"""admin/routers/settings.py — Author settings and account management.

Routes:
  POST /{slug}/password
  GET  /{slug}/widget-config
  PUT  /{slug}/widget-config
  GET  /{slug}/profile
  PUT  /{slug}/profile
  GET  /{slug}/personality
  PUT  /{slug}/personality
  GET  /{slug}/notifications
  PUT  /{slug}/notifications
  GET  /{slug}/embed-token
  GET  /{slug}/token-usage
"""

from fastapi import APIRouter, Depends
from sqlalchemy.ext.asyncio import AsyncSession

from app.dependencies import get_db, get_current_author_scoped
from app.schemas.admin import (
    NotificationUpdate,
    PasswordChangeRequest,
    PersonalityUpdate,
    ProfileUpdate,
    WidgetConfigUpdate,
)
from app.services.settings_service import SettingsService

router = APIRouter()


@router.post("/{author_slug}/password")
async def change_password(
    author_slug: str,
    body: PasswordChangeRequest,
    current_user=Depends(get_current_author_scoped),
    db: AsyncSession = Depends(get_db),
):
    """Self-service password change. R-010: Validates via Pydantic schema."""
    return await SettingsService(db).change_password(current_user, body)


@router.get("/{author_slug}/widget-config")
async def get_widget_config(
    author_slug: str,
    current_user=Depends(get_current_author_scoped),
):
    """Return current widget configuration."""
    return SettingsService.get_widget_config(current_user)


@router.put("/{author_slug}/widget-config")
async def update_widget_config(
    author_slug: str,
    body: WidgetConfigUpdate,
    current_user=Depends(get_current_author_scoped),
    db: AsyncSession = Depends(get_db),
):
    """Update widget configuration. R-029: Validated via Pydantic schema."""
    return await SettingsService(db).update_widget_config(current_user, body)


@router.get("/{author_slug}/profile")
async def get_profile(
    author_slug: str,
    current_user=Depends(get_current_author_scoped),
):
    """Return current author profile."""
    return SettingsService.get_profile(current_user)


@router.put("/{author_slug}/profile")
async def update_profile(
    author_slug: str,
    body: ProfileUpdate,
    current_user=Depends(get_current_author_scoped),
    db: AsyncSession = Depends(get_db),
):
    """Update author profile. R-029: Validated via Pydantic schema."""
    return await SettingsService(db).update_profile(current_user, body)


@router.get("/{author_slug}/personality")
async def get_personality(
    author_slug: str,
    current_user=Depends(get_current_author_scoped),
):
    """Return bot personality settings."""
    return SettingsService.get_personality(current_user)


@router.put("/{author_slug}/personality")
async def update_personality(
    author_slug: str,
    body: PersonalityUpdate,
    current_user=Depends(get_current_author_scoped),
    db: AsyncSession = Depends(get_db),
):
    """Update bot personality settings. R-029: Validated via Pydantic schema."""
    return await SettingsService(db).update_personality(current_user, body)


@router.get("/{author_slug}/notifications")
async def get_notifications(
    author_slug: str,
    current_user=Depends(get_current_author_scoped),
):
    """Return notification preferences."""
    return SettingsService.get_notifications(current_user)


@router.put("/{author_slug}/notifications")
async def update_notifications(
    author_slug: str,
    body: NotificationUpdate,
    current_user=Depends(get_current_author_scoped),
    db: AsyncSession = Depends(get_db),
):
    """Update notification preferences. R-029: Validated via Pydantic schema."""
    return await SettingsService(db).update_notifications(current_user, body)


@router.get("/{author_slug}/embed-token")
async def get_embed_token(
    author_slug: str,
    current_user=Depends(get_current_author_scoped),
    db: AsyncSession = Depends(get_db),
):
    """Return the active subscription token for embedding the widget."""
    return await SettingsService(db).get_embed_token(current_user)


@router.get("/{author_slug}/token-usage")
async def get_token_usage(
    author_slug: str,
    current_user=Depends(get_current_author_scoped),
    db: AsyncSession = Depends(get_db),
):
    """Return token budget and consumption for the active subscription."""
    return await SettingsService(db).get_token_usage(current_user.id)