#!/usr/bin/env bash
# Rocko's native Claude Code development session.
set -euo pipefail
REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
cd "$REPO"
fail() { echo "rocko: $*" >&2; exit 1; }
usage() {
    echo 'Usage: agents/rocko/launch.sh [--fresh] [--check] [--soul FILE] [--constitution FILE] [--user FILE]'
}
FRESH=false
CHECK=false
SOUL="$REPO/agents/rocko/SOUL.md"
CONSTITUTION="$REPO/contracts/CONSTITUTION.md"
USER_FILE=""
while [ "$#" -gt 0 ]; do
    case "$1" in
        --fresh) FRESH=true; shift ;;
        --check) CHECK=true; shift ;;
        --soul|--constitution|--user)
            [ "$#" -ge 2 ] && [ -n "$2" ] || fail "$1 needs a file"
            case "$1" in
                --soul) SOUL="$2" ;;
                --constitution) CONSTITUTION="$2" ;;
                --user) USER_FILE="$2" ;;
            esac
            shift 2 ;;
        --help|-h) usage; exit 0 ;;
        *) usage >&2; fail "unknown argument: $1" ;;
    esac
done
source "$REPO/scripts/common.sh"
load_config
USER_FILE="${USER_FILE:-$MOSAIC_DATA_ROOT/user/USER.md}"
command -v claude >/dev/null || fail 'Claude Code is required on PATH'
command -v node >/dev/null || fail 'Node.js is required'
command -v flock >/dev/null || fail 'flock is required'
VERSION="$(claude --version)"
CONTEXT_FILES=("$CONSTITUTION" "$REPO/contracts/STANDARDS.md" "$SOUL" "$USER_FILE" "$REPO/AGENTS.md" "$REPO/agents/rocko/CONTEXT.md")
for file in "${CONTEXT_FILES[@]}"; do
    [ -f "$file" ] && [ -r "$file" ] && [ -s "$file" ] || fail "missing, unreadable or empty context: $file"
done
STATE="$REPO/.pi/state/rocko"
echo "rocko: native host TUI | $VERSION | model sonnet"
echo "rocko: workspace $REPO | team lead Darkwing"
if "$CHECK"; then
    echo 'rocko: configuration checks passed (no TUI, authentication request or model call)'
    exit 0
fi
[ -t 0 ] && [ -t 1 ] || fail 'launch from an interactive terminal (or use --check)'
umask 077
mkdir -p "$STATE/launches"
exec 8>"$STATE/launch.lock"
flock -n 8 || fail 'another rocko TUI from this launcher is active'
SESSION_FILE="$STATE/session-id"
if ! "$FRESH" && [ -e "$SESSION_FILE" ]; then
    [ -f "$SESSION_FILE" ] && [ -r "$SESSION_FILE" ] || fail 'invalid session-id file; inspect it or use --fresh'
    SESSION_ID="$(cat "$SESSION_FILE")"
    [[ "$SESSION_ID" =~ ^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$ ]] || fail 'invalid session-id; inspect it or use --fresh'
    SESSION_ARGS=(--resume "$SESSION_ID")
    echo "rocko: resuming conversation $SESSION_ID"
else
    SESSION_ID="$(node -e 'console.log(require("node:crypto").randomUUID())')"
    SESSION_ARGS=(--session-id "$SESSION_ID")
    echo "rocko: starting conversation $SESSION_ID; earlier conversations are preserved"
fi
LAUNCH="$(mktemp -d "$STATE/launches/launch.XXXXXXXX")"
PROMPT="$LAUNCH/context.md"
for file in "${CONTEXT_FILES[@]}"; do
    printf '\n===== %s (%s) =====\n' "$(basename "$file")" "$file" >> "$PROMPT"
    cat "$file" >> "$PROMPT"
    printf '\n' >> "$PROMPT"
done
sha256sum "$PROMPT" > "$LAUNCH/context.sha256"
printf '%s\n' "$SESSION_ID" > "$LAUNCH/session-id"
# Retain each prior ID in its launch receipt; replace only the current pointer.
printf '%s\n' "$SESSION_ID" > "$STATE/session-id.tmp"
mv "$STATE/session-id.tmp" "$SESSION_FILE"
echo "rocko: context snapshot $PROMPT"
unset MOSAIC_LAUNCH_INCARNATION
export MOSAIC_AGENT_NAME=rocko
exec claude --model sonnet --name Rocko \
    --append-system-prompt "$(cat "$PROMPT")" "${SESSION_ARGS[@]}"