when:
  - event: tag

steps:
  - name: validate-release
    image: golang:1.26.5
    commands:
      - |
        set -eu

        version="$CI_COMMIT_TAG"
        release_note="docs/releases/$version.md"

        if ! printf '%s\n' "$version" |
          grep -Eq '^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$'
        then
          printf '%s\n' "invalid release tag: $version" >&2
          exit 1
        fi
        test -s "$release_note"
        test -z "$(git ls-files go.work go.work.sum)"
        test ! -e vendor
        if grep -Eq '^[[:space:]]*replace([[:space:]]|\()' go.mod
        then
          printf '%s\n' 'go.mod contains a replacement' >&2
          exit 1
        fi

        GOWORK=off go test -count=1 ./...
        GOWORK=off go test -race -count=1 ./...
        GOWORK=off go vet ./...
        GOWORK=off go build ./...
        GOWORK=off go mod tidy -diff

        unformatted=$(
          git ls-files '*.go' |
            while IFS= read -r go_file
            do
              gofmt -l "$go_file"
            done
        )
        test -z "$unformatted"
        git diff --check

  - name: build-release-assets
    image: golang:1.26.5
    depends_on:
      - validate-release
    commands:
      - |
        set -eu

        version="$CI_COMMIT_TAG"
        dist="dist"
        pkg="gitea.maximumdirect.net/eric/weatherreporter/cmd/weatherreporter"

        rm -rf "$dist"
        mkdir -p "$dist"

        build_binary() {
          goos="$1"
          goarch="$2"
          suffix="$3"
          output="$dist/weatherreporter-$version-$goos-$goarch$suffix"

          CGO_ENABLED=0 GOOS="$goos" GOARCH="$goarch" \
            go build -trimpath -ldflags "-s -w -X gitea.maximumdirect.net/eric/weatherreporter/internal/buildinfo.Version=$version" \
            -o "$output" "$pkg"
        }

        build_binary linux amd64 ""
        build_binary linux arm64 ""
        build_binary darwin amd64 ""
        build_binary darwin arm64 ""
        build_binary windows amd64 ".exe"
        build_binary windows arm64 ".exe"

        host_binary="$dist/weatherreporter-$version-$(go env GOOS)-$(go env GOARCH)"
        test "$("$host_binary" --version)" = "weatherreporter $version"

  - name: publish-release
    image: woodpeckerci/plugin-release:0.3.1
    depends_on:
      - build-release-assets
    settings:
      api_key:
        from_secret: GITEA_RELEASE_TOKEN
      files:
        - dist/weatherreporter-*
      title: Weatherreporter ${CI_COMMIT_TAG}
      note: docs/releases/${CI_COMMIT_TAG}.md
      checksum: sha256
      checksum-file: SHA256SUMS
      checksum-flatten: true
      file-exists: skip
      overwrite: false
      prerelease: false