from pathlib import Path
import sys
import time
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler
from watchdog.events import LoggingEventHandler
import asyncio.subprocess as subprocess
import asyncio
from watchfiles import awatch, watch
from termcolor import colored
from datetime import datetime


async def on_modified(event):
    sqls = open('./target.sql').read().split('\n\n')
    p = await subprocess.create_subprocess_shell("xmake", stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    stdout, _ = await p.communicate()
    if b'error' in stdout:
        print(stdout.decode('utf-8'))
        print(datetime.now(), '-' * 40)
        return

    for sql in sqls:
        print(f'run sql: \n{colored(sql, "yellow")}\n')
        p = await subprocess.create_subprocess_exec(
            'xmake', 'run', 'sql-parser', sql, stdout=subprocess.PIPE, stderr=subprocess.PIPE
        )

        for t in ['stderr', 'stdout']:
            content = (await eval(f'p.{t}').readline()).decode('utf-8')
            if content:
                print(colored(t + ':', 'green'))
                print(content)
        return_code = await p.wait()
        
        if return_code != 0:
            print(f'{return_code=}')
            break
    print(datetime.now(), '-' * 40)

async def main():
    async for changes in awatch('src'):
        await asyncio.wait_for(on_modified(changes), 20)


if __name__ == "__main__":
    asyncio.run(main())