import json
import os
import requests
import numpy as np
import openai
import paramiko

from nltk.stem import WordNetLemmatizer
from nltk.corpus import wordnet, stopwords
from nltk.tokenize import word_tokenize
import nltk

from ..tool import Tool
from swarms.tools.tools.database.utils.db_parser import get_conf
from swarms.tools.tools.database.utils.database import DBArgs, Database
from swarms.tools.models.customllm import CustomLLM
from swarms.tools.knowledge.knowledge_extraction import KnowledgeExtraction
from swarms.tools.tools.db_diag.anomaly_detection import detect_anomalies
from swarms.tools.tools.db_diag.anomaly_detection import prometheus

from swarms.tools.tools.db_diag.example_generate import bm25

import warnings


def obtain_values_of_metrics(start_time, end_time, metrics):
    if (
        end_time - start_time > 11000 * 3
    ):  # maximum resolution of 11,000 points per timeseries
        # raise Exception("The time range is too large, please reduce the time range")
        warnings.warn(
            "The time range ({}, {}) is too large, please reduce the time range".format(
                start_time, end_time
            )
        )

    required_values = {}

    print(" ====> metrics: ", metrics)
    for metric in metrics:
        metric_values = prometheus(
            "api/v1/query_range",
            {"query": metric, "start": start_time, "end": end_time, "step": "3"},
        )
        if metric_values["data"]["result"] != []:
            metric_values = metric_values["data"]["result"][0]["values"]
        else:
            raise Exception("No metric values found for the given time range")

        # compute the average value of the metric
        max_value = np.max(np.array([float(value) for _, value in metric_values]))

        required_values[metric] = max_value

    return required_values


def find_abnormal_metrics(start_time, end_time, monitoring_metrics, resource):
    resource_keys = ["memory", "cpu", "disk", "network"]

    abnormal_metrics = []
    for metric_name in monitoring_metrics:
        interval_time = 5
        metric_values = prometheus(
            "api/v1/query_range",
            {
                "query": metric_name,
                "start": start_time - interval_time * 60,
                "end": end_time + interval_time * 60,
                "step": "3",
            },
        )

        if metric_values["data"]["result"] != []:
            metric_values = metric_values["data"]["result"][0]["values"]
        else:
            continue

        if detect_anomalies(np.array([float(value) for _, value in metric_values])):
            success = True
            for key in resource_keys:
                if key in metric_name and key != resource:
                    success = False
                    break
            if success:
                abnormal_metrics.append(metric_name)

    return abnormal_metrics


def build_db_diag_tool(config) -> Tool:
    tool = Tool(
        "Database Diagnosis",
        "Diagnose the bottlenecks of a database based on relevant metrics",
        name_for_model="db_diag",
        description_for_model="Plugin for diagnosing the bottlenecks of a database based on relevant metrics",
        logo_url="https://commons.wikimedia.org/wiki/File:Postgresql_elephant.svg",
        contact_email="hello@contact.com",
        legal_info_url="hello@legal.com",
    )

    # URL_CURRENT_WEATHER= "http://api.weatherapi.com/v1/current.json"
    # URL_FORECAST_WEATHER = "http://api.weatherapi.com/v1/forecast.json"

    URL_PROMETHEUS = "http://8.131.229.55:9090/"
    prometheus_metrics = {
        "cpu_usage": 'avg(rate(process_cpu_seconds_total{instance="172.27.58.65:9187"}[5m]) * 1000)',
        "cpu_metrics": [
            'node_scrape_collector_duration_seconds{instance="172.27.58.65:9100"}',
            'node_procs_running{instance="172.27.58.65:9100"}',
            'node_procs_blocked{instance="172.27.58.65:9100"}',
            'node_entropy_available_bits{instance="172.27.58.65:9100"}',
            'node_load1{instance="172.27.58.65:9100"}',
            'node_load5{instance="172.27.58.65:9100"}',
            'node_load15{instance="172.27.58.65:9100"}',
        ],
        "memory_usage": 'node_memory_MemTotal_bytes{instance=~"172.27.58.65:9100"} - (node_memory_Cached_bytes{instance=~"172.27.58.65:9100"} + node_memory_Buffers_bytes{instance=~"172.27.58.65:9100"} + node_memory_MemFree_bytes{instance=~"172.27.58.65:9100"})',
        "memory_metrics": [
            'node_memory_Inactive_anon_bytes{instance="172.27.58.65:9100"}',
            'node_memory_MemFree_bytes{instance="172.27.58.65:9100"}',
            'node_memory_Dirty_bytes{instance="172.27.58.65:9100"}',
            'pg_stat_activity_count{datname=~"(imdbload|postgres|sysbench|template0|template1|tpcc|tpch)", instance=~"172.27.58.65:9187", state="active"} !=0',
        ],
        "network_metrics": [
            'node_sockstat_TCP_tw{instance="172.27.58.65:9100"}',
            'node_sockstat_TCP_orphan{instance="172.27.58.65:9100"}',
        ],
    }
    # "node_sockstat_TCP_tw{instance=\"172.27.58.65:9100\"}",

