import uuid
from datetime import datetime
from typing import Dict, List, Tuple

from alibabacloud_rds20140815.client import Client as RDSClient
from alibabacloud_rds20140815.models import DescribeDBInstancesResponseBodyItemsDBInstance, DescribeDBInstancesRequest, DescribeDBInstanceAttributeRequest, \
    DescribeDBInstanceAttributeResponseBodyItemsDBInstanceAttribute
from alibabacloud_tea_openapi import models

from resource.enums.region import Region
from resource.enums.resource import Resource
from resource.monitor.basic_monitor import BasicMonitor
from resource.utils import *

instance_type_map = {
    "Primary": "主实例",
    "Readonly": "只读实例",
    "Guard": "灾备实例",
    "Temp": "临时实例"
}

status_map = {
    "Creating": "创建中",
    "Running": "使用中",
    "Deleting": "删除中",
    "Rebooting": "重启中",
    "Stopping": "暂停中",
    "Stopped": "已暂停",
    "DBInstanceClassChanging": "升降级中",
    "TRANSING": "迁移中",
    "EngineVersionUpgrading": "迁移版本中",
    "TransingToOthers": "迁移数据到其他RDS中",
    "GuardDBInstanceCreating": "生产灾备实例中",
    "Restoring": "备份恢复中",
    "Importing": "数据导入中",
    "ImportingFromOthers": "从其他RDS实例导入数据中",
    "DBInstanceNetTypeChanging": "内外网切换中",
    "GuardSwitching": "容灾切换中",
    "INS_CLONING": "实例克隆中",
    "Released": "已释放实例"
}

storage_type_map = {
    "local_ssd": "高性能本地盘",
    "ephemeral_ssd": "性能本地盘",
    "cloud_ssd": "SSD 云盘",
    "general_essd": "高性能云盘",
    "cloud_essd0": "ESSD PL0 云盘",
    "cloud_essd": "ESSD PL1 云盘",
    "cloud_essd2": "ESSD PL2 云盘",
    "cloud_essd3": "ESSD PL3 云盘"
}

pay_type_map = {
    "Postpaid": "按量付费",
    "Prepaid": "包年包月",
    "SERVERLESS": "Serverless"
}

category_map = {
    "Basic": "基础系列",
    "HighAvailability": "高可用系列",
    "cluster": "MySQL 集群系列",
    "AlwaysOn": "SQL Server 集群系列",
    "Finance": "三节点企业系列",
    "Serverless_basic": "Serverless 基础系列"
}


class MySQLMonitor(BasicMonitor):
    resource = Resource.MySQL

    def __init__(self):
        super().__init__()
        self.region_client_map: Dict[Region, RDSClient] = {}
        self.fei_shu_sheet_id = "R50CB5"

    def create_client(self, region: Region) -> RDSClient:
        config = models.Config(
            access_key_id=self.access_key_id,
            access_key_secret=self.access_key_secret,
            endpoint=region.rds_endpoint
        )
        return RDSClient(config)

    def get_rds_client(self, region: Region) -> RDSClient:
        if region in self.region_client_map:
            return self.region_client_map[region]

        client = self.create_client(region)
        self.region_client_map[region] = client
        return client

    def get_all_instance(self, region: Region) -> List[DescribeDBInstancesResponseBodyItemsDBInstance]:
        page_number = 0
        all_instances: List[DescribeDBInstancesResponseBodyItemsDBInstance] = []
        while True:
            next_token, instances = self.get_instances(region=region, page_number=page_number)
            if not instances:
                break
            all_instances.extend(instances)
            page_number += 1
        return all_instances

    def get_instances(self, region: Region, page_size: int = 100, page_number: int = 0, next_token: str = "") -> Tuple[str, List[DescribeDBInstancesResponseBodyItemsDBInstance]]:
        client = self.get_rds_client(region)
        request = DescribeDBInstancesRequest(
            client_token=self.gen_request_id(),
            page_size=page_size,
            page_number=page_number,
            region_id=region.region,
            instance_level=1,
        )
        response = client.describe_dbinstances(request)
        body = response.body
        return body.next_token, body.items.dbinstance

    def get_instance_detail(self, region: Region, instance_id: str) -> List[DescribeDBInstanceAttributeResponseBodyItemsDBInstanceAttribute]:
        client = self.get_rds_client(region)
        request = DescribeDBInstanceAttributeRequest(
            dbinstance_id=instance_id
        )
        response = client.describe_dbinstance_attribute(request)
        return response.body.items.dbinstance_attribute

    @staticmethod
    def gen_request_id():
        return str(uuid.uuid4()).replace("-", "")

    def run(self):
        region_list = [Region.HANG_ZHOU, Region.HONG_KONG, Region.US_WEST, Region.SOUTHEAST]
        for region in region_list:
            all_instances = self.get_all_instance(region=region)
            for instance in all_instances:
                dt = datetime.now().strftime('%Y-%m-%d')
                instance_id = instance.dbinstance_id
                instance_name = instance.dbinstance_description
                category = value_with_mapped_note(instance.category, category_map)
                memory = convert_storage_unit(instance.dbinstance_memory, "mb", "gb")
                cpu = instance.dbinstance_cpu
                status = value_with_mapped_note(instance.dbinstance_status, status_map)
                instance_type = value_with_mapped_note(instance.dbinstance_type, instance_type_map)
                engine = instance.engine
                engine_version = instance.engine_version
                zone_id = instance.zone_id

                attributes = self.get_instance_detail(region, instance_id)
                attribute = attributes[0]
                disk_used = convert_storage_unit(attribute.dbinstance_disk_used, "b", "gb")
                storage = attribute.dbinstance_storage
                storage_type = value_with_mapped_note(attribute.dbinstance_storage_type, storage_type_map)
                pay_type = value_with_mapped_note(attribute.pay_type, pay_type_map)

                values = [[dt, region.desc, zone_id, instance_id, instance_name, category, status, instance_type, pay_type, engine, engine_version, memory, cpu, disk_used, storage, storage_type]]
                start_col = "A2"
                end_col = calculate_excel_range_bottom_right_cell(start_col, values)
                self.fei_shu_service.spreadsheet_values_prepend(
                    self.fei_shu_tenant_access_token(),
                    self.fei_shu_spread_sheet_token,
                    f"{self.fei_shu_sheet_id}!{start_col}:{end_col}",
                    values
                )