setup

#!/usr/bin/env bash
set -e

# Resolve the *physical* path, so the marketplace registers the clone itself
# and not a symlink to it.
IDSTACK_DIR="$(cd "$(dirname "$0")" && pwd -P)"

# Default install: user-scope plugin so /idstack:<skill> is discovered.
CLAUDE_SCOPE="user"  # claude plugin scope: user (global) or project (--local)

for arg in "$@"; do
  case "$arg" in
    --local) CLAUDE_SCOPE="project" ;;
    -h|--help)
      echo "Command: ./setup [--local]"
      echo "  --local  Installs idstack at project scope (./.claude/), not at user scope."
      exit 0
      ;;
    *) echo "ERROR: unknown argument: $arg" >&2; echo "Run ./setup --help for more information." >&2; exit 2 ;;
  esac
done

# Regenerate skill files so installs are always fresh against the current .tmpl
# source. Cheap (<1s); the source-of-truth invariant is worth more than the cost.
"$IDSTACK_DIR/bin/idstack-gen-skills" >/dev/null
echo "  regenerated skill files"

echo "Setup installs idstack (scope: $CLAUDE_SCOPE)..."
echo "  source: $IDSTACK_DIR"
echo ""

# Verify plugin + marketplace manifests are present (sanity check; setup should
# not silently install something Claude Code can't discover).
if [ ! -f "$IDSTACK_DIR/.claude-plugin/plugin.json" ]; then
  echo "ERROR: missing .claude-plugin/plugin.json at $IDSTACK_DIR" >&2
  echo "       A plugin layout must have this file. Setup stopped." >&2
  exit 1
fi
if [ ! -f "$IDSTACK_DIR/.claude-plugin/marketplace.json" ]; then
  echo "ERROR: missing .claude-plugin/marketplace.json at $IDSTACK_DIR" >&2
  echo "       Claude Code installs plugins through a marketplace manifest. Setup stopped." >&2
  exit 1
fi

# Claude Code install — register this repo as a single-plugin marketplace, then
# install from it. Both commands are idempotent, so re-running setup is safe.
# The marketplace source is this repo's path; `marketplace update` re-reads it,
# and `plugin update` picks up a newer committed version on `git pull && ./setup`.
if command -v claude >/dev/null 2>&1; then
  # The two required calls fail loud with a manual-recovery hint — under
  # `set -e` a bare nonzero exit here used to abort setup silently, with no
  # message at all.
  if ! claude plugin marketplace add "$IDSTACK_DIR"; then
    echo "" >&2
    echo "ERROR: The 'claude plugin marketplace add' command stopped with an error." >&2
    echo "Run this command manually. Then run ./setup again:" >&2
    echo "    claude plugin marketplace add \"$IDSTACK_DIR\"" >&2
    exit 1
  fi
  claude plugin marketplace update idstack >/dev/null 2>&1 || true
  if ! claude plugin install idstack@idstack --scope "$CLAUDE_SCOPE"; then
    echo "" >&2
    echo "ERROR: The 'claude plugin install' command stopped with an error." >&2
    echo "Install idstack manually:" >&2
    echo "    claude plugin install idstack@idstack --scope $CLAUDE_SCOPE" >&2
    exit 1
  fi
  claude plugin update idstack@idstack --scope "$CLAUDE_SCOPE" >/dev/null 2>&1 || true
  echo ""
  echo "Setup installed idstack in Claude Code (scope: $CLAUDE_SCOPE)."
else
  echo "  WARNING: 'claude' not found on PATH. Setup did not install idstack in Claude Code."
  echo "  Install Claude Code. Then run ./setup again. You can also install idstack manually:"
  echo "    claude plugin marketplace add \"$IDSTACK_DIR\""
  echo "    claude plugin install idstack@idstack --scope $CLAUDE_SCOPE"
fi

echo ""
echo "  If Claude Code is open, close it and open it again."
echo "  Claude Code reads plugins only when a session starts."
echo ""
echo "  To use a skill, run /idstack:<skill>"
echo ""
echo "  If you do not know where to start:"
echo "    /idstack:start"
echo ""
echo "  If you have a course, import it and examine it:"
echo "    /idstack:course-import -> /idstack:course-quality-review"
echo ""
echo "  To start a new course:"
echo "    /idstack:needs-analysis"
echo ""
echo "  Run the full pipeline:"
echo "    /idstack:pipeline"
echo ""
echo "  All skills: start, needs-analysis, learning-objectives, assessment-design,"
echo "    course-builder, course-quality-review, accessibility-review,"
echo "    red-team, course-export, course-import, pipeline, learn"
echo ""
echo "  More information: https://idstack.org"