#!/usr/bin/env bash
# install.sh — wire CTO profile distribution into Hermes.
# Idempotent. Creates ~/.hermes/$PROFILE_NAME symlink + registers skills in profile config.
# v0.1 scaffold: schema applied, skill registered, but cto-agent skill is a non-executable stub.
set -euo pipefail

REPO="$(cd "$(dirname "$0")" && pwd)"
PROFILE_NAME="cto-planb"   # Hermes profile name (org-scoped); matches distribution.yaml → name + manifest.yaml → profile
HERMES_HOME="${HERMES_HOME:-$HOME/.hermes}"
PROFILE_CFG="$HERMES_HOME/profiles/$PROFILE_NAME/config.yaml"

# --dry-run flag for preflight without mutations
DRY_RUN=0
for arg in "$@"; do
    case "$arg" in
        --dry-run) DRY_RUN=1 ;;
    esac
done

echo "== preflight =="
command -v hermes >/dev/null || { echo "ERROR: hermes CLI not on PATH"; exit 1; }
command -v python3 >/dev/null || { echo "ERROR: python3 not on PATH"; exit 1; }
command -v sqlite3 >/dev/null || { echo "ERROR: sqlite3 not on PATH"; exit 1; }
if [ ! -d "$HERMES_HOME" ]; then
    echo "ERROR: HERMES_HOME=$HERMES_HOME does not exist"
    exit 1
fi
echo "  hermes ✓  python3 ✓  sqlite3 ✓  HERMES_HOME ✓"

# Check sandcastle sibling exists (CTO's primary tool)
SANDCASTLE_REPO="${SANDCASTLE_REPO:-$REPO/../sandcastle}"
if [ ! -d "$SANDCASTLE_REPO" ]; then
    echo "WARN: sandcastle sibling not found at $SANDCASTLE_REPO"
    echo "      CTO v1.0 will require it; v0.1 scaffold works without."
else
    echo "  sandcastle ✓ ($SANDCASTLE_REPO)"
fi

if [ "$DRY_RUN" -eq 1 ]; then
    echo "== DRY RUN — no mutations =="
    echo "  would: ln -sfn $REPO $HERMES_HOME/$PROFILE_NAME"
    echo "  would: append $REPO/skills to $PROFILE_CFG → skills.external_dirs"
    echo "  would: sqlite3 $HERMES_HOME/$PROFILE_NAME/cto.db < $REPO/schema.sql"
    exit 0
fi

echo "== link repo → ~/.hermes/$PROFILE_NAME =="
ln -sfn "$REPO" "$HERMES_HOME/$PROFILE_NAME"

echo "== register skills in $PROFILE_NAME profile config =="
SKILL_DIR="$REPO/skills"
mkdir -p "$(dirname "$PROFILE_CFG")"
python3 - "$PROFILE_CFG" "$SKILL_DIR" <<'PY'
import sys, os, yaml
cfg, sk = sys.argv[1], sys.argv[2]
d = yaml.safe_load(open(cfg).read()) if os.path.exists(cfg) else {}
d = d or {}
d.setdefault('skills', {}).setdefault('external_dirs', [])
if sk not in d['skills']['external_dirs']:
    d['skills']['external_dirs'].append(sk)
    open(cfg, 'w').write(yaml.dump(d, sort_keys=False, allow_unicode=True))
    print("  +", sk)
else:
    print("  already registered:", sk)
PY

echo "== ${PROFILE_NAME}.db =="
sqlite3 "$HERMES_HOME/$PROFILE_NAME/cto.db" < "$REPO/schema.sql"

echo "== done. canonical install: hermes profile install $REPO =="
echo "== verify:                   hermes -p $PROFILE_NAME skills list | grep cto-agent =="
echo ""
echo "NOTE: v0.1 is scaffold only. cto-agent skill is a stub — invocations no-op gracefully."
echo "      v1.0 milestone wires sandcastle.run() into the orchestrator. See CONTRACT.md §4."