from datetime import datetime
from typing import List, Optional

from sqlmodel import Field, Relationship, SQLModel


class User(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    twitch_id: str = Field(unique=True, index=True)
    twitch_login: str
    twitch_display_name: str
    broadcaster_id: str
    access_token: str
    refresh_token: str
    is_admin: bool = False
    created_at: datetime = Field(default_factory=datetime.utcnow)


class MediaFile(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    filename: str
    original_name: str
    file_type: str  # "audio" | "video"
    created_at: datetime = Field(default_factory=datetime.utcnow)

    actions: List["EventAction"] = Relationship(back_populates="media_file")


class EventAction(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    event_type: str          # "sub" | "gift_sub" | "bits" | "channel_points" | "command"
    event_detail: Optional[str] = None  # command name, reward ID, sub tier, bits minimum
    action_type: str         # "sound" | "video" | "alert"
    media_file_id: Optional[int] = Field(default=None, foreign_key="mediafile.id")
    alert_text: Optional[str] = None
    cooldown_seconds: int = 0
    enabled: bool = True
    created_at: datetime = Field(default_factory=datetime.utcnow)

    media_file: Optional["MediaFile"] = Relationship(back_populates="actions")


class ActivityLog(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    event_type: str
    username: Optional[str] = None
    detail: Optional[str] = None
    action_taken: Optional[str] = None
    triggered_at: datetime = Field(default_factory=datetime.utcnow)


class Settings(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    twitch_channel: str = ""
    gap_silence_threshold: int = 30
    gap_scale_end: int = 120
    gap_pitch_scale_end: int = 300
    custom_css: str = ""
    custom_js: str = ""


class OverlayLayout(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    # Chat widget — position/size as % of canvas
    chat_left: float = 72.0
    chat_top: float = 5.0
    chat_width: float = 27.0
    chat_height: float = 88.0
    chat_font_size: int = 14
    chat_bg_opacity: float = 0.55
    chat_text_color: str = "#ffffff"
    chat_max_messages: int = 20
    # Alert widget — position as % of canvas (centered via transform)
    alert_left: float = 50.0
    alert_top: float = 40.0
    alert_font_size: int = 24
    alert_bg_opacity: float = 0.8
    alert_text_color: str = "#ffffff"
    alert_duration: int = 4