#!/usr/bin/env sh
# agentchattr — starts server (if not running) + API agent wrapper
# Usage: sh start_api_agent.sh <agent_name>
# Example: sh start_api_agent.sh qwen
cd "$(dirname "$0")/.."

if [ -z "$1" ]; then
    echo "Usage: start_api_agent.sh <agent_name>"
    echo "Example: start_api_agent.sh qwen"
    exit 1
fi

PYTHON_BIN=""
if command -v python3 >/dev/null 2>&1; then
    PYTHON_BIN="python3"
elif command -v python >/dev/null 2>&1; then
    PYTHON_BIN="python"
else
    echo "Python 3 is required but was not found on PATH."
    exit 1
fi

ensure_venv() {
    if [ -d ".venv" ] && [ ! -x ".venv/bin/python" ]; then
        echo "Recreating .venv for this platform..."
        rm -rf .venv
    fi

    if [ ! -x ".venv/bin/python" ]; then
        echo "Creating virtual environment..."
        "$PYTHON_BIN" -m venv .venv || {
            echo "Error: failed to create .venv with $PYTHON_BIN."
            exit 1
        }
        .venv/bin/python -m pip install -q -r requirements.txt || {
            echo "Error: failed to install Python dependencies."
            exit 1
        }
    fi
}

is_server_running() {
    lsof -i :8300 -sTCP:LISTEN >/dev/null 2>&1 || \
    ss -tlnp 2>/dev/null | grep -q ':8300 '
}

ensure_venv

if ! is_server_running; then
    if [ "$(uname -s)" = "Darwin" ]; then
        osascript -e "tell app \"Terminal\" to do script \"cd '$(pwd)' && .venv/bin/python run.py\"" > /dev/null 2>&1
    else
        if command -v gnome-terminal >/dev/null 2>&1; then
            gnome-terminal -- sh -c "cd '$(pwd)' && .venv/bin/python run.py; printf 'Press Enter to close... '; read _"
        elif command -v xterm >/dev/null 2>&1; then
            xterm -e sh -c "cd '$(pwd)' && .venv/bin/python run.py" &
        else
            .venv/bin/python run.py > data/server.log 2>&1 &
        fi
    fi

    i=0
    while [ "$i" -lt 30 ]; do
        if is_server_running; then
            break
        fi
        sleep 0.5
        i=$((i + 1))
    done
fi

.venv/bin/python wrapper_api.py "$1"