    # load knowlege extractor
    knowledge_matcher = KnowledgeExtraction(
        "/swarms.tools/tools/db_diag/root_causes_dbmind.jsonl"
    )

    # load db settings
    script_path = os.path.abspath(__file__)
    script_dir = os.path.dirname(script_path)
    config = get_conf(script_dir + "/my_config.ini", "postgresql")
    dbargs = DBArgs("postgresql", config=config)  # todo assign database name

    # send request to database
    db = Database(dbargs, timeout=-1)

    server_config = get_conf(script_dir + "/my_config.ini", "benchserver")

    monitoring_metrics = []
    with open(
        str(os.getcwd()) + "/swarms/tools/db_diag/database_monitoring_metrics", "r"
    ) as f:
        monitoring_metrics = f.read()
    monitoring_metrics = eval(monitoring_metrics)

    @tool.get("/obtain_start_and_end_time_of_anomaly")
    def obtain_start_and_end_time_of_anomaly():
        # Create SSH client
        ssh = paramiko.SSHClient()
        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
        start_time = 0
        end_time = 0

        try:
            # Connect to the remote server
            ssh.connect(
                server_config["server_address"],
                username=server_config["username"],
                password=server_config["password"],
            )

            # Create an SFTP client
            sftp = ssh.open_sftp()

            # Change to the remote directory
            sftp.chdir(server_config["remote_directory"])

            # Get a list of files in the directory
            files = sftp.listdir()

            required_file_name = ""
            required_tp = -1
            # Read the contents of each file
            for filename in files:
                remote_filepath = server_config["remote_directory"] + "/" + filename

                if "trigger_time_log" not in filename:
                    continue

                tp = filename.split("_")[0]

                if tp.isdigit():
                    tp = int(tp)
                    if required_tp < tp:
                        required_tp = tp
                        required_file_name = filename

            file_content = sftp.open(
                server_config["remote_directory"] + "/" + required_file_name
            ).read()
            file_content = file_content.decode()
            tps = file_content.split("\n")[0]
            start_time = tps.split(";")[0]
            end_time = tps.split(";")[1]

        finally:
            # Close the SFTP session and SSH connection
            sftp.close()
            ssh.close()

        return {"start_time": start_time, "end_time": end_time}

    @tool.get("/whether_is_abnormal_metric")
    def whether_is_abnormal_metric(
        start_time: int, end_time: int, metric_name: str = "cpu_usage"
    ):
        interval_time = 5
        metric_values = prometheus(
            "api/v1/query_range",
            {
                "query": prometheus_metrics[metric_name],
                "start": start_time - interval_time * 60,
                "end": end_time + interval_time * 60,
                "step": "3",
            },
        )
        # prometheus('api/v1/query_range', {'query': '100 - (avg(irate(node_cpu_seconds_total{instance=~"172.27.58.65:9100",mode="idle"}[1m])) * 100)', 'start': '1684412385', 'end': '1684413285', 'step': '3'})
        # print(" === metric_values", metric_values)

        if metric_values["data"]["result"] != []:
            metric_values = metric_values["data"]["result"][0]["values"]
        else:
            raise Exception("No metric values found for the given time range")

        # is_abnormal = detect_anomalies(np.array([float(value) for _, value in metric_values]))
        is_abnormal = True

        if is_abnormal:
            return "The metric is abnormal"
        else:
            return "The metric is normal"

    @tool.get("/cpu_diagnosis_agent")
    def cpu_diagnosis_agent(start_time: int, end_time: int):
        # live_tuples\n- dead_tuples\n- table_size

        cpu_metrics = prometheus_metrics["cpu_metrics"]
        cpu_metrics = cpu_metrics  # + find_abnormal_metrics(start_time, end_time, monitoring_metrics, 'cpu')

        print("==== cpu_metrics", cpu_metrics)

        detailed_cpu_metrics = obtain_values_of_metrics(
            start_time, end_time, cpu_metrics
        )

        docs_str = knowledge_matcher.match(detailed_cpu_metrics)

        prompt = """The CPU metric is abnormal. Then obtain the CPU relevant metric values from Prometheus: {}.

