#!/bin/bash
# One-shot scheduled task: close legacy positions, then start the new trading bot.
# Removes its own cron entry after running.
BOT_DIR="$(cd "$(dirname "$0")" && pwd)"
LOG="$BOT_DIR/close_legacy_positions.log"
BOT_LOG="$BOT_DIR/trading_bot.log"

if pgrep -f "python.*main\.py" > /dev/null; then
    echo "$(date) ABORT: trading bot is already running; skipping cleanup" >> "$LOG"
else
    echo "=== $(date) legacy cleanup start ===" >> "$LOG"
    "$BOT_DIR/.venv/bin/python" "$BOT_DIR/close_legacy_positions.py" >> "$LOG" 2>&1
    RC=$?
    echo "=== $(date) legacy cleanup done (exit=$RC) ===" >> "$LOG"

    if [ "$RC" -eq 0 ]; then
        echo "=== $(date) cleanup OK, starting new trading bot ===" >> "$LOG"
        setsid nohup "$BOT_DIR/.venv/bin/python" "$BOT_DIR/main.py" >> "$BOT_LOG" 2>&1 < /dev/null &
        BOT_PID=$!
        sleep 8
        if kill -0 "$BOT_PID" 2>/dev/null; then
            echo "=== bot started successfully (PID: $BOT_PID) ===" >> "$LOG"
        else
            echo "=== bot FAILED to start, check $BOT_LOG ===" >> "$LOG"
        fi
    else
        echo "=== $(date) cleanup FAILED (exit=$RC) - bot NOT started." >> "$LOG"
        echo "=== Fix manually (run: .venv/bin/python close_legacy_positions.py), then ./restart_bot.sh ===" >> "$LOG"
    fi
fi

# self-remove from crontab (one-shot task)
crontab -l 2>/dev/null | grep -v "close_legacy_positions" | crontab -