"""Pydantic schemas for Epic model"""
from datetime import datetime
from typing import Any, Dict, List, Optional

from pydantic import BaseModel, ConfigDict, Field


class EpicCreateRequest(BaseModel):
    """Schema for creating a new epic"""

    model_config = ConfigDict(
        json_schema_extra={
            "example": {
                "name": "User Authentication",
                "description": "Implement login and registration",
                "content": [
                    {"type": "paragraph", "children": [{"text": "Details..."}]}
                ],
                "color": "#3b82f6",
                "pos": 1.0,
                "depth_limit": 5,
                "parent_epic_id": None,
                "completed_list_id": 5,
            }
        }
    )

    name: str = Field(..., min_length=1, max_length=200, description="Epic name")
    description: Optional[str] = Field(None, description="Epic description")
    content: Optional[Any] = Field(None, description="Rich text content")
    color: Optional[str] = Field(None, max_length=7, description="Hex color code")
    pos: Optional[float] = Field(None, description="Position for ordering")
    depth_limit: Optional[int] = Field(
        None, ge=1, le=10, description="Maximum depth for hierarchy"
    )
    parent_epic_id: Optional[int] = Field(
        None, description="Parent epic ID for nesting"
    )
    completed_list_id: Optional[int] = Field(
        None, description="List ID that marks cards as completed"
    )


class EpicResponse(BaseModel):
    """Schema for epic response"""

    model_config = ConfigDict(
        from_attributes=True,
        json_schema_extra={
            "example": {
                "id": 1,
                "name": "User Authentication",
                "description": "Implement login and registration",
                "content": [
                    {"type": "paragraph", "children": [{"text": "Details..."}]}
                ],
                "color": "#3b82f6",
                "closed": False,
                "pos": 1.0,
                "depth_limit": 5,
                "board_id": 1,
                "parent_epic_id": None,
                "metrics": {"card_count": 5, "progress": 60},
                "date_last_activity": "2024-01-15T10:30:00",
                "created_at": "2024-01-01T10:00:00",
                "updated_at": "2024-01-15T10:30:00",
            }
        },
    )

    id: int
    name: str
    description: Optional[str] = None
    content: Optional[Any] = None
    color: Optional[str] = None
    closed: bool
    pos: Optional[float] = None
    depth_limit: Optional[int] = None
    board_id: int
    parent_epic_id: Optional[int] = None
    completed_list_id: Optional[int] = None
    metrics: Optional[Dict[str, Any]] = None
    date_last_activity: Optional[datetime] = None
    created_at: Optional[datetime] = None
    updated_at: Optional[datetime] = None


class EpicUpdateRequest(BaseModel):
    """Schema for updating an epic"""

    model_config = ConfigDict(
        json_schema_extra={
            "example": {
                "name": "Updated Epic Name",
                "description": "Updated description",
                "content": [
                    {"type": "paragraph", "children": [{"text": "Updated..."}]}
                ],
                "color": "#ef4444",
                "closed": True,
                "pos": 2.0,
                "depth_limit": 3,
                "parent_epic_id": 2,
                "completed_list_id": 5,
            }
        }
    )

    name: Optional[str] = Field(None, min_length=1, max_length=200)
    description: Optional[str] = None
    content: Optional[Any] = None
    color: Optional[str] = Field(None, max_length=7)
    closed: Optional[bool] = None
    pos: Optional[float] = None
    depth_limit: Optional[int] = Field(None, ge=1, le=10)
    parent_epic_id: Optional[int] = None
    completed_list_id: Optional[int] = None


class EpicWithCardsResponse(BaseModel):
    """Schema for epic response with cards"""

    model_config = ConfigDict(from_attributes=True)

    id: int
    name: str
    description: Optional[str] = None
    content: Optional[Any] = None
    color: Optional[str] = None
    closed: bool
    pos: Optional[float] = None
    depth_limit: Optional[int] = None
    board_id: int
    parent_epic_id: Optional[int] = None
    metrics: Optional[Dict[str, Any]] = None
    date_last_activity: Optional[datetime] = None
    created_at: Optional[datetime] = None
    updated_at: Optional[datetime] = None
    cards: List[Dict[str, Any]] = Field(default_factory=list)