from pydantic import BaseModel
from typing import Optional, List
from datetime import datetime
from enum import Enum


class MediaStatus(str, Enum):
    PENDING = "pending"
    UPLOADING = "uploading"
    SUCCESS = "success"
    FAILED = "failed"


class MediaTagBase(BaseModel):
    tag_name: str
    tag_color: Optional[str] = "#3b82f6"
    sort_order: Optional[int] = 0


class MediaTagCreate(MediaTagBase):
    pass


class MediaTagUpdate(BaseModel):
    tag_name: Optional[str] = None
    tag_color: Optional[str] = None
    sort_order: Optional[int] = None


class MediaTagResponse(MediaTagBase):
    id: int
    company_code: str
    created_at: datetime
    updated_at: datetime
    
    class Config:
        from_attributes = True


class MediaTagMappingResponse(BaseModel):
    id: int
    media_id: str
    tag_id: int
    created_at: datetime
    
    class Config:
        from_attributes = True


class MediaBase(BaseModel):
    file_name: str
    r2_key: Optional[str] = ""
    r2_url: Optional[str] = ""
    thumbnail_r2_key: Optional[str] = ""
    thumbnail_r2_url: Optional[str] = ""
    media_type: Optional[str] = "image"
    mime_type: Optional[str] = ""
    file_size: Optional[int] = 0
    width: Optional[int] = None
    height: Optional[int] = None
    duration: Optional[float] = None
    directory_id: Optional[int] = None
    status: Optional[MediaStatus] = MediaStatus.PENDING
    error_message: Optional[str] = None
    batch_id: Optional[str] = None
    tags: Optional[List[int]] = []


class MediaCreate(MediaBase):
    pass


class MediaUpdate(BaseModel):
    file_name: Optional[str] = None
    directory_id: Optional[int] = None
    status: Optional[MediaStatus] = None
    error_message: Optional[str] = None
    tags: Optional[List[int]] = None


class MediaResponse(MediaBase):
    id: int
    media_id: str
    company_code: str
    created_at: datetime
    updated_at: datetime
    is_deleted: Optional[bool] = False
    deleted_at: Optional[datetime] = None
    
    class Config:
        from_attributes = True


class MediaBatchResponse(BaseModel):
    batch_id: str
    total: int
    successful: int
    failed: int
    results: List[dict]


class MediaBatchCreate(BaseModel):
    files: List[str]
    directory_id: Optional[int] = None


class MediaBatchDeleteRequest(BaseModel):
    media_ids: List[str]


class MediaBatchUpdateRequest(BaseModel):
    media_ids: List[str]
    directory_id: Optional[int] = None
    tags: Optional[List[int]] = None


class MediaBatchTagRequest(BaseModel):
    media_ids: List[str]
    tag_ids: List[int]


class MediaSearchRequest(BaseModel):
    keyword: Optional[str] = None
    media_type: Optional[str] = None
    directory_id: Optional[int] = None
    tag_ids: Optional[List[int]] = None
    start_date: Optional[str] = None
    end_date: Optional[str] = None
    min_size: Optional[int] = None
    max_size: Optional[int] = None
    status: Optional[MediaStatus] = None


class MediaDirectoryBase(BaseModel):
    name: str
    parent_id: Optional[int] = None
    path: Optional[str] = ""
    level: Optional[int] = 0
    sort_order: Optional[int] = 0
    cover_r2_key: Optional[str] = None
    cover_r2_url: Optional[str] = None
    description: Optional[str] = None
    is_public: Optional[bool] = False
    media_count: Optional[int] = 0
    total_size: Optional[int] = 0


class MediaDirectoryCreate(MediaDirectoryBase):
    pass


class MediaDirectoryUpdate(BaseModel):
    name: Optional[str] = None
    parent_id: Optional[int] = None
    sort_order: Optional[int] = None
    cover_r2_key: Optional[str] = None
    cover_r2_url: Optional[str] = None
    description: Optional[str] = None
    is_public: Optional[bool] = None


class MediaDirectoryResponse(MediaDirectoryBase):
    id: int
    company_code: str
    created_at: datetime
    updated_at: datetime
    
    class Config:
        from_attributes = True