name: ci

on:
  push:
  pull_request:

jobs:
  buf:
    runs-on: docker
    container:
      image: bufbuild/buf:latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: buf lint
        run: buf lint

      - name: buf breaking (against main)
        run: buf breaking --against '.git#branch=main'
        if: github.ref != 'refs/heads/main'

  codegen-check:
    runs-on: docker
    container:
      image: golang:1.25
    steps:
      - uses: actions/checkout@v4

      - name: Install buf and protoc plugins
        run: |
          go install github.com/bufbuild/buf/cmd/buf@latest
          go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
          go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
          go install github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway@latest

      - name: Regenerate and diff
        run: |
          export PATH="$PATH:$(go env GOPATH)/bin"
          buf generate
          git diff --exit-code -- gen || (echo "::error::gen/ is out of date — run buf generate and commit the result" && exit 1)

      - name: go build
        run: go build ./...