#!/usr/bin/env bash
set -euo pipefail

# The todo domain (muse/plugins/todo) ships on muse's dev branch as of this
# recording but hasn't gone out in a released muse tarball yet -- this demo
# uses muse-dev (the editable install of ~/ecosystem/muse) rather than plain
# muse. Swap MUSE_BIN to "muse" once a release includes it.
MUSE_BIN="${MUSE_BIN:-muse-dev}"
DEMO_DIR="${1:-todo-episode06}"

command -v "$MUSE_BIN" >/dev/null 2>&1 || { echo "error: $MUSE_BIN not found on PATH" >&2; exit 1; }

rm -rf "$DEMO_DIR"
mkdir -p "$DEMO_DIR"
cd "$DEMO_DIR"

"$MUSE_BIN" init --domain todo

echo "Write episode 06 script" > todo.txt
"$MUSE_BIN" commit -m "Add first task"

"$MUSE_BIN" checkout -b feature/alice
echo "Buy milk" >> todo.txt
"$MUSE_BIN" commit -m "Alice adds a task"

"$MUSE_BIN" checkout main
"$MUSE_BIN" checkout -b feature/bob
echo "Fix the bug" >> todo.txt
"$MUSE_BIN" commit -m "Bob adds a different task"

"$MUSE_BIN" checkout main
"$MUSE_BIN" merge feature/alice
"$MUSE_BIN" merge feature/bob

echo
echo "Ready in: $(pwd)"
echo "todo.txt now has all three tasks, merged with zero conflicts:"
cat todo.txt