#!/bin/bash

# 配置参数
APP_DIR="/home/work/keyword_crawl"
VENV_PATH="$APP_DIR/venv"
# 使用绝对路径指定应用，或者使用相对路径
APP_NAME="flask_wht_server_api:app"  # 原始方式
# 或者使用：APP_NAME="flask_wht_server_api"
PORT="8216"
WORKERS="1"  # 先使用1个worker调试
LOG_FILE="$APP_DIR/log10bjh_wht_server_api_$(date +%y%m%d%H%M).log"
PID_FILE="/tmp/gunicorn_wht_server_api.pid"
TIMEOUT=120

# 进入应用目录
cd "$APP_DIR" || {
    echo "Failed to change directory to $APP_DIR"
    exit 1
}

echo "当前目录: $(pwd)"
echo "目录内容:"
ls -la *.py

# 激活虚拟环境
if [ -f "$VENV_PATH/bin/activate" ]; then
    source "$VENV_PATH/bin/activate"
    echo "✓ Virtual environment activated"
    echo "Python: $(which python)"
else
    echo "Error: Virtual environment not found at $VENV_PATH"
    exit 1
fi

# 添加当前目录到Python路径
export PYTHONPATH="$APP_DIR:$PYTHONPATH"
echo "PYTHONPATH: $PYTHONPATH"

echo "========================================"
echo "Deploying Flask Application"
echo "========================================"
echo "Application: $APP_NAME"
echo "Port: $PORT"
echo "Workers: $WORKERS"
echo "Log file: $LOG_FILE"
echo "Directory: $(pwd)"
echo "========================================"

# 检查应用文件
APP_FILE="flask_wht_server_api.py"
if [ ! -f "$APP_FILE" ]; then
    echo "Error: $APP_FILE not found!"
    echo "Files in directory:"
    ls -la
    exit 1
fi

# 简单测试Python是否能导入模块
echo "Testing Python import..."
python -c "
import sys
print('Python path:', sys.path)
try:
    import flask_wht_server_api
    print('✓ Successfully imported flask_wht_server_api')
except Exception as e:
    print(f'✗ Import failed: {e}')
"

# (1) 停止现有进程
echo ""
echo "Stopping existing processes..."
pkill -f "gunicorn.*flask_wht_server_api" 2>/dev/null
pkill -f "python.*flask_wht_server_api" 2>/dev/null
sleep 2

# 清除PID文件
[ -f "$PID_FILE" ] && rm -f "$PID_FILE"

# (2) 启动新进程 - 使用不同的方式
echo ""
echo "Starting Gunicorn server..."

# 方法1：使用绝对路径
# CMD="gunicorn -w $WORKERS -b 0.0.0.0:$PORT --pid $PID_FILE --timeout $TIMEOUT --chdir $APP_DIR $APP_NAME"

# 方法2：使用点号表示法（推荐）
CMD="gunicorn -w $WORKERS -b 0.0.0.0:$PORT --pid $PID_FILE --timeout $TIMEOUT 'flask_wht_server_api:app'"

echo "Executing: $CMD"

# 直接运行（不后台运行，方便查看错误）
echo ""
echo "=== 直接运行（查看实时输出）==="
gunicorn -w $WORKERS -b 0.0.0.0:$PORT --pid $PID_FILE --timeout $TIMEOUT --access-logfile - --error-logfile - 'flask_wht_server_api:app'