"""Pydantic Models für das Verwaltungsportal."""
from pydantic import BaseModel, Field
from typing import Optional


class MagicLinkRequest(BaseModel):
    email: str = Field(min_length=3, max_length=200)


class MagicLinkResponse(BaseModel):
    message: str


class VerifyTokenRequest(BaseModel):
    token: str = Field(min_length=10, max_length=200)


class TokenResponse(BaseModel):
    access_token: str
    token_type: str = "bearer"
    username: str
    email: str = ""


class LicenseParams(BaseModel):
    """Stellwerte einer Lizenz ohne Org-Bezug.

    Wird zweifach genutzt, direkt beim Lizenz-Anlegen (LicenseCreate) und
    verschachtelt beim Org-Anlegen (OrgCreate.license). Die Laufzeitfelder
    (credits_used, credits_carried, credits_period_start, budget_warning_sent)
    verwaltet der Monitor, das Portal setzt nur Stellwerte.
    """
    license_type: str = Field(pattern="^(trial|annual|permanent)$")
    max_users: int = Field(default=5, ge=1, le=1000)
    duration_days: Optional[int] = Field(default=None, ge=1, le=3650)
    token_budget_usd: Optional[float] = None
    credits_total: Optional[int] = None
    cost_per_credit: Optional[float] = None
    budget_warning_percent: Optional[int] = Field(default=80, ge=0, le=100)  # 0 = Warnung aus
    unlimited_budget: bool = False
    # 'monthly' = Kontingent wird zum Monatswechsel neu gefuellt (der Monitor
    # setzt den Verbrauch traege zurueck), 'total' = gilt fuer die Laufzeit.
    credits_period: str = Field(default="monthly", pattern="^(monthly|total)$")
    # Uebertrag ungenutzter Credits in den Folgemonat, der Monitor deckelt
    # auf ein Monatskontingent. Standard AUS (Entscheidung Nutzer 25.07.2026),
    # pro Kunde bewusst zuschaltbar.
    credits_rollover: bool = False


class OrgCreate(BaseModel):
    name: str = Field(min_length=1, max_length=200)
    slug: str = Field(min_length=1, max_length=100, pattern="^[a-z0-9-]+$")
    output_language: str = Field(default="de", pattern="^(de|en)$")
    # Optional direkt eine Lizenz mit Credits-Kontingent anlegen
    license: Optional[LicenseParams] = None


class OrgUpdate(BaseModel):
    name: Optional[str] = Field(default=None, max_length=200)
    is_active: Optional[bool] = None
    output_language: Optional[str] = Field(default=None, pattern="^(de|en)$")


class OrgResponse(BaseModel):
    id: int
    name: str
    slug: str
    is_active: bool
    user_count: int = 0
    license_status: str = ""
    license_type: str = ""
    created_at: str
    globe_access: bool = False
    network_access: bool = False
    output_language: str = "de"


class LicenseCreate(LicenseParams):
    organization_id: int


class LicenseResponse(BaseModel):
    id: int
    organization_id: int
    license_type: str
    max_users: int
    valid_from: str
    valid_until: Optional[str]
    status: str
    notes: Optional[str]
    token_budget_usd: Optional[float] = None
    credits_total: Optional[int] = None
    credits_used: Optional[float] = None
    cost_per_credit: Optional[float] = None
    budget_warning_percent: Optional[int] = None
    unlimited_budget: bool = False
    # Neue Kontingent-Felder, alle optional mit Default, damit Responses auch
    # von einer noch nicht migrierten Datenbank validieren.
    credits_period: Optional[str] = "monthly"
    credits_rollover: Optional[bool] = False
    credits_carried: Optional[float] = 0
    credits_period_start: Optional[str] = None
    created_at: str
    globe_access: bool = False
    network_access: bool = False


class UserCreate(BaseModel):
    email: str = Field(min_length=3, max_length=200)
    username: Optional[str] = Field(default=None, max_length=100)
    role: str = Field(default="member", pattern="^(org_admin|member)$")


class UserResponse(BaseModel):
    id: int
    email: str
    username: str
    organization_id: int
    role: str
    is_active: bool
    last_login_at: Optional[str]
    created_at: str
    globe_access: bool = False
    network_access: bool = False