#!/usr/bin/env bash

# Smoke test the published `mux` forwarding package against the canonical tarball.

set -euo pipefail

CANONICAL_TARBALL="${CANONICAL_TARBALL:-}"

MUX_COMPAT_DIR="${MUX_COMPAT_DIR:-packages/mux-compat}"

if [[ -z "$CANONICAL_TARBALL" ]] || [[ ! -f "$CANONICAL_TARBALL" ]]; then

echo "CANONICAL_TARBALL must point to the packed @coder/xum tarball" >&2

exit 1

fi

CANONICAL_TARBALL=$(realpath "$CANONICAL_TARBALL")

MUX_COMPAT_DIR=$(realpath "$MUX_COMPAT_DIR")

TEST_DIR=$(mktemp -d)

trap 'rm -rf "$TEST_DIR"' EXIT

# npm cannot resolve the unpublished scoped dependency, so pack a temporary mux

# package that points at the exact canonical tarball produced by this checkout.

TEMP_MUX_DIR="$TEST_DIR/mux-package"

cp -R "$MUX_COMPAT_DIR" "$TEMP_MUX_DIR"

node - "$TEMP_MUX_DIR/package.json" "$CANONICAL_TARBALL" <<'NODE'

const fs = require("node:fs");

const [packageJsonPath, canonicalTarball] = process.argv.slice(2);

const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, "utf8"));

packageJson.dependencies["@coder/xum"] = `file:${canonicalTarball}`;

fs.writeFileSync(packageJsonPath, `${JSON.stringify(packageJson, null, 2)}\n`);

NODE

MUX_TARBALL=$(cd "$TEMP_MUX_DIR" && npm pack --json | node -e '

let input = "";

process.stdin.setEncoding("utf8");

process.stdin.on("data", (chunk) => (input += chunk));

process.stdin.on("end", () => {

const filename = JSON.parse(input)[0]?.filename;

if (!filename) process.exit(1);

process.stdout.write(filename);

});

')

MUX_TARBALL="$TEMP_MUX_DIR/$MUX_TARBALL"

INSTALL_DIR="$TEST_DIR/install"

mkdir -p "$INSTALL_DIR"

printf '{"name":"mux-compat-smoke","private":true}\n' >"$INSTALL_DIR/package.json"

(cd "$INSTALL_DIR" && npm install --ignore-scripts --no-audit --no-fund "$MUX_TARBALL")

if [[ ! -x "$INSTALL_DIR/node_modules/.bin/mux" ]]; then

echo "mux forwarding binary was not installed" >&2

exit 1

fi

"$INSTALL_DIR/node_modules/.bin/mux" --help >/dev/null