#!/usr/bin/env bash
# The wire-compatibility gate, both directions. This is the CRDT half of the
# spec's §0: two implementations, fixtures as the contract.
set -euo pipefail
cd "$(dirname "$0")/.."

echo "--- regenerating fixtures from JS yjs"
(cd fixtures && node generate.mjs)

echo "--- fixtures must be unchanged (they are the contract, not an output)"
if ! git diff --quiet -- fixtures/data; then
  echo "wire-gate: fixtures changed. If deliberate, commit them WITH the rule change." >&2
  git diff --stat -- fixtures/data >&2
  exit 1
fi

echo "--- Rust reads what JS wrote"
(cd core && cargo test --test wire_compat)

echo "--- JS reads what Rust wrote"
(cd core && cargo run --quiet --locked --bin emit_update) | node fixtures/verify-rust.mjs

echo "wire-gate: ok"