_type == 'debian'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.ref_name }}
          body_path: CHANGELOG.md
          append_body: true  # 追加模式：保留已有说明，在后面添加 CHANGELOG.md