"""显示输出"""
import sys

try:
    from colorama import Fore, Style, init
    init()
except ImportError:
    class _D:
        CYAN = GREEN = YELLOW = RED = LIGHTBLACK_EX = RESET_ALL = ''
    Fore = Style = _D()


class Display:
    def text(self, text, is_continue=False):
        if text:
            print(text)

    def thinking(self, text):
        if text:
            t = text[:500] + "..." if len(text) > 500 else text
            print(f"{Style.LIGHTBLACK_EX if hasattr(Style,'LIGHTBLACK_EX') else Fore.LIGHTBLACK_EX}[深度思考: {t}]{Style.RESET_ALL}")

    def tool_start(self, tc):
        args = tc.args[:80] + "..." if len(tc.args) > 80 else tc.args
        print(f"  {Fore.GREEN}OK 工具:{Fore.RESET_ALL if hasattr(Fore,'RESET_ALL') else Style.RESET_ALL} {tc.name}")
        print(f"  {Fore.CYAN}参数:{Style.RESET_ALL} {args}")

    def tool_result(self, tc, result):
        text = result.data if result.data is not None else result.error_message
        if text:
            s = str(text)
            if len(s) > 2000:
                lines = s.split("\n")
                if len(lines) > 30:
                    s = "\n".join(lines[:30]) + f"\n... (共{len(lines)}行)"
            print(f"  {Fore.CYAN}结果:{Style.RESET_ALL}")
            for line in s.split("\n"):
                print(f"     {line}")

    def info(self, msg):
        print(f"{Fore.YELLOW}{msg}{Style.RESET_ALL}")

    def error(self, msg):
        print(f"{Fore.RED}{msg}{Style.RESET_ALL}")