from typing import Any, Dict, List, Optional, Union
from pydantic import BaseModel, Field
from datetime import datetime

# ============================================================
# Parameter Models
# ============================================================

class CaptureParameters(BaseModel):
    created_at: Optional[datetime] = None
    edited_at: Optional[datetime] = None

class GPSParameters(BaseModel):
    latitude: Optional[float] = None
    longitude: Optional[float] = None
    altitude: Optional[float] = None
    direction: Optional[float] = None
    speed: Optional[float] = None
    speed_unit: Optional[str] = None
    raw: Dict[str, Any] = Field(default_factory=dict)

class CameraParameters(BaseModel):
    make: Optional[str] = None
    model: Optional[str] = None
    software: Optional[str] = None
    lens_make: Optional[str] = None
    lens_model: Optional[str] = None
    focal_length_mm: Optional[float] = None
    focal_length_35mm: Optional[int] = None
    aperture: Optional[float] = None
    exposure_time: Optional[float] = None
    iso: Optional[int] = None
    flash: Optional[str] = None

class DeviceParameters(BaseModel):
    make: Optional[str] = None
    model: Optional[str] = None
    software: Optional[str] = None

class AiPromptParameters(BaseModel):
    prompt: Optional[str] = None
    negative_prompt: Optional[str] = None
    workflow: Optional[str] = None
    model: Optional[str] = None
    sampler: Optional[str] = None
    seed: Optional[int] = None
    cfg_scale: Optional[float] = None
    steps: Optional[int] = None
    raw_parameters: Optional[str] = None

class AiGenerationParameters(BaseModel):
    label: Optional[str] = None
    provider: Optional[str] = None
    digital_source_type: Optional[str] = None

class EditParameters(BaseModel):
    label: Optional[str] = None
    tool: Optional[str] = None
    provider: Optional[str] = None
    history: List[str] = Field(default_factory=list)
    software: Optional[str] = None

class DepthMapParameters(BaseModel):
    depth_present: bool = False
    width: Optional[int] = None
    height: Optional[int] = None
    confidence: float = 0.0

class DownloadParameters(BaseModel):
    source: Optional[str] = None
    original_filename: Optional[str] = None

class MakerNoteParameters(BaseModel):
    make: Optional[str] = None
    raw: Dict[str, Any] = Field(default_factory=dict)

# ============================================================
# Attribute Model
# ============================================================

class Attribute(BaseModel):
    type: str  # 'capture', 'gps', 'camera', 'device', 'ai_prompt', 'ai_generation', 'ai_edit', 'depth_map', 'download'
    weight: float
    is_ai: bool = False
    ai_confidence: float = 0.0
    comments: Optional[str] = None
    parameters: Union[
        CaptureParameters,
        GPSParameters,
        CameraParameters,
        DeviceParameters,
        AiPromptParameters,
        AiGenerationParameters,
        EditParameters,
        DepthMapParameters,
        DownloadParameters,
        MakerNoteParameters,
        Dict[str, Any]
    ]

# ============================================================
# Top Level Models
# ============================================================

class AnalysisResult(BaseModel):
    is_ai: bool
    ai_confidence: float
    real_confidence: float = 0.0
    edited_confidence: float = 0.0

class FileInfo(BaseModel):
    path: str
    mime_type: Optional[str]
    image_format: Optional[str]
    width: Optional[int]
    height: Optional[int]
    dpi: Optional[float] = None
    color_space: Optional[str] = None
    orientation: Optional[int] = None
    size_bytes: Optional[int] = None

class Attachments(BaseModel):
    depth_map: Optional[str] = None

class ProcessMetadata(BaseModel):
    started_at: Optional[datetime] = None
    completed_at: Optional[datetime] = None
    duration: Optional[float] = None

class ImageMetadataResult(BaseModel):
    analysis: AnalysisResult
    file: FileInfo
    attachments: Attachments
    attributes: List[Attribute] = Field(default_factory=list)
    metadata: ProcessMetadata
    raw: Optional[Dict[str, Any]] = None  # Optional raw data if needed