"""手工视觉 API 联调；自动测试导入本模块时不会请求真实模型。"""

import unittest


def main() -> None:
    import base64
    import os
    import sys

    import requests

    sys.path.insert(0, os.path.dirname(__file__))
    from ai_config import AI_API_KEY, AI_MODEL, AI_TIMEOUT
    from ai_chat import _completions_url

    img_path = os.path.join(os.path.dirname(__file__), "debug_chat_area.png")
    if not os.path.exists(img_path):
        print(f"❌ 找不到测试图片: {img_path}")
        raise SystemExit(1)

    with open(img_path, "rb") as handle:
        image_bytes = handle.read()
    encoded = base64.b64encode(image_bytes).decode("utf-8")
    url = _completions_url()
    headers = {
        "Authorization": f"Bearer {AI_API_KEY}",
        "Content-Type": "application/json",
    }

    print(f"图片大小: {len(image_bytes)} bytes")
    print(f"Base64 长度: {len(encoded)} 字符")
    print(f"API URL: {url}")
    print(f"模型: {AI_MODEL}")
    print("-" * 50)

    def request_case(title: str, image_url) -> None:
        print(f"\n[{title}]")
        payload = {
            "model": AI_MODEL,
            "messages": [
                {
                    "role": "user",
                    "content": [
                        {
                            "type": "text",
                            "text": (
                                "这是企业微信聊天消息区域截图。请只依据截图中最末端的客户消息，"
                                "判断是否有新的客户消息并简短回复；不要把我方旧回复当作客户消息。"
                            ),
                        },
                        {"type": "image_url", "image_url": image_url},
                    ],
                }
            ],
            "max_tokens": 200,
        }
        try:
            response = requests.post(
                url,
                headers=headers,
                json=payload,
                timeout=AI_TIMEOUT,
            )
            response.raise_for_status()
            content = response.json()["choices"][0]["message"]["content"]
            print(f"✅ 回复: {content[:200]}")
        except Exception as exc:
            print(f"❌ 失败: {exc}")
            response = getattr(exc, "response", None)
            if response is not None:
                print(f"   响应: {response.text[:300]}")

    request_case(
        "测试 1：标准 OpenAI data URI",
        {"url": f"data:image/png;base64,{encoded}"},
    )
    request_case(
        "测试 2：纯 base64（兼容性探测）",
        {"url": encoded},
    )
    request_case(
        "测试 3：data URI + detail=high",
        {"url": f"data:image/png;base64,{encoded}", "detail": "high"},
    )
    print("\n测试完成。")


class ManualVisionIsolationTest(unittest.TestCase):
    def test_manual_entrypoint_is_import_safe(self) -> None:
        self.assertTrue(callable(main))


if __name__ == "__main__":
    main()