"""Author RAG Chatbot SaaS — SuperAdmin Pydantic Schemas."""

from datetime import datetime
from typing import Literal

from pydantic import BaseModel, EmailStr, Field, field_validator


class CreateAuthorRequest(BaseModel):
    """Request body for SuperAdmin to create a new author account."""

    email: EmailStr
    password: str = Field(..., min_length=8, max_length=128)
    full_name: str = Field(..., min_length=1, max_length=255)
    plan: Literal["monthly", "quarterly", "semi_annual", "annual"] | None = None
    auto_renew: bool = False

    @field_validator("password")
    @classmethod
    def password_complexity(cls, v: str) -> str:
        if not any(c.isupper() for c in v):
            raise ValueError("Password must contain at least one uppercase letter")
        if not any(c.islower() for c in v):
            raise ValueError("Password must contain at least one lowercase letter")
        if not any(c.isdigit() for c in v):
            raise ValueError("Password must contain at least one digit")
        if not any(c in "!@#$%^&*()_+-=[]{}|;':\",./<>?" for c in v):
            raise ValueError("Password must contain at least one special character")
        return v


class GrantAccessRequest(BaseModel):
    """Request body for granting subscription access to an author."""

    plan: Literal["monthly", "quarterly", "semi_annual", "annual"]
    auto_renew: bool = False
    notes: str | None = Field(default=None, max_length=500)
    custom_token_budget: int | None = Field(default=None, ge=1)


class RevokeAccessRequest(BaseModel):
    """Request body for revoking access. Reason is mandatory."""

    reason: str = Field(..., min_length=5, max_length=500)


class AddBonusTokensRequest(BaseModel):
    """Request body for adding bonus tokens."""

    bonus_tokens: int = Field(..., ge=1000)


class ExtendSubscriptionRequest(BaseModel):
    """Request body for extending a subscription."""

    extend_days: int = Field(..., ge=1, le=365)


class AccessSummary(BaseModel):
    """Summary of a client's active access."""

    grant_id: str
    plan: str
    expires_at: datetime
    is_revoked: bool
    token_budget: int
    bonus_tokens: int

    model_config = {"from_attributes": True}


class ClientSummary(BaseModel):
    """Summary of an author client for the list view."""

    id: str
    email: str
    full_name: str | None
    website_url: str | None
    chatbot_is_active: bool
    created_at: datetime

    model_config = {"from_attributes": True}


class ClientListResponse(BaseModel):
    clients: list[ClientSummary]
    count: int


class ClientDetailResponse(BaseModel):
    user: ClientSummary
    access: AccessSummary | None


class AccessGrantResponse(BaseModel):
    """Response after granting access — includes the subscription token."""

    token: str  # The subscription token — send to author securely
    access: AccessSummary


class AuditEntry(BaseModel):
    id: str
    timestamp: datetime
    actor_email: str
    action: str
    target_type: str | None
    target_id: str | None
    details: str | None

    model_config = {"from_attributes": True}


class AuditLogListResponse(BaseModel):
    entries: list[AuditEntry]
    count: int


class PlatformApiCredentialUpsert(BaseModel):
    """SuperAdmin: upsert optional retailer API credential (R-180)."""

    platform_id: str = Field(min_length=1, max_length=50)
    provider: str = Field(min_length=1, max_length=50)
    api_key: str = Field(min_length=8, max_length=500)
    api_secret: str | None = Field(default=None, max_length=500)
    is_enabled: bool = True


class ProviderApiCredentialUpsert(BaseModel):
    """SuperAdmin: upsert shared provider API key (covers all linked platforms)."""

    provider_id: str = Field(min_length=1, max_length=50)
    api_key: str = Field(min_length=8, max_length=500)
    api_secret: str | None = Field(default=None, max_length=500)
    is_enabled: bool = True