import argparse
import json
import sys
from datetime import datetime

import requests


def load_config(path="config/config.json"):
    with open(path, "r", encoding="utf-8") as f:
        return json.load(f)


def build_url(config, path):
    return f"{config['base_url']}/api/{config['tenant']}/{path}"


def build_headers(config, accept="*/*"):
    return {
        "accept": accept,
        "Authorization": f"Bearer {config['token']}",
        "Content-Type": "application/json",
    }


def cmd_send(config, args):
    """POST /v1/chat/message/sendMsg - 发送普通消息"""
    payload = {
        "chatChannelId": config["chat_channel_id"],
        "chatContactType": "EXTERNAL",
        "chatContactId": config["chat_contact_id"],
        "msgType": args.msg_type or "text",
        "msgBody": json.dumps({"content": args.content}, ensure_ascii=False),
        "actualSenderType": args.sender_type or "WORK_WE_CUSTOMER",
        "sender": {"type": "EXTERNAL"},
    }
    url = build_url(config, "v1/chat/message/sendMsg")
    resp = requests.post(url, headers=build_headers(config), json=payload, timeout=15)
    return resp


def cmd_stream(config, args):
    """POST /v1/chat/message/sendMsgStream - 发送消息(流式返回SSE)"""
    payload = {
        "chatChannelId": config["chat_channel_id"],
        "chatContactType": "EXTERNAL",
        "chatContactId": config["chat_contact_id"],
        "msgType": args.msg_type or "text",
        "msgBody": json.dumps({"content": args.content}, ensure_ascii=False),
        "actualSenderType": args.sender_type or "WORK_WE_CUSTOMER",
        "sender": {"type": "EXTERNAL"},
    }
    url = build_url(config, "v1/chat/message/sendMsgStream")
    resp = requests.post(
        url,
        headers=build_headers(config, accept="text/event-stream"),
        json=payload,
        timeout=60,
        stream=True,
    )
    if resp.status_code == 200:
        print(f"[{now()}] 流式响应:")
        for line in resp.iter_lines(decode_unicode=True):
            if line:
                print(f"  {line}")
    return resp


def cmd_history(config, args):
    """GET /v1/chat/message - 获取聊天记录"""
    params = {
        "chatChannelId": config["chat_channel_id"],
        "chatContactId": config["chat_contact_id"],
        "page": args.page or 0,
        "size": args.size or 10,
    }
    if args.start_time:
        params["startMsgTime"] = args.start_time
    if args.end_time:
        params["endMsgTime"] = args.end_time

    url = build_url(config, "v1/chat/message")
    resp = requests.get(url, headers=build_headers(config), params=params, timeout=15)
    if resp.status_code == 200:
        data = resp.json()
        records = data.get("data", [])
        total = data.get("total", 0)
        print(f"[{now()}] 共 {total} 条记录, 当前页 {len(records)} 条:")
        for msg in records:
            sender = msg.get("senderName") or msg.get("actualSenderName") or msg.get("sender", "?")
            print(f"  [{msg.get('msgTime', '')}] {sender}: {json.dumps(msg.get('msgBody', {}), ensure_ascii=False)}")
    return resp


def now():
    return datetime.now().strftime("%H:%M:%S")


def print_result(resp):
    print(f"[{now()}] HTTP {resp.status_code}")
    if resp.status_code == 200:
        try:
            data = resp.json()
            print(f"[{now()}] 响应: {json.dumps(data, ensure_ascii=False, indent=2)}")
            status = data.get("status")
            if status:
                print(f"[{now()}] 消息状态: {status}")
        except Exception:
            print(f"[{now()}] 响应: {resp.text[:500]}")
    else:
        print(f"[{now()}] 错误: {resp.text[:500] if resp.text else '(空响应)'}")


def main():
    parser = argparse.ArgumentParser(description="Tutu API 模拟调用工具")
    sub = parser.add_subparsers(dest="command")

    p_send = sub.add_parser("send", help="发送普通消息")
    p_send.add_argument("content", help="消息内容")
    p_send.add_argument("--msg-type", default="text", help="消息类型 (默认 text)")
    p_send.add_argument("--sender-type", help="发送者类型 (默认 WORK_WE_CUSTOMER)")

    p_stream = sub.add_parser("stream", help="发送流式消息 (SSE)")
    p_stream.add_argument("content", help="消息内容")
    p_stream.add_argument("--msg-type", default="text", help="消息类型")
    p_stream.add_argument("--sender-type", help="发送者类型")

    p_hist = sub.add_parser("history", help="获取聊天记录")
    p_hist.add_argument("--page", type=int, default=0, help="页码 (默认 0)")
    p_hist.add_argument("--size", type=int, default=10, help="每页条数 (默认 10)")
    p_hist.add_argument("--start-time", help="开始时间 (yyyy-MM-dd HH:mm:ss)")
    p_hist.add_argument("--end-time", help="结束时间")

    args = parser.parse_args()
    if not args.command:
        parser.print_help()
        sys.exit(1)

    config = load_config()

    commands = {
        "send": cmd_send,
        "stream": cmd_stream,
        "history": cmd_history,
    }

    print(f"[{now()}] 命令: {args.command}")
    resp = commands[args.command](config, args)

    if args.command != "stream" or resp.status_code != 200:
        print_result(resp)


if __name__ == "__main__":
    main()