#!/usr/bin/env bash
# Generate Go gRPC stubs from the vendored protos into go/genpb/<subsystem>.
# The protos carry no `option go_package`, so each is mapped explicitly here.
# internal_proxy.proto is server-internal and intentionally skipped.
set -euo pipefail

here="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$here/go"
export PATH="$(go env GOPATH)/bin:$PATH"
MOD=git.awesomike.com/pub/waymaker-client/go

# proto filename (relative to ../proto) -> Go package dir under the module
protos=(
  waymaker_locks.proto:genpb/locks
  waymaker_streams.proto:genpb/streams
  kv.proto:genpb/kv
  collections.proto:genpb/collections
  sketches.proto:genpb/sketches
  cache.proto:genpb/cache
)

files=()
mflags=()
for entry in "${protos[@]}"; do
  f="${entry%%:*}"; pkg="${entry##*:}"
  files+=("$f")
  mflags+=("--go_opt=M$f=$MOD/$pkg" "--go-grpc_opt=M$f=$MOD/$pkg")
done

rm -rf genpb
protoc -I ../proto \
  --go_out=. --go_opt=module="$MOD" \
  --go-grpc_out=. --go-grpc_opt=module="$MOD" \
  "${mflags[@]}" \
  "${files[@]}"

echo "Generated Go stubs under go/genpb/"