"""LED picture target — streams a picture source to an LED device."""

from dataclasses import dataclass, field
from datetime import datetime
from typing import Optional

from wled_controller.core.processor_manager import ProcessingSettings
from wled_controller.storage.picture_target import PictureTarget


@dataclass
class WledPictureTarget(PictureTarget):
    """LED picture target — streams a picture source to an LED device."""

    device_id: str = ""
    picture_source_id: str = ""
    settings: ProcessingSettings = field(default_factory=ProcessingSettings)

    def to_dict(self) -> dict:
        """Convert to dictionary."""
        d = super().to_dict()
        d["device_id"] = self.device_id
        d["picture_source_id"] = self.picture_source_id
        d["settings"] = {
            "display_index": self.settings.display_index,
            "fps": self.settings.fps,
            "brightness": self.settings.brightness,
            "gamma": self.settings.gamma,
            "saturation": self.settings.saturation,
            "smoothing": self.settings.smoothing,
            "interpolation_mode": self.settings.interpolation_mode,
            "standby_interval": self.settings.standby_interval,
            "state_check_interval": self.settings.state_check_interval,
        }
        return d

    @classmethod
    def from_dict(cls, data: dict) -> "WledPictureTarget":
        """Create from dictionary."""
        from wled_controller.core.processor_manager import DEFAULT_STATE_CHECK_INTERVAL

        settings_data = data.get("settings", {})
        settings = ProcessingSettings(
            display_index=settings_data.get("display_index", 0),
            fps=settings_data.get("fps", 30),
            brightness=settings_data.get("brightness", 1.0),
            gamma=settings_data.get("gamma", 2.2),
            saturation=settings_data.get("saturation", 1.0),
            smoothing=settings_data.get("smoothing", 0.3),
            interpolation_mode=settings_data.get("interpolation_mode", "average"),
            standby_interval=settings_data.get("standby_interval", 1.0),
            state_check_interval=settings_data.get("state_check_interval", DEFAULT_STATE_CHECK_INTERVAL),
        )

        return cls(
            id=data["id"],
            name=data["name"],
            target_type="led",
            device_id=data.get("device_id", ""),
            picture_source_id=data.get("picture_source_id", ""),
            settings=settings,
            description=data.get("description"),
            created_at=datetime.fromisoformat(data.get("created_at", datetime.utcnow().isoformat())),
            updated_at=datetime.fromisoformat(data.get("updated_at", datetime.utcnow().isoformat())),
        )