name: ci

on:
  push:
  pull_request:

permissions:
  contents: write
  packages: write

jobs:

  setup:
    runs-on: ubuntu-latest
    outputs:
      go-version: ${{ steps.go-version.outputs.version }}
    steps:
      - name: Checkout
        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5

      - name: Extract Go version from go.mod
        id: go-version
        run: |
          GO_VERSION=$(grep -E '^go [0-9]+\.[0-9]+' go.mod | awk '{print $2}' | cut -d. -f1,2)
          echo "version=v${GO_VERSION}" >> $GITHUB_OUTPUT

  builds:

    timeout-minutes: 10
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5
        with:
          go-version-file: 'go.mod'
          cache: true

      - name: Build
        run: make build

  tests:
    needs: [ builds ]
    strategy:
      matrix:
        os: [ubuntu-latest]
        name: [unit]

    runs-on: ${{ matrix.os }}
    name: test (${{ matrix.name }}, ${{ matrix.os }})
    steps:
      - name: Checkout code
        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
      - name: Set up Go
        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5
        with:
          go-version-file: 'go.mod'
          cache: true

      - name: Run [${{ matrix.name }} - ${{ matrix.os }}] tests
        run: make test

  release-binaries:

    if: github.ref_type == 'tag'
    needs: [ setup, tests, builds]
    strategy:
      matrix:
        os: [ ubuntu-latest]
    runs-on:  ${{ matrix.os }}
    steps:
      - name: Checkout
        id: checkout
        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
        with:
          fetch-depth: 0

      - name: Run GoReleaser Linux
        run: |
          docker run \
          		--rm \
          		--privileged \
          		-e CGO_ENABLED=1 \
          		-e GITHUB_TOKEN \
          		-v /var/run/docker.sock:/var/run/docker.sock \
          		-v `pwd`:/go/src/$(PACKAGE_NAME) \
          		-w /go/src/$(PACKAGE_NAME) \
          		ghcr.io/goreleaser/goreleaser-cross:${GOLANG_CROSS_VERSION} \
          		--clean --config .goreleaser-Linux.yml
        env:
          PACKAGE_NAME: github.com/AndriyKalashnykov/go-httpbin
          GOLANG_CROSS_VERSION: ${{ needs.setup.outputs.go-version }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Run GoReleaser MacOS
        run: |
          docker run \
          		--rm \
          		--privileged \
          		-e CGO_ENABLED=1 \
          		-e GITHUB_TOKEN \
          		-v /var/run/docker.sock:/var/run/docker.sock \
          		-v `pwd`:/go/src/$(PACKAGE_NAME) \
          		-w /go/src/$(PACKAGE_NAME) \
          		ghcr.io/goreleaser/goreleaser-cross:${GOLANG_CROSS_VERSION} \
          		--clean --config .goreleaser-Darwin-cross.yml
        env:
          PACKAGE_NAME: github.com/AndriyKalashnykov/go-httpbin
          GOLANG_CROSS_VERSION: ${{ needs.setup.outputs.go-version }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  release-docker-images:

    if: github.ref_type == 'tag'
    needs: [ tests, builds ]
    timeout-minutes: 10
    runs-on: ubuntu-latest
    env:
      GH_ACCESS_TOKEN: ${{ secrets.GH_ACCESS_TOKEN }}
    permissions:
      packages: write
      contents: read

    steps:
    - name: Checkout
      uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
      with:
        fetch-depth: 0

    - name: Set up QEMU
      uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3

    - name: Cache Docker layers
      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-buildx-

    - name: Convert owner to lower case
      run: |
        echo "OWNER_LC=${OWNER,,}" >>${GITHUB_ENV}
      env:
        OWNER: '${{ github.repository_owner }}'

    - name: Login to image repository
      uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GH_ACCESS_TOKEN }}

    - name: Docker meta
      id: meta
      uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5
      with:
        images: ghcr.io/${{ env.OWNER_LC }}/go-httpbin
        flavor: latest=true
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=semver,pattern=v{{version}}

    - name: Build and push
      uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6
      with:
        context: .
        file: ./Dockerfile
        platforms: linux/amd64
        push: ${{ github.ref_type == 'tag' }}
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}