#!/bin/sh
# Agent dispatcher inside the container.
#
# Headless (default): loads the contract-generated system prompt, then
# dispatches one request to /opt/mosaic/adapters/<MOSAIC_ADAPTER>/adapter.sh
# (contract: /opt/mosaic/adapters/README.md).
#
# Interactive (MOSAIC_INTERACTIVE=1, from scripts/agent.sh): same prompt,
# but the adapter opens the full pi TUI with no initial prompt - the human
# drives from there.
set -eu

REQUEST=""
if [ "${MOSAIC_INTERACTIVE:-}" != "1" ]; then
    # Headless: args are the request; default is the startup verification
    # request used by hello/verify.
    REQUEST="${*:-Return your startup marker and nothing else.}"
    export MOSAIC_REQUEST="$REQUEST"
fi

ADAPTER="${MOSAIC_ADAPTER:-pi}"
case "$ADAPTER" in
    # Allowlist mirrors scripts/mosaic-config.mjs; pattern check first so a
    # crafted name cannot escape the adapters directory.
    *[!A-Za-z0-9._-]*|'')
        echo "run-agent: invalid adapter name: '$ADAPTER'" >&2
        exit 2
        ;;
esac

ADAPTER_SCRIPT="/opt/mosaic/adapters/$ADAPTER/adapter.sh"
if [ ! -x "$ADAPTER_SCRIPT" ]; then
    echo "run-agent: unknown or non-executable adapter: $ADAPTER" >&2
    exit 2
fi

/opt/mosaic/src/load-contracts.sh /opt/mosaic/contracts /var/lib/mosaic/system-prompt.md

export MOSAIC_SYSTEM_PROMPT_FILE="/var/lib/mosaic/system-prompt.md"

exec "$ADAPTER_SCRIPT"