"""Pydantic schemas for AI UI Control commands and feedback."""

from __future__ import annotations

from enum import Enum
from typing import Any

from pydantic import BaseModel, Field


class UICommandType(str, Enum):
    """Supported UI command types."""
    navigate = "navigate"
    filter = "filter"
    open_contact = "open_contact"
    modal = "modal"
    tab = "tab"
    settings = "settings"


class UICommandStatus(str, Enum):
    """Status of a UI command execution."""
    pending = "pending"
    delivered = "delivered"
    success = "success"
    failed = "failed"
    timeout = "timeout"


class UICommand(BaseModel):
    """A UI command sent by an AI agent to control the frontend.

    Task 4.1: UI-Command-Protokoll
    JSON protocol for UI commands with action types:
    - navigate: {action: 'navigate', path: '/contacts/123'}
    - filter: {action: 'filter', entity: 'contacts', filter: {type: 'company'}}
    - open_contact: {action: 'open_contact', id: '...'}
    - modal: {action: 'modal', modal: 'edit', contactId: '...'}
    - tab: {action: 'tab', tab: 'emails', contactId: '...'}
    - settings: {action: 'settings', section: 'ai', key: 'model', value: 'gpt-4'}
    """
    command_id: str = Field(..., description="Unique command ID")
    action: UICommandType = Field(..., description="Command type")
    # navigate
    path: str | None = Field(None, description="Target path for navigate command")
    # filter
    entity: str | None = Field(None, description="Entity type for filter command")
    filter: dict[str, Any] | None = Field(None, description="Filter criteria")
    # open_contact
    contact_id: str | None = Field(None, description="Contact ID for open_contact command")
    # modal
    modal: str | None = Field(None, description="Modal type: 'edit', 'create', 'delete', 'close'")
    # tab
    tab: str | None = Field(None, description="Tab name: 'emails', 'files', 'calendar', etc.")
    # settings
    section: str | None = Field(None, description="Settings section")
    key: str | None = Field(None, description="Setting key")
    value: Any | None = Field(None, description="Setting value")
    # metadata
    timestamp: str | None = Field(None, description="Command timestamp ISO format")
    description: str | None = Field(None, description="Human-readable description of the command")


class UICommandCreate(BaseModel):
    """Request body for creating a UI command (sent by AI agent)."""
    action: UICommandType = Field(..., description="Command type")
    path: str | None = None
    entity: str | None = None
    filter: dict[str, Any] | None = None
    contact_id: str | None = None
    modal: str | None = None
    tab: str | None = None
    section: str | None = None
    key: str | None = None
    value: Any | None = None
    description: str | None = None


class UICommandFeedback(BaseModel):
    """Feedback from frontend after executing a command.

    Task 4.10: UI-Action-Feedback an KI
    Frontend sends confirmation back: {action: 'navigate', status: 'success', current_path: '/contacts/123'}
    """
    command_id: str = Field(..., description="ID of the command being acknowledged")
    status: UICommandStatus = Field(..., description="Execution status")
    action: UICommandType | None = None
    current_path: str | None = Field(None, description="Current URL path after command")
    current_tab: str | None = Field(None, description="Current active tab")
    message: str | None = Field(None, description="Optional message")
    error: str | None = Field(None, description="Error message if failed")
    data: dict[str, Any] | None = Field(None, description="Additional response data")


class UICommandResponse(BaseModel):
    """Response after creating a command."""
    command_id: str
    status: UICommandStatus
    action: UICommandType
    message: str | None = None


class UICommandStatusResponse(BaseModel):
    """Status response for polling command execution result."""
    command_id: str
    status: UICommandStatus
    action: UICommandType | None = None
    feedback: UICommandFeedback | None = None