from __future__ import annotations

from flask import Blueprint, abort, jsonify, redirect, render_template, request, url_for
from flask_login import current_user

from app.extensions import db
from app.models import AttendanceEvent, AttendanceType, Person, Role
from app.services.attendance import last_presence_summary, record_attendance
from app.services.security import roles_required

bp = Blueprint("attendance", __name__, url_prefix="/attendance")


@bp.get("/")
@roles_required(Role.ADMIN, Role.OPERATOR, Role.VIEWER)
def index():
    events = AttendanceEvent.query.order_by(AttendanceEvent.occurred_at.desc()).limit(250).all()
    return render_template("attendance/index.html", events=events)


@bp.get("/kiosk")
@roles_required(Role.ADMIN, Role.OPERATOR)
def kiosk():
    return render_template("attendance/kiosk.html")


@bp.post("/events")
@roles_required(Role.ADMIN, Role.OPERATOR)
def create_event():
    person_id = request.form.get("person_id", type=int)
    raw_event_type = request.form.get("event_type", "")
    confidence = request.form.get("confidence", type=float)

    person = db.session.get(Person, person_id) if person_id else None
    if not person or not person.active:
        abort(404)

    try:
        event_type = AttendanceType(raw_event_type)
    except ValueError:
        abort(400)

    event = record_attendance(
        person,
        event_type,
        created_by_id=current_user.id,
        confidence=confidence,
        source="web-kiosk",
    )

    if request.accept_mimetypes.accept_json:
        return jsonify(
            {
                "id": event.id,
                "event_type": event.type_label,
                "occurred_at": event.occurred_at.strftime("%Y-%m-%d %H:%M"),
                "summary": last_presence_summary(person),
            }
        )
    return redirect(url_for("attendance.index"))