Next output the analysis of potential causes of the high CPU usage based on the CPU relevant metric values,

{}""".format(
            detailed_cpu_metrics, docs_str
        )

        print(prompt)

        # response = openai.Completion.create(
        # model="text-davinci-003",
        # prompt=prompt,
        # temperature=0,
        # max_tokens=1000,
        # top_p=1.0,
        # frequency_penalty=0.0,
        # presence_penalty=0.0,
        # stop=["#", ";"]
        # )
        # output_text = response.choices[0].text.strip()

        # Set up the OpenAI GPT-3 model
        # model_engine = "gpt-3.5-turbo"

        # prompt_response = openai.ChatCompletion.create(
        #     engine="gpt-3.5-turbo",
        #     messages=[
        #         {"role": "assistant", "content": "The table schema is as follows: " + str(schema)},
        #         {"role": "user", "content": str(prompt)}
        #         ]
        # )
        # output_text = prompt_response['choices'][0]['message']['content']

        llm = CustomLLM()
        output_analysis = llm(prompt)

        return {"diagnose": output_analysis, "knowledge": docs_str}

    @tool.get("/memory_diagnosis_agent")
    def memory_diagnosis_agent(start_time: int, end_time: int):
        memory_metrics = prometheus_metrics["memory_metrics"]

        memory_metrics = prometheus_metrics["memory_metrics"]
        memory_metrics = memory_metrics  # + find_abnormal_metrics(start_time, end_time, monitoring_metrics, 'memory')

        detailed_memory_metrics = obtain_values_of_metrics(
            start_time, end_time, memory_metrics
        )

        openai.api_key = os.environ["OPENAI_API_KEY"]

        db = Database(dbargs, timeout=-1)
        slow_queries = db.obtain_historical_slow_queries()

        slow_query_state = ""
        for i, query in enumerate(slow_queries):
            slow_query_state += str(i + 1) + ". " + str(query) + "\n"

        print(slow_query_state)

        # TODO: need a similarity match function to match the top-K examples
        # 1. get the categories of incoming metrics. Such as "The abnormal metrics include A, B, C, D"
        # 2. embedding the metrics
        # note: 这个metrics的embedding有可能预计算吗？如果metrics的种类（组合数）有限的话
        # 3. match the top-K examples(embedding)
        # note: 不用embedding如何有效的筛选出来与当前metrics最相关的example呢？可以枚举吗？比如如果我知道某一个example涉及到哪些metrics？
        #       该如何判断某一个metrics跟一段文本是相关的呢？能否用一个模型来判断一段文本涉及到哪些metrics呢？重新训练的话感觉需要很多样本才行
        #       能不能用关键词数量？

        docs_str = knowledge_matcher.match(detailed_memory_metrics)

        prompt = """The memory metric is abnormal. Then obtain the memory metric values from Prometheus: {}. The slow queries are:
        {}
        
Output the analysis of potential causes of the high memory usage based on the memory metric values and slow queries, e.g., 

{}

Note: include the important slow queries in the output.
""".format(
            detailed_memory_metrics, slow_query_state, docs_str
        )

        # print(prompt)

        # response = openai.Completion.create(
        # model="text-davinci-003",
        # prompt=prompt,
        # temperature=0,
        # max_tokens=1000,
        # top_p=1.0,
        # frequency_penalty=0.0,
        # presence_penalty=0.0,
        # stop=["#", ";"]
        # )
        # output_text = response.choices[0].text.strip()

        # Set up the OpenAI GPT-3 model
        # model_engine = "gpt-3.5-turbo"

        # prompt_response = openai.ChatCompletion.create(
        #     engine="gpt-3.5-turbo",
        #     messages=[
        #         {"role": "assistant", "content": "The table schema is as follows: " + str(schema)},
        #         {"role": "user", "content": str(prompt)}
        #         ]
        # )
        # output_text = prompt_response['choices'][0]['message']['content']

        llm = CustomLLM()
        output_analysis = llm(prompt)

        return {"diagnose": output_analysis, "knowledge": docs_str}

    return tool