from datetime import datetime

from pydantic import BaseModel, EmailStr, Field

from app.models.enums import AdminRole, EventStatus, EventType, OrderStatus, TicketTypeStatus


class AdminLoginRequest(BaseModel):
    email: EmailStr
    password: str = Field(min_length=8, max_length=128)


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


class AdminUserPublic(BaseModel):
    id: int
    email: EmailStr
    role: AdminRole

    model_config = {"from_attributes": True}


class DashboardMetrics(BaseModel):
    total_revenue_paise: int
    tickets_sold: int
    tickets_remaining: int
    orders_total: int
    orders_paid: int
    orders_pending: int
    attendance: int
    upcoming_events: int


class EventStatsRow(BaseModel):
    event_id: int
    event_title: str
    starts_at: datetime
    tickets_sold: int
    tickets_remaining: int
    revenue_paise: int
    attendance: int


class VenueAdmin(BaseModel):
    id: int
    slug: str
    name: str
    area: str
    city: str
    address: str
    map_url: str | None = None
    description: str | None = None

    model_config = {"from_attributes": True}


class VenueCreate(BaseModel):
    slug: str = Field(min_length=2, max_length=120)
    name: str = Field(min_length=2, max_length=200)
    area: str = Field(min_length=2, max_length=120)
    city: str = Field(default="Bengaluru", max_length=80)
    address: str = Field(min_length=5, max_length=512)
    map_url: str | None = Field(default=None, max_length=512)
    description: str | None = None


class VenueUpdate(BaseModel):
    slug: str | None = Field(default=None, max_length=120)
    name: str | None = Field(default=None, max_length=200)
    area: str | None = Field(default=None, max_length=120)
    city: str | None = Field(default=None, max_length=80)
    address: str | None = Field(default=None, max_length=512)
    map_url: str | None = Field(default=None, max_length=512)
    description: str | None = None


class EventAdmin(BaseModel):
    id: int
    slug: str
    title: str
    category: EventType
    status: EventStatus
    venue_id: int
    description: str | None
    starts_at: datetime
    ends_at: datetime | None
    is_featured: bool
    cover_image_url: str | None
    cover_image_alt: str | None

    model_config = {"from_attributes": True}


class EventCreate(BaseModel):
    slug: str = Field(min_length=2, max_length=200)
    title: str = Field(min_length=2, max_length=240)
    category: EventType
    status: EventStatus = EventStatus.draft
    venue_id: int
    description: str | None = None
    starts_at: datetime
    ends_at: datetime | None = None
    is_featured: bool = False
    cover_image_url: str | None = None
    cover_image_alt: str | None = None


class EventUpdate(BaseModel):
    slug: str | None = Field(default=None, max_length=200)
    title: str | None = Field(default=None, max_length=240)
    category: EventType | None = None
    status: EventStatus | None = None
    venue_id: int | None = None
    description: str | None = None
    starts_at: datetime | None = None
    ends_at: datetime | None = None
    is_featured: bool | None = None
    cover_image_url: str | None = None
    cover_image_alt: str | None = None


class TicketTypeAdmin(BaseModel):
    id: int
    event_id: int
    name: str
    description: str | None
    price_paise: int
    quantity_total: int
    quantity_sold: int
    remaining: int
    status: TicketTypeStatus
    sort_order: int

    model_config = {"from_attributes": True}


class TicketTypeCreate(BaseModel):
    event_id: int
    name: str = Field(min_length=1, max_length=120)
    description: str | None = Field(default=None, max_length=512)
    price_paise: int = Field(ge=0)
    quantity_total: int = Field(ge=0)
    status: TicketTypeStatus = TicketTypeStatus.active
    sort_order: int = 0


class TicketTypeUpdate(BaseModel):
    name: str | None = Field(default=None, max_length=120)
    description: str | None = Field(default=None, max_length=512)
    price_paise: int | None = Field(default=None, ge=0)
    quantity_total: int | None = Field(default=None, ge=0)
    status: TicketTypeStatus | None = None
    sort_order: int | None = None


class OrderAdmin(BaseModel):
    id: int
    user_id: int
    event_id: int
    status: OrderStatus
    total_paise: int
    currency: str
    provider_order_id: str | None
    provider_payment_id: str | None
    paid_at: datetime | None
    created_at: datetime

    model_config = {"from_attributes": True}


class PaymentAdmin(BaseModel):
    order_id: int
    event_id: int
    status: OrderStatus
    total_paise: int
    provider_payment_id: str | None
    payment_reference: str | None
    paid_at: datetime | None