"""IAM 子账号管理服务"""

import logging
from .volcengine_client import get_iam_client, get_resource_client, VolcengineAPIError

logger = logging.getLogger(__name__)


class IAMService:
    """封装火山引擎 IAM API 操作"""

    def __init__(self, ak: str, sk: str):
        self.client = get_iam_client(ak, sk)

    def list_users(self, limit=100, offset=0) -> dict:
        return self.client.call("ListUsers", {"Limit": str(limit), "Offset": str(offset)})

    def get_user(self, username: str) -> dict:
        return self.client.call("GetUser", {"UserName": username})

    def create_user(self, username: str, display_name: str = "", email: str = "",
                    phone: str = "") -> dict:
        params = {"UserName": username}
        if display_name:
            params["DisplayName"] = display_name
        if email:
            params["Email"] = email
        if phone:
            params["MobilePhone"] = phone
        return self.client.call("CreateUser", params)

    def create_login_profile(self, username: str, password: str,
                             login_allowed: bool = True, must_reset: bool = True) -> dict:
        return self.client.call("CreateLoginProfile", {
            "UserName": username,
            "Password": password,
            "LoginAllowed": str(login_allowed).lower(),
            "PasswordResetRequired": str(must_reset).lower(),
        })

    def update_login_allowed(self, username: str, allowed: bool) -> dict:
        return self.client.call("UpdateLoginProfile", {
            "UserName": username,
            "LoginAllowed": str(allowed).lower(),
        })

    def get_login_profile(self, username: str) -> dict:
        return self.client.call("GetLoginProfile", {"UserName": username})

    def list_access_keys(self, username: str) -> list:
        resp = self.client.call("ListAccessKeys", {"UserName": username})
        return resp.get("Result", {}).get("AccessKeyMetadata", [])

    def update_access_key(self, ak_id: str, status: str, username: str = "") -> dict:
        params = {"AccessKeyId": ak_id, "Status": status}
        if username:
            params["UserName"] = username
        return self.client.call("UpdateAccessKey", params)

    def create_access_key(self, username: str) -> dict:
        return self.client.call("CreateAccessKey", {"UserName": username})

    def attach_user_policy(self, username: str, policy_name: str,
                           policy_type: str = "System") -> dict:
        return self.client.call("AttachUserPolicy", {
            "UserName": username,
            "PolicyName": policy_name,
            "PolicyType": policy_type,
        })

    def detach_user_policy(self, username: str, policy_name: str,
                           policy_type: str = "System") -> dict:
        return self.client.call("DetachUserPolicy", {
            "UserName": username,
            "PolicyName": policy_name,
            "PolicyType": policy_type,
        })

    def list_attached_user_policies(self, username: str) -> dict:
        return self.client.call("ListAttachedUserPolicies", {"UserName": username})

    def attach_policy_in_project(self, username: str, policy_name: str,
                                  project_name: str, policy_type: str = "System") -> dict:
        """在项目范围内授权"""
        return self.client.call("AttachUserPolicy", {
            "UserName": username,
            "PolicyName": policy_name,
            "PolicyType": policy_type,
            "ProjectName": project_name,
        })

    def detach_policy_in_project(self, username: str, policy_name: str,
                                  project_name: str, policy_type: str = "System") -> dict:
        """在项目范围内回收权限"""
        return self.client.call("DetachUserPolicy", {
            "UserName": username,
            "PolicyName": policy_name,
            "PolicyType": policy_type,
            "ProjectName": project_name,
        })

    def disable_user(self, username: str):
        """完全停用用户：停控制台 + 停所有 AccessKey"""
        errors = []

        try:
            self.update_login_allowed(username, False)
        except VolcengineAPIError as e:
            errors.append(f"停用控制台失败: {e}")

        try:
            keys = self.list_access_keys(username)
            for key in keys:
                if key.get("Status") == "active":
                    self.update_access_key(key["AccessKeyId"], "inactive", username)
        except VolcengineAPIError as e:
            errors.append(f"停用密钥失败: {e}")

        if errors:
            raise VolcengineAPIError("DisableUser", "PartialFailure", "; ".join(errors))

    def enable_user(self, username: str):
        """恢复用户：恢复控制台 + 恢复所有 AccessKey"""
        errors = []

        try:
            self.update_login_allowed(username, True)
        except VolcengineAPIError as e:
            errors.append(f"恢复控制台失败: {e}")

        try:
            keys = self.list_access_keys(username)
            for key in keys:
                if key.get("Status") == "inactive":
                    self.update_access_key(key["AccessKeyId"], "active", username)
        except VolcengineAPIError as e:
            errors.append(f"恢复密钥失败: {e}")

        if errors:
            raise VolcengineAPIError("EnableUser", "PartialFailure", "; ".join(errors))


class ProjectService:
    """封装火山引擎项目管理 API"""

    def __init__(self, ak: str, sk: str):
        self.client = get_resource_client(ak, sk)

    def list_projects(self) -> list:
        """获取所有项目列表"""
        projects = []
        page = 1
        while True:
            resp = self.client.call("ListProjects", {
                "PageNumber": str(page),
                "PageSize": "50",
            })
            items = resp.get("Result", {}).get("Projects", [])
            if not items:
                break
            projects.extend(items)
            total = resp.get("Result", {}).get("Total", 0)
            if len(projects) >= total:
                break
            page += 1
        return projects