from pydantic import BaseModel, EmailStr
from typing import Optional, List
from datetime import datetime
from app.models.models import MembershipType, AccountStatus, KeyStatus


# ========== 账号相关 ==========

class AccountBase(BaseModel):
    email: str
    access_token: str
    refresh_token: Optional[str] = None
    workos_session_token: Optional[str] = None
    membership_type: MembershipType = MembershipType.PRO
    remark: Optional[str] = None

class AccountCreate(AccountBase):
    pass

class AccountUpdate(BaseModel):
    email: Optional[str] = None
    access_token: Optional[str] = None
    refresh_token: Optional[str] = None
    workos_session_token: Optional[str] = None
    membership_type: Optional[MembershipType] = None
    status: Optional[AccountStatus] = None
    remark: Optional[str] = None

class AccountResponse(AccountBase):
    id: int
    status: AccountStatus
    usage_count: int
    last_used_at: Optional[datetime] = None
    current_key_id: Optional[int] = None
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True

class AccountImport(BaseModel):
    """批量导入账号"""
    accounts: List[AccountCreate]


# ========== 外部系统批量上传 ==========

class ExternalAccountItem(BaseModel):
    """外部系统上传的账号项"""
    email: str
    access_token: str
    refresh_token: Optional[str] = None
    workos_session_token: Optional[str] = None
    membership_type: Optional[str] = "free"  # free/pro, 默认free(auto账号)
    remark: Optional[str] = None

class ExternalBatchUpload(BaseModel):
    """外部系统批量上传请求"""
    accounts: List[ExternalAccountItem]
    update_existing: bool = True  # 是否更新已存在的账号

class ExternalBatchResponse(BaseModel):
    """外部系统批量上传响应"""
    success: bool
    total: int
    created: int
    updated: int
    failed: int
    errors: List[str] = []


# ========== 激活码相关 ==========

class KeyBase(BaseModel):
    membership_type: MembershipType = MembershipType.PRO  # pro=高级模型, free=无限auto
    quota: int = 500  # 总额度 (仅Pro有效)
    valid_days: int = 30  # 有效天数，0表示永久 (仅Auto有效)
    max_devices: int = 2  # 最大设备数
    remark: Optional[str] = None

class KeyCreate(KeyBase):
    key: Optional[str] = None  # 不提供则自动生成
    count: int = 1  # 批量生成数量

class KeyUpdate(BaseModel):
    membership_type: Optional[MembershipType] = None
    quota: Optional[int] = None
    valid_days: Optional[int] = None
    max_devices: Optional[int] = None
    status: Optional[KeyStatus] = None
    remark: Optional[str] = None

class KeyAddQuota(BaseModel):
    """叠加额度（只加额度不加时间）"""
    add_quota: int

class KeyResponse(BaseModel):
    id: int
    key: str
    status: KeyStatus
    membership_type: MembershipType
    quota: int
    quota_used: int
    quota_remaining: Optional[int] = None  # 剩余额度（计算字段）
    valid_days: int
    first_activated_at: Optional[datetime] = None
    expire_at: Optional[datetime] = None
    max_devices: int
    switch_count: int
    last_switch_at: Optional[datetime] = None
    current_account_id: Optional[int] = None
    remark: Optional[str] = None
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True


# ========== 客户端 API 相关 ==========

class VerifyKeyRequest(BaseModel):
    key: str
    device_id: Optional[str] = None  # 设备标识

class VerifyKeyResponse(BaseModel):
    success: bool
    message: Optional[str] = None
    error: Optional[str] = None
    # 成功时返回
    email: Optional[str] = None
    accessToken: Optional[str] = None
    refreshToken: Optional[str] = None
    WorkosCursorSessionToken: Optional[str] = None
    membership_type: Optional[str] = None
    # 额度信息
    quota: Optional[int] = None  # 总额度
    quotaUsed: Optional[int] = None  # 已用额度
    quotaRemaining: Optional[int] = None  # 剩余额度
    quotaCost: Optional[int] = None  # 每次换号消耗
    expireDate: Optional[str] = None

class SwitchAccountRequest(BaseModel):
    key: str
    device_id: Optional[str] = None  # 设备标识

class SwitchAccountResponse(BaseModel):
    success: bool
    message: Optional[str] = None
    error: Optional[str] = None
    email: Optional[str] = None
    accessToken: Optional[str] = None
    refreshToken: Optional[str] = None
    WorkosCursorSessionToken: Optional[str] = None
    membership_type: Optional[str] = None
    # 额度信息
    quotaUsed: Optional[int] = None
    quotaRemaining: Optional[int] = None


# ========== 统计相关 ==========

class DashboardStats(BaseModel):
    total_accounts: int
    active_accounts: int
    pro_accounts: int
    total_keys: int
    active_keys: int
    today_usage: int


# ========== 认证相关 ==========

class Token(BaseModel):
    access_token: str
    token_type: str = "bearer"

class LoginRequest(BaseModel):
    username: str
    password: str


# ========== 全局设置相关 ==========

class GlobalSettingsResponse(BaseModel):
    """全局设置响应"""
    # Auto密钥设置
    auto_switch_interval_minutes: int = 20  # 换号最小间隔(分钟)
    auto_max_switches_per_day: int = 50     # 每天最大换号次数
    # Pro密钥设置
    pro_quota_cost: int = 50  # 每次换号扣除额度

class GlobalSettingsUpdate(BaseModel):
    """更新全局设置"""
    auto_switch_interval_minutes: Optional[int] = None
    auto_max_switches_per_day: Optional[int] = None
    pro_quota_cost: Optional[int] = None


# ========== 批量操作相关 ==========

class BatchExtendRequest(BaseModel):
    """批量延长请求"""
    key_ids: List[int]  # 激活码ID列表
    extend_days: int = 0  # 延长天数（Auto和Pro都可用）
    add_quota: int = 0    # 增加额度（仅Pro有效）

class BatchExtendResponse(BaseModel):
    """批量延长响应"""
    success: int
    failed: int
    errors: List[str] = []