from fastapi import APIRouter, Depends, Form, Request
from fastapi.responses import HTMLResponse, RedirectResponse
from sqlmodel import Session, select

from app.auth import require_user
from app.database import get_session
from app.models import Settings
from app.templates import templates

router = APIRouter(prefix="/settings")


@router.get("", response_class=HTMLResponse)
async def settings_page(request: Request, session: Session = Depends(get_session), user=Depends(require_user)):
    settings = session.exec(select(Settings)).first() or Settings()
    return templates.TemplateResponse("settings.html", {
        "request": request,
        "user": user,
        "settings": settings,
        "overlay_url": str(request.base_url) + "overlay",
    })


@router.post("", response_class=HTMLResponse)
async def save_settings(
    request: Request,
    twitch_channel: str = Form(...),
    gap_silence_threshold: int = Form(default=30),
    gap_scale_end: int = Form(default=120),
    gap_pitch_scale_end: int = Form(default=300),
    custom_css: str = Form(default=""),
    custom_js: str = Form(default=""),
    session: Session = Depends(get_session),
    user=Depends(require_user),
):
    settings = session.exec(select(Settings)).first()
    if not settings:
        settings = Settings()

    settings.twitch_channel = twitch_channel.strip().lstrip("#")
    settings.gap_silence_threshold = max(0, gap_silence_threshold)
    settings.gap_scale_end = max(settings.gap_silence_threshold + 1, gap_scale_end)
    settings.gap_pitch_scale_end = max(settings.gap_scale_end + 1, gap_pitch_scale_end)
    settings.custom_css = custom_css
    settings.custom_js = custom_js

    session.add(settings)
    session.commit()

    return templates.TemplateResponse("settings.html", {
        "request": request,
        "user": user,
        "settings": settings,
        "overlay_url": str(request.base_url) + "overlay",
        "saved": True,
    })


@router.post("/reconnect")
async def reconnect_eventsub(user=Depends(require_user)):
    from app.main import start_eventsub
    import asyncio
    asyncio.create_task(start_eventsub())
    return RedirectResponse(url="/settings", status_code=